---
OA_place: publisher
OA_type: gold
_id: '19840'
abstract:
- lang: eng
text: "We report the discovery of two new magnetic cataclysmic variables with brown
dwarf companions and long orbital periods (P_{\\rm orb}=95\\pm1 and 104\\pm2 min).
This discovery increases the sample of candidate magnetic period bouncers with
confirmed sub-stellar donors from four to six. We also find their X-ray luminosity
from archival XMM–Newton observations to be in the range L_{\\rm X}\\approx10^{28}-10^{29}
\\mathrm{erg\\,s^{-1}} in the 0.25–10 keV band. This low luminosity is comparable
with the other candidates, and at least an order of magnitude lower than the X-ray
luminosities typically measured in cataclysmic variables. The X-ray fluxes imply
mass transfer rates that are much lower than predicted by evolutionary models,
even if some of the discrepancy is due to the accretion energy being emitted in
other bands, such as via cyclotron emission at infrared wavelengths. Although
it is possible that some or all of these systems formed directly as binaries containing
a brown dwarf, it is likely that the donor used to be a low-mass star and that
the systems followed the evolutionary track for cataclysmic variables, evolving
past the period bounce. The donor in long period systems is expected to be a low-mass,
cold brown dwarf. This hypothesis is supported by near-infrared photometric observations
that constrain the donors in the two systems to be brown dwarfs cooler than \r\n1100 K
(spectral types T5 or later), most likely losing mass via Roche Lobe overflow
or winds. The serendipitous discovery of two magnetic period bouncers in the small
footprint of the XMM–Newton catalogue implies a large space density of these type
of systems, possibly compatible with the prediction of 40–70 per cent of magnetic
cataclysmic variables to be period bouncers."
acknowledgement: "We thank Matthias Schreiber for his insightful comments. Support
for this work was provided by NASA through the NASA Hubble Fellowship grant HST-HF2-51527.001-A
awarded by the Space Telescope Science Institute, which is operated by the Association
of Universities for Research in Astronomy, Inc., for NASA, under contract NAS5-26555.
Support for this work was provided by NASA through Chandra Award Number GO4-25014X
issued by the Chandra X-ray Center, which is operated by the Smithsonian Astrophysical
Observatory for and on behalf of NASA under contract NAS8-03060. IC was also supported
by NASA through grants from the Space Telescope Science Institute, under NASA contracts
NASA.22K1813, NAS5-26555, and NAS5-03127. This project has received funding from
the European Research Council (ERC) under the European Union’s Horizon 2020 research
and innovation programme (grant agreement no. 101020057). This research was supported
in part by grant NSF PHY-1748958 to the Kavli Institute for Theoretical Physics
(KITP). PJW acknowledges support from the UK Science and Technology Facilities Council
(STFC) through consolidated grants ST/T000406/1 and ST/X001121/1. RA was supported
by NASA through the NASA Hubble Fellowship grant #HST-HF2-51499.001-A awarded by
the Space Telescope Science Institute, which is operated by the Association of Universities
for Research in Astronomy, Incorporated, under NASA contract NAS5-26555.\r\n\r\nThis
research has made use of data obtained from the 4XMM XMM–Newton Serendipitous Source
Catalogue compiled by the 10 institutes of the XMM–Newton Survey Science Centre
selected by ESA. This work has made use of data from the European Space Agency (ESA)
mission Gaia (https://www.cosmos.esa.int/gaia), processed by the Gaia Data Processing
and Analysis Consortium (DPAC, https://www.cosmos.esa.int/web/gaia/dpac/consortium).
Funding for the DPAC has been provided by national institutions, in particular the
institutions participating in the Gaia Multilateral Agreement. The Pan-STARRS1 Surveys
(PS1) and the PS1 public science archive have been made possible through contributions
by the Institute for Astronomy, the University of Hawaii, the Pan-STARRS Project
Office, the Max-Planck Society and its participating institutes, the Max Planck
Institute for Astronomy, Heidelberg and the Max Planck Institute for Extraterrestrial
Physics, Garching, The Johns Hopkins University, Durham University, the University
of Edinburgh, the Queen’s University Belfast, the Harvard–Smithsonian Center for
Astrophysics, the Las Cumbres Observatory Global Telescope Network Incorporated,
the National Central University of Taiwan, the Space Telescope Science Institute,
the National Aeronautics and Space Administration under grant no. NNX08AR22G issued
through the Planetary Science Division of the NASA Science Mission Directorate,
the National Science Foundation grant no. AST–1238877, the University of Maryland,
Eotvos Lorand University (ELTE), the Los Alamos National Laboratory, and the Gordon
and Betty Moore Foundation. This work is based in part on data obtained as part
of the UKIDSS. This research made use of hips2fits,4 a service provided by CDS,
and of astropy (Astropy Collaboration 2013)."
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Tim
full_name: Cunningham, Tim
last_name: Cunningham
- first_name: Ilaria
full_name: Caiazzo, Ilaria
id: 8ae5b6e7-2a03-11ee-914d-b58ed7a3b47d
last_name: Caiazzo
orcid: 0000-0002-4770-5388
- first_name: Gracjan
full_name: Sienkiewicz, Gracjan
last_name: Sienkiewicz
- first_name: Peter J.
full_name: Wheatley, Peter J.
last_name: Wheatley
- first_name: Boris T.
full_name: Gänsicke, Boris T.
last_name: Gänsicke
- first_name: Kareem
full_name: El-Badry, Kareem
last_name: El-Badry
- first_name: Riccardo
full_name: Arcodia, Riccardo
last_name: Arcodia
- first_name: David
full_name: Charbonneau, David
last_name: Charbonneau
- first_name: Liam
full_name: Connor, Liam
last_name: Connor
- first_name: Kishalay
full_name: De, Kishalay
last_name: De
- first_name: Pasi
full_name: Hakala, Pasi
last_name: Hakala
- first_name: Scott J.
full_name: Kenyon, Scott J.
last_name: Kenyon
- first_name: Sumit Kumar
full_name: Maheshwari, Sumit Kumar
last_name: Maheshwari
- first_name: Antonio C.
full_name: Rodriguez, Antonio C.
last_name: Rodriguez
- first_name: Jan
full_name: Van Roestel, Jan
last_name: Van Roestel
- first_name: Pier Emmanuel
full_name: Tremblay, Pier Emmanuel
last_name: Tremblay
citation:
ama: Cunningham T, Caiazzo I, Sienkiewicz G, et al. Discovery of two new polars
evolved past the period bounce. Monthly Notices of the Royal Astronomical Society.
2025;540(1):633-649. doi:10.1093/mnras/staf561
apa: Cunningham, T., Caiazzo, I., Sienkiewicz, G., Wheatley, P. J., Gänsicke, B.
T., El-Badry, K., … Tremblay, P. E. (2025). Discovery of two new polars evolved
past the period bounce. Monthly Notices of the Royal Astronomical Society.
Oxford University Press. https://doi.org/10.1093/mnras/staf561
chicago: Cunningham, Tim, Ilaria Caiazzo, Gracjan Sienkiewicz, Peter J. Wheatley,
Boris T. Gänsicke, Kareem El-Badry, Riccardo Arcodia, et al. “Discovery of Two
New Polars Evolved Past the Period Bounce.” Monthly Notices of the Royal Astronomical
Society. Oxford University Press, 2025. https://doi.org/10.1093/mnras/staf561.
ieee: T. Cunningham et al., “Discovery of two new polars evolved past the
period bounce,” Monthly Notices of the Royal Astronomical Society, vol.
540, no. 1. Oxford University Press, pp. 633–649, 2025.
ista: Cunningham T, Caiazzo I, Sienkiewicz G, Wheatley PJ, Gänsicke BT, El-Badry
K, Arcodia R, Charbonneau D, Connor L, De K, Hakala P, Kenyon SJ, Maheshwari SK,
Rodriguez AC, Van Roestel J, Tremblay PE. 2025. Discovery of two new polars evolved
past the period bounce. Monthly Notices of the Royal Astronomical Society. 540(1),
633–649.
mla: Cunningham, Tim, et al. “Discovery of Two New Polars Evolved Past the Period
Bounce.” Monthly Notices of the Royal Astronomical Society, vol. 540, no.
1, Oxford University Press, 2025, pp. 633–49, doi:10.1093/mnras/staf561.
short: T. Cunningham, I. Caiazzo, G. Sienkiewicz, P.J. Wheatley, B.T. Gänsicke,
K. El-Badry, R. Arcodia, D. Charbonneau, L. Connor, K. De, P. Hakala, S.J. Kenyon,
S.K. Maheshwari, A.C. Rodriguez, J. Van Roestel, P.E. Tremblay, Monthly Notices
of the Royal Astronomical Society 540 (2025) 633–649.
date_created: 2025-06-15T22:01:29Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2025-09-30T12:50:33Z
day: '01'
ddc:
- '520'
department:
- _id: IlCa
doi: 10.1093/mnras/staf561
external_id:
arxiv:
- '2503.12675'
isi:
- '001493143700001'
file:
- access_level: open_access
checksum: 5e675d3696c222e919d6916bad194b01
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T07:28:36Z
date_updated: 2025-06-23T07:28:36Z
file_id: '19864'
file_name: 2025_MonthlyNoticesRAS_Cunningham.pdf
file_size: 3212636
relation: main_file
success: 1
file_date_updated: 2025-06-23T07:28:36Z
has_accepted_license: '1'
intvolume: ' 540'
isi: 1
issue: '1'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: 633-649
publication: Monthly Notices of the Royal Astronomical Society
publication_identifier:
eissn:
- 1365-2966
issn:
- 0035-8711
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Discovery of two new polars evolved past the period bounce
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 540
year: '2025'
...
---
OA_place: publisher
OA_type: diamond
_id: '19841'
abstract:
- lang: eng
text: "Context. The blue supergiant (BSG) domain contains a large variety of stars
whose past and future evolutionary paths are still highly uncertain. Since binary
interaction plays a crucial role in the fate of massive stars, investigating the
multiplicity among BSGs helps shed light on the fate of such objects.\r\nAims.
We aim to estimate the binary fraction of a large sample of BSGs in the Small
Magellanic Cloud (SMC) within the Binarity at LOw Metallicity (BLOeM) survey.
In total, we selected 262 targets with spectral types B0-B3 and luminosity classes
I-II.\r\n\r\nMethods. This work is based on spectroscopic data collected by the
FLAMES instrument, mounted on the Very Large Telescope, which gathered nine epochs
over three months. Our spectroscopic analysis for each target includes the individual
and peak-to-peak radial velocity measurements, an investigation of the line profile
variability, and a periodogram analysis to search for possible short- and long-period
binaries.\r\n\r\nResults. By applying a 20 km s−1 threshold on the peak-to-peak
radial velocities above which we would consider the star to be binary, the resulting
observed spectroscopic binary fraction for our BSG sample is 23 ± 3%. An independent
analysis of line profile variability reveals 11 (plus 5 candidates) double-lined
spectroscopic binaries and 32 (plus 41 candidates) single-lined spectroscopic
binaries. Based on these results, we estimated the overall observed binary fraction
in this sample to be 34 ± 3%, which is close to the computed intrinsic binary
fraction of 40 ± 4%. In addition, we derived reliable orbital periods for 41 spectroscopic
binaries and potential binary candidates, among which there are 17 eclipsing binaries,
including 20 SB1 and SB2 systems with periods of less than 10 days. We reported
a significant drop in the binary fraction of BSGs with spectral types later than
B2 and effective temperatures less than 18 kK, which could indicate the end of
the main sequence phase in this temperature regime. We found no metallicity dependence
in the binary fraction of BSGs, compared to existing spectroscopic surveys of
the Galaxy and Large Magellanic Cloud."
acknowledgement: 'We thank the anonymous referee for helpful comments that have improved
the manuscript. This project has received funding from the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation programme
(grant agreement 101164755/METAL) and was supported by the Israel Science Foundation
(ISF) under grant number 2434/24. NB acknowledges support from the Belgian federal
government grant for Ukrainian postdoctoral researchers (contract UF/2022/10). TS
acknowledges support by the Israel Science Foundation (ISF) under grant number 0603225041.
DP acknowledges financial support from the Deutsches Zentrum für Luft und Raumfahrt
(DLR) grant FKZ 50OR2005 and the FWO junior postdoctoral fellowship No. 1256225N.
DMB gratefully acknowledges UK Research and Innovation (UKRI) in the form of a Frontier
Research grant under the UK government’s ERC Horizon Europe funding guarantee (SYMPHONY;
PI Bowman; grant number: EP/Y031059/1), and a Royal Society University Research
Fellowship (PI Bowman; grant number: URF\R1\231631). KS is funded by the National
Science Center (NCN), Poland, under grant number OPUS 2021/41/B/ST9/00757. IM acknowledges
support from the Australian Research Council (ARC) Centre of Excellence for Gravitational
Wave Discovery (OzGav), through project number CE230100016. JIV acknowledges support
from the European Research Council through ERC Advanced Grant No. 101054731. SS-D,
and GH acknowledge support from the Spanish Ministry of Science and Innovation and
Universities (MICIU) through the Spanish State Research Agency (AEI) through grants
PID2021-122397NB-C21, and the Severo Ochoa Program 2020-2023 (CEX2019-000920-S).'
article_number: A40
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: N.
full_name: Britavskiy, N.
last_name: Britavskiy
- first_name: L.
full_name: Mahy, L.
last_name: Mahy
- first_name: D. J.
full_name: Lennon, D. J.
last_name: Lennon
- first_name: L. R.
full_name: Patrick, L. R.
last_name: Patrick
- first_name: H.
full_name: Sana, H.
last_name: Sana
- first_name: J. I.
full_name: Villaseñor, J. I.
last_name: Villaseñor
- first_name: T.
full_name: Shenar, T.
last_name: Shenar
- first_name: J.
full_name: Bodensteiner, J.
last_name: Bodensteiner
- first_name: M.
full_name: Bernini-Peron, M.
last_name: Bernini-Peron
- first_name: S. R.
full_name: Berlanas, S. R.
last_name: Berlanas
- first_name: D. M.
full_name: Bowman, D. M.
last_name: Bowman
- first_name: P. A.
full_name: Crowther, P. A.
last_name: Crowther
- first_name: S. E.
full_name: De Mink, S. E.
last_name: De Mink
- first_name: C. J.
full_name: Evans, C. J.
last_name: Evans
- first_name: Ylva Louise Linsdotter
full_name: Götberg, Ylva Louise Linsdotter
id: d0648d0c-0f64-11ee-a2e0-dd0faa2e4f7d
last_name: Götberg
orcid: 0000-0002-6960-6911
- first_name: G.
full_name: Holgado, G.
last_name: Holgado
- first_name: C.
full_name: Johnston, C.
last_name: Johnston
- first_name: Z.
full_name: Keszthelyi, Z.
last_name: Keszthelyi
- first_name: J.
full_name: Klencki, J.
last_name: Klencki
- first_name: N.
full_name: Langer, N.
last_name: Langer
- first_name: I.
full_name: Mandel, I.
last_name: Mandel
- first_name: A.
full_name: Menon, A.
last_name: Menon
- first_name: M.
full_name: Moe, M.
last_name: Moe
- first_name: L. M.
full_name: Oskinova, L. M.
last_name: Oskinova
- first_name: D.
full_name: Pauli, D.
last_name: Pauli
- first_name: M.
full_name: Pawlak, M.
last_name: Pawlak
- first_name: V.
full_name: Ramachandran, V.
last_name: Ramachandran
- first_name: M.
full_name: Renzo, M.
last_name: Renzo
- first_name: A. A.C.
full_name: Sander, A. A.C.
last_name: Sander
- first_name: F. R.N.
full_name: Schneider, F. R.N.
last_name: Schneider
- first_name: A.
full_name: Schootemeijer, A.
last_name: Schootemeijer
- first_name: K.
full_name: Sen, K.
last_name: Sen
- first_name: S.
full_name: Simón-Díaz, S.
last_name: Simón-Díaz
- first_name: J. T.
full_name: Van Loon, J. T.
last_name: Van Loon
- first_name: J. S.
full_name: Vink, J. S.
last_name: Vink
citation:
ama: 'Britavskiy N, Mahy L, Lennon DJ, et al. Binarity at LOw Metallicity (BLOeM):
Multiplicity of early B-type supergiants in the Small Magellanic Cloud. Astronomy
& Astrophysics. 2025;698. doi:10.1051/0004-6361/202452963'
apa: 'Britavskiy, N., Mahy, L., Lennon, D. J., Patrick, L. R., Sana, H., Villaseñor,
J. I., … Vink, J. S. (2025). Binarity at LOw Metallicity (BLOeM): Multiplicity
of early B-type supergiants in the Small Magellanic Cloud. Astronomy &
Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202452963'
chicago: 'Britavskiy, N., L. Mahy, D. J. Lennon, L. R. Patrick, H. Sana, J. I. Villaseñor,
T. Shenar, et al. “Binarity at LOw Metallicity (BLOeM): Multiplicity of Early
B-Type Supergiants in the Small Magellanic Cloud.” Astronomy & Astrophysics.
EDP Sciences, 2025. https://doi.org/10.1051/0004-6361/202452963.'
ieee: 'N. Britavskiy et al., “Binarity at LOw Metallicity (BLOeM): Multiplicity
of early B-type supergiants in the Small Magellanic Cloud,” Astronomy &
Astrophysics, vol. 698. EDP Sciences, 2025.'
ista: 'Britavskiy N, Mahy L, Lennon DJ, Patrick LR, Sana H, Villaseñor JI, Shenar
T, Bodensteiner J, Bernini-Peron M, Berlanas SR, Bowman DM, Crowther PA, De Mink
SE, Evans CJ, Götberg YLL, Holgado G, Johnston C, Keszthelyi Z, Klencki J, Langer
N, Mandel I, Menon A, Moe M, Oskinova LM, Pauli D, Pawlak M, Ramachandran V, Renzo
M, Sander AAC, Schneider FRN, Schootemeijer A, Sen K, Simón-Díaz S, Van Loon JT,
Vink JS. 2025. Binarity at LOw Metallicity (BLOeM): Multiplicity of early B-type
supergiants in the Small Magellanic Cloud. Astronomy & Astrophysics. 698,
A40.'
mla: 'Britavskiy, N., et al. “Binarity at LOw Metallicity (BLOeM): Multiplicity
of Early B-Type Supergiants in the Small Magellanic Cloud.” Astronomy &
Astrophysics, vol. 698, A40, EDP Sciences, 2025, doi:10.1051/0004-6361/202452963.'
short: N. Britavskiy, L. Mahy, D.J. Lennon, L.R. Patrick, H. Sana, J.I. Villaseñor,
T. Shenar, J. Bodensteiner, M. Bernini-Peron, S.R. Berlanas, D.M. Bowman, P.A.
Crowther, S.E. De Mink, C.J. Evans, Y.L.L. Götberg, G. Holgado, C. Johnston, Z.
Keszthelyi, J. Klencki, N. Langer, I. Mandel, A. Menon, M. Moe, L.M. Oskinova,
D. Pauli, M. Pawlak, V. Ramachandran, M. Renzo, A.A.C. Sander, F.R.N. Schneider,
A. Schootemeijer, K. Sen, S. Simón-Díaz, J.T. Van Loon, J.S. Vink, Astronomy &
Astrophysics 698 (2025).
date_created: 2025-06-15T22:01:29Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2026-02-16T12:09:34Z
day: '01'
ddc:
- '520'
department:
- _id: YlGo
doi: 10.1051/0004-6361/202452963
external_id:
arxiv:
- '2502.12239'
isi:
- '001497903100019'
file:
- access_level: open_access
checksum: 53a9f290cb1f468895e0d4446e0020f0
content_type: application/pdf
creator: dernst
date_created: 2025-06-25T08:38:02Z
date_updated: 2025-06-25T08:38:02Z
file_id: '19901'
file_name: 2025_AstronomyAstrophysics_Britavskiy.pdf
file_size: 7106568
relation: main_file
success: 1
file_date_updated: 2025-06-25T08:38:02Z
has_accepted_license: '1'
intvolume: ' 698'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
publication: Astronomy & Astrophysics
publication_identifier:
eissn:
- 1432-0746
issn:
- 0004-6361
publication_status: published
publisher: EDP Sciences
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Binarity at LOw Metallicity (BLOeM): Multiplicity of early B-type supergiants
in the Small Magellanic Cloud'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 698
year: '2025'
...
---
OA_place: publisher
OA_type: diamond
_id: '19842'
abstract:
- lang: eng
text: Given the uncertain evolutionary status of blue supergiant stars, their multiplicity
properties hold vital clues to better understand their origin and evolution. As
part of The Binarity at LOw Metallicity (BLOeM) campaign in the Small Magellanic
Cloud, we present a multi-epoch spectroscopic survey of 128 supergiant stars of
spectral type B5–F5, which roughly correspond to initial masses in the 6–30 M⊙
range. The observed binary fraction for the B5–9 supergiants is 25 ± 6% (10 ±
4%) and 5 ± 2% (0%) for the A–F stars, which were found using a radial-velocity
(RV) variability threshold of 5 km s−1 (10 km s−1) as a criterion for binarity.
Accounting for observational biases, we find an intrinsic multiplicity fraction
of less than 18% for the B5–9 stars and 8−7+9% for the AF stars, for the orbital
periods up to 103.5 days and mass ratios (q) in the 0.1 < q < 1 range. The large
stellar radii of these supergiant stars prevent short orbital periods, but we
demonstrate that this effect alone cannot explain our results. We assessed the
spectra and RV time series of the detected binary systems and find that only a
small fraction display convincing solutions. We conclude that the multiplicity
fractions are compromised by intrinsic stellar variability, such that the true
multiplicity fraction may be significantly smaller. Our main conclusions from
comparing the multiplicity properties of the B5–9- and AF-type supergiants to
that of their less evolved counterparts is that such stars cannot be explained
by a direct evolution from the main sequence. Furthermore, by comparing their
multiplicity properties to red supergiant stars, we conclude that the AF supergiant
stars are neither progenitors nor descendants of red supergiants.
acknowledgement: 'We thank Sipra Hota for kindly sharing the SMC UVIT catalogue prior
to publication. LRP, FN. and FT acknowledge support by grants PID2019-105552RB-C41
and PID2022-137779OB-C41 funded by MCIN/AEI/10.13039/501100011033 by “ERDF A way
of making Europe”. LRP acknowledges support from grant PID2022-140483NB-C22 funded
by MCIN/AEI/10.13039/501100011033. TS acknowledges support by the Israel Science
Foundation (ISF) under grant number 0603225041. The research leading to these results
has received funding from the European Research Council (ERC) under the European
Union’s Horizon 2020 research and innovation programme (grant agreement numbers
772225: MULTIPLES). DMB gratefully acknowledges support from UK Research and Innovation
(UKRI) in the form of a Frontier Research grant under the UK government’s ERC Horizon
Europe funding guarantee (SYMPHONY; grant number: EP/Y031059/1), and a Royal Society
University Research Fellowship (grant number: URF\R1\231631). GGT is supported by
the German Deutsche Forschungsgemeinschaft (DFG) under Project-ID 496854903 (SA4064/2-1,
PI Sander). AACS is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research
Foundation) in the form of an Emmy Noether Research Group – Project-ID 445674056
(SA4064/1-1, PI Sander). GGT and AACS further acknowledges support from the Federal
Ministry of Education and Research (BMBF) and the Baden-Württemberg Ministry of
Science as part of the Excellence Strategy of the German Federal and State Governments.
This paper benefited from discussions at the International Space Science Institute
(ISSI) in Bern through ISSI International Team project 512 (Multiwavelength View
on Massive Stars in the Era of Multimessenger Astronomy). DP acknowledges financial
support by the Deutsches Zentrum für Luft und Raumfahrt (DLR) grant FKZ 50OR2005.
JIV acknowledges support from the European Research Council for the ERC Advanced
Grant 101054731. PAC is supported by the Science and Technology Facilities Council
research grant ST/V000853/1 (PI. V. Dhillon). JSV is supported by Science and Technology
Facilities Council funding under grant number ST/V000233/1. DFR is thankful for
the support of the CAPES-Br and FAPERJ/DSC-10 (SEI-260003/001630/2023). This work
has received funding from the European Research Council (ERC) under the European
Union’s Horizon 2020 research and innovation programme (Grant agreement No. 945806)
and is supported by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)
under Germany’s Excellence Strategy EXC 2181/1-390900948 (the Heidelberg STRUCTURES
Excellence Cluster).'
article_number: A39
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: L. R.
full_name: Patrick, L. R.
last_name: Patrick
- first_name: D. J.
full_name: Lennon, D. J.
last_name: Lennon
- first_name: F.
full_name: Najarro, F.
last_name: Najarro
- first_name: T.
full_name: Shenar, T.
last_name: Shenar
- first_name: J.
full_name: Bodensteiner, J.
last_name: Bodensteiner
- first_name: H.
full_name: Sana, H.
last_name: Sana
- first_name: P. A.
full_name: Crowther, P. A.
last_name: Crowther
- first_name: N.
full_name: Britavskiy, N.
last_name: Britavskiy
- first_name: N.
full_name: Langer, N.
last_name: Langer
- first_name: A.
full_name: Schootemeijer, A.
last_name: Schootemeijer
- first_name: C. J.
full_name: Evans, C. J.
last_name: Evans
- first_name: L.
full_name: Mahy, L.
last_name: Mahy
- first_name: Ylva Louise Linsdotter
full_name: Götberg, Ylva Louise Linsdotter
id: d0648d0c-0f64-11ee-a2e0-dd0faa2e4f7d
last_name: Götberg
orcid: 0000-0002-6960-6911
- first_name: S. E.
full_name: De Mink, S. E.
last_name: De Mink
- first_name: F. R.N.
full_name: Schneider, F. R.N.
last_name: Schneider
- first_name: A. J.G.
full_name: O’Grady, A. J.G.
last_name: O’Grady
- first_name: J. I.
full_name: Villaseñor, J. I.
last_name: Villaseñor
- first_name: M.
full_name: Bernini-Peron, M.
last_name: Bernini-Peron
- first_name: D. M.
full_name: Bowman, D. M.
last_name: Bowman
- first_name: A.
full_name: De Koter, A.
last_name: De Koter
- first_name: K.
full_name: Deshmukh, K.
last_name: Deshmukh
- first_name: A.
full_name: Gilkis, A.
last_name: Gilkis
- first_name: G.
full_name: González-Torà, G.
last_name: González-Torà
- first_name: V. M.
full_name: Kalari, V. M.
last_name: Kalari
- first_name: Z.
full_name: K̃Eszthelyi, Z.
last_name: K̃Eszthelyi
- first_name: I.
full_name: Mandel, I.
last_name: Mandel
- first_name: A.
full_name: Menon, A.
last_name: Menon
- first_name: M.
full_name: Moe, M.
last_name: Moe
- first_name: L. M.
full_name: Oskinova, L. M.
last_name: Oskinova
- first_name: D.
full_name: Pauli, D.
last_name: Pauli
- first_name: M.
full_name: Renzo, M.
last_name: Renzo
- first_name: A. A.C.
full_name: Sander, A. A.C.
last_name: Sander
- first_name: K.
full_name: Sen, K.
last_name: Sen
- first_name: M.
full_name: Stoop, M.
last_name: Stoop
- first_name: J. T.
full_name: Van Loon, J. T.
last_name: Van Loon
- first_name: S.
full_name: Toonen, S.
last_name: Toonen
- first_name: F.
full_name: Tramper, F.
last_name: Tramper
- first_name: J. S.
full_name: Vink, J. S.
last_name: Vink
- first_name: C.
full_name: Wang, C.
last_name: Wang
citation:
ama: 'Patrick LR, Lennon DJ, Najarro F, et al. Binarity at LOw Metallicity (BLOeM):
The multiplicity properties and evolution of BAF-type supergiants. Astronomy
& Astrophysics. 2025;698. doi:10.1051/0004-6361/202452949'
apa: 'Patrick, L. R., Lennon, D. J., Najarro, F., Shenar, T., Bodensteiner, J.,
Sana, H., … Wang, C. (2025). Binarity at LOw Metallicity (BLOeM): The multiplicity
properties and evolution of BAF-type supergiants. Astronomy & Astrophysics.
EDP Sciences. https://doi.org/10.1051/0004-6361/202452949'
chicago: 'Patrick, L. R., D. J. Lennon, F. Najarro, T. Shenar, J. Bodensteiner,
H. Sana, P. A. Crowther, et al. “Binarity at LOw Metallicity (BLOeM): The Multiplicity
Properties and Evolution of BAF-Type Supergiants.” Astronomy & Astrophysics.
EDP Sciences, 2025. https://doi.org/10.1051/0004-6361/202452949.'
ieee: 'L. R. Patrick et al., “Binarity at LOw Metallicity (BLOeM): The multiplicity
properties and evolution of BAF-type supergiants,” Astronomy & Astrophysics,
vol. 698. EDP Sciences, 2025.'
ista: 'Patrick LR, Lennon DJ, Najarro F, Shenar T, Bodensteiner J, Sana H, Crowther
PA, Britavskiy N, Langer N, Schootemeijer A, Evans CJ, Mahy L, Götberg YLL, De
Mink SE, Schneider FRN, O’Grady AJG, Villaseñor JI, Bernini-Peron M, Bowman DM,
De Koter A, Deshmukh K, Gilkis A, González-Torà G, Kalari VM, K̃Eszthelyi Z, Mandel
I, Menon A, Moe M, Oskinova LM, Pauli D, Renzo M, Sander AAC, Sen K, Stoop M,
Van Loon JT, Toonen S, Tramper F, Vink JS, Wang C. 2025. Binarity at LOw Metallicity
(BLOeM): The multiplicity properties and evolution of BAF-type supergiants. Astronomy
& Astrophysics. 698, A39.'
mla: 'Patrick, L. R., et al. “Binarity at LOw Metallicity (BLOeM): The Multiplicity
Properties and Evolution of BAF-Type Supergiants.” Astronomy & Astrophysics,
vol. 698, A39, EDP Sciences, 2025, doi:10.1051/0004-6361/202452949.'
short: L.R. Patrick, D.J. Lennon, F. Najarro, T. Shenar, J. Bodensteiner, H. Sana,
P.A. Crowther, N. Britavskiy, N. Langer, A. Schootemeijer, C.J. Evans, L. Mahy,
Y.L.L. Götberg, S.E. De Mink, F.R.N. Schneider, A.J.G. O’Grady, J.I. Villaseñor,
M. Bernini-Peron, D.M. Bowman, A. De Koter, K. Deshmukh, A. Gilkis, G. González-Torà,
V.M. Kalari, Z. K̃Eszthelyi, I. Mandel, A. Menon, M. Moe, L.M. Oskinova, D. Pauli,
M. Renzo, A.A.C. Sander, K. Sen, M. Stoop, J.T. Van Loon, S. Toonen, F. Tramper,
J.S. Vink, C. Wang, Astronomy & Astrophysics 698 (2025).
date_created: 2025-06-15T22:01:29Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2026-02-16T12:09:50Z
day: '01'
ddc:
- '520'
department:
- _id: YlGo
doi: 10.1051/0004-6361/202452949
external_id:
arxiv:
- '2502.02644'
isi:
- '001497903100028'
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issn:
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publication_status: published
publisher: EDP Sciences
quality_controlled: '1'
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title: 'Binarity at LOw Metallicity (BLOeM): The multiplicity properties and evolution
of BAF-type supergiants'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
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abstract:
- lang: eng
text: "Context. The recently launched James Webb Space Telescope (JWST) is opening
new observing windows on the distant Universe. Among JWST’s instruments, the Mid
Infrared Instrument (MIRI) offers the unique capability of imaging observations
at wavelengths of λ > 5 μm. This enables unique access to the rest frame near-infrared
(NIR, λ ≥ 1 μm) emission from galaxies at redshifts of z > 4 and the visual (λ ≳ 5000
Å) rest frame for z > 9. We report here on the guaranteed time observations (GTO),
from the MIRI European Consortium, of the Hubble Ultra Deep Field (HUDF), forming
the MIRI Deep Imaging Survey (MIDIS), consisting of an on source integration time
of ∼41 hours in the MIRI/F560W (5.6 μm) filter. The F560W filter was selected
since it would produce the deepest data in terms of AB magnitudes in a given time.
To our knowledge, this constitutes the longest single filter exposure obtained
with JWST of an extragalactic field as of yet.\r\nAims. The HUDF is one of the
most observed extragalactic fields, with extensive multi-wavelength coverage,
where (before JWST) galaxies up to z ∼ 7 have been confirmed, and at z > 10 suggested,
from HST photometry. We aim to characterise the galaxy population in HUDF at 5.6
μm, enabling studies such as: the rest frame NIR morphologies for galaxies at
z ≲ 4.6, probing mature stellar populations and emission lines in z > 6 sources,
intrinsically red and dusty galaxies, and active galactic nuclei (AGNs) and their
host galaxies at intermediate redshifts.\r\n\r\nMethods. We reduced the MIRI data
using the official JWST pipeline, augmented by in-house custom scripts. We measured
the noise characteristics of the resulting image. Galaxy photometry was obtained,
and photometric redshifts were estimated for sources with available multi-wavelength
photometry (and compared to spectroscopic redshifts when available).\r\n\r\nResults.
Over the deepest part of our image, the 5σ point source limit is 28.65 mag AB
(12.6 nJy), ∼0.35 mag better than predicted by the JWST exposure time calculator.
We find ∼2500 sources, the overwhelming majority of which are distant galaxies,
but we note that spurious sources likely remain at faint magnitudes due to imperfect
cosmic ray rejection in the JWST pipeline. More than 500 galaxies with available
spectroscopic redshifts, up to z ≈ 11, have been identified, the majority of which
are at z < 6. More than 1000 galaxies have reliable photometric redshift estimates,
of which ∼25 are at 6 < z < 12. The point spread function in the F560W filter
has a full width at half maximum (FWHM) of ≈0.2″ (corresponding to 1.4 kpc at
z = 4), allowing the NIR rest frame morphologies and stellar mass distributions
to be resolved for z < 4.5. Moreover, > 100 objects with very red NIRCam vs MIRI
(3.6–5.6 μm > 1 mag) colours have been found, suggestive of dusty or old stellar
populations at high redshifts.\r\n\r\nConclusions. We conclude that MIDIS surpasses
preflight expectations and that deep MIRI imaging has great potential to characterise
the galaxy population from cosmic noon to dawn."
acknowledgement: 'We dedicate this paper to the memory of our deceased and much valued
MIRI-EC team members Hans Ulrik Nørgaard-Nielsen and Olivier Le Fèvre, both of whom
played a central role in defining the MIDIS project. This work is based on observations
made with the NASA/ESA/CSA James Webb Space Telescope. The work presented is the
effort of the entire MIRI team and the enthusiasm within the MIRI partnership is
a significant factor in its success. The following National and International Funding
Agencies funded and supported the MIRI development: NASA; ESA; Belgian Science Policy
Office (BELSPO); Centre Nationale d’Etudes Spatiales (CNES); Danish National Space
Centre; Deutsches Zentrum fur Luftund Raumfahrt (DLR); Enterprise Ireland; Ministerio
De Economia y Competividad; Netherlands Research School for Astronomy (NOVA); Netherlands
Organisation for Scientific Research (NWO); Science and Technology Facilities Council;
Swiss Space Office; Swedish National Space Agency (SNSA); and UK Space Agency. MIRI
drew on the scientific and technical expertise of the following organizations: Ames
Research Center, USA; Airbus Defence and Space, UK; CEAIrfu, Saclay, France; Centre
Spatial de Liège, Belgium; Consejo Superior de Investigaciones Cientficas, Spain;
Carl Zeiss Optronics, Germany; Chalmers University of Technology, Sweden; Danish
Space Research Institute, Denmark; Dublin Institute for Advanced Studies, Ireland;
European Space Agency, Netherlands; ETCA, Belgium; ETH Zurich, Switzerland; Goddard
Space Flight Center, USA; Institute d’Astrophysique Spatiale, France; Instituto
Nacional de Técnica Aeroespacial,Spain; Institute for Astronomy, Edinburgh, UK;
Jet Propulsion Laboratory, USA; Laboratoire d’Astrophysique de Marseille (LAM),
France; Leiden University, Netherlands; Lockheed Advanced Technology Center (USA);
NOVA Opt-IR group at Dwingeloo, Netherlands; Northrop Grumman, USA; Max Planck Institut
f ür Astronomie (MPIA), Heidelberg, Germany; Laboratoire d’Etudes Spatiales et d’Instrumentation
en Astrophysique (LESIA), France; Paul Scherrer Institut, Switzerland; Raytheon
Vision Systems, USA; RUAG Aerospace, Switzerland; Rutherford Appleton Laboratory
(RAL Space), UK; Space Telescope Science Institute, USA; Stockholm University, Sweden;
Toegepast- Natuurwetenschappelijk Onderzoek (TNOTPD), Netherlands; UK Astronomy
Technology Centre, UK; University College London, UK; University of Amsterdam, Netherlands;
University of Arizona, USA; University of Cardiff, UK; University of Cologne, Germany;
University of Ghent; University of Groningen, Netherlands; University of Leicester,
UK; University of Leuven, Belgium; Utah State University, USA. Additional acknowledgements
related to specific grants: G.Ö., J.M. and A.B. acknowledges funding from the Swedish
National Space Administration (SNSA). P.G.P.-G. acknowledges support from grant
PID2022-139567NB-I00 funded by Spanish Ministerio de Ciencia e Innovación MCIN/AEI/10.13039/501100011033,
FEDER Una manera de hacer Europa. This work was supported by research grants (VIL16599,VIL54489)
from VILLUM FONDEN. L.C. and J.A.-M. acknowledge support by grant PIB2021-127718NB-100
from the Spanish Ministry of Science and Innovation/State Agency of Research MCIN/AEI/10.13039/501100011033
and by “ERDF A way of making Europe”. M.A. acknowledges financial support from Comunidad
de Madrid under Atracción de Talento grant 2020-T2/TIC-19971. J.P.P. and T.V.T.
acknowledge financial support from the UK Science and Technology Facilities Council,
and the UK Space Agency. A.A.-H. acknowledges financial support from grant PID2021-124665NB-I00
funded by MCIN/AEI/10.13039/501100011033 and by “ERDF A way of making Europe”. E.I.
and K.I.C. acknowledge funding from the Netherlands Research School for Astronomy
(NOVA). K.I.C. acknowledges funding from the Dutch Research Council (NWO) through
the award of the Vici Grant VI.C.212.036. RAM acknowledges support from the Swiss
National Science Foundation (SNSF) through project grant 200020_207349. The paper
uses JWST data from programme #1283, obtained from the Barbara Mikulski Archive
for Space Telescopes at the Space Telescope Science Institute (STScI). For the purpose
of open access, the authors have applied a Creative Commons Attribution (CC BY)
licence to the Author Accepted Manuscript version arising from this submission.'
article_number: A57
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Göran
full_name: Östlin, Göran
last_name: Östlin
- first_name: Pablo G.
full_name: Pérez-González, Pablo G.
last_name: Pérez-González
- first_name: Jens
full_name: Melinder, Jens
last_name: Melinder
- first_name: Steven
full_name: Gillman, Steven
last_name: Gillman
- first_name: Edoardo
full_name: Iani, Edoardo
id: 4053390a-6b68-11ef-9828-a3b8adef8d0a
last_name: Iani
orcid: 0000-0001-8386-3546
- first_name: Luca
full_name: Costantin, Luca
last_name: Costantin
- first_name: Leindert A.
full_name: Boogaard, Leindert A.
last_name: Boogaard
- first_name: Pierluigi
full_name: Rinaldi, Pierluigi
last_name: Rinaldi
- first_name: Luis
full_name: Colina, Luis
last_name: Colina
- first_name: Hans Ulrik
full_name: Nørgaard-Nielsen, Hans Ulrik
last_name: Nørgaard-Nielsen
- first_name: Daniel
full_name: Dicken, Daniel
last_name: Dicken
- first_name: Thomas R.
full_name: Greve, Thomas R.
last_name: Greve
- first_name: Gillian
full_name: Wright, Gillian
last_name: Wright
- first_name: Almudena
full_name: Alonso-Herrero, Almudena
last_name: Alonso-Herrero
- first_name: Javier
full_name: Álvarez-Márquez, Javier
last_name: Álvarez-Márquez
- first_name: Marianna
full_name: Annunziatella, Marianna
last_name: Annunziatella
- first_name: Arjan
full_name: Bik, Arjan
last_name: Bik
- first_name: Sarah E.I.
full_name: Bosman, Sarah E.I.
last_name: Bosman
- first_name: Karina I.
full_name: Caputi, Karina I.
last_name: Caputi
- first_name: Alejandro Crespo
full_name: Gomez, Alejandro Crespo
last_name: Gomez
- first_name: Andreas
full_name: Eckart, Andreas
last_name: Eckart
- first_name: Macarena
full_name: Garcia-Marin, Macarena
last_name: Garcia-Marin
- first_name: Jens
full_name: Hjorth, Jens
last_name: Hjorth
- first_name: Olivier
full_name: Ilbert, Olivier
last_name: Ilbert
- first_name: Iris
full_name: Jermann, Iris
last_name: Jermann
- first_name: Sarah
full_name: Kendrew, Sarah
last_name: Kendrew
- first_name: Alvaro
full_name: Labiano, Alvaro
last_name: Labiano
- first_name: Danial
full_name: Langeroodi, Danial
last_name: Langeroodi
- first_name: Olivier
full_name: Le Fevre, Olivier
last_name: Le Fevre
- first_name: Mattia
full_name: Libralato, Mattia
last_name: Libralato
- first_name: Romain A.
full_name: Meyer, Romain A.
last_name: Meyer
- first_name: Thibaud
full_name: Moutard, Thibaud
last_name: Moutard
- first_name: Florian
full_name: Peissker, Florian
last_name: Peissker
- first_name: John P.
full_name: Pye, John P.
last_name: Pye
- first_name: Tuomo V.
full_name: Tikkanen, Tuomo V.
last_name: Tikkanen
- first_name: Martin
full_name: Topinka, Martin
last_name: Topinka
- first_name: Fabian
full_name: Walter, Fabian
last_name: Walter
- first_name: Martin
full_name: Ward, Martin
last_name: Ward
- first_name: Paul
full_name: Van Der Werf, Paul
last_name: Van Der Werf
- first_name: Ewine F.
full_name: Van Dishoeck, Ewine F.
last_name: Van Dishoeck
- first_name: Manuel
full_name: Güdel, Manuel
last_name: Güdel
- first_name: Thomas
full_name: Henning, Thomas
last_name: Henning
- first_name: Pierre Olivier
full_name: Lagage, Pierre Olivier
last_name: Lagage
- first_name: Tom P.
full_name: Ray, Tom P.
last_name: Ray
- first_name: Bart
full_name: Vandenbussche, Bart
last_name: Vandenbussche
citation:
ama: 'Östlin G, Pérez-González PG, Melinder J, et al. MIRI Deep Imaging Survey (MIDIS)
of the Hubble Ultra Deep Field: Survey description and early results for the galaxy
population detected at 5.6 µm. Astronomy & Astrophysics. 2025;696.
doi:10.1051/0004-6361/202451723'
apa: 'Östlin, G., Pérez-González, P. G., Melinder, J., Gillman, S., Iani, E., Costantin,
L., … Vandenbussche, B. (2025). MIRI Deep Imaging Survey (MIDIS) of the Hubble
Ultra Deep Field: Survey description and early results for the galaxy population
detected at 5.6 µm. Astronomy & Astrophysics. EDP Sciences. https://doi.org/10.1051/0004-6361/202451723'
chicago: 'Östlin, Göran, Pablo G. Pérez-González, Jens Melinder, Steven Gillman,
Edoardo Iani, Luca Costantin, Leindert A. Boogaard, et al. “MIRI Deep Imaging
Survey (MIDIS) of the Hubble Ultra Deep Field: Survey Description and Early Results
for the Galaxy Population Detected at 5.6 Μm.” Astronomy & Astrophysics.
EDP Sciences, 2025. https://doi.org/10.1051/0004-6361/202451723.'
ieee: 'G. Östlin et al., “MIRI Deep Imaging Survey (MIDIS) of the Hubble
Ultra Deep Field: Survey description and early results for the galaxy population
detected at 5.6 µm,” Astronomy & Astrophysics, vol. 696. EDP Sciences,
2025.'
ista: 'Östlin G, Pérez-González PG, Melinder J, Gillman S, Iani E, Costantin L,
Boogaard LA, Rinaldi P, Colina L, Nørgaard-Nielsen HU, Dicken D, Greve TR, Wright
G, Alonso-Herrero A, Álvarez-Márquez J, Annunziatella M, Bik A, Bosman SEI, Caputi
KI, Gomez AC, Eckart A, Garcia-Marin M, Hjorth J, Ilbert O, Jermann I, Kendrew
S, Labiano A, Langeroodi D, Le Fevre O, Libralato M, Meyer RA, Moutard T, Peissker
F, Pye JP, Tikkanen TV, Topinka M, Walter F, Ward M, Van Der Werf P, Van Dishoeck
EF, Güdel M, Henning T, Lagage PO, Ray TP, Vandenbussche B. 2025. MIRI Deep Imaging
Survey (MIDIS) of the Hubble Ultra Deep Field: Survey description and early results
for the galaxy population detected at 5.6 µm. Astronomy & Astrophysics. 696,
A57.'
mla: 'Östlin, Göran, et al. “MIRI Deep Imaging Survey (MIDIS) of the Hubble Ultra
Deep Field: Survey Description and Early Results for the Galaxy Population Detected
at 5.6 Μm.” Astronomy & Astrophysics, vol. 696, A57, EDP Sciences,
2025, doi:10.1051/0004-6361/202451723.'
short: G. Östlin, P.G. Pérez-González, J. Melinder, S. Gillman, E. Iani, L. Costantin,
L.A. Boogaard, P. Rinaldi, L. Colina, H.U. Nørgaard-Nielsen, D. Dicken, T.R. Greve,
G. Wright, A. Alonso-Herrero, J. Álvarez-Márquez, M. Annunziatella, A. Bik, S.E.I.
Bosman, K.I. Caputi, A.C. Gomez, A. Eckart, M. Garcia-Marin, J. Hjorth, O. Ilbert,
I. Jermann, S. Kendrew, A. Labiano, D. Langeroodi, O. Le Fevre, M. Libralato,
R.A. Meyer, T. Moutard, F. Peissker, J.P. Pye, T.V. Tikkanen, M. Topinka, F. Walter,
M. Ward, P. Van Der Werf, E.F. Van Dishoeck, M. Güdel, T. Henning, P.O. Lagage,
T.P. Ray, B. Vandenbussche, Astronomy & Astrophysics 696 (2025).
date_created: 2025-06-15T22:01:30Z
date_published: 2025-04-01T00:00:00Z
date_updated: 2026-02-16T12:10:36Z
day: '01'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.1051/0004-6361/202451723
external_id:
arxiv:
- '2411.19686 '
isi:
- '001459780300005'
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checksum: 67600eba8bda24987a130ac334f10456
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date_created: 2025-06-23T07:46:01Z
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title: 'MIRI Deep Imaging Survey (MIDIS) of the Hubble Ultra Deep Field: Survey description
and early results for the galaxy population detected at 5.6 µm'
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OA_type: gold
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abstract:
- lang: eng
text: The Ca2+-release-activated Ca2+ (CRAC) channel Orai1 is activated by interaction
with the Ca2+ sensor Stromal Interaction Molecule 1 (STIM1). Owing to the lack
of structurally resolved Orai1/STIM1 complexes, the impact of their coupling on
individual Orai1 transmembrane domain (TM) movements is unclear. This study investigates
STIM1-independent and STIM1-dependent Orai1-TM dynamics using photocrosslinking
unnatural amino acids (UAAs) at each individual TM position. We primarily identify
CRAC-channel-like currents directly after UAA incorporation or additional UV-light
irradiation at TM3 sites that interface with non-pore-lining TMs. Using UAAs combined
with conventional site-directed mutagenesis and molecular dynamics simulations,
we discover that pore opening involves a widening of interfaces formed by TM3
with non-pore-lining TMs. Orai1 mutants with a UAA in TM3 exhibit weaker STIM1-induced
activation after UV exposure, possibly caused by a restricted widening of non-pore-lining
TM interfaces. We demonstrate that photocrosslinking UAAs are excellent tools
for improving our understanding of key determinants and ion channel dynamics modulating
pore opening.
acknowledgement: We thank S. Buchegger for excellent technical assistance. This research
was funded by the Austrian Science Fund (FWF) projects https://doi.org/10.55776/P32851,
https://doi.org/10.55776/P35900, and https://doi.org/10.55776/P36202 to I.D. and
https://doi.org/10.55776/PAT6871323 to A.T. N.M. is funded within the DOC program
of the OeAW (Austrian Academy of Science). For open access purposes, the author
has applied a CC BY public copyright license to any author-accepted manuscript version
arising from this submission.
article_number: '102623'
article_processing_charge: Yes
article_type: original
author:
- first_name: Hadil
full_name: Najjar, Hadil
last_name: Najjar
- first_name: Sarah
full_name: Weiß, Sarah
last_name: Weiß
- first_name: Ferdinand
full_name: Horvath, Ferdinand
id: b0dc7f61-21a3-11ef-a9b4-e6ab1aa6f21e
last_name: Horvath
- first_name: Valentina
full_name: Hopl, Valentina
last_name: Hopl
- first_name: Adéla
full_name: Tiffner, Adéla
last_name: Tiffner
- first_name: Lorenz
full_name: Höbarth, Lorenz
last_name: Höbarth
- first_name: Julia
full_name: Söllner, Julia
last_name: Söllner
- first_name: Maximilian
full_name: Fröhlich, Maximilian
last_name: Fröhlich
- first_name: Magdalena
full_name: Prantl, Magdalena
last_name: Prantl
- first_name: Nora
full_name: Müller, Nora
last_name: Müller
- first_name: Yuliia
full_name: Nazarenko, Yuliia
last_name: Nazarenko
- first_name: Selina
full_name: Harant, Selina
last_name: Harant
- first_name: Lukas
full_name: Weissenböck, Lukas
last_name: Weissenböck
- first_name: Herwig
full_name: Grabmayr, Herwig
last_name: Grabmayr
- first_name: Matthias
full_name: Sallinger, Matthias
last_name: Sallinger
- first_name: Lena
full_name: Maltan, Lena
last_name: Maltan
- first_name: Linda V.
full_name: Echefu, Linda V.
last_name: Echefu
- first_name: Tamara
full_name: Radiskovic, Tamara
last_name: Radiskovic
- first_name: Melanie
full_name: Leopold, Melanie
last_name: Leopold
- first_name: Sonja
full_name: Lindinger, Sonja
last_name: Lindinger
- first_name: Christina
full_name: Humer, Christina
last_name: Humer
- first_name: Carmen
full_name: Höglinger, Carmen
last_name: Höglinger
- first_name: Heinrich
full_name: Krobath, Heinrich
last_name: Krobath
- first_name: Thomas
full_name: Renger, Thomas
last_name: Renger
- first_name: Isabella
full_name: Derler, Isabella
last_name: Derler
citation:
ama: Najjar H, Weiß S, Horvath F, et al. STIM1-induced widening of non-pore-lining
TM interfaces is crucial for Orai1 pore opening. Cell Reports Physical Science.
2025;6(6). doi:10.1016/j.xcrp.2025.102623
apa: Najjar, H., Weiß, S., Horvath, F., Hopl, V., Tiffner, A., Höbarth, L., … Derler,
I. (2025). STIM1-induced widening of non-pore-lining TM interfaces is crucial
for Orai1 pore opening. Cell Reports Physical Science. Elsevier. https://doi.org/10.1016/j.xcrp.2025.102623
chicago: Najjar, Hadil, Sarah Weiß, Ferdinand Horvath, Valentina Hopl, Adéla Tiffner,
Lorenz Höbarth, Julia Söllner, et al. “STIM1-Induced Widening of Non-Pore-Lining
TM Interfaces Is Crucial for Orai1 Pore Opening.” Cell Reports Physical Science.
Elsevier, 2025. https://doi.org/10.1016/j.xcrp.2025.102623.
ieee: H. Najjar et al., “STIM1-induced widening of non-pore-lining TM interfaces
is crucial for Orai1 pore opening,” Cell Reports Physical Science, vol.
6, no. 6. Elsevier, 2025.
ista: Najjar H, Weiß S, Horvath F, Hopl V, Tiffner A, Höbarth L, Söllner J, Fröhlich
M, Prantl M, Müller N, Nazarenko Y, Harant S, Weissenböck L, Grabmayr H, Sallinger
M, Maltan L, Echefu LV, Radiskovic T, Leopold M, Lindinger S, Humer C, Höglinger
C, Krobath H, Renger T, Derler I. 2025. STIM1-induced widening of non-pore-lining
TM interfaces is crucial for Orai1 pore opening. Cell Reports Physical Science.
6(6), 102623.
mla: Najjar, Hadil, et al. “STIM1-Induced Widening of Non-Pore-Lining TM Interfaces
Is Crucial for Orai1 Pore Opening.” Cell Reports Physical Science, vol.
6, no. 6, 102623, Elsevier, 2025, doi:10.1016/j.xcrp.2025.102623.
short: H. Najjar, S. Weiß, F. Horvath, V. Hopl, A. Tiffner, L. Höbarth, J. Söllner,
M. Fröhlich, M. Prantl, N. Müller, Y. Nazarenko, S. Harant, L. Weissenböck, H.
Grabmayr, M. Sallinger, L. Maltan, L.V. Echefu, T. Radiskovic, M. Leopold, S.
Lindinger, C. Humer, C. Höglinger, H. Krobath, T. Renger, I. Derler, Cell Reports
Physical Science 6 (2025).
date_created: 2025-06-15T22:01:31Z
date_published: 2025-06-18T00:00:00Z
date_updated: 2025-09-30T12:53:15Z
day: '18'
ddc:
- '570'
department:
- _id: AnSa
doi: 10.1016/j.xcrp.2025.102623
external_id:
isi:
- '001516570500009'
file:
- access_level: open_access
checksum: 37ff7c396f966d0ec363e4691d63d402
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T10:20:22Z
date_updated: 2025-06-23T10:20:22Z
file_id: '19868'
file_name: 2025_CellReportsPhysicalScience_Najjar.pdf
file_size: 9771117
relation: main_file
success: 1
file_date_updated: 2025-06-23T10:20:22Z
has_accepted_license: '1'
intvolume: ' 6'
isi: 1
issue: '6'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
publication: Cell Reports Physical Science
publication_identifier:
eissn:
- 2666-3864
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: STIM1-induced widening of non-pore-lining TM interfaces is crucial for Orai1
pore opening
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 6
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '19847'
abstract:
- lang: eng
text: Prussian blue (PB) and Prussian blue analogues (PBAs) are a class of porous
materials composed of transition metal cations, cyanide ligands, and alkali metal
cations. Their ability to intercalate and deintercalate ions within their framework
pores, coupled with the adaptability of their crystal structure to electrochemical
changes, underpins their success in battery applications. PBAs with Fe or Co as
the active site exhibit high redox potentials (vs SHE) and have been extensively
explored as cathode materials, with well-documented chemistry, crystal structures,
and electrochemical properties. In contrast, PBAs with Cr or Mn as the active
site display lower redox potentials and remain significantly underexplored as
anode materials. This gap has led to fewer reported compounds and a less comprehensive
understanding of their structural and electrochemical behavior, leaving the field
relatively opaque. In this perspective, we comprehensively analyze the challenges
involved in producing and employing PBAs with low redox potentials as active battery
materials. Conversely, we propose numerous horizons and ask fundamental questions
that should pave the way for future research to advance the field.
acknowledgement: All the authors acknowledge financial support by the MeBattery project.
MeBattery has received funding from the European Innovation Council of the European
Union under Grant Agreement No. 101046742. We acknowledge the valuable scientific
discussions with Christine Fiedler. M.P.-C. acknowledges that the project that gave
rise to these results received the support of a fellowship from the “la Caixa” Foundation
(ID 100010434) with code LCF/BQ/PI24/12040015. E.V. also acknowledges financial
support by the Spanish Ministry of Science and Innovation and NextGenerationEU (TED2021-131651B-C21)
and Ramón y Cajal award (Ministry of Science and Innovation and European Social
Funds, RYC2018-026086-I).
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Mario
full_name: Palacios Corella, Mario
id: 452e82c6-803f-11ed-ab7e-ca0439e73a5d
last_name: Palacios Corella
- first_name: Igor
full_name: Echevarría, Igor
id: a623795e-21fb-11ed-b8a1-a0f51308eed7
last_name: Echevarría
- first_name: Carla
full_name: Santana Santos, Carla
last_name: Santana Santos
- first_name: Wolfgang
full_name: Schuhmann, Wolfgang
last_name: Schuhmann
- first_name: Edgar
full_name: Ventosa, Edgar
last_name: Ventosa
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Palacios Corella M, Echevarría I, Santana Santos C, Schuhmann W, Ventosa E,
Ibáñez M. Prussian blue analogues as anode materials for battery applications:
Complexities and horizons. Chemistry of Materials. 2025;37(12):4203-4226.
doi:10.1021/acs.chemmater.5c00213'
apa: 'Palacios Corella, M., Echevarría, I., Santana Santos, C., Schuhmann, W., Ventosa,
E., & Ibáñez, M. (2025). Prussian blue analogues as anode materials for battery
applications: Complexities and horizons. Chemistry of Materials. American
Chemical Society. https://doi.org/10.1021/acs.chemmater.5c00213'
chicago: 'Palacios Corella, Mario, Igor Echevarría, Carla Santana Santos, Wolfgang
Schuhmann, Edgar Ventosa, and Maria Ibáñez. “Prussian Blue Analogues as Anode
Materials for Battery Applications: Complexities and Horizons.” Chemistry of
Materials. American Chemical Society, 2025. https://doi.org/10.1021/acs.chemmater.5c00213.'
ieee: 'M. Palacios Corella, I. Echevarría, C. Santana Santos, W. Schuhmann, E. Ventosa,
and M. Ibáñez, “Prussian blue analogues as anode materials for battery applications:
Complexities and horizons,” Chemistry of Materials, vol. 37, no. 12. American
Chemical Society, pp. 4203–4226, 2025.'
ista: 'Palacios Corella M, Echevarría I, Santana Santos C, Schuhmann W, Ventosa
E, Ibáñez M. 2025. Prussian blue analogues as anode materials for battery applications:
Complexities and horizons. Chemistry of Materials. 37(12), 4203–4226.'
mla: 'Palacios Corella, Mario, et al. “Prussian Blue Analogues as Anode Materials
for Battery Applications: Complexities and Horizons.” Chemistry of Materials,
vol. 37, no. 12, American Chemical Society, 2025, pp. 4203–26, doi:10.1021/acs.chemmater.5c00213.'
short: M. Palacios Corella, I. Echevarría, C. Santana Santos, W. Schuhmann, E. Ventosa,
M. Ibáñez, Chemistry of Materials 37 (2025) 4203–4226.
corr_author: '1'
date_created: 2025-06-15T22:01:31Z
date_published: 2025-06-03T00:00:00Z
date_updated: 2025-12-30T08:41:57Z
day: '03'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acs.chemmater.5c00213
external_id:
isi:
- '001501830600001'
file:
- access_level: open_access
checksum: 902c52a2f52a028436e0acd8a5a4beac
content_type: application/pdf
creator: dernst
date_created: 2025-12-30T08:40:55Z
date_updated: 2025-12-30T08:40:55Z
file_id: '20897'
file_name: 2025_ChemistryMaterials_PalaciosCorella.pdf
file_size: 8760757
relation: main_file
success: 1
file_date_updated: 2025-12-30T08:40:55Z
has_accepted_license: '1'
intvolume: ' 37'
isi: 1
issue: '12'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: 4203-4226
project:
- _id: eb9fa02e-77a9-11ec-83b8-ab1143e5a30f
grant_number: '101046742'
name: MEDIATED BIPHASIC BATTERY
publication: Chemistry of Materials
publication_identifier:
eissn:
- 1520-5002
issn:
- 0897-4756
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Prussian blue analogues as anode materials for battery applications: Complexities
and horizons'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 37
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19848'
abstract:
- lang: eng
text: 'Binding precedents (súmulas vinculantes) constitute a juridical instrument
unique to the Brazilian legal system and whose objectives include the protection
of the Federal Supreme Court against repetitive demands. Studies of the effectiveness
of these instruments in decreasing the Court’s exposure to similar cases, however,
indicate that they tend to fail in such a direction, with some of the binding
precedents seemingly creating new demands. We empirically assess the legal impact
of five binding precedents, 11, 14, 17, 26, and 37, at the highest Court level
through their effects on the legal subjects they address. This analysis is only
possible through the comparison of the Court’s ruling about the precedents’ themes
before they are created, which means that these decisions should be detected through
techniques of Similar Case Retrieval, which we tackle from the angle of Case Classification.
The contributions of this article are therefore twofold: on the mathematical side,
we compare the use of different methods of Natural Language Processing — TF-IDF,
LSTM, Longformer, and regex — for Case Classification, whereas on the legal side,
we contrast the inefficiency of these binding precedents with a set of hypotheses
that may justify their repeated usage. We observe that the TF-IDF models performed
slightly better than LSTM and Longformer when compared through common metrics;
however, the deep learning models were able to detect certain important legal
events that TF-IDF missed. On the legal side, we argue that the reasons for binding
precedents to fail in responding to repetitive demand are heterogeneous and case-dependent,
making it impossible to single out a specific cause. We identify five main hypotheses,
which are found in different combinations in each of the precedents studied.'
acknowledgement: Open access funding provided by Institute of Science and Technology
(IST Austria).
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Raphaël
full_name: Tinarrage, Raphaël
id: 40ebcc9d-905f-11ef-bf0a-dc475da8a04e
last_name: Tinarrage
orcid: 0000-0002-1404-1095
- first_name: Henrique
full_name: Ennes, Henrique
last_name: Ennes
- first_name: Lucas
full_name: Resck, Lucas
last_name: Resck
- first_name: Lucas T.
full_name: Gomes, Lucas T.
last_name: Gomes
- first_name: Jean R.
full_name: Ponciano, Jean R.
last_name: Ponciano
- first_name: Jorge
full_name: Poco, Jorge
last_name: Poco
citation:
ama: Tinarrage R, Ennes H, Resck L, Gomes LT, Ponciano JR, Poco J. Empirical analysis
of binding precedent efficiency in Brazilian Supreme Court via case classification.
Artificial Intelligence and Law. 2025. doi:10.1007/s10506-025-09458-6
apa: Tinarrage, R., Ennes, H., Resck, L., Gomes, L. T., Ponciano, J. R., & Poco,
J. (2025). Empirical analysis of binding precedent efficiency in Brazilian Supreme
Court via case classification. Artificial Intelligence and Law. Springer
Nature. https://doi.org/10.1007/s10506-025-09458-6
chicago: Tinarrage, Raphaël, Henrique Ennes, Lucas Resck, Lucas T. Gomes, Jean R.
Ponciano, and Jorge Poco. “Empirical Analysis of Binding Precedent Efficiency
in Brazilian Supreme Court via Case Classification.” Artificial Intelligence
and Law. Springer Nature, 2025. https://doi.org/10.1007/s10506-025-09458-6.
ieee: R. Tinarrage, H. Ennes, L. Resck, L. T. Gomes, J. R. Ponciano, and J. Poco,
“Empirical analysis of binding precedent efficiency in Brazilian Supreme Court
via case classification,” Artificial Intelligence and Law. Springer Nature,
2025.
ista: Tinarrage R, Ennes H, Resck L, Gomes LT, Ponciano JR, Poco J. 2025. Empirical
analysis of binding precedent efficiency in Brazilian Supreme Court via case classification.
Artificial Intelligence and Law.
mla: Tinarrage, Raphaël, et al. “Empirical Analysis of Binding Precedent Efficiency
in Brazilian Supreme Court via Case Classification.” Artificial Intelligence
and Law, Springer Nature, 2025, doi:10.1007/s10506-025-09458-6.
short: R. Tinarrage, H. Ennes, L. Resck, L.T. Gomes, J.R. Ponciano, J. Poco, Artificial
Intelligence and Law (2025).
corr_author: '1'
date_created: 2025-06-15T22:01:31Z
date_published: 2025-05-26T00:00:00Z
date_updated: 2025-09-30T12:52:15Z
day: '26'
department:
- _id: UlWa
doi: 10.1007/s10506-025-09458-6
external_id:
arxiv:
- '2407.07004'
isi:
- '001494836700001'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1007/s10506-025-09458-6
month: '05'
oa: 1
oa_version: Published Version
publication: Artificial Intelligence and Law
publication_identifier:
eissn:
- 1572-8382
issn:
- 0924-8463
publication_status: epub_ahead
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Empirical analysis of binding precedent efficiency in Brazilian Supreme Court
via case classification
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19852'
abstract:
- lang: eng
text: "Technology involving hybrid superconductor–semiconductor materials is a promising
avenue for engineering quantum devices for information storage, manipulation,
and transmission. Proximity-induced superconducting correlations are an essential
part of such devices. While the proximity effect in the conduction band of common
semiconductors is well understood, its manifestation in confined hole gases, realized
for instance in germanium, is an active area of research. Lower-dimensional hole-based
systems, particularly in germanium, are emerging as an attractive platform for
a variety of solid-state quantum devices, due to their combination of efficient
spin and charge control and long coherence times. The recent experimental realization
of the proximity effect in germanium thus calls for a theoretical description
that is tailored to hole gases. In this work, we propose a simple model to describe
proximity-induced superconductivity in two-dimensional hole gases, incorporating
both the heavy-hole (HH) and light-hole (LH) bands. We start from the Luttinger–Kohn
model, introduce three parameters that characterize hopping across the superconductor–semiconductor
interface, and derive explicit intraband and interband effective pairing terms
for the HH and LH bands. Unlike previous approaches, our theory provides a quantitative
relationship between induced pairings and interface properties. Restricting our
general model to an experimentally relevant case where only the HH band crosses
the chemical potential, we predict the coexistence of \U0001D460-wave and \U0001D451-wave
singlet pairings, along with triplet-type pairings, and modified Zeeman and Rashba
spin–orbit couplings. Our results thus present a starting point for theoretical
modeling of quantum devices based on proximitized hole gases, fueling further
progress in quantum technology."
acknowledgement: We acknowledge useful discussions with Georgios Katsaros, Andrew
Higginbotham, and Oliver Schwarze. This research was funded in part by the Austrian
Science Fund (FWF) F 86, the European Research Council (Grant Agreement No. 856526),
and by the DFG Collaborative Research Center (CRC) 183 Project No. 277101999.
article_number: '214518'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Serafim
full_name: Babkin, Serafim
id: e63d75c3-72ef-11ef-b75a-e303e149911f
last_name: Babkin
- first_name: Benjamin
full_name: Joecker, Benjamin
last_name: Joecker
- first_name: Karsten
full_name: Flensberg, Karsten
last_name: Flensberg
- first_name: Maksym
full_name: Serbyn, Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
- first_name: Jeroen
full_name: Danon, Jeroen
last_name: Danon
citation:
ama: Babkin S, Joecker B, Flensberg K, Serbyn M, Danon J. Superconducting proximity
effect in two-dimensional hole gases. Physical Review B. 2025;111(21).
doi:10.1103/k4jh-pnxy
apa: Babkin, S., Joecker, B., Flensberg, K., Serbyn, M., & Danon, J. (2025).
Superconducting proximity effect in two-dimensional hole gases. Physical Review
B. American Physical Society. https://doi.org/10.1103/k4jh-pnxy
chicago: Babkin, Serafim, Benjamin Joecker, Karsten Flensberg, Maksym Serbyn, and
Jeroen Danon. “Superconducting Proximity Effect in Two-Dimensional Hole Gases.”
Physical Review B. American Physical Society, 2025. https://doi.org/10.1103/k4jh-pnxy.
ieee: S. Babkin, B. Joecker, K. Flensberg, M. Serbyn, and J. Danon, “Superconducting
proximity effect in two-dimensional hole gases,” Physical Review B, vol.
111, no. 21. American Physical Society, 2025.
ista: Babkin S, Joecker B, Flensberg K, Serbyn M, Danon J. 2025. Superconducting
proximity effect in two-dimensional hole gases. Physical Review B. 111(21), 214518.
mla: Babkin, Serafim, et al. “Superconducting Proximity Effect in Two-Dimensional
Hole Gases.” Physical Review B, vol. 111, no. 21, 214518, American Physical
Society, 2025, doi:10.1103/k4jh-pnxy.
short: S. Babkin, B. Joecker, K. Flensberg, M. Serbyn, J. Danon, Physical Review
B 111 (2025).
corr_author: '1'
date_created: 2025-06-19T16:54:54Z
date_published: 2025-06-18T00:00:00Z
date_updated: 2025-09-30T12:53:47Z
day: '18'
ddc:
- '530'
department:
- _id: MaSe
- _id: GradSch
doi: 10.1103/k4jh-pnxy
external_id:
arxiv:
- '2412.04084'
isi:
- '001514328000004'
file:
- access_level: open_access
checksum: fa8757f4780cfaeb51579c626284a8c1
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T10:31:11Z
date_updated: 2025-06-23T10:31:11Z
file_id: '19869'
file_name: 2025_PhysReviewB_Babkin.pdf
file_size: 1719489
relation: main_file
success: 1
file_date_updated: 2025-06-23T10:31:11Z
has_accepted_license: '1'
intvolume: ' 111'
isi: 1
issue: '21'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: 34a7f947-11ca-11ed-8bc3-c5dc2bbaae25
grant_number: F8609
name: 'Center for Correlated Quantum Materials and Solid State Quantum Systems: Probing
topology in circuits and quantum materials'
publication: Physical Review B
publication_identifier:
eissn:
- 2469-9969
issn:
- 2469-9950
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Superconducting proximity effect in two-dimensional hole gases
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 111
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19854'
abstract:
- lang: eng
text: 'Asynchronous Boolean networks are a type of discrete dynamical system in
which each variable can take one of two states, and a single variable state is
updated in each time step according to pre-selected rules. Boolean networks are
popular in systems biology due to their ability to model long-term biological
phenotypes within a qualitative, predictive framework. Boolean networks model
phenotypes as attractors, which are closely linked to minimal trap spaces (inescapable
hypercubes in the system’s state space). In biological applications, attractors
and minimal trap spaces are typically in one-to-one correspondence. However, this
correspondence is not guaranteed: motif-avoidant attractors (MAAs) that lie outside
minimal trap spaces are possible. MAAs are rare and poorly understood, despite
recent efforts. In this contribution to the BMB & JMB Special Collection “Problems,
Progress and Perspectives in Mathematical and Computational Biology”, we summarize
the current state of knowledge regarding MAAs and present several novel observations
regarding their response to node deletion reductions and linear extensions of
edges. We conduct large-scale computational studies on an ensemble of 14 000 models
derived from published Boolean models of biological systems, and more than 100
million Random Boolean Networks. Our findings quantify the rarity of MAAs; in
particular, we only observed MAAs in biological models after applying standard
simplification methods, highlighting the role of network reduction in introducing
MAAs into the dynamics. We also show that MAAs are fragile to linear extensions:
in sparse networks, even a single linear node can disrupt virtually all MAAs.
Motivated by this observation, we improve the upper bound on the number of delays
needed to disrupt a motif-avoidant attractor.'
acknowledgement: Ondřej Huvar has been supported by the Czech Science Foundation grant
No. GA22-10845S. Samuel Pastva received funding from the European Union’s Horizon
2020 research and innovation programme under the Marie Sklodowska-Curie Grant Agreement
No. 101034413. Kyu Hyong Park and Réka Albert have been supported by NSF grant MCB
1715826 and ARO grant 79961-SM-MUR. No funding bodies had any role in study design,
analysis, decision to publish, or preparation of the manuscript.
article_number: '11'
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Samuel
full_name: Pastva, Samuel
id: 07c5ea74-f61c-11ec-a664-aa7c5d957b2b
last_name: Pastva
orcid: 0000-0003-1993-0331
- first_name: Kyu Hyong
full_name: Park, Kyu Hyong
last_name: Park
- first_name: Ondřej
full_name: Huvar, Ondřej
last_name: Huvar
- first_name: Jordan C.
full_name: Rozum, Jordan C.
last_name: Rozum
- first_name: Réka
full_name: Albert, Réka
last_name: Albert
citation:
ama: 'Pastva S, Park KH, Huvar O, Rozum JC, Albert R. An open problem: Why are motif-avoidant
attractors so rare in asynchronous Boolean networks? Journal of Mathematical
Biology. 2025;91. doi:10.1007/s00285-025-02235-8'
apa: 'Pastva, S., Park, K. H., Huvar, O., Rozum, J. C., & Albert, R. (2025).
An open problem: Why are motif-avoidant attractors so rare in asynchronous Boolean
networks? Journal of Mathematical Biology. Springer Nature. https://doi.org/10.1007/s00285-025-02235-8'
chicago: 'Pastva, Samuel, Kyu Hyong Park, Ondřej Huvar, Jordan C. Rozum, and Réka
Albert. “An Open Problem: Why Are Motif-Avoidant Attractors so Rare in Asynchronous
Boolean Networks?” Journal of Mathematical Biology. Springer Nature, 2025.
https://doi.org/10.1007/s00285-025-02235-8.'
ieee: 'S. Pastva, K. H. Park, O. Huvar, J. C. Rozum, and R. Albert, “An open problem:
Why are motif-avoidant attractors so rare in asynchronous Boolean networks?,”
Journal of Mathematical Biology, vol. 91. Springer Nature, 2025.'
ista: 'Pastva S, Park KH, Huvar O, Rozum JC, Albert R. 2025. An open problem: Why
are motif-avoidant attractors so rare in asynchronous Boolean networks? Journal
of Mathematical Biology. 91, 11.'
mla: 'Pastva, Samuel, et al. “An Open Problem: Why Are Motif-Avoidant Attractors
so Rare in Asynchronous Boolean Networks?” Journal of Mathematical Biology,
vol. 91, 11, Springer Nature, 2025, doi:10.1007/s00285-025-02235-8.'
short: S. Pastva, K.H. Park, O. Huvar, J.C. Rozum, R. Albert, Journal of Mathematical
Biology 91 (2025).
corr_author: '1'
date_created: 2025-06-22T22:02:05Z
date_published: 2025-06-12T00:00:00Z
date_updated: 2025-09-30T13:36:46Z
day: '12'
ddc:
- '000'
department:
- _id: ToHe
doi: 10.1007/s00285-025-02235-8
ec_funded: 1
external_id:
arxiv:
- '2410.03976'
isi:
- '001507009300001'
file:
- access_level: open_access
checksum: a385ef2662f1d0c3497ed3f2721fe594
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T11:10:01Z
date_updated: 2025-06-23T11:10:01Z
file_id: '19871'
file_name: 2025_JourMathBiology_Pastva.pdf
file_size: 1243163
relation: main_file
success: 1
file_date_updated: 2025-06-23T11:10:01Z
has_accepted_license: '1'
intvolume: ' 91'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Journal of Mathematical Biology
publication_identifier:
eissn:
- 1432-1416
issn:
- 0303-6812
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'An open problem: Why are motif-avoidant attractors so rare in asynchronous
Boolean networks?'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 91
year: '2025'
...
---
OA_place: publisher
OA_type: gold
_id: '19855'
abstract:
- lang: eng
text: We present indirect constraints on the absolute escape fraction of ionizing
photons (f_{\rm esc}^{\rm LyC}) of the system GN 42912 which comprises two luminous
galaxies (M_{\rm UV} magnitudes of -20.89 and -20.37) at z\sim7.5, GN 42912-NE
and GN 42912-SW, to determine their contribution to the ionizing photon budget
of the Epoch of Reionization (EoR). The high-resolution James Webb Space Telescope
NIRSpec and NIRCam observations reveal the two galaxies are separated by only
~0.1" (0.5 kpc) on the sky and have a 358 km s^{-1} velocity separation. GN 42912-NE
and GN 42912-SW are relatively massive for this redshift (log(M_\ast/M_\odot)
\sim 8.4 and 8.9, respectively), with gas-phase metallicities of 18 per cent and
23 per cent solar, O_{32} ratios of 5.3 and >5.8, and \beta slopes of -1.92 and
-1.51, respectively. We use the Mg II\lambda\lambda2796,2803 doublet to constrain
f_{\rm esc}^{\rm LyC}. Mg II has an ionization potential close to that of neutral
hydrogen and, in the optically thin regime, can be used as an indirect tracer
of the LyC leakage. We establish realistic conservative upper limits on f_{\rm
esc}^{\rm LyC} of 8.5 per cent for GN 42912-NE and 14 per cent for GN 42912-SW.
These estimates align with f_{\rm esc}^{\rm LyC} trends observed with \beta, O_{32},
and the H\beta equivalent width at z<4. The small inferred ionized region sizes
(<0.3 pMpc) around both galaxies indicate they have not ionized a significant
fraction of the surrounding neutral gas. While these z>7 f_{\rm esc}^{\rm LyC}
constraints do not decisively determine a specific reionization model, they support
a minor contribution from these two relatively luminous galaxies to the EoR.
acknowledgement: 'This work is based on observations made with the NASA/ESA/CSA JWST.
The data were obtained from the Mikulski Archive for Space Telescopes at the Space
Telescope Science Institute, which is operated by the Association of Universities
for Research in Astronomy, Inc., under NASA contract NAS 5–03127 for JWST. These
observations are associated with program #01871. Support for program #01871 was
provided by NASA through a grant from the Space Telescope Science Institute, which
is operated by the Association of Universities for Research in Astronomy, Inc.,
under NASA contract NAS 5–03127. SG is grateful for the support enabled by the Harlan
J. Smith McDonald fellowship. YI and NG acknowledge support from the Simons Foundation
and the National Academy of Sciences of Ukraine (Project 0121U109612). ASL acknowledges
support from Knut and Alice Wallenberg Foundation.'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: S.
full_name: Gazagnes, S.
last_name: Gazagnes
- first_name: J.
full_name: Chisholm, J.
last_name: Chisholm
- first_name: R.
full_name: Endsley, R.
last_name: Endsley
- first_name: D. A.
full_name: Berg, D. A.
last_name: Berg
- first_name: F.
full_name: Leclercq, F.
last_name: Leclercq
- first_name: N.
full_name: Jurlin, N.
last_name: Jurlin
- first_name: A.
full_name: Saldana-Lopez, A.
last_name: Saldana-Lopez
- first_name: S. L.
full_name: Finkelstein, S. L.
last_name: Finkelstein
- first_name: S. R.
full_name: Flury, S. R.
last_name: Flury
- first_name: N. G.
full_name: Guseva, N. G.
last_name: Guseva
- first_name: A.
full_name: Henry, A.
last_name: Henry
- first_name: Y. I.
full_name: Izotov, Y. I.
last_name: Izotov
- first_name: I.
full_name: Jung, I.
last_name: Jung
- first_name: Jorryt J
full_name: Matthee, Jorryt J
id: 7439a258-f3c0-11ec-9501-9df22fe06720
last_name: Matthee
orcid: 0000-0003-2871-127X
- first_name: D.
full_name: Schaerer, D.
last_name: Schaerer
citation:
ama: Gazagnes S, Chisholm J, Endsley R, et al. A negligible contribution of two
luminous z ∼7.5 galaxies to the ionizing photon budget of reionization. Monthly
Notices of the Royal Astronomical Society. 2025;540(3):2331-2348. doi:10.1093/mnras/staf768
apa: Gazagnes, S., Chisholm, J., Endsley, R., Berg, D. A., Leclercq, F., Jurlin,
N., … Schaerer, D. (2025). A negligible contribution of two luminous z ∼7.5 galaxies
to the ionizing photon budget of reionization. Monthly Notices of the Royal
Astronomical Society. Oxford University Press. https://doi.org/10.1093/mnras/staf768
chicago: Gazagnes, S., J. Chisholm, R. Endsley, D. A. Berg, F. Leclercq, N. Jurlin,
A. Saldana-Lopez, et al. “A Negligible Contribution of Two Luminous z ∼7.5 Galaxies
to the Ionizing Photon Budget of Reionization.” Monthly Notices of the Royal
Astronomical Society. Oxford University Press, 2025. https://doi.org/10.1093/mnras/staf768.
ieee: S. Gazagnes et al., “A negligible contribution of two luminous z ∼7.5
galaxies to the ionizing photon budget of reionization,” Monthly Notices of
the Royal Astronomical Society, vol. 540, no. 3. Oxford University Press,
pp. 2331–2348, 2025.
ista: Gazagnes S, Chisholm J, Endsley R, Berg DA, Leclercq F, Jurlin N, Saldana-Lopez
A, Finkelstein SL, Flury SR, Guseva NG, Henry A, Izotov YI, Jung I, Matthee JJ,
Schaerer D. 2025. A negligible contribution of two luminous z ∼7.5 galaxies to
the ionizing photon budget of reionization. Monthly Notices of the Royal Astronomical
Society. 540(3), 2331–2348.
mla: Gazagnes, S., et al. “A Negligible Contribution of Two Luminous z ∼7.5 Galaxies
to the Ionizing Photon Budget of Reionization.” Monthly Notices of the Royal
Astronomical Society, vol. 540, no. 3, Oxford University Press, 2025, pp.
2331–48, doi:10.1093/mnras/staf768.
short: S. Gazagnes, J. Chisholm, R. Endsley, D.A. Berg, F. Leclercq, N. Jurlin,
A. Saldana-Lopez, S.L. Finkelstein, S.R. Flury, N.G. Guseva, A. Henry, Y.I. Izotov,
I. Jung, J.J. Matthee, D. Schaerer, Monthly Notices of the Royal Astronomical
Society 540 (2025) 2331–2348.
date_created: 2025-06-22T22:02:05Z
date_published: 2025-07-01T00:00:00Z
date_updated: 2025-09-30T13:34:20Z
day: '01'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.1093/mnras/staf768
external_id:
arxiv:
- '2410.03337'
isi:
- '001506103600001'
file:
- access_level: open_access
checksum: f912c990a0474f1ddf9be6b8a89c7759
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T11:02:59Z
date_updated: 2025-06-23T11:02:59Z
file_id: '19870'
file_name: 2025_MonthlyNoticesRAS_Gazagnes.pdf
file_size: 3111567
relation: main_file
success: 1
file_date_updated: 2025-06-23T11:02:59Z
has_accepted_license: '1'
intvolume: ' 540'
isi: 1
issue: '3'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 2331-2348
publication: Monthly Notices of the Royal Astronomical Society
publication_identifier:
eissn:
- 1365-2966
issn:
- 0035-8711
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: A negligible contribution of two luminous z ∼7.5 galaxies to the ionizing photon
budget of reionization
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 540
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19857'
abstract:
- lang: eng
text: Bacteria have evolved a wide range of defence strategies to protect themselves
against bacterial viruses (phages). Most known bacterial antiphage defence systems
target phages with DNA genomes, which raises the question of how bacteria defend
against phages with RNA genomes. Bacterial toxin–antitoxin systems that cleave
intracellular RNA could potentially protect bacteria against RNA phages, but this
has not been explored experimentally. In this study, we investigated the role
of a model toxin–antitoxin system, MazEF, in protecting Escherichia coli against
two RNA phage species. When challenged with these phages, the native presence
of mazEF moderately reduced population susceptibility and increased the survival
of individual E. coli cells. Genomic analysis further revealed an underrepresentation
of the MazF cleavage site in genomes of RNA phages infecting E. coli, indicating
selection against cleavage. These results show that, in addition to other physiological
roles, RNA-degrading toxin–antitoxin systems may also help defend against RNA
phages.
acknowledged_ssus:
- _id: LifeSc
acknowledgement: This work was supported by ISTFELLOW (People Program – Marie Curie
Actions of the European Union’s Seventh Framework Program FP7 under REA grant agreement
291734), the FWF (Austrian Science Fund) Elise Richter Program project number V
738 and the Wellcome Trust Institutional Strategic Support Award (WT105618MA), to
N.N. M.P. was a Simons Foundation Fellow of the Life Sciences Research Foundation.
We are grateful to Kathrin Tomasek, Lisa Butt, Chris Estell, Alys Jepson, Franklin
Nobrega, Stefano Pagliara, Remy Chait, Steve West, Vicki Gold, Josh Eaton, Ivana
Gudelj and Rob Beardmore for useful discussions and technical support, as well as
to Robin Wright, Christian Fitch and Ben Temperton for sharing equipment. We thank
Laurence Van Melderen for sharing the strains. We acknowledge the IST Austria Lab
Support Facility, LSI Technical Services Team at the University of Exeter and the
Translational Research Exchange @ Exeter (TREE) network. N.N. is grateful to Fabrice
Gielen for his support.
article_number: '20250080'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Nela
full_name: Nikolic, Nela
id: 42D9CABC-F248-11E8-B48F-1D18A9856A87
last_name: Nikolic
orcid: 0000-0001-9068-6090
- first_name: Maros
full_name: Pleska, Maros
id: 4569785E-F248-11E8-B48F-1D18A9856A87
last_name: Pleska
orcid: 0000-0001-7460-7479
- first_name: Tobias
full_name: Bergmiller, Tobias
id: 2C471CFA-F248-11E8-B48F-1D18A9856A87
last_name: Bergmiller
orcid: 0000-0001-5396-4346
- first_name: Calin C
full_name: Guet, Calin C
id: 47F8433E-F248-11E8-B48F-1D18A9856A87
last_name: Guet
orcid: 0000-0001-6220-2052
citation:
ama: Nikolic N, Pleska M, Bergmiller T, Guet CC. A bacterial toxin-antitoxin system
as a native defence element against RNA phages. Biology Letters. 2025;21(6).
doi:10.1098/rsbl.2025.0080
apa: Nikolic, N., Pleska, M., Bergmiller, T., & Guet, C. C. (2025). A bacterial
toxin-antitoxin system as a native defence element against RNA phages. Biology
Letters. The Royal Society. https://doi.org/10.1098/rsbl.2025.0080
chicago: Nikolic, Nela, Maros Pleska, Tobias Bergmiller, and Calin C Guet. “A Bacterial
Toxin-Antitoxin System as a Native Defence Element against RNA Phages.” Biology
Letters. The Royal Society, 2025. https://doi.org/10.1098/rsbl.2025.0080.
ieee: N. Nikolic, M. Pleska, T. Bergmiller, and C. C. Guet, “A bacterial toxin-antitoxin
system as a native defence element against RNA phages,” Biology Letters,
vol. 21, no. 6. The Royal Society, 2025.
ista: Nikolic N, Pleska M, Bergmiller T, Guet CC. 2025. A bacterial toxin-antitoxin
system as a native defence element against RNA phages. Biology Letters. 21(6),
20250080.
mla: Nikolic, Nela, et al. “A Bacterial Toxin-Antitoxin System as a Native Defence
Element against RNA Phages.” Biology Letters, vol. 21, no. 6, 20250080,
The Royal Society, 2025, doi:10.1098/rsbl.2025.0080.
short: N. Nikolic, M. Pleska, T. Bergmiller, C.C. Guet, Biology Letters 21 (2025).
corr_author: '1'
date_created: 2025-06-22T22:02:06Z
date_published: 2025-06-11T00:00:00Z
date_updated: 2025-09-30T13:38:08Z
day: '11'
ddc:
- '570'
department:
- _id: CaGu
doi: 10.1098/rsbl.2025.0080
ec_funded: 1
external_id:
isi:
- '001505019800001'
pmid:
- '40494395'
file:
- access_level: open_access
checksum: 016f644ed068f8609ded306ad26dbd3f
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T11:34:39Z
date_updated: 2025-06-23T11:34:39Z
file_id: '19873'
file_name: 2025_BiologyLetters_Nikolic.pdf
file_size: 1850797
relation: main_file
success: 1
file_date_updated: 2025-06-23T11:34:39Z
has_accepted_license: '1'
intvolume: ' 21'
isi: 1
issue: '6'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
- _id: 26956E74-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: V00738
name: Bacterial toxin-antitoxin systems as antiphage defense mechanisms
publication: Biology Letters
publication_identifier:
eissn:
- 1744-957X
issn:
- 1744-9561
publication_status: published
publisher: The Royal Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: A bacterial toxin-antitoxin system as a native defence element against RNA
phages
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 21
year: '2025'
...
---
OA_place: publisher
OA_type: gold
_id: '19858'
abstract:
- lang: eng
text: "Given a graph G that undergoes a sequence of edge insertions and deletions,
we study the Maximum k-Edge Coloring problem (MkEC): Having access to k different
colors, color as many edges of G as possible such that no two adjacent edges share
the same color. While this problem is different from simply maintaining a b-matching
with b = k, the two problems are related. However, maximum b-matching can be solved
efficiently in the static setting, whereas MkEC is NP-hard and even APX-hard for
k ≥ 2. \r\nWe present new results on both problems: For b-matching, we show a
new integrality gap result and we adapt Wajc’s matching sparsification scheme
[David Wajc, 2020] for the case where b is a constant.\r\nUsing these as basis,
we give three new algorithms for the dynamic MkEC problem: Our MatchO algorithm
builds on the dynamic (2+ε)-approximation algorithm of Bhattacharya, Gupta, and
Mohan [Sayan Bhattacharya et al., 2017] for b-matching and achieves a (2+ε)(k+1)/k-approximation
in O(poly(log n, ε^-1)) update time against an oblivious adversary. Our MatchA
algorithm builds on the dynamic (7+ε)-approximation algorithm by Bhattacharya,
Henzinger, and Italiano [Sayan Bhattacharya et al., 2015] for fractional b-matching
and achieves a (7+ε)(3k+3)/(3k-1)-approximation in O(poly(log n, ε^-1)) update
time against an adaptive adversary. Moreover, our reductions use the dynamic b-matching
algorithm as a black box, so any future improvement in the approximation ratio
for dynamic b-matching will automatically translate into a better approximation
ratio for our algorithms. Finally, we present a greedy algorithm with O(Δ+k) update
time, which guarantees a 2.16 approximation factor."
acknowledgement: "This project has received funding from the European Research Council
(ERC) under the\r\nEuropean Union’s Horizon 2020 research and innovation programme
(MoDynStruct, No. 101019564) and the Austrian Science Fund (FWF) grant DOI 10.55776/Z422,
grant DOI 10.55776/I5982, and grant DOI 10.55776/P33775 with additional funding
from the netidee SCIENCE Stiftung, 2020–2024. This work was further supported by
the Federal Ministry of Education and Research (BMBF) project, 6G-RIC: 6G Research
and Innovation Cluster, grant 16KISK020K."
alternative_title:
- LIPIcs
article_number: '4'
article_processing_charge: No
arxiv: 1
author:
- first_name: Antoine
full_name: El-Hayek, Antoine
id: 888a098e-fcac-11ee-aff7-d347be57b725
last_name: El-Hayek
orcid: 0000-0003-4268-7368
- first_name: Kathrin
full_name: Hanauer, Kathrin
last_name: Hanauer
- first_name: Monika H
full_name: Henzinger, Monika H
id: 540c9bbd-f2de-11ec-812d-d04a5be85630
last_name: Henzinger
orcid: 0000-0002-5008-6530
citation:
ama: 'El-Hayek A, Hanauer K, Henzinger M. On b-matching and fully-dynamic maximum
k-edge coloring. In: 4th Symposium on Algorithmic Foundations of Dynamic Networks.
Vol 330. Schloss Dagstuhl - Leibniz-Zentrum für Informatik; 2025. doi:10.4230/LIPIcs.SAND.2025.4'
apa: 'El-Hayek, A., Hanauer, K., & Henzinger, M. (2025). On b-matching and fully-dynamic
maximum k-edge coloring. In 4th Symposium on Algorithmic Foundations of Dynamic
Networks (Vol. 330). Liverpool, United Kingdom: Schloss Dagstuhl - Leibniz-Zentrum
für Informatik. https://doi.org/10.4230/LIPIcs.SAND.2025.4'
chicago: El-Hayek, Antoine, Kathrin Hanauer, and Monika Henzinger. “On B-Matching
and Fully-Dynamic Maximum k-Edge Coloring.” In 4th Symposium on Algorithmic
Foundations of Dynamic Networks, Vol. 330. Schloss Dagstuhl - Leibniz-Zentrum
für Informatik, 2025. https://doi.org/10.4230/LIPIcs.SAND.2025.4.
ieee: A. El-Hayek, K. Hanauer, and M. Henzinger, “On b-matching and fully-dynamic
maximum k-edge coloring,” in 4th Symposium on Algorithmic Foundations of Dynamic
Networks, Liverpool, United Kingdom, 2025, vol. 330.
ista: 'El-Hayek A, Hanauer K, Henzinger M. 2025. On b-matching and fully-dynamic
maximum k-edge coloring. 4th Symposium on Algorithmic Foundations of Dynamic Networks.
SAND: Symposium on Algorithmic Foundations of Dynamic Networks, LIPIcs, vol. 330,
4.'
mla: El-Hayek, Antoine, et al. “On B-Matching and Fully-Dynamic Maximum k-Edge Coloring.”
4th Symposium on Algorithmic Foundations of Dynamic Networks, vol. 330,
4, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2025, doi:10.4230/LIPIcs.SAND.2025.4.
short: A. El-Hayek, K. Hanauer, M. Henzinger, in:, 4th Symposium on Algorithmic
Foundations of Dynamic Networks, Schloss Dagstuhl - Leibniz-Zentrum für Informatik,
2025.
conference:
end_date: 2025-06-11
location: Liverpool, United Kingdom
name: 'SAND: Symposium on Algorithmic Foundations of Dynamic Networks'
start_date: 2025-06-09
corr_author: '1'
date_created: 2025-06-22T22:02:06Z
date_published: 2025-06-02T00:00:00Z
date_updated: 2025-09-30T13:37:28Z
day: '02'
ddc:
- '000'
department:
- _id: MoHe
doi: 10.4230/LIPIcs.SAND.2025.4
ec_funded: 1
external_id:
arxiv:
- '2310.01149'
isi:
- '001532136900004'
file:
- access_level: open_access
checksum: ad93a1e052adb29d7bfe8bd551bab193
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T11:23:29Z
date_updated: 2025-06-23T11:23:29Z
file_id: '19872'
file_name: 2025_LIPIcs_ElHayek.pdf
file_size: 995666
relation: main_file
success: 1
file_date_updated: 2025-06-23T11:23:29Z
has_accepted_license: '1'
intvolume: ' 330'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: bd9ca328-d553-11ed-ba76-dc4f890cfe62
call_identifier: H2020
grant_number: '101019564'
name: The design and evaluation of modern fully dynamic data structures
- _id: 34def286-11ca-11ed-8bc3-da5948e1613c
grant_number: Z00422
name: Efficient algorithms
- _id: bda196b2-d553-11ed-ba76-8e8ee6c21103
grant_number: I05982
name: Static and Dynamic Hierarchical Graph Decompositions
- _id: bd9e3a2e-d553-11ed-ba76-8aa684ce17fe
grant_number: P33775
name: Fast Algorithms for a Reactive Network Layer
publication: 4th Symposium on Algorithmic Foundations of Dynamic Networks
publication_identifier:
isbn:
- '9783959773683'
issn:
- 1868-8969
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
quality_controlled: '1'
scopus_import: '1'
status: public
title: On b-matching and fully-dynamic maximum k-edge coloring
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 330
year: '2025'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '19859'
abstract:
- lang: eng
text: "We consider a recently introduced model of color-avoiding percolation (abbreviated
CA-percolation) defined as follows. Every edge in a graph G is colored in some
of k>=2 colors. Two vertices u and v in G are said to be CA-connected if u and
v may be connected using any subset of k-1 colors. CA-connectivity defines an
equivalence relation on the vertex set of G whose classes are called CA-components.\r\nWe
study the component structure of a randomly colored Erdős–Rényi random graph of
constant average degree. We distinguish three regimes for the size of the largest
component: a supercritical regime, a so-called intermediate regime, and a subcritical
regime, in which the largest CA-component has respectively linear, logarithmic,
and bounded size. Interestingly, in the subcritical regime, the bound is deterministic
and given by the number of colors."
acknowledgement: "We thank Dieter Mitsche for enlightening discussions, Balázs Ráth
for a number of comments\r\nand corrections on a first version of this paper, and
an anonymous referee for several useful remarks."
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Lyuben
full_name: Lichev, Lyuben
id: 9aa8388e-d003-11ee-8458-c4c1d7447977
last_name: Lichev
- first_name: Bruno
full_name: Schapira, Bruno
last_name: Schapira
citation:
ama: Lichev L, Schapira B. Color-avoiding percolation on the Erdős–Rényi random
graph. Annales Henri Lebesgue. 2025;8:35-65. doi:10.5802/ahl.228
apa: Lichev, L., & Schapira, B. (2025). Color-avoiding percolation on the Erdős–Rényi
random graph. Annales Henri Lebesgue. École normale supérieure de Rennes.
https://doi.org/10.5802/ahl.228
chicago: Lichev, Lyuben, and Bruno Schapira. “Color-Avoiding Percolation on the
Erdős–Rényi Random Graph.” Annales Henri Lebesgue. École normale supérieure
de Rennes, 2025. https://doi.org/10.5802/ahl.228.
ieee: L. Lichev and B. Schapira, “Color-avoiding percolation on the Erdős–Rényi
random graph,” Annales Henri Lebesgue, vol. 8. École normale supérieure
de Rennes, pp. 35–65, 2025.
ista: Lichev L, Schapira B. 2025. Color-avoiding percolation on the Erdős–Rényi
random graph. Annales Henri Lebesgue. 8, 35–65.
mla: Lichev, Lyuben, and Bruno Schapira. “Color-Avoiding Percolation on the Erdős–Rényi
Random Graph.” Annales Henri Lebesgue, vol. 8, École normale supérieure
de Rennes, 2025, pp. 35–65, doi:10.5802/ahl.228.
short: L. Lichev, B. Schapira, Annales Henri Lebesgue 8 (2025) 35–65.
corr_author: '1'
date_created: 2025-06-22T22:02:07Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2025-06-23T12:01:36Z
day: '01'
ddc:
- '510'
department:
- _id: MaKw
doi: 10.5802/ahl.228
external_id:
arxiv:
- '2211.16086 '
file:
- access_level: open_access
checksum: cca22d171b7affa010d17f5e793b0045
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T11:59:22Z
date_updated: 2025-06-23T11:59:22Z
file_id: '19875'
file_name: 2025_AnnalesHenriLebesgue_Lichev.pdf
file_size: 746588
relation: main_file
success: 1
file_date_updated: 2025-06-23T11:59:22Z
has_accepted_license: '1'
intvolume: ' 8'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: 35-65
publication: Annales Henri Lebesgue
publication_identifier:
eissn:
- 2644-9463
publication_status: published
publisher: École normale supérieure de Rennes
quality_controlled: '1'
scopus_import: '1'
status: public
title: Color-avoiding percolation on the Erdős–Rényi random graph
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 8
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19876'
abstract:
- lang: eng
text: "Assortative mating and sexual selection are widespread in nature and can
play an important role in speciation by facilitating the buildup and maintenance
of reproductive isolation (RI). However, their contribution to genome-wide suppression
of gene flow during RI is rarely quantified.\r\nHere, we consider a polygenic
“magic” trait that is divergently selected across two populations connected by
migration, while also serving as the basis of assortative mating, thus generating
sexual selection on one or both sexes. We obtain theoretical predictions for divergence
at\r\nindividual trait loci by assuming that the effect of all other loci on any
locus can be encapsulated via an effective migration rate, which bears a simple
relationship to measurable fitness components of migrants and various early-generation
hybrids. Our analysis clarifies how “tipping\r\npoints” (characterized by an abrupt
collapse of adaptive divergence) arise, and when assortative mating can shift
the critical level of migration beyond which divergence collapses. We quantify
the relative contributions of viability and sexual selection to genome-wide barriers
to gene\r\nflow and discuss how these depend on existing divergence levels. Our
results suggest that effective migration rates provide a useful way of understanding
genomic divergence, even in scenarios involving multiple, interacting mechanisms
of RI. "
acknowledged_ssus:
- _id: ScienComp
acknowledgement: We thank Nick Barton for useful comments on the manuscript. This
research was supported by the Scientific Service Units (SSU) of Institute of Science
and Technology Austria (ISTA) through resources provided by Scientific Computing
(SciComp).
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Parvathy
full_name: Surendranadh, Parvathy
id: 455235B8-F248-11E8-B48F-1D18A9856A87
last_name: Surendranadh
orcid: 0000-0001-6395-386X
- first_name: Himani
full_name: Sachdeva, Himani
last_name: Sachdeva
citation:
ama: Surendranadh P, Sachdeva H. Effect of assortative mating and sexual selection
on polygenic barriers to gene flow. Evolution. 2025;79(7):1185-1198. doi:10.1093/evolut/qpaf047
apa: Surendranadh, P., & Sachdeva, H. (2025). Effect of assortative mating and
sexual selection on polygenic barriers to gene flow. Evolution. Oxford
University Press. https://doi.org/10.1093/evolut/qpaf047
chicago: Surendranadh, Parvathy, and Himani Sachdeva. “Effect of Assortative Mating
and Sexual Selection on Polygenic Barriers to Gene Flow.” Evolution. Oxford
University Press, 2025. https://doi.org/10.1093/evolut/qpaf047.
ieee: P. Surendranadh and H. Sachdeva, “Effect of assortative mating and sexual
selection on polygenic barriers to gene flow,” Evolution, vol. 79, no.
7. Oxford University Press, pp. 1185–1198, 2025.
ista: Surendranadh P, Sachdeva H. 2025. Effect of assortative mating and sexual
selection on polygenic barriers to gene flow. Evolution. 79(7), 1185–1198.
mla: Surendranadh, Parvathy, and Himani Sachdeva. “Effect of Assortative Mating
and Sexual Selection on Polygenic Barriers to Gene Flow.” Evolution, vol.
79, no. 7, Oxford University Press, 2025, pp. 1185–98, doi:10.1093/evolut/qpaf047.
short: P. Surendranadh, H. Sachdeva, Evolution 79 (2025) 1185–1198.
corr_author: '1'
date_created: 2025-06-23T13:51:00Z
date_published: 2025-07-01T00:00:00Z
date_updated: 2025-12-30T08:44:13Z
day: '01'
ddc:
- '570'
department:
- _id: NiBa
doi: 10.1093/evolut/qpaf047
external_id:
isi:
- '001490646300001'
file:
- access_level: open_access
checksum: 288ca936cef794d68a55356e70671846
content_type: application/pdf
creator: dernst
date_created: 2025-12-30T08:43:33Z
date_updated: 2025-12-30T08:43:33Z
file_id: '20898'
file_name: 2025_Evolution_Surendranadh.pdf
file_size: 2784295
relation: main_file
success: 1
file_date_updated: 2025-12-30T08:43:33Z
has_accepted_license: '1'
intvolume: ' 79'
isi: 1
issue: '7'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
month: '07'
oa: 1
oa_version: Published Version
page: 1185-1198
publication: Evolution
publication_identifier:
eissn:
- 1558-5646
issn:
- 0014-3820
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
related_material:
record:
- id: '18712'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Effect of assortative mating and sexual selection on polygenic barriers to
gene flow
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 79
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19877'
abstract:
- lang: eng
text: "As inference on Large Language Models (LLMs) emerges as an important workload
in machine learning applications, model weight quantization has become a standard
technique for efficient GPU deployment. Quantization not only reduces model size,
but has also been shown to yield substantial speedups for single-user inference,
due to reduced memory movement, with low accuracy impact. Yet, it remains a key
open question whether speedups are achievable also in batched settings with multiple
parallel clients, which are highly relevant for practical serving. It is unclear
whether GPU kernels can be designed to remain practically memory-bound, while
supporting the substantially increased compute requirements of batched workloads.\r\nIn
this paper, we resolve this question positively by introducing a new design for
Mixed-precision Auto-Regressive LINear kernels, called MARLIN. Concretely, given
a model whose weights are compressed via quantization to, e.g., 4 bits per element,
MARLIN shows that batchsizes up to 16-32 can be practically supported with close
to maximum (4×) quantization speedup, and larger batchsizes up to 64-128 with
gradually decreasing, but still significant, acceleration. MARLIN accomplishes
this via a combination of techniques, such as asynchronous memory access, complex
task scheduling and pipelining, and bespoke quantization support. Our experiments
show that MARLIN's near-optimal performance on individual LLM layers across different
scenarios can also lead to significant end-to-end LLM inference speedups (of up
to 2.8×) when integrated with the popular vLLM open-source serving engine. Finally,
we show that MARLIN is extensible to further compression techniques, like NVIDIA
2:4 sparsity, leading to additional speedups."
acknowledgement: The authors would like to thank the Neural Magic team, in particular
Michael Goin, Alexander Matveev, and Rob Shaw, for support with the vLLM integration.
This research was supported in part by generous grants from NVIDIA and Google.
article_processing_charge: Yes (via OA deal)
arxiv: 1
author:
- first_name: Elias
full_name: Frantar, Elias
id: 09a8f98d-ec99-11ea-ae11-c063a7b7fe5f
last_name: Frantar
- first_name: Roberto L.
full_name: Castro, Roberto L.
last_name: Castro
- first_name: Jiale
full_name: Chen, Jiale
id: 4d0a9064-1ff6-11ee-9fa6-ec046c604785
last_name: Chen
orcid: 0000-0001-5337-5875
- first_name: Torsten
full_name: Hoefler, Torsten
last_name: Hoefler
- first_name: Dan-Adrian
full_name: Alistarh, Dan-Adrian
id: 4A899BFC-F248-11E8-B48F-1D18A9856A87
last_name: Alistarh
orcid: 0000-0003-3650-940X
citation:
ama: 'Frantar E, Castro RL, Chen J, Hoefler T, Alistarh D-A. MARLIN: Mixed-precision
auto-regressive parallel inference on Large Language Models. In: Proceedings
of the 30th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel
Programming. Association for Computing Machinery; 2025:239-251. doi:10.1145/3710848.3710871'
apa: 'Frantar, E., Castro, R. L., Chen, J., Hoefler, T., & Alistarh, D.-A. (2025).
MARLIN: Mixed-precision auto-regressive parallel inference on Large Language Models.
In Proceedings of the 30th ACM SIGPLAN Annual Symposium on Principles and Practice
of Parallel Programming (pp. 239–251). Las Vegas, NV, United States: Association
for Computing Machinery. https://doi.org/10.1145/3710848.3710871'
chicago: 'Frantar, Elias, Roberto L. Castro, Jiale Chen, Torsten Hoefler, and Dan-Adrian
Alistarh. “MARLIN: Mixed-Precision Auto-Regressive Parallel Inference on Large
Language Models.” In Proceedings of the 30th ACM SIGPLAN Annual Symposium on
Principles and Practice of Parallel Programming, 239–51. Association for Computing
Machinery, 2025. https://doi.org/10.1145/3710848.3710871.'
ieee: 'E. Frantar, R. L. Castro, J. Chen, T. Hoefler, and D.-A. Alistarh, “MARLIN:
Mixed-precision auto-regressive parallel inference on Large Language Models,”
in Proceedings of the 30th ACM SIGPLAN Annual Symposium on Principles and Practice
of Parallel Programming, Las Vegas, NV, United States, 2025, pp. 239–251.'
ista: 'Frantar E, Castro RL, Chen J, Hoefler T, Alistarh D-A. 2025. MARLIN: Mixed-precision
auto-regressive parallel inference on Large Language Models. Proceedings of the
30th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel Programming.
PPoPP: Symposium on Principles and Practice of Parallel Programming, 239–251.'
mla: 'Frantar, Elias, et al. “MARLIN: Mixed-Precision Auto-Regressive Parallel Inference
on Large Language Models.” Proceedings of the 30th ACM SIGPLAN Annual Symposium
on Principles and Practice of Parallel Programming, Association for Computing
Machinery, 2025, pp. 239–51, doi:10.1145/3710848.3710871.'
short: E. Frantar, R.L. Castro, J. Chen, T. Hoefler, D.-A. Alistarh, in:, Proceedings
of the 30th ACM SIGPLAN Annual Symposium on Principles and Practice of Parallel
Programming, Association for Computing Machinery, 2025, pp. 239–251.
conference:
end_date: 2025-03-05
location: Las Vegas, NV, United States
name: 'PPoPP: Symposium on Principles and Practice of Parallel Programming'
start_date: 2025-03-01
corr_author: '1'
date_created: 2025-06-23T13:51:58Z
date_published: 2025-02-28T00:00:00Z
date_updated: 2025-09-30T13:41:57Z
day: '28'
ddc:
- '000'
department:
- _id: DaAl
doi: 10.1145/3710848.3710871
external_id:
arxiv:
- '2408.11743'
isi:
- '001437826500019'
file:
- access_level: open_access
checksum: a0566ea3c168e8273501a5eb7d767cf8
content_type: application/pdf
creator: dernst
date_created: 2025-06-24T06:04:17Z
date_updated: 2025-06-24T06:04:17Z
file_id: '19883'
file_name: 2025_PPoPP_Frantar.pdf
file_size: 1330044
relation: main_file
success: 1
file_date_updated: 2025-06-24T06:04:17Z
has_accepted_license: '1'
isi: 1
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
page: 239-251
publication: Proceedings of the 30th ACM SIGPLAN Annual Symposium on Principles and
Practice of Parallel Programming
publication_identifier:
isbn:
- '9798400714436'
publication_status: published
publisher: Association for Computing Machinery
quality_controlled: '1'
related_material:
record:
- id: '19884'
relation: software
status: public
scopus_import: '1'
status: public
title: 'MARLIN: Mixed-precision auto-regressive parallel inference on Large Language
Models'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19878'
abstract:
- lang: eng
text: Rock debris partially covers glaciers worldwide, with varying extents and
distributions, and controls sub‐debris melt rates by modifying energy transfer
from the atmosphere to the ice. Two key physical properties controlling this energy
exchange are thermal conductivity (k) and aerodynamic roughness length (z0). Accurate
representation of these properties in energy‐balance models is critical for understanding
climate‐glacier interactions and predicting the behavior of debris‐covered glaciers.
However, k and z0 have been derived at very few sites from limited local measurements,
using different approaches, and most model applications rely on values reported
from these few sites and studies. We derive k and z0 using established and modified
approaches from data at three locations on Pirámide Glacier in the central Chilean
Andes. By comparing methods and evaluating melt simulated with an energy‐balance
model, we reveal substantial differences between approaches. These lead to discrepancies
between ice melt from energy‐balance simulations and observed data, and highlight
the impact of method choice on calculated ice melt. Optimizing k against measured
melt appears a viable approach to constrain melt simulations. Determining z0 seems
less critical, as it has a smaller impact on total melt. Profile aerodynamic method
measurements for estimating z0, despite higher costs, are independent of ice melt
calculations. The large, unexpected differences between methods indicate a substantial
knowledge gap. The fact that field‐derived k and z0 fail to work well in energy‐balance
models, suggests that model values represent bulk properties distinct from theoretical
field measurements. Addressing this gap is essential for improving glacier melt
predictions.
acknowledgement: This project received funding from the Swiss National Science Foundation
(Grant 204322, project “REsolving the thickNess Of debris on Earth's glacIers and
its Rate of change,” RENOIR). We thank Lars Groeneveld, Diego Hernández, Alonso
Mejías, Gabriela Reyes and Gabriela Tala for their support during fieldwork. Open
access funding provided by Institute of Science and Technology Austria/KEMÖ.
article_number: e2025JF008360
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Juan Vicente
full_name: Melo Velasco, Juan Vicente
id: 2611dec0-b9c6-11ed-9bea-a81c2b17a549
last_name: Melo Velasco
- first_name: Evan
full_name: Miles, Evan
last_name: Miles
- first_name: Michael
full_name: McCarthy, Michael
id: 22a2674a-61ce-11ee-94b5-d18813baf16f
last_name: McCarthy
- first_name: Thomas
full_name: Shaw, Thomas
id: 3caa3f91-1f03-11ee-96ce-e0e553054d6e
last_name: Shaw
orcid: 0000-0001-7640-6152
- first_name: Catriona Louise
full_name: Fyffe, Catriona Louise
id: 001b0422-8d15-11ed-bc51-cab6c037a228
last_name: Fyffe
- first_name: Adrià
full_name: Fontrodona-Bach, Adrià
id: f06891fd-9f42-11ee-8632-a20971c43046
last_name: Fontrodona-Bach
- first_name: Francesca
full_name: Pellicciotti, Francesca
id: b28f055a-81ea-11ed-b70c-a9fe7f7b0e70
last_name: Pellicciotti
orcid: 0000-0002-5554-8087
citation:
ama: 'Melo Velasco JV, Miles E, McCarthy M, et al. Method dependence in thermal
conductivity and aerodynamic roughness length estimates on a debris‐covered glacier.
Journal of Geophysical Research: Earth Surface. 2025;130(6). doi:10.1029/2025jf008360'
apa: 'Melo Velasco, J. V., Miles, E., McCarthy, M., Shaw, T., Fyffe, C. L., Fontrodona-Bach,
A., & Pellicciotti, F. (2025). Method dependence in thermal conductivity and
aerodynamic roughness length estimates on a debris‐covered glacier. Journal
of Geophysical Research: Earth Surface. Wiley. https://doi.org/10.1029/2025jf008360'
chicago: 'Melo Velasco, Juan Vicente, Evan Miles, Michael McCarthy, Thomas Shaw,
Catriona Louise Fyffe, Adrià Fontrodona-Bach, and Francesca Pellicciotti. “Method
Dependence in Thermal Conductivity and Aerodynamic Roughness Length Estimates
on a Debris‐covered Glacier.” Journal of Geophysical Research: Earth Surface.
Wiley, 2025. https://doi.org/10.1029/2025jf008360.'
ieee: 'J. V. Melo Velasco et al., “Method dependence in thermal conductivity
and aerodynamic roughness length estimates on a debris‐covered glacier,” Journal
of Geophysical Research: Earth Surface, vol. 130, no. 6. Wiley, 2025.'
ista: 'Melo Velasco JV, Miles E, McCarthy M, Shaw T, Fyffe CL, Fontrodona-Bach A,
Pellicciotti F. 2025. Method dependence in thermal conductivity and aerodynamic
roughness length estimates on a debris‐covered glacier. Journal of Geophysical
Research: Earth Surface. 130(6), e2025JF008360.'
mla: 'Melo Velasco, Juan Vicente, et al. “Method Dependence in Thermal Conductivity
and Aerodynamic Roughness Length Estimates on a Debris‐covered Glacier.” Journal
of Geophysical Research: Earth Surface, vol. 130, no. 6, e2025JF008360, Wiley,
2025, doi:10.1029/2025jf008360.'
short: 'J.V. Melo Velasco, E. Miles, M. McCarthy, T. Shaw, C.L. Fyffe, A. Fontrodona-Bach,
F. Pellicciotti, Journal of Geophysical Research: Earth Surface 130 (2025).'
corr_author: '1'
date_created: 2025-06-23T13:54:01Z
date_published: 2025-06-15T00:00:00Z
date_updated: 2025-09-30T13:42:28Z
day: '15'
ddc:
- '550'
department:
- _id: FrPe
doi: 10.1029/2025jf008360
external_id:
isi:
- '001508794200001'
file:
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checksum: ca91541516c71d240321630ca42b4dc4
content_type: application/pdf
creator: dernst
date_created: 2025-06-24T06:27:34Z
date_updated: 2025-06-24T06:27:34Z
file_id: '19886'
file_name: 2025_JGREarthSurface_MeloVelasco.pdf
file_size: 3949928
relation: main_file
success: 1
file_date_updated: 2025-06-24T06:27:34Z
has_accepted_license: '1'
intvolume: ' 130'
isi: 1
issue: '6'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
publication: 'Journal of Geophysical Research: Earth Surface'
publication_identifier:
eissn:
- 2169-9011
issn:
- 2169-9003
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Method dependence in thermal conductivity and aerodynamic roughness length
estimates on a debris‐covered glacier
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 130
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19879'
abstract:
- lang: eng
text: We consider the 4-precoloring extension problem in planar near-Eulerian- triangulations,
i.e., plane graphs where all faces except possibly for the outer one have length
three, all vertices not incident with the outer face have even degree, and exactly
the vertices incident with the outer face are precolored. We give a necessary
topological condition for the precoloring to extend, and give a complete characterization
when the outer face has length at most five and when all vertices of the outer
face have odd degree and are colored using only three colors.
acknowledgement: Supported by project 22-17398S (Flows and cycles in graphs on surfaces)
of Czech Science Foundation. An extended abstract appeared in Proceedings of the
12th European Conference on Combinatorics, Graph Theory and Applications (EUROCOMB’23)
article_number: '104138'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Zdeněk
full_name: Dvořák, Zdeněk
last_name: Dvořák
- first_name: Benjamin
full_name: Moore, Benjamin
id: 6dc1a1be-bf1c-11ed-8d2b-d044840f49d6
last_name: Moore
- first_name: Michaela
full_name: Seifrtová, Michaela
last_name: Seifrtová
- first_name: Robert
full_name: Šámal, Robert
last_name: Šámal
citation:
ama: Dvořák Z, Moore B, Seifrtová M, Šámal R. Precoloring extension in planar near-Eulerian-triangulations.
European Journal of Combinatorics. 2025;127. doi:10.1016/j.ejc.2025.104138
apa: Dvořák, Z., Moore, B., Seifrtová, M., & Šámal, R. (2025). Precoloring extension
in planar near-Eulerian-triangulations. European Journal of Combinatorics.
Elsevier. https://doi.org/10.1016/j.ejc.2025.104138
chicago: Dvořák, Zdeněk, Benjamin Moore, Michaela Seifrtová, and Robert Šámal. “Precoloring
Extension in Planar Near-Eulerian-Triangulations.” European Journal of Combinatorics.
Elsevier, 2025. https://doi.org/10.1016/j.ejc.2025.104138.
ieee: Z. Dvořák, B. Moore, M. Seifrtová, and R. Šámal, “Precoloring extension in
planar near-Eulerian-triangulations,” European Journal of Combinatorics,
vol. 127. Elsevier, 2025.
ista: Dvořák Z, Moore B, Seifrtová M, Šámal R. 2025. Precoloring extension in planar
near-Eulerian-triangulations. European Journal of Combinatorics. 127, 104138.
mla: Dvořák, Zdeněk, et al. “Precoloring Extension in Planar Near-Eulerian-Triangulations.”
European Journal of Combinatorics, vol. 127, 104138, Elsevier, 2025, doi:10.1016/j.ejc.2025.104138.
short: Z. Dvořák, B. Moore, M. Seifrtová, R. Šámal, European Journal of Combinatorics
127 (2025).
corr_author: '1'
date_created: 2025-06-23T13:54:46Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2025-09-30T13:42:59Z
day: '01'
ddc:
- '510'
department:
- _id: MaKw
doi: 10.1016/j.ejc.2025.104138
external_id:
arxiv:
- '2312.13061'
isi:
- '001443061400001'
file:
- access_level: open_access
checksum: 8b3585df45b25091fba9bee9854b7d01
content_type: application/pdf
creator: dernst
date_created: 2025-06-24T06:33:30Z
date_updated: 2025-06-24T06:33:30Z
file_id: '19887'
file_name: 2025_EuropJournCombinatorics_Dvorak.pdf
file_size: 564203
relation: main_file
success: 1
file_date_updated: 2025-06-24T06:33:30Z
has_accepted_license: '1'
intvolume: ' 127'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
publication: European Journal of Combinatorics
publication_identifier:
issn:
- 0195-6698
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Precoloring extension in planar near-Eulerian-triangulations
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 127
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19880'
abstract:
- lang: eng
text: We investigate quantum transport in a two-dimensional electron system coupled
to a chiral molecular potential, demonstrating how molecular chirality and orientation
affect charge and spin transport properties. We propose a minimal model for realizing
true chiral symmetry breaking on a magnetized surface, with a crucial role played
by the tilt angle of the molecular dipole with respect to the surface. For non-zero
tilting, we show that the Hall response exhibits clear signatures of chirality-induced
effects, in both charge- and spin-resolved observables. Concerning the former,
tilted enantiomers produce asymmetric Hall conductances and, even more remarkably,
the persistence of this feature in the absence of spin–orbit coupling (SOC) signals
how the enantiospecific charge response results from electron scattering off the
molecular potential. Concerning spin-resolved observables where SOC plays a relevant
role, we reveal that chiral symmetry breaking is crucial in enabling spin-flipping
processes.
acknowledgement: We thank Artem Volosniev, Narcis Avarvari, Georgios Koutentakis,
Sandro Wimberger, and Binghai Yan for useful discussions. R.A. received funding
from the Austrian Academy of Science ÖWA, Grant No. PR1029OEAW03. M.L. acknowledges
support by the European Research Council (ERC) Starting Grant No. 801770 (ANGULON).
A.C. received funding from the European Union’s Horizon Europe research and innovation
program under the Marie Skłodowska-Curie Grant Agreement No. 101062862-NeqMolRot.
article_number: '234106'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Ragheed
full_name: Al Hyder, Ragheed
id: d1c405be-ae15-11ed-8510-ccf53278162e
last_name: Al Hyder
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Alberto
full_name: Cappellaro, Alberto
id: 9d13b3cb-30a2-11eb-80dc-f772505e8660
last_name: Cappellaro
orcid: 0000-0001-6110-2359
citation:
ama: Al Hyder R, Lemeshko M, Cappellaro A. Quantum transport in the presence of
a chiral molecular potential. The Journal of Chemical Physics. 2025;162(23).
doi:10.1063/5.0271155
apa: Al Hyder, R., Lemeshko, M., & Cappellaro, A. (2025). Quantum transport
in the presence of a chiral molecular potential. The Journal of Chemical Physics.
AIP Publishing. https://doi.org/10.1063/5.0271155
chicago: Al Hyder, Ragheed, Mikhail Lemeshko, and Alberto Cappellaro. “Quantum Transport
in the Presence of a Chiral Molecular Potential.” The Journal of Chemical Physics.
AIP Publishing, 2025. https://doi.org/10.1063/5.0271155.
ieee: R. Al Hyder, M. Lemeshko, and A. Cappellaro, “Quantum transport in the presence
of a chiral molecular potential,” The Journal of Chemical Physics, vol.
162, no. 23. AIP Publishing, 2025.
ista: Al Hyder R, Lemeshko M, Cappellaro A. 2025. Quantum transport in the presence
of a chiral molecular potential. The Journal of Chemical Physics. 162(23), 234106.
mla: Al Hyder, Ragheed, et al. “Quantum Transport in the Presence of a Chiral Molecular
Potential.” The Journal of Chemical Physics, vol. 162, no. 23, 234106,
AIP Publishing, 2025, doi:10.1063/5.0271155.
short: R. Al Hyder, M. Lemeshko, A. Cappellaro, The Journal of Chemical Physics
162 (2025).
corr_author: '1'
date_created: 2025-06-23T13:55:28Z
date_published: 2025-06-21T00:00:00Z
date_updated: 2025-09-30T13:40:55Z
day: '21'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1063/5.0271155
ec_funded: 1
external_id:
arxiv:
- '2503.14124'
isi:
- '001512872900010'
pmid:
- '40526561'
file:
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checksum: e278631d949657baa9d5309dad5f4b77
content_type: application/pdf
creator: dernst
date_created: 2025-06-23T14:03:30Z
date_updated: 2025-06-23T14:03:30Z
file_id: '19881'
file_name: 2025_JourChemicalPhysics_AlHyder.pdf
file_size: 7202681
relation: main_file
success: 1
file_date_updated: 2025-06-23T14:03:30Z
has_accepted_license: '1'
intvolume: ' 162'
isi: 1
issue: '23'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2688CF98-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '801770'
name: 'Angulon: physics and applications of a new quasiparticle'
- _id: bd7b5202-d553-11ed-ba76-9b1c1b258338
grant_number: '101062862'
name: Non-Equilibrium Field Theory of Molecular Rotations
- _id: 8fa7db46-16d5-11f0-9cad-917600954daf
grant_number: '12078'
name: Polarons in Lead Halide Perovskites
publication: The Journal of Chemical Physics
publication_identifier:
eissn:
- 1089-7690
issn:
- 0021-9606
publication_status: published
publisher: AIP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Quantum transport in the presence of a chiral molecular potential
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 162
year: '2025'
...
---
_id: '19885'
abstract:
- lang: eng
text: This .zip file contains the data to reproduce the figures and supplementary
figures of "Automated All-RF Tuning for Spin Qubit Readout and Control" by Cornelius
Carlsson and Jaime Saez-Mollejo et al.
acknowledged_ssus:
- _id: M-Shop
- _id: NanoFab
acknowledgement: 'The authors would like to thank Barnaby van Straaten, Jonas Schuff,
Daniel Jirovec and Hanifa Tidjani for fruitful discussions. This research was supported
by the Scientific Service Units of ISTA through resources provided by the MIBA Machine
Shop and the Nanofabrication Facility. G.K. acknowledges support from the NOMIS
Foundation, the HORIZON-RIA (project no. 101069515) and the FWF Projects (DOIs:
10.55776/F86 and 10.55776/I5060). N.A. acknowledges support from the European Research
Council (grant agreement 948932), and the Royal Society (grant no. URF/R1/191150).
This project received support from the US Army Research Office (ARO) under Award
No. W911NF-24-2-0043. C.C. acknowledges support from the UKRI Doctoral Training
Partnership related to EP/W524311/1 (project ref. 2887634).'
article_processing_charge: No
author:
- first_name: Jaime
full_name: Saez Mollejo, Jaime
id: e0390f72-f6e0-11ea-865d-862393336714
last_name: Saez Mollejo
citation:
ama: Saez Mollejo J. Automated All-RF Tuning for Spin Qubit Readout and Control.
2025. doi:10.15479/AT:ISTA:19885
apa: Saez Mollejo, J. (2025). Automated All-RF Tuning for Spin Qubit Readout and
Control. Institute of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:19885
chicago: Saez Mollejo, Jaime. “Automated All-RF Tuning for Spin Qubit Readout and
Control.” Institute of Science and Technology Austria, 2025. https://doi.org/10.15479/AT:ISTA:19885.
ieee: J. Saez Mollejo, “Automated All-RF Tuning for Spin Qubit Readout and Control.”
Institute of Science and Technology Austria, 2025.
ista: Saez Mollejo J. 2025. Automated All-RF Tuning for Spin Qubit Readout and Control,
Institute of Science and Technology Austria, 10.15479/AT:ISTA:19885.
mla: Saez Mollejo, Jaime. Automated All-RF Tuning for Spin Qubit Readout and
Control. Institute of Science and Technology Austria, 2025, doi:10.15479/AT:ISTA:19885.
short: J. Saez Mollejo, (2025).
contributor:
- contributor_type: researcher
first_name: Cornelius
last_name: Carlsson
- contributor_type: researcher
first_name: 'Federico '
last_name: Fedele
- contributor_type: researcher
first_name: Stefano
last_name: Calcaterra
- contributor_type: researcher
first_name: ' Daniel '
last_name: Chrastina
- contributor_type: researcher
first_name: 'Giovanni '
last_name: Isella
- contributor_type: researcher
first_name: Georgios
id: 38DB5788-F248-11E8-B48F-1D18A9856A87
last_name: Katsaros
orcid: 0000-0001-8342-202X
- contributor_type: researcher
first_name: Natalia
last_name: Ares
corr_author: '1'
date_created: 2025-06-24T06:56:03Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2025-07-01T07:19:26Z
day: '01'
ddc:
- '530'
department:
- _id: GradSch
- _id: GeKa
doi: 10.15479/AT:ISTA:19885
file:
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checksum: eff1ae9e46599fdfab8da00a2ca3c289
content_type: application/x-zip-compressed
creator: jsaezmol
date_created: 2025-06-24T15:14:13Z
date_updated: 2025-06-24T15:14:13Z
file_id: '19893'
file_name: DatasetsPaper.zip
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date_updated: 2025-06-25T07:11:52Z
file_id: '19899'
file_name: README.txt
file_size: 622
relation: main_file
success: 1
file_date_updated: 2025-06-25T07:11:52Z
has_accepted_license: '1'
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: 34c0acea-11ca-11ed-8bc3-8775e10fd452
grant_number: '101069515'
name: Integrated Germanium Quantum Technology
- _id: c0977eea-5a5b-11eb-8a69-a862db0cf4d1
grant_number: I05060
name: High impedance circuit quantum electrodynamics with hole spins
- _id: 34a66131-11ca-11ed-8bc3-a31681c6b03e
grant_number: F8606
name: 'Center for Correlated Quantum Materials and Solid State Quantum Systems:
Conventional and unconventional topological superconductors'
publisher: Institute of Science and Technology Austria
status: public
title: Automated All-RF Tuning for Spin Qubit Readout and Control
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2025'
...
---
_id: '19915'
acknowledgement: "We thank all members of the Martin Loose lab at ISTA for helpful
discussions and Marko Kojic for critical reading of the manuscript. This research
was supported by the Scientific Service Units (SSU) of ISTA through resources provided
by the Imaging & Optics Facility (IOF), the Scientific Computing (SciComp) and the
Electron Microscopy Facility (EMF), as well as the Lab Support Facility (LSF). This
project has received funding from the European Union’s Horizon 2020 research and
innovation program under the Marie Skłodowska-Curie Grant Agreement No.101034413
awarded to BLS as well as an ERC grant (ActinID, 101076260) from the European Union
awarded to FKMS. Views and opinions expressed are however those of the author(s)
only and do not necessarily reflect those of the European Union or the European
Research Council. Neither the European Union nor the granting authority can be held
responsible for them.\r\n\r\nWe are grateful for Antonia Herrero (Sevilla University)
for sharing her extensive BACTH plasmid library and other plasmids as well as cyanobacterial
strains. Likewise, we would like to thank Tal Dagan and Fabian Nies (both Kiel University)
for sharing cyanobacterial strains and plasmids and for valuable discussions.\r\n\r\nWe
would further like to express our gratitude to Nicolas Sapay and Alexis Michon for
providing the Amphipaseek code, which enabled us to perform our large-scale amphipathic
helix screen of cyanobacterial CorR proteins. Finally, we also want to thank Jesse
Hansen for advice in cryo-EM data processing"
article_processing_charge: No
author:
- first_name: Benjamin L
full_name: Springstein, Benjamin L
id: b4eb62ef-ac72-11ed-9503-ed3b4d66c083
last_name: Springstein
orcid: 0000-0002-3461-5391
citation:
ama: Springstein BL. Files for “Evolutionary repurposing of a DNA segregation machinery
into a cytoskeletal system controlling cyanobacterial cell shape.” 2025. doi:10.15479/AT:ISTA:19915
apa: Springstein, B. L. (2025). Files for “Evolutionary repurposing of a DNA segregation
machinery into a cytoskeletal system controlling cyanobacterial cell shape.” Institute
of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:19915
chicago: Springstein, Benjamin L. “Files for ‘Evolutionary Repurposing of a DNA
Segregation Machinery into a Cytoskeletal System Controlling Cyanobacterial Cell
Shape.’” Institute of Science and Technology Austria, 2025. https://doi.org/10.15479/AT:ISTA:19915.
ieee: B. L. Springstein, “Files for ‘Evolutionary repurposing of a DNA segregation
machinery into a cytoskeletal system controlling cyanobacterial cell shape.’”
Institute of Science and Technology Austria, 2025.
ista: Springstein BL. 2025. Files for ‘Evolutionary repurposing of a DNA segregation
machinery into a cytoskeletal system controlling cyanobacterial cell shape’, Institute
of Science and Technology Austria, 10.15479/AT:ISTA:19915.
mla: Springstein, Benjamin L. Files for “Evolutionary Repurposing of a DNA Segregation
Machinery into a Cytoskeletal System Controlling Cyanobacterial Cell Shape.”
Institute of Science and Technology Austria, 2025, doi:10.15479/AT:ISTA:19915.
short: B.L. Springstein, (2025).
contributor:
- contributor_type: project_leader
first_name: Benjamin L
id: b4eb62ef-ac72-11ed-9503-ed3b4d66c083
last_name: Springstein
orcid: 0000-0002-3461-5391
- contributor_type: researcher
first_name: Manjunath
id: 305ab18b-dc7d-11ea-9b2f-b58195228ea2
last_name: Javoor
- contributor_type: researcher
first_name: Daniela
last_name: Megrian
- contributor_type: researcher
first_name: Roman
id: ffab949d-133f-11ed-8f02-94de21ace503
last_name: Hajdu
- contributor_type: researcher
first_name: Dustin M
last_name: Hanke
- contributor_type: researcher
first_name: Florian KM
id: 48AD8942-F248-11E8-B48F-1D18A9856A87
last_name: Schur
orcid: 0000-0003-4790-8078
- contributor_type: supervisor
first_name: Martin
id: 462D4284-F248-11E8-B48F-1D18A9856A87
last_name: Loose
orcid: 0000-0001-7309-9724
corr_author: '1'
date_created: 2025-06-27T07:34:52Z
date_published: 2025-06-27T00:00:00Z
date_updated: 2025-07-02T08:25:37Z
day: '27'
department:
- _id: MaLo
doi: 10.15479/AT:ISTA:19915
ec_funded: 1
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creator: bsprings
date_created: 2025-06-27T07:35:29Z
date_updated: 2025-06-27T07:35:29Z
file_id: '19916'
file_name: Supplementary Movie 1) in vivo time lapse microscopy of mNG-CorM.avi
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content_type: video/x-msvideo
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date_created: 2025-06-27T07:35:28Z
date_updated: 2025-06-27T07:35:28Z
file_id: '19917'
file_name: Supplementary Movie 2) mNG-CorM single cell.avi
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date_updated: 2025-06-27T07:35:29Z
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