---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '19442'
abstract:
- lang: eng
text: "1. Climate change is expected to induce shifts in the composition, structure
and functioning of Arctic tundra ecosystems. Increases in the frequency and severity
of tundra fires have the potential to catalyse vegetation transitions with far-reaching
local, regional and global consequences.\r\n2. We propose that post-fire tundra
recovery, coupled with climate change, may not necessarily lead to pre-fire conditions.
Our hypothesis, based on surveys and literature, suggests two climate–fire driven
trajectories. One trajectory results in increased woody vegetation under low fire
frequency; the other results in grass dominance under high frequency.\r\n3. Future
research should address uncertainties regarding possible tundra ecosystem shifts
linked to fires, using methods that encompass greater temporal and spatial scales
than previously addressed. More case studies, especially in underrepresented regions
and ecosystem types, are essential to broaden the empirical basis for forecasts
and potential fire management strategies.\r\n4. Synthesis. Our review synthesises
current knowledge on post-fire vegetation trajectories in Arctic tundra ecosystems,
highlighting potential transitions and alternative ecosystem states and their
implications. We discuss challenges in defining and predicting these trajectories
as well as future directions."
acknowledgement: We would like to express our sincere gratitude to all the data providers
who carried out fieldwork in different regions of the Arctic and published their
data, which we used for our meta-analysis. We recognise the hard work and dedication
of these individuals, without whom this paper would not have been possible. We are
grateful to the editor and the anonymous reviewer for their time and valuable feedback
on this manuscript. We particularly appreciate the detailed and constructive comments
provided by reviewer Mara Baudena, which significantly strengthened our work. We
also acknowledge the Indigenous peoples and rural communities of the Arctic, whose
traditional knowledge, rights, and interests are integral to the stewardship and
study of these ecosystems. This work was funded in part by the U.S. National Aeronautics
and Space Administration (NASA) grant 80NSSC22K1256 (GVF). Open Access funding enabled
and organized by Projekt DEAL.
article_processing_charge: Yes (via OA deal)
article_type: review
author:
- first_name: Ramona Julia
full_name: Heim, Ramona Julia
last_name: Heim
- first_name: Adrian V.
full_name: Rocha, Adrian V.
last_name: Rocha
- first_name: Vitalii
full_name: Zemlianskii, Vitalii
last_name: Zemlianskii
- first_name: Kirsten
full_name: Barrett, Kirsten
last_name: Barrett
- first_name: Helga
full_name: Bültmann, Helga
last_name: Bültmann
- first_name: Amy
full_name: Breen, Amy
last_name: Breen
- first_name: Gerald Verner
full_name: Frost, Gerald Verner
last_name: Frost
- first_name: Teresa Nettleton
full_name: Hollingsworth, Teresa Nettleton
last_name: Hollingsworth
- first_name: Randi
full_name: Jandt, Randi
last_name: Jandt
- first_name: Maria
full_name: Kozlova, Maria
last_name: Kozlova
- first_name: Anastasiya
full_name: Kurka, Anastasiya
last_name: Kurka
- first_name: Mark Torre
full_name: Jorgenson, Mark Torre
last_name: Jorgenson
- first_name: Simon M.
full_name: Landhäusser, Simon M.
last_name: Landhäusser
- first_name: Michael Mark
full_name: Loranty, Michael Mark
last_name: Loranty
- first_name: Eric A.
full_name: Miller, Eric A.
last_name: Miller
- first_name: Kenji
full_name: Narita, Kenji
last_name: Narita
- first_name: Evgeniya
full_name: Pravdolyubova, Evgeniya
id: 0b30719b-13f0-11ed-ab2a-94498bc6a278
last_name: Pravdolyubova
- first_name: Norbert
full_name: Hölzel, Norbert
last_name: Hölzel
- first_name: Gabriela
full_name: Schaepman-Strub, Gabriela
last_name: Schaepman-Strub
citation:
ama: Heim RJ, Rocha AV, Zemlianskii V, et al. Arctic tundra ecosystems under fire—Alternative
ecosystem states in a changing climate? Journal of Ecology. 2025;113(5):1042-1056.
doi:10.1111/1365-2745.70022
apa: Heim, R. J., Rocha, A. V., Zemlianskii, V., Barrett, K., Bültmann, H., Breen,
A., … Schaepman-Strub, G. (2025). Arctic tundra ecosystems under fire—Alternative
ecosystem states in a changing climate? Journal of Ecology. Wiley. https://doi.org/10.1111/1365-2745.70022
chicago: Heim, Ramona Julia, Adrian V. Rocha, Vitalii Zemlianskii, Kirsten Barrett,
Helga Bültmann, Amy Breen, Gerald Verner Frost, et al. “Arctic Tundra Ecosystems
under Fire—Alternative Ecosystem States in a Changing Climate?” Journal of
Ecology. Wiley, 2025. https://doi.org/10.1111/1365-2745.70022.
ieee: R. J. Heim et al., “Arctic tundra ecosystems under fire—Alternative
ecosystem states in a changing climate?,” Journal of Ecology, vol. 113,
no. 5. Wiley, pp. 1042–1056, 2025.
ista: Heim RJ, Rocha AV, Zemlianskii V, Barrett K, Bültmann H, Breen A, Frost GV,
Hollingsworth TN, Jandt R, Kozlova M, Kurka A, Jorgenson MT, Landhäusser SM, Loranty
MM, Miller EA, Narita K, Pravdolyubova E, Hölzel N, Schaepman-Strub G. 2025. Arctic
tundra ecosystems under fire—Alternative ecosystem states in a changing climate?
Journal of Ecology. 113(5), 1042–1056.
mla: Heim, Ramona Julia, et al. “Arctic Tundra Ecosystems under Fire—Alternative
Ecosystem States in a Changing Climate?” Journal of Ecology, vol. 113,
no. 5, Wiley, 2025, pp. 1042–56, doi:10.1111/1365-2745.70022.
short: R.J. Heim, A.V. Rocha, V. Zemlianskii, K. Barrett, H. Bültmann, A. Breen,
G.V. Frost, T.N. Hollingsworth, R. Jandt, M. Kozlova, A. Kurka, M.T. Jorgenson,
S.M. Landhäusser, M.M. Loranty, E.A. Miller, K. Narita, E. Pravdolyubova, N. Hölzel,
G. Schaepman-Strub, Journal of Ecology 113 (2025) 1042–1056.
date_created: 2025-03-23T23:01:27Z
date_published: 2025-05-01T00:00:00Z
date_updated: 2025-12-30T08:09:47Z
day: '01'
ddc:
- '550'
- '570'
department:
- _id: NiBa
doi: 10.1111/1365-2745.70022
external_id:
isi:
- '001443422900001'
file:
- access_level: open_access
checksum: e2785ae265e211b4dc7fc9c5b7744948
content_type: application/pdf
creator: dernst
date_created: 2025-12-30T08:08:18Z
date_updated: 2025-12-30T08:08:18Z
file_id: '20890'
file_name: 2025_JournEcology_Heim.pdf
file_size: 2662766
relation: main_file
success: 1
file_date_updated: 2025-12-30T08:08:18Z
has_accepted_license: '1'
intvolume: ' 113'
isi: 1
issue: '5'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: 1042-1056
publication: Journal of Ecology
publication_identifier:
eissn:
- 1365-2745
issn:
- 0022-0477
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Arctic tundra ecosystems under fire—Alternative ecosystem states in a changing
climate?
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: 113
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '19443'
abstract:
- lang: eng
text: In cryo-electron microscopy, accurate particle localization and classification
are imperative. Recent deep learning solutions, though successful, require extensive
training datasets. The protracted generation time of physics-based models, often
employed to produce these datasets, limits their broad applicability. We introduce
FakET, a method based on neural style transfer, capable of simulating the forward
operator of any cryo transmission electron microscope. It can be used to adapt
a synthetic training dataset according to reference data producing high-quality
simulated micrographs or tilt-series. To assess the quality of our generated data,
we used it to train a state-of-the-art localization and classification architecture
and compared its performance with a counterpart trained on benchmark data. Remarkably,
our technique matches the performance, boosts data generation speed 750x, uses
33x less memory, and scales well to typical transmission electron microscope detector
sizes. It leverages GPU acceleration and parallel processing. The source code
is available at https://github.com/paloha/faket/.
acknowledgement: The IMP and D.H. are generously funded by Boehringer Ingelheim. We
thank Julius Berner from the Mathematical Data Science group @ UniVie, Ilja Gubins
and Marten Chaillet from the SHREC team, and the members of the Haselbach lab for
helpful discussions.
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Pavol
full_name: Harar, Pavol
id: e03d953a-6e8c-11ef-99e4-f0717d385cd5
last_name: Harar
orcid: 0000-0001-5206-1794
- first_name: Lukas
full_name: Herrmann, Lukas
last_name: Herrmann
- first_name: Philipp
full_name: Grohs, Philipp
last_name: Grohs
- first_name: David
full_name: Haselbach, David
last_name: Haselbach
citation:
ama: 'Harar P, Herrmann L, Grohs P, Haselbach D. FakET: Simulating cryo-electron
tomograms with neural style transfer. Structure. 2025;33(4):820-827.e4.
doi:10.1016/j.str.2025.01.020'
apa: 'Harar, P., Herrmann, L., Grohs, P., & Haselbach, D. (2025). FakET: Simulating
cryo-electron tomograms with neural style transfer. Structure. Elsevier.
https://doi.org/10.1016/j.str.2025.01.020'
chicago: 'Harar, Pavol, Lukas Herrmann, Philipp Grohs, and David Haselbach. “FakET:
Simulating Cryo-Electron Tomograms with Neural Style Transfer.” Structure.
Elsevier, 2025. https://doi.org/10.1016/j.str.2025.01.020.'
ieee: 'P. Harar, L. Herrmann, P. Grohs, and D. Haselbach, “FakET: Simulating cryo-electron
tomograms with neural style transfer,” Structure, vol. 33, no. 4. Elsevier,
p. 820–827.e4, 2025.'
ista: 'Harar P, Herrmann L, Grohs P, Haselbach D. 2025. FakET: Simulating cryo-electron
tomograms with neural style transfer. Structure. 33(4), 820–827.e4.'
mla: 'Harar, Pavol, et al. “FakET: Simulating Cryo-Electron Tomograms with Neural
Style Transfer.” Structure, vol. 33, no. 4, Elsevier, 2025, p. 820–827.e4,
doi:10.1016/j.str.2025.01.020.'
short: P. Harar, L. Herrmann, P. Grohs, D. Haselbach, Structure 33 (2025) 820–827.e4.
corr_author: '1'
date_created: 2025-03-23T23:01:27Z
date_published: 2025-04-03T00:00:00Z
date_updated: 2025-09-30T11:13:02Z
day: '03'
ddc:
- '570'
department:
- _id: AlMi
doi: 10.1016/j.str.2025.01.020
external_id:
isi:
- '001463196100001'
pmid:
- '39947174'
file:
- access_level: open_access
checksum: f346bc357a66a88cca3d0eb95793fb73
content_type: application/pdf
creator: dernst
date_created: 2025-08-05T12:15:13Z
date_updated: 2025-08-05T12:15:13Z
file_id: '20130'
file_name: 2025_Structure_Harar.pdf
file_size: 4367530
relation: main_file
success: 1
file_date_updated: 2025-08-05T12:15:13Z
has_accepted_license: '1'
intvolume: ' 33'
isi: 1
issue: '4'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
page: 820-827.e4
pmid: 1
publication: Structure
publication_identifier:
eissn:
- 1878-4186
issn:
- 0969-2126
publication_status: published
publisher: Elsevier
quality_controlled: '1'
related_material:
link:
- relation: software
url: https://github.com/paloha/faket/
scopus_import: '1'
status: public
title: 'FakET: Simulating cryo-electron tomograms with neural style transfer'
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: 33
year: '2025'
...
---
OA_type: closed access
_id: '19444'
abstract:
- lang: eng
text: As the field of neural organoids and assembloids expands, there is an emergent
need for guidance and advice on designing, conducting and reporting experiments
to increase the reproducibility and utility of these models. In this Perspective,
we present a framework for the experimental process that encompasses ensuring
the quality and integrity of human pluripotent stem cells, characterizing and
manipulating neural cells in vitro, transplantation techniques and considerations
for modelling human development, evolution and disease. As with all scientific
endeavours, we advocate for rigorous experimental designs tailored to explicit
scientific questions as well as transparent methodologies and data sharing to
provide useful knowledge for current research practices and for developing regulatory
standards.
acknowledgement: The authors thank members of their laboratories who provided feedback
on earlier versions of this manuscript, including A. Jourdon, V. Mariano, T. L.
Li, N. Caporale, E. Villa and M. Sutcliffe.
article_processing_charge: No
article_type: original
author:
- first_name: Sergiu P.
full_name: Pașca, Sergiu P.
last_name: Pașca
- first_name: Paola
full_name: Arlotta, Paola
last_name: Arlotta
- first_name: Helen S.
full_name: Bateup, Helen S.
last_name: Bateup
- first_name: J. Gray
full_name: Camp, J. Gray
last_name: Camp
- first_name: Silvia
full_name: Cappello, Silvia
last_name: Cappello
- first_name: Fred H.
full_name: Gage, Fred H.
last_name: Gage
- first_name: Jürgen A.
full_name: Knoblich, Jürgen A.
last_name: Knoblich
- first_name: Arnold R.
full_name: Kriegstein, Arnold R.
last_name: Kriegstein
- first_name: Madeline A.
full_name: Lancaster, Madeline A.
last_name: Lancaster
- first_name: Guo Li
full_name: Ming, Guo Li
last_name: Ming
- first_name: Gaia
full_name: Novarino, Gaia
id: 3E57A680-F248-11E8-B48F-1D18A9856A87
last_name: Novarino
orcid: 0000-0002-7673-7178
- first_name: Hideyuki
full_name: Okano, Hideyuki
last_name: Okano
- first_name: Malin
full_name: Parmar, Malin
last_name: Parmar
- first_name: In Hyun
full_name: Park, In Hyun
last_name: Park
- first_name: Orly
full_name: Reiner, Orly
last_name: Reiner
- first_name: Hongjun
full_name: Song, Hongjun
last_name: Song
- first_name: Lorenz
full_name: Studer, Lorenz
last_name: Studer
- first_name: Jun
full_name: Takahashi, Jun
last_name: Takahashi
- first_name: Sally
full_name: Temple, Sally
last_name: Temple
- first_name: Giuseppe
full_name: Testa, Giuseppe
last_name: Testa
- first_name: Barbara
full_name: Treutlein, Barbara
last_name: Treutlein
- first_name: Flora M.
full_name: Vaccarino, Flora M.
last_name: Vaccarino
- first_name: Pierre
full_name: Vanderhaeghen, Pierre
last_name: Vanderhaeghen
- first_name: Tracy
full_name: Young-Pearse, Tracy
last_name: Young-Pearse
citation:
ama: Pașca SP, Arlotta P, Bateup HS, et al. A framework for neural organoids, assembloids
and transplantation studies. Nature. 2025;639(8054):315-320. doi:10.1038/s41586-024-08487-6
apa: Pașca, S. P., Arlotta, P., Bateup, H. S., Camp, J. G., Cappello, S., Gage,
F. H., … Young-Pearse, T. (2025). A framework for neural organoids, assembloids
and transplantation studies. Nature. Springer Nature. https://doi.org/10.1038/s41586-024-08487-6
chicago: Pașca, Sergiu P., Paola Arlotta, Helen S. Bateup, J. Gray Camp, Silvia
Cappello, Fred H. Gage, Jürgen A. Knoblich, et al. “A Framework for Neural Organoids,
Assembloids and Transplantation Studies.” Nature. Springer Nature, 2025.
https://doi.org/10.1038/s41586-024-08487-6.
ieee: S. P. Pașca et al., “A framework for neural organoids, assembloids
and transplantation studies,” Nature, vol. 639, no. 8054. Springer Nature,
pp. 315–320, 2025.
ista: Pașca SP, Arlotta P, Bateup HS, Camp JG, Cappello S, Gage FH, Knoblich JA,
Kriegstein AR, Lancaster MA, Ming GL, Novarino G, Okano H, Parmar M, Park IH,
Reiner O, Song H, Studer L, Takahashi J, Temple S, Testa G, Treutlein B, Vaccarino
FM, Vanderhaeghen P, Young-Pearse T. 2025. A framework for neural organoids, assembloids
and transplantation studies. Nature. 639(8054), 315–320.
mla: Pașca, Sergiu P., et al. “A Framework for Neural Organoids, Assembloids and
Transplantation Studies.” Nature, vol. 639, no. 8054, Springer Nature,
2025, pp. 315–20, doi:10.1038/s41586-024-08487-6.
short: S.P. Pașca, P. Arlotta, H.S. Bateup, J.G. Camp, S. Cappello, F.H. Gage, J.A.
Knoblich, A.R. Kriegstein, M.A. Lancaster, G.L. Ming, G. Novarino, H. Okano, M.
Parmar, I.H. Park, O. Reiner, H. Song, L. Studer, J. Takahashi, S. Temple, G.
Testa, B. Treutlein, F.M. Vaccarino, P. Vanderhaeghen, T. Young-Pearse, Nature
639 (2025) 315–320.
date_created: 2025-03-23T23:01:27Z
date_published: 2025-03-13T00:00:00Z
date_updated: 2025-09-30T11:13:47Z
day: '13'
department:
- _id: GaNo
doi: 10.1038/s41586-024-08487-6
external_id:
isi:
- '001437461900001'
pmid:
- '39653126'
intvolume: ' 639'
isi: 1
issue: '8054'
language:
- iso: eng
month: '03'
oa_version: None
page: 315-320
pmid: 1
publication: Nature
publication_identifier:
eissn:
- 1476-4687
issn:
- 0028-0836
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: A framework for neural organoids, assembloids and transplantation studies
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 639
year: '2025'
...
---
OA_place: repository
OA_type: green
_id: '19445'
abstract:
- lang: eng
text: "In reconfiguration, we are given two solutions to a graph problem, such as
Vertex Cover or Dominating Set, with each solution represented by a placement
of tokens on vertices of the graph. Our task is to reconfigure one into the other
using small steps while ensuring the intermediate configurations of tokens are
also valid solutions. The two commonly studied settings are Token Jumping and
Token Sliding, which allows moving a single token to an arbitrary or an adjacent
vertex, respectively.\r\n\r\nWe introduce new rules that generalize Token Jumping,
parameterized by the number of tokens allowed to move at once and by the maximum
distance of each move. Our main contribution is identifying minimal rules that
allow reconfiguring any possible given solution into any other for Independent
Set, Vertex Cover, and Dominating Set. For each minimal rule, we also provide
an efficient algorithm that finds a corresponding reconfiguration sequence.\r\n\r\nWe
further focus on the rule that allows each token to move to an adjacent vertex
in a single step. This natural variant turns out to be the minimal rule that guarantees
reconfigurability for Vertex Cover. We determine the computational complexity
of deciding whether a (shortest) reconfiguration sequence exists under this rule
for the three studied problems. While reachability for Vertex Cover is shown to
be in P, finding a shortest sequence is shown to be NP-complete. For Independent
Set and Dominating Set, even reachability is shown to be PSPACE-complete."
acknowledgement: J. M. Křišťan acknowledges the support of the Czech Science Foundation
Grant No. 24-12046S. This work was supported by the Grant Agency of the Czech Technical
University in Prague, grant No. SGS23/205/OHK3/3T/18. J. Svoboda acknowledges the
support of the ERC CoG 863818 (ForM-SMArt) grant.
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Jan Matyáš
full_name: Křišťan, Jan Matyáš
last_name: Křišťan
- first_name: Jakub
full_name: Svoboda, Jakub
id: 130759D2-D7DD-11E9-87D2-DE0DE6697425
last_name: Svoboda
orcid: 0000-0002-1419-3267
citation:
ama: 'Křišťan JM, Svoboda J. Reconfiguration using generalized token jumping. In:
19th International Conference and Workshops on Algorithms and Computation.
Vol 15411. Springer Nature; 2025:244-265. doi:10.1007/978-981-96-2845-2_16'
apa: 'Křišťan, J. M., & Svoboda, J. (2025). Reconfiguration using generalized
token jumping. In 19th International Conference and Workshops on Algorithms
and Computation (Vol. 15411, pp. 244–265). Chengdu, China: Springer Nature.
https://doi.org/10.1007/978-981-96-2845-2_16'
chicago: Křišťan, Jan Matyáš, and Jakub Svoboda. “Reconfiguration Using Generalized
Token Jumping.” In 19th International Conference and Workshops on Algorithms
and Computation, 15411:244–65. Springer Nature, 2025. https://doi.org/10.1007/978-981-96-2845-2_16.
ieee: J. M. Křišťan and J. Svoboda, “Reconfiguration using generalized token jumping,”
in 19th International Conference and Workshops on Algorithms and Computation,
Chengdu, China, 2025, vol. 15411, pp. 244–265.
ista: 'Křišťan JM, Svoboda J. 2025. Reconfiguration using generalized token jumping.
19th International Conference and Workshops on Algorithms and Computation. WALCOM:
International Conference and Workshops on Algorithms and Computation, LNCS, vol.
15411, 244–265.'
mla: Křišťan, Jan Matyáš, and Jakub Svoboda. “Reconfiguration Using Generalized
Token Jumping.” 19th International Conference and Workshops on Algorithms and
Computation, vol. 15411, Springer Nature, 2025, pp. 244–65, doi:10.1007/978-981-96-2845-2_16.
short: J.M. Křišťan, J. Svoboda, in:, 19th International Conference and Workshops
on Algorithms and Computation, Springer Nature, 2025, pp. 244–265.
conference:
end_date: 2025-03-02
location: Chengdu, China
name: 'WALCOM: International Conference and Workshops on Algorithms and Computation'
start_date: 2025-02-28
date_created: 2025-03-23T23:01:27Z
date_published: 2025-02-20T00:00:00Z
date_updated: 2025-09-30T11:14:33Z
day: '20'
department:
- _id: KrCh
doi: 10.1007/978-981-96-2845-2_16
ec_funded: 1
external_id:
arxiv:
- '2411.12582'
isi:
- '001537885900016'
intvolume: ' 15411'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2411.12582
month: '02'
oa: 1
oa_version: Preprint
page: 244-265
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
publication: 19th International Conference and Workshops on Algorithms and Computation
publication_identifier:
eissn:
- 1611-3349
isbn:
- '9789819628445'
issn:
- 0302-9743
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Reconfiguration using generalized token jumping
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 15411
year: '2025'
...
---
APC_amount: 3317,75 EUR
OA_place: publisher
OA_type: hybrid
_id: '19453'
abstract:
- lang: eng
text: A key feature of biological and artificial neural networks is the progressive
refinement of their neural representations with experience. In neuroscience, this
fact has inspired several recent studies in sensory and motor systems. However,
less is known about how higher associational cortical areas, such as the hippocampus,
modify representations throughout the learning of complex tasks. Here, we focus
on associative learning, a process that requires forming a connection between
the representations of different variables for appropriate behavioral response.
We trained rats in a space-context associative task and monitored hippocampal
neural activity throughout the entire learning period, over several days. This
allowed us to assess changes in the representations of context, movement direction,
and position, as well as their relationship to behavior. We identified a hierarchical
representational structure in the encoding of these three task variables that
was preserved throughout learning. Nevertheless, we also observed changes at the
lower levels of the hierarchy where context was encoded. These changes were local
in neural activity space and restricted to physical positions where context identification
was necessary for correct decision-making, supporting better context decoding
and contextual code compression. Our results demonstrate that the hippocampal
code not only accommodates hierarchical relationships between different variables
but also enables efficient learning through minimal changes in neural activity
space. Beyond the hippocampus, our work reveals a representation learning mechanism
that might be implemented in other biological and artificial networks performing
similar tasks.
acknowledgement: We would like to thank Rebecca Morse for performing the recordings
in one of the animals under the supervision of H.S.C.C., Jago Wallenschus for the
technical support, especially with maze design, Wiktor Mlynarski for the advice
and discussions and Andrea Cumpelik for suggestions during the writing. M.N. was
supported by the Howard Hughes Medical Institute. H.S.C.C. received funding from
the European Union’s Horizon 2020 research and innovation programme under the Marie
Skłodowska-Curie grant agreement No 665385.
article_number: e2417025122
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Heloisa
full_name: Chiossi, Heloisa
id: 2BBA502C-F248-11E8-B48F-1D18A9856A87
last_name: Chiossi
orcid: 0009-0004-2973-278X
- first_name: Michele
full_name: Nardin, Michele
id: 30BD0376-F248-11E8-B48F-1D18A9856A87
last_name: Nardin
orcid: 0000-0001-8849-6570
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
- first_name: Jozsef L
full_name: Csicsvari, Jozsef L
id: 3FA14672-F248-11E8-B48F-1D18A9856A87
last_name: Csicsvari
orcid: 0000-0002-5193-4036
citation:
ama: Chiossi HSC, Nardin M, Tkačik G, Csicsvari JL. Learning reshapes the hippocampal
representation hierarchy. Proceedings of the National Academy of Sciences.
2025;122(11). doi:10.1073/pnas.2417025122
apa: Chiossi, H. S. C., Nardin, M., Tkačik, G., & Csicsvari, J. L. (2025). Learning
reshapes the hippocampal representation hierarchy. Proceedings of the National
Academy of Sciences. National Academy of Sciences. https://doi.org/10.1073/pnas.2417025122
chicago: Chiossi, Heloisa S. C., Michele Nardin, Gašper Tkačik, and Jozsef L Csicsvari.
“Learning Reshapes the Hippocampal Representation Hierarchy.” Proceedings of
the National Academy of Sciences. National Academy of Sciences, 2025. https://doi.org/10.1073/pnas.2417025122.
ieee: H. S. C. Chiossi, M. Nardin, G. Tkačik, and J. L. Csicsvari, “Learning reshapes
the hippocampal representation hierarchy,” Proceedings of the National Academy
of Sciences, vol. 122, no. 11. National Academy of Sciences, 2025.
ista: Chiossi HSC, Nardin M, Tkačik G, Csicsvari JL. 2025. Learning reshapes the
hippocampal representation hierarchy. Proceedings of the National Academy of Sciences.
122(11), e2417025122.
mla: Chiossi, Heloisa S. C., et al. “Learning Reshapes the Hippocampal Representation
Hierarchy.” Proceedings of the National Academy of Sciences, vol. 122,
no. 11, e2417025122, National Academy of Sciences, 2025, doi:10.1073/pnas.2417025122.
short: H.S.C. Chiossi, M. Nardin, G. Tkačik, J.L. Csicsvari, Proceedings of the
National Academy of Sciences 122 (2025).
corr_author: '1'
date_created: 2025-03-25T07:38:35Z
date_published: 2025-03-10T00:00:00Z
date_updated: 2026-05-06T13:12:01Z
day: '10'
ddc:
- '570'
department:
- _id: GaTk
- _id: JoCs
doi: 10.1073/pnas.2417025122
ec_funded: 1
external_id:
isi:
- '001459499500001'
pmid:
- '40063792'
file:
- access_level: open_access
checksum: 1217207c254553154faa065964990988
content_type: application/pdf
creator: dernst
date_created: 2025-03-25T07:49:04Z
date_updated: 2025-03-25T07:49:04Z
file_id: '19454'
file_name: 2025_PNAS_Chiossi.pdf
file_size: 1553502
relation: main_file
success: 1
file_date_updated: 2025-03-25T07:49:04Z
has_accepted_license: '1'
intvolume: ' 122'
isi: 1
issue: '11'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
month: '03'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: Proceedings of the National Academy of Sciences
publication_identifier:
eissn:
- 1091-6490
issn:
- 0027-8424
publication_status: published
publisher: National Academy of Sciences
quality_controlled: '1'
related_material:
link:
- relation: software
url: https://github.com/hchiossi/hpc-hierarchy
record:
- id: '18991'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Learning reshapes the hippocampal representation hierarchy
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: 122
year: '2025'
...
---
OA_type: closed access
_id: '19465'
article_number: '415'
article_processing_charge: No
article_type: letter_note
author:
- first_name: Carrie A
full_name: Bernecky, Carrie A
id: 2CB9DFE2-F248-11E8-B48F-1D18A9856A87
last_name: Bernecky
orcid: 0000-0003-0893-7036
citation:
ama: Bernecky C. Understanding the machinery that reads the genome. Nature Reviews
Molecular Cell Biology. 2025;26. doi:10.1038/s41580-025-00844-1
apa: Bernecky, C. (2025). Understanding the machinery that reads the genome. Nature
Reviews Molecular Cell Biology. Springer Nature. https://doi.org/10.1038/s41580-025-00844-1
chicago: Bernecky, Carrie. “Understanding the Machinery That Reads the Genome.”
Nature Reviews Molecular Cell Biology. Springer Nature, 2025. https://doi.org/10.1038/s41580-025-00844-1.
ieee: C. Bernecky, “Understanding the machinery that reads the genome,” Nature
Reviews Molecular Cell Biology, vol. 26. Springer Nature, 2025.
ista: Bernecky C. 2025. Understanding the machinery that reads the genome. Nature
Reviews Molecular Cell Biology. 26, 415.
mla: Bernecky, Carrie. “Understanding the Machinery That Reads the Genome.” Nature
Reviews Molecular Cell Biology, vol. 26, 415, Springer Nature, 2025, doi:10.1038/s41580-025-00844-1.
short: C. Bernecky, Nature Reviews Molecular Cell Biology 26 (2025).
corr_author: '1'
date_created: 2025-03-31T10:07:22Z
date_published: 2025-06-01T00:00:00Z
date_updated: 2025-09-30T11:20:36Z
day: '01'
department:
- _id: CaBe
doi: 10.1038/s41580-025-00844-1
external_id:
isi:
- '001455740100001'
pmid:
- '40155512'
intvolume: ' 26'
isi: 1
language:
- iso: eng
month: '06'
oa_version: None
pmid: 1
publication: Nature Reviews Molecular Cell Biology
publication_identifier:
eissn:
- 1471-0080
issn:
- 1471-0072
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Understanding the machinery that reads the genome
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 26
year: '2025'
...
---
OA_place: repository
OA_type: green
_id: '19496'
abstract:
- lang: eng
text: We introduce the notions of scale for sets and measures on metric space by
generalizing the usual notions of dimension. Several versions of scales are introduced
such as Hausdorff, packing, box, local and quantization. They are defined for
different growth, allowing a refined study of infinite dimensional spaces. We
prove general theorems comparing the different versions of scales. They are applied
to describe geometries of ergodic decompositions, of the Wiener measure and from
functional spaces. The first application solves a problem of Berger on the notions
of emergence (2020); the second lies in the geometry of the Wiener measure and
extends the work of Dereich–Lifshits (2005); the last refines Kolmogorov–Tikhomirov
(1958) study on finitely differentiable functions.
article_number: '15'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Mathieu
full_name: Helfter, Mathieu
id: 7d296fbe-e2c6-11ee-84d3-d5c2945f9a57
last_name: Helfter
citation:
ama: Helfter M. Scales. Mathematische Zeitschrift. 2025;310. doi:10.1007/s00209-025-03719-5
apa: Helfter, M. (2025). Scales. Mathematische Zeitschrift. Springer Nature.
https://doi.org/10.1007/s00209-025-03719-5
chicago: Helfter, Mathieu. “Scales.” Mathematische Zeitschrift. Springer
Nature, 2025. https://doi.org/10.1007/s00209-025-03719-5.
ieee: M. Helfter, “Scales,” Mathematische Zeitschrift, vol. 310. Springer
Nature, 2025.
ista: Helfter M. 2025. Scales. Mathematische Zeitschrift. 310, 15.
mla: Helfter, Mathieu. “Scales.” Mathematische Zeitschrift, vol. 310, 15,
Springer Nature, 2025, doi:10.1007/s00209-025-03719-5.
short: M. Helfter, Mathematische Zeitschrift 310 (2025).
corr_author: '1'
date_created: 2025-04-06T22:01:32Z
date_published: 2025-05-01T00:00:00Z
date_updated: 2025-09-30T11:31:00Z
day: '01'
department:
- _id: VaKa
doi: 10.1007/s00209-025-03719-5
external_id:
arxiv:
- '2206.05231'
isi:
- '001450830300001'
intvolume: ' 310'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2206.05231
month: '05'
oa: 1
oa_version: Preprint
publication: Mathematische Zeitschrift
publication_identifier:
eissn:
- 1432-1823
issn:
- 0025-5874
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Scales
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 310
year: '2025'
...
---
OA_place: repository
OA_type: green
_id: '19497'
abstract:
- lang: eng
text: The stochastic gravitational wave (GW) background recently discovered by several
pulsar timing array experiments is consistent with arising from a population of
coalescing super-massive black hole binaries. The amplitude of the background
is somewhat higher than expected in most previous population models or from the
local mass density observations. Such binaries are expected to be produced in
galaxy mergers, which are also thought to trigger bright quasar activity. Under
the assumptions that (i) a fraction fbin∼1 of all quasars are associated with
mergers, (ii) the typical quasar lifetime is tQ∼108 yr, and (iii) adopting Eddington
ratios fEdd∼0.25 for the luminosity of quasars, we compute the GW background associated
directly with the empirically measured quasar luminosity function. This approach
bypasses the need to model the cosmological evolution of black holes or galaxy
mergers from simulations or semi-analytical models. We find the amplitude matching
the value measured by NANOGrav. Our results are consistent with most quasars being
associated with black hole binaries and being the sources of the GW background,
and imply a joint constraint on tQ, fEdd and the typical mass ratio q≡M2/M1. The
signal in this case would be dominated by relatively distant ∼109M⊙ sources at
z≈2−3, at the peak of quasar activity. Similarly to other models, our results
remain in tension with the local super-massive black hole mass density.
acknowledgement: We thank Chengcheng Xin and Girish Kulkarni for useful discussions.
ZH gratefully acknowledges the hospitality of Eötvös University during an extended
sabbatical visit, where this work began. ZH acknowledges support from NSF Grant
AST-2006176 and NASA Grants 80NSSC22K0822 and 80NSSC24K0440. ZF acknowledges support
from the Hungarian National Research, Development and Innovation Office (NKFIH)
through the Institutional Excellence Program No. TKP2021-NKTA-64.
article_number: '075007'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Ágnes
full_name: Kis-Tóth, Ágnes
last_name: Kis-Tóth
- first_name: Zoltán
full_name: Haiman, Zoltán
id: 7c006e8c-cc0d-11ee-8322-cb904ef76f36
last_name: Haiman
orcid: 0000-0003-3633-5403
- first_name: Zsolt
full_name: Frei, Zsolt
last_name: Frei
citation:
ama: Kis-Tóth Á, Haiman Z, Frei Z. Can quasars, triggered by mergers, account for
NANOGrav’s stochastic gravitational wave background? Classical and Quantum
Gravity. 2025;42(7). doi:10.1088/1361-6382/adbda6
apa: Kis-Tóth, Á., Haiman, Z., & Frei, Z. (2025). Can quasars, triggered by
mergers, account for NANOGrav’s stochastic gravitational wave background? Classical
and Quantum Gravity. IOP Publishing. https://doi.org/10.1088/1361-6382/adbda6
chicago: Kis-Tóth, Ágnes, Zoltán Haiman, and Zsolt Frei. “Can Quasars, Triggered
by Mergers, Account for NANOGrav’s Stochastic Gravitational Wave Background?”
Classical and Quantum Gravity. IOP Publishing, 2025. https://doi.org/10.1088/1361-6382/adbda6.
ieee: Á. Kis-Tóth, Z. Haiman, and Z. Frei, “Can quasars, triggered by mergers, account
for NANOGrav’s stochastic gravitational wave background?,” Classical and Quantum
Gravity, vol. 42, no. 7. IOP Publishing, 2025.
ista: Kis-Tóth Á, Haiman Z, Frei Z. 2025. Can quasars, triggered by mergers, account
for NANOGrav’s stochastic gravitational wave background? Classical and Quantum
Gravity. 42(7), 075007.
mla: Kis-Tóth, Ágnes, et al. “Can Quasars, Triggered by Mergers, Account for NANOGrav’s
Stochastic Gravitational Wave Background?” Classical and Quantum Gravity,
vol. 42, no. 7, 075007, IOP Publishing, 2025, doi:10.1088/1361-6382/adbda6.
short: Á. Kis-Tóth, Z. Haiman, Z. Frei, Classical and Quantum Gravity 42 (2025).
date_created: 2025-04-06T22:01:32Z
date_published: 2025-04-04T00:00:00Z
date_updated: 2025-09-30T11:30:11Z
day: '04'
department:
- _id: ZoHa
doi: 10.1088/1361-6382/adbda6
external_id:
arxiv:
- '2412.12726'
isi:
- '001448904700001'
intvolume: ' 42'
isi: 1
issue: '7'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2412.12726
month: '04'
oa: 1
oa_version: Preprint
publication: Classical and Quantum Gravity
publication_identifier:
eissn:
- 1361-6382
issn:
- 0264-9381
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Can quasars, triggered by mergers, account for NANOGrav’s stochastic gravitational
wave background?
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 42
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19499'
abstract:
- lang: eng
text: Quantum hardware is inherently fragile and noisy. We find that the accuracy
of traditional quantum error correction algorithms can be improved depending on
the hardware. Given different hardware specifications, we automatically synthesize
hardware-optimal algorithms for parity correction, qubit resetting, and GHZ (Greenberger–Horne–Zeilinger)
state preparation. Using stochastic techniques from computer science, our method
presents a computational tool to compute exact accuracy guarantees and synthesize
optimal algorithms that are often different from traditional ones. We also show
that improvements can be gained with respect to the Qiskit transpiler as we compute
the hardware-optimal qubit mapping for the GHZ state-preparation problem.
acknowledgement: We thank the reviewers. In particular, they inspired us to analyze
the reset and state-preparation problems, to compute optimal qubit mappings, and
to apply our method to a quantum error correction scheme that includes both bitflip
and phaseflip corrections. We also thank Raimundo Saona and Marek Chalupa for their
time spent in insightful discussions. This research was partially supported by the
European Research Council CoG 863818 (ForM-SMArt) grant.
article_number: e2419273122
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Stefanie
full_name: Muroya Lei, Stefanie
id: a376de31-8972-11ed-ae7b-d0251c13c8ff
last_name: Muroya Lei
- first_name: Krishnendu
full_name: Chatterjee, Krishnendu
id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
last_name: Chatterjee
orcid: 0000-0002-4561-241X
- first_name: Thomas A
full_name: Henzinger, Thomas A
id: 40876CD8-F248-11E8-B48F-1D18A9856A87
last_name: Henzinger
orcid: 0000-0002-2985-7724
citation:
ama: Muroya Lei S, Chatterjee K, Henzinger TA. Hardware-optimal quantum algorithms.
Proceedings of the National Academy of Sciences. 2025;122(12). doi:10.1073/pnas.2419273122
apa: Muroya Lei, S., Chatterjee, K., & Henzinger, T. A. (2025). Hardware-optimal
quantum algorithms. Proceedings of the National Academy of Sciences. National
Academy of Sciences. https://doi.org/10.1073/pnas.2419273122
chicago: Muroya Lei, Stefanie, Krishnendu Chatterjee, and Thomas A Henzinger. “Hardware-Optimal
Quantum Algorithms.” Proceedings of the National Academy of Sciences. National
Academy of Sciences, 2025. https://doi.org/10.1073/pnas.2419273122.
ieee: S. Muroya Lei, K. Chatterjee, and T. A. Henzinger, “Hardware-optimal quantum
algorithms,” Proceedings of the National Academy of Sciences, vol. 122,
no. 12. National Academy of Sciences, 2025.
ista: Muroya Lei S, Chatterjee K, Henzinger TA. 2025. Hardware-optimal quantum algorithms.
Proceedings of the National Academy of Sciences. 122(12), e2419273122.
mla: Muroya Lei, Stefanie, et al. “Hardware-Optimal Quantum Algorithms.” Proceedings
of the National Academy of Sciences, vol. 122, no. 12, e2419273122, National
Academy of Sciences, 2025, doi:10.1073/pnas.2419273122.
short: S. Muroya Lei, K. Chatterjee, T.A. Henzinger, Proceedings of the National
Academy of Sciences 122 (2025).
corr_author: '1'
date_created: 2025-04-06T22:01:32Z
date_published: 2025-03-25T00:00:00Z
date_updated: 2026-04-28T13:41:14Z
day: '25'
ddc:
- '000'
department:
- _id: KrCh
- _id: ToHe
doi: 10.1073/pnas.2419273122
ec_funded: 1
external_id:
isi:
- '001459435600001'
pmid:
- '40106357'
file:
- access_level: open_access
checksum: 83501b8a65ee5fdd3f5604fc28eddc22
content_type: application/pdf
creator: dernst
date_created: 2025-04-07T11:42:22Z
date_updated: 2025-04-07T11:42:22Z
file_id: '19524'
file_name: 2025_PNAS_Muroya.pdf
file_size: 6805668
relation: main_file
success: 1
file_date_updated: 2025-04-07T11:42:22Z
has_accepted_license: '1'
intvolume: ' 122'
isi: 1
issue: '12'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
publication: Proceedings of the National Academy of Sciences
publication_identifier:
eissn:
- 1091-6490
issn:
- 0027-8424
publication_status: published
publisher: National Academy of Sciences
quality_controlled: '1'
related_material:
link:
- relation: software
url: https://github.com/smml1996/algorithm_synthesis
- description: News on ISTA website
relation: press_release
url: https://ista.ac.at/en/news/hardware-optimal-quantum-algorithms/
scopus_import: '1'
status: public
title: Hardware-optimal quantum algorithms
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: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 122
year: '2025'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '19500'
abstract:
- lang: eng
text: We consider the Brown measure of the free circular Brownian motion, a+t√x
, with an arbitrary initial condition a , i.e. a is a general non-normal operator
and x is a circular element ∗ -free from a . We prove that, under a mild assumption
on a , the density of the Brown measure has one of the following two types of
behavior around each point on the boundary of its support -- either (i) sharp
cut, i.e. a jump discontinuity along the boundary, or (ii) quadratic decay at
certain critical points on the boundary. Our result is in direct analogy with
the previously known phenomenon for the spectral density of free semicircular
Brownian motion, whose singularities are either a square-root edge or a cubic
cusp. We also provide several examples and counterexamples, one of which shows
that our assumption on a is necessary.
acknowledgement: We thank Ping Zhong for pointing out references [15,19] and providing
helpful comments. We also thank the anonymous referee for many valuable comments
and proposals to streamline the presentation. This work was partially supported
by ERC Advanced Grant “RMTBeyond” No. 10102033.
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: László
full_name: Erdös, László
id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
last_name: Erdös
orcid: 0000-0001-5366-9603
- first_name: Hong Chang
full_name: Ji, Hong Chang
last_name: Ji
citation:
ama: Erdös L, Ji HC. Density of Brown measure of free circular Brownian motion.
Documenta Mathematica. 2025;30(2):417-453. doi:10.4171/DM/999
apa: Erdös, L., & Ji, H. C. (2025). Density of Brown measure of free circular
Brownian motion. Documenta Mathematica. EMS Press. https://doi.org/10.4171/DM/999
chicago: Erdös, László, and Hong Chang Ji. “Density of Brown Measure of Free Circular
Brownian Motion.” Documenta Mathematica. EMS Press, 2025. https://doi.org/10.4171/DM/999.
ieee: L. Erdös and H. C. Ji, “Density of Brown measure of free circular Brownian
motion,” Documenta Mathematica, vol. 30, no. 2. EMS Press, pp. 417–453,
2025.
ista: Erdös L, Ji HC. 2025. Density of Brown measure of free circular Brownian motion.
Documenta Mathematica. 30(2), 417–453.
mla: Erdös, László, and Hong Chang Ji. “Density of Brown Measure of Free Circular
Brownian Motion.” Documenta Mathematica, vol. 30, no. 2, EMS Press, 2025,
pp. 417–53, doi:10.4171/DM/999.
short: L. Erdös, H.C. Ji, Documenta Mathematica 30 (2025) 417–453.
corr_author: '1'
date_created: 2025-04-06T22:01:32Z
date_published: 2025-03-20T00:00:00Z
date_updated: 2025-09-30T11:28:02Z
day: '20'
ddc:
- '510'
department:
- _id: LaEr
doi: 10.4171/DM/999
ec_funded: 1
external_id:
arxiv:
- '2307.08626'
isi:
- '001450119900005'
file:
- access_level: open_access
checksum: 97a02d18c05f2b9f2048747b140e7d43
content_type: application/pdf
creator: dernst
date_created: 2025-04-07T11:21:13Z
date_updated: 2025-04-07T11:21:13Z
file_id: '19523'
file_name: 2025_DocumentaMathematica_Erdoes.pdf
file_size: 1366865
relation: main_file
success: 1
file_date_updated: 2025-04-07T11:21:13Z
has_accepted_license: '1'
intvolume: ' 30'
isi: 1
issue: '2'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
page: 417-453
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
call_identifier: H2020
grant_number: '101020331'
name: Random matrices beyond Wigner-Dyson-Mehta
publication: Documenta Mathematica
publication_identifier:
eissn:
- 1431-0643
issn:
- 1431-0635
publication_status: published
publisher: EMS Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Density of Brown measure of free circular Brownian motion
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: 30
year: '2025'
...
---
OA_place: repository
OA_type: green
_id: '19502'
abstract:
- lang: eng
text: Alkali dimers, Ak2, located on the surface of a helium nanodroplet, are set
into rotation through the polarizability interaction with a nonresonant 1-ps-long
laser pulse. The time-dependent degree of alignment is recorded using femtosecond-probe-pulse-induced
Coulomb explosion into a pair of Ak+ fragment ions. The results, obtained for
Na2, K2, and Rb2 in both the ground state 11Σ+g and the lowest-lying triplet state
13Σ+u, exhibit distinct, periodic revivals with a gradually decreasing amplitude.
The dynamics differ from that expected for dimers had they behaved as free rotors.
Numerically, we solve the time-dependent rotational Schrödinger equation, including
an effective mean-field potential to describe the interaction between the dimer
and the droplet. The experimental and simulated alignment dynamics agree well
and their comparison enables us to determine the effective rotational constants
of the alkali dimers with the exception of Rb2(13Σ+u) that only exhibits a prompt
alignment peak but no subsequent revivals. For Na2(13Σ+u), K2(11Σ+g), K2(13Σ+u)
and Rb2(11Σ+g), the alignment dynamics are well-described by a 2D rotor model.
We ascribe this to a significant confinement of the internuclear axis of these
dimers, induced by the orientation-dependent droplet-dimer interaction, to the
tangential plane of their residence point on the droplet.
acknowledgement: H.S. acknowledges support from the Villum Foundation through a Villum
Investigator Grant No. 25886. We thank Jan Thøgersen for expert help with the optics
and the laser system.
article_number: '033114'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Henrik H.
full_name: Kristensen, Henrik H.
last_name: Kristensen
- first_name: Lorenz
full_name: Kranabetter, Lorenz
last_name: Kranabetter
- first_name: Areg
full_name: Ghazaryan, Areg
id: 4AF46FD6-F248-11E8-B48F-1D18A9856A87
last_name: Ghazaryan
orcid: 0000-0001-9666-3543
- first_name: Constant A.
full_name: Schouder, Constant A.
last_name: Schouder
- first_name: Emil
full_name: Hansen, Emil
last_name: Hansen
- first_name: Frank
full_name: Jensen, Frank
last_name: Jensen
- first_name: Robert E.
full_name: Zillich, Robert E.
last_name: Zillich
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Henrik
full_name: Stapelfeldt, Henrik
last_name: Stapelfeldt
citation:
ama: Kristensen HH, Kranabetter L, Ghazaryan A, et al. Nonadiabatic laser-induced
alignment dynamics of alkali-metal dimers on the surface of a helium droplet.
Physical Review A. 2025;111(3). doi:10.1103/PhysRevA.111.033114
apa: Kristensen, H. H., Kranabetter, L., Ghazaryan, A., Schouder, C. A., Hansen,
E., Jensen, F., … Stapelfeldt, H. (2025). Nonadiabatic laser-induced alignment
dynamics of alkali-metal dimers on the surface of a helium droplet. Physical
Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.111.033114
chicago: Kristensen, Henrik H., Lorenz Kranabetter, Areg Ghazaryan, Constant A.
Schouder, Emil Hansen, Frank Jensen, Robert E. Zillich, Mikhail Lemeshko, and
Henrik Stapelfeldt. “Nonadiabatic Laser-Induced Alignment Dynamics of Alkali-Metal
Dimers on the Surface of a Helium Droplet.” Physical Review A. American
Physical Society, 2025. https://doi.org/10.1103/PhysRevA.111.033114.
ieee: H. H. Kristensen et al., “Nonadiabatic laser-induced alignment dynamics
of alkali-metal dimers on the surface of a helium droplet,” Physical Review
A, vol. 111, no. 3. American Physical Society, 2025.
ista: Kristensen HH, Kranabetter L, Ghazaryan A, Schouder CA, Hansen E, Jensen F,
Zillich RE, Lemeshko M, Stapelfeldt H. 2025. Nonadiabatic laser-induced alignment
dynamics of alkali-metal dimers on the surface of a helium droplet. Physical Review
A. 111(3), 033114.
mla: Kristensen, Henrik H., et al. “Nonadiabatic Laser-Induced Alignment Dynamics
of Alkali-Metal Dimers on the Surface of a Helium Droplet.” Physical Review
A, vol. 111, no. 3, 033114, American Physical Society, 2025, doi:10.1103/PhysRevA.111.033114.
short: H.H. Kristensen, L. Kranabetter, A. Ghazaryan, C.A. Schouder, E. Hansen,
F. Jensen, R.E. Zillich, M. Lemeshko, H. Stapelfeldt, Physical Review A 111 (2025).
date_created: 2025-04-06T22:01:32Z
date_published: 2025-03-21T00:00:00Z
date_updated: 2025-09-30T11:27:25Z
day: '21'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.111.033114
external_id:
arxiv:
- '2502.14521'
isi:
- '001459727400007'
intvolume: ' 111'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2502.14521
month: '03'
oa: 1
oa_version: Preprint
publication: Physical Review A
publication_identifier:
eissn:
- 2469-9934
issn:
- 2469-9926
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Nonadiabatic laser-induced alignment dynamics of alkali-metal dimers on the
surface of a helium droplet
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 111
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19503'
abstract:
- lang: eng
text: "A tantalizing open problem, posed independently by Stiebitz in 1995 and by
Alon in 1996 and again in 2006, asks whether for every pair of integers s,t≥1
there exists a finite number F(s,t)\r\nsuch that the vertex set of every digraph
of minimum out-degree at least F(s,t) can be partitioned into non-empty parts
\ A and B such that the subdigraphs induced on A\r\n and B have minimum
out-degree at least s and t , respectively.\r\nIn this short note, we prove
that if F(2,2) exists, then all the numbers F(s,t) with s,t≥1\r\n exist
and satisfy F(s,t)=Θ(s+t) . In consequence, the problem of Alon and Stiebitz
reduces to the case s=t=2 . Moreover, the numbers F(s,t) with s,t≥2 either
all exist and grow linearly, or all of them do not exist."
acknowledgement: Funded by SNSF Ambizione grant No. 216071. This project has received
funding from the European Union’s Horizon 2020 research and innovation programme
under the Marie Skłodowska-Curie grant agreement No, 101034413. Funded by SNSF grant
CRSII5, 173721.
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Micha
full_name: Christoph, Micha
last_name: Christoph
- first_name: Kalina H
full_name: Petrova, Kalina H
id: 554ff4e4-f325-11ee-b0c4-a10dbd523381
last_name: Petrova
- first_name: Raphael
full_name: Steiner, Raphael
last_name: Steiner
citation:
ama: Christoph M, Petrova KH, Steiner R. A note on digraph splitting. Combinatorics
Probability and Computing. 2025;34(4):559-564. doi:10.1017/S0963548325000045
apa: Christoph, M., Petrova, K. H., & Steiner, R. (2025). A note on digraph
splitting. Combinatorics Probability and Computing. Cambridge University
Press. https://doi.org/10.1017/S0963548325000045
chicago: Christoph, Micha, Kalina H Petrova, and Raphael Steiner. “A Note on Digraph
Splitting.” Combinatorics Probability and Computing. Cambridge University
Press, 2025. https://doi.org/10.1017/S0963548325000045.
ieee: M. Christoph, K. H. Petrova, and R. Steiner, “A note on digraph splitting,”
Combinatorics Probability and Computing, vol. 34, no. 4. Cambridge University
Press, pp. 559–564, 2025.
ista: Christoph M, Petrova KH, Steiner R. 2025. A note on digraph splitting. Combinatorics
Probability and Computing. 34(4), 559–564.
mla: Christoph, Micha, et al. “A Note on Digraph Splitting.” Combinatorics Probability
and Computing, vol. 34, no. 4, Cambridge University Press, 2025, pp. 559–64,
doi:10.1017/S0963548325000045.
short: M. Christoph, K.H. Petrova, R. Steiner, Combinatorics Probability and Computing
34 (2025) 559–564.
date_created: 2025-04-06T22:01:32Z
date_published: 2025-07-01T00:00:00Z
date_updated: 2025-09-30T11:26:00Z
day: '01'
ddc:
- '510'
department:
- _id: MaKw
doi: 10.1017/S0963548325000045
ec_funded: 1
external_id:
arxiv:
- '2310.08449'
isi:
- '001449245700001'
file:
- access_level: open_access
checksum: 98491e59b4f0d05d69f608bbd5706f1a
content_type: application/pdf
creator: dernst
date_created: 2025-08-05T12:54:06Z
date_updated: 2025-08-05T12:54:06Z
file_id: '20135'
file_name: 2025_CombProbComputing_Christoph.pdf
file_size: 188818
relation: main_file
success: 1
file_date_updated: 2025-08-05T12:54:06Z
has_accepted_license: '1'
intvolume: ' 34'
isi: 1
issue: '4'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 559-564
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Combinatorics Probability and Computing
publication_identifier:
eissn:
- 1469-2163
issn:
- 0963-5483
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: A note on digraph splitting
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: 34
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19504'
abstract:
- lang: eng
text: Observational studies have shown that galaxy disks were already in place in
the first few billion years of the Universe. The early disks detected so far,
with typical half-light radii of 3 kpc at stellar masses around 1011 M⊙ for redshift
z ≈ 3, are significantly smaller than today’s disks with similar masses, which
is in agreement with expectations from current galaxy models. Here we report observations
of a giant disk at z = 3.25, when the Universe was only two billion years old,
with a half-light radius of 9.6 kpc and stellar mass of (math formular). This
galaxy is larger than any other kinematically confirmed disks at similar epochs
and is surprisingly similar to today’s largest disks with regard to size and mass.
James Webb Space Telescope imaging and spectroscopy reveal its spiral morphology
and a rotational velocity consistent with a local Tully–Fisher relationship. Multiwavelength
observations show that it lies in an exceptionally dense environment, where the
galaxy number density is more than ten times higher than the cosmic average and
mergers are frequent. The discovery of such a giant disk suggests the presence
of favourable physical conditions for large-disk formation in dense environments
in the early Universe, which may include efficient accretion of gas carrying coherent
angular momentum and non-destructive mergers between exceptionally gas-rich progenitor
galaxies.
acknowledgement: We thank B. Wang, P. Madau, M. Dotti, A. de la Vega, Y. Guo, C. Bacchini,
Z. Cai, C. Conselice, A. Dekel, S. Faber, F. Fraternali, L. Ho, F. Jiang, S. Kassin,
D. Koo, N. Mandelker, S. Mao and D. Xu for the valuable and insightful discussions
regarding the research topics relevant to this paper. This project was supported
by the European Research Council (ERC) Consolidator Grant no. 864361 (CosmicWeb).
A.P. acknowledges the support from Fondazione Cariplo grant no. 2020-0902. M.V.M.
acknowledges funding from NASA by means of HST-GO-17065. T.N. acknowledges support
from Australian Research Council Laureate Fellowship FL180100060. This work is based
in part on observations made with the NASA/ESA/CSA James Webb Space Telescope. 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 programme no. 1835. Support for programme no. 1835 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. This research is based on observations made with the NASA/ESA Hubble
Space Telescope obtained from the Space Telescope Science Institute, which is operated
by the Association of Universities for Research in Astronomy, Inc., under NASA contract
NAS 5-26555. These observations are associated with programme 17065. ALMA is a partnership
of ESO (representing its member states), NSF (USA) and NINS (Japan), together with
NRC (Canada), MOST and ASIAA (Taiwan), and KASI (Republic of Korea), in cooperation
with the Republic of Chile. The Joint ALMA Observatory is operated by ESO, AUI/NRAO
and NAOJ. The scientific results reported in this article are based in part on observations
made by the Chandra X-ray Observatory. This work is also based on observations collected
at the European Southern Observatory under ESO programme 110.23ZX.
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Weichen
full_name: Wang, Weichen
last_name: Wang
- first_name: Sebastiano
full_name: Cantalupo, Sebastiano
last_name: Cantalupo
- first_name: Antonio
full_name: Pensabene, Antonio
last_name: Pensabene
- first_name: Marta
full_name: Galbiati, Marta
last_name: Galbiati
- first_name: Andrea
full_name: Travascio, Andrea
last_name: Travascio
- first_name: Charles C.
full_name: Steidel, Charles C.
last_name: Steidel
- first_name: Michael V.
full_name: Maseda, Michael V.
last_name: Maseda
- first_name: Gabriele
full_name: Pezzulli, Gabriele
last_name: Pezzulli
- first_name: Stephanie
full_name: De Beer, Stephanie
last_name: De Beer
- first_name: Matteo
full_name: Fossati, Matteo
last_name: Fossati
- first_name: Michele
full_name: Fumagalli, Michele
last_name: Fumagalli
- first_name: Sofia G.
full_name: Gallego, Sofia G.
last_name: Gallego
- first_name: Titouan
full_name: Lazeyras, Titouan
last_name: Lazeyras
- first_name: Ruari
full_name: Mackenzie, Ruari
last_name: Mackenzie
- 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: Themiya
full_name: Nanayakkara, Themiya
last_name: Nanayakkara
- first_name: Giada
full_name: Quadri, Giada
last_name: Quadri
citation:
ama: Wang W, Cantalupo S, Pensabene A, et al. A giant disk galaxy two billion years
after the Big Bang. Nature Astronomy. 2025;9:710-719. doi:10.1038/s41550-025-02500-2
apa: Wang, W., Cantalupo, S., Pensabene, A., Galbiati, M., Travascio, A., Steidel,
C. C., … Quadri, G. (2025). A giant disk galaxy two billion years after the Big
Bang. Nature Astronomy. Springer Nature. https://doi.org/10.1038/s41550-025-02500-2
chicago: Wang, Weichen, Sebastiano Cantalupo, Antonio Pensabene, Marta Galbiati,
Andrea Travascio, Charles C. Steidel, Michael V. Maseda, et al. “A Giant Disk
Galaxy Two Billion Years after the Big Bang.” Nature Astronomy. Springer
Nature, 2025. https://doi.org/10.1038/s41550-025-02500-2.
ieee: W. Wang et al., “A giant disk galaxy two billion years after the Big
Bang,” Nature Astronomy, vol. 9. Springer Nature, pp. 710–719, 2025.
ista: Wang W, Cantalupo S, Pensabene A, Galbiati M, Travascio A, Steidel CC, Maseda
MV, Pezzulli G, De Beer S, Fossati M, Fumagalli M, Gallego SG, Lazeyras T, Mackenzie
R, Matthee JJ, Nanayakkara T, Quadri G. 2025. A giant disk galaxy two billion
years after the Big Bang. Nature Astronomy. 9, 710–719.
mla: Wang, Weichen, et al. “A Giant Disk Galaxy Two Billion Years after the Big
Bang.” Nature Astronomy, vol. 9, Springer Nature, 2025, pp. 710–19, doi:10.1038/s41550-025-02500-2.
short: W. Wang, S. Cantalupo, A. Pensabene, M. Galbiati, A. Travascio, C.C. Steidel,
M.V. Maseda, G. Pezzulli, S. De Beer, M. Fossati, M. Fumagalli, S.G. Gallego,
T. Lazeyras, R. Mackenzie, J.J. Matthee, T. Nanayakkara, G. Quadri, Nature Astronomy
9 (2025) 710–719.
date_created: 2025-04-06T22:01:32Z
date_published: 2025-03-17T00:00:00Z
date_updated: 2025-09-30T11:25:14Z
day: '17'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.1038/s41550-025-02500-2
external_id:
arxiv:
- '2409.17956'
isi:
- '001447477100001'
pmid:
- '40417329'
file:
- access_level: open_access
checksum: a0e65fe3374bd755b18ba03fd5e42a3f
content_type: application/pdf
creator: dernst
date_created: 2025-08-05T12:49:36Z
date_updated: 2025-08-05T12:49:36Z
file_id: '20134'
file_name: 2025_NatureAstronomy_Wang.pdf
file_size: 4912850
relation: main_file
success: 1
file_date_updated: 2025-08-05T12:49:36Z
has_accepted_license: '1'
intvolume: ' 9'
isi: 1
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
page: 710-719
pmid: 1
publication: Nature Astronomy
publication_identifier:
eissn:
- 2397-3366
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: A giant disk galaxy two billion years after the Big Bang
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: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9
year: '2025'
...
---
OA_place: repository
OA_type: green
_id: '19505'
abstract:
- lang: eng
text: In this paper, we introduce and study the primitive equations with non-isothermal
turbulent pressure and transport noise. They are derived from the Navier–Stokes
equations by employing stochastic versions of the Boussinesq and the hydrostatic
approximations. The temperature dependence of the turbulent pressure can be seen
as a consequence of an additive noise acting on the small vertical dynamics. For
such a model we prove global well-posedness in H^1 where the noise is considered
in both the Itô and Stratonovich formulations. Compared to previous variants of
the primitive equations, the one considered here presents a more intricate coupling
between the velocity field and the temperature. The corresponding analysis is
seriously more involved than in the deterministic setting. Finally, the continuous
dependence on the initial data and the energy estimates proven here are new, even
in the case of isothermal turbulent pressure.
acknowledgement: "The first author thanks Umberto Pappalettera for helpful suggestions
on Section 2 and for bringing to his attention the reference [56]. The first author
is grateful to Marco Romito for helpful comments related to Remarks 2.1 and 2.2.
Finally, the first author thanks Caterina Balzotti for her support in creating the
picture.\r\nAntonio Agresti has received funding from the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation programme
(grant agreement No 948819). Antonio Agresti is a member of GNAMPA (INδAM).\r\nMatthias
Hieber gratefully acknowledges the support by the Deutsche Forschungsgemeinschaft
(DFG) through the Research Unit 5528—project number 500072446.\r\nAmru Hussein has
been supported by Deutsche Forschungsgemeinschaft (DFG)—project\r\nnumber 508634462
and by MathApp—Mathematics Applied to Real-World Problems—part\r\nof the Research
Initiative of the Federal State of Rhineland-Palatinate, Germany.\r\nMartin Saal
has been supported by Deutsche Forschungsgemeinschaft (DFG)—project\r\nnumber 429483464."
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Antonio
full_name: Agresti, Antonio
id: 673cd0cc-9b9a-11eb-b144-88f30e1fbb72
last_name: Agresti
orcid: 0000-0002-9573-2962
- first_name: Matthias
full_name: Hieber, Matthias
last_name: Hieber
- first_name: Amru
full_name: Hussein, Amru
last_name: Hussein
- first_name: Martin
full_name: Saal, Martin
last_name: Saal
citation:
ama: Agresti A, Hieber M, Hussein A, Saal M. The stochastic primitive equations
with nonisothermal turbulent pressure. Annals of Applied Probability. 2025;35(1):635-700.
doi:10.1214/24-AAP2124
apa: Agresti, A., Hieber, M., Hussein, A., & Saal, M. (2025). The stochastic
primitive equations with nonisothermal turbulent pressure. Annals of Applied
Probability. Institute of Mathematical Statistics. https://doi.org/10.1214/24-AAP2124
chicago: Agresti, Antonio, Matthias Hieber, Amru Hussein, and Martin Saal. “The
Stochastic Primitive Equations with Nonisothermal Turbulent Pressure.” Annals
of Applied Probability. Institute of Mathematical Statistics, 2025. https://doi.org/10.1214/24-AAP2124.
ieee: A. Agresti, M. Hieber, A. Hussein, and M. Saal, “The stochastic primitive
equations with nonisothermal turbulent pressure,” Annals of Applied Probability,
vol. 35, no. 1. Institute of Mathematical Statistics, pp. 635–700, 2025.
ista: Agresti A, Hieber M, Hussein A, Saal M. 2025. The stochastic primitive equations
with nonisothermal turbulent pressure. Annals of Applied Probability. 35(1), 635–700.
mla: Agresti, Antonio, et al. “The Stochastic Primitive Equations with Nonisothermal
Turbulent Pressure.” Annals of Applied Probability, vol. 35, no. 1, Institute
of Mathematical Statistics, 2025, pp. 635–700, doi:10.1214/24-AAP2124.
short: A. Agresti, M. Hieber, A. Hussein, M. Saal, Annals of Applied Probability
35 (2025) 635–700.
date_created: 2025-04-06T22:01:32Z
date_published: 2025-02-01T00:00:00Z
date_updated: 2025-09-30T11:23:58Z
day: '01'
department:
- _id: JuFi
doi: 10.1214/24-AAP2124
ec_funded: 1
external_id:
arxiv:
- '2210.05973'
isi:
- '001434322900016'
intvolume: ' 35'
isi: 1
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2210.05973
month: '02'
oa: 1
oa_version: Preprint
page: 635-700
project:
- _id: 0aa76401-070f-11eb-9043-b5bb049fa26d
call_identifier: H2020
grant_number: '948819'
name: Bridging Scales in Random Materials
publication: Annals of Applied Probability
publication_identifier:
issn:
- 1050-5164
publication_status: published
publisher: Institute of Mathematical Statistics
quality_controlled: '1'
scopus_import: '1'
status: public
title: The stochastic primitive equations with nonisothermal turbulent pressure
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 35
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '19506'
abstract:
- lang: eng
text: 'Hippocampal reactivation of waking neuronal assemblies in sleep is a key
initial step of systems consolidation. Nevertheless, it is unclear whether reactivated
assemblies are static or whether they reorganize gradually over prolonged sleep.
We tracked reactivated CA1 assembly patterns over ∼20 h of sleep/rest periods
and related them to assemblies seen before or after in a spatial learning paradigm
using rats. We found that reactivated assembly patterns were gradually transformed
and started to resemble those seen in the subsequent recall session. Periods of
rapid eye movement (REM) sleep and non-REM (NREM) had antagonistic roles: whereas
NREM accelerated the assembly drift, REM countered it. Moreover, only a subset
of rate-changing pyramidal cells contributed to the drift, whereas stable-firing-rate
cells maintained unaltered reactivation patterns. Our data suggest that prolonged
sleep promotes the spontaneous reorganization of spatial assemblies, which can
contribute to daily cognitive map changes or encoding new learning situations.'
acknowledgement: We thank Andrea Cumpelik, Lisa Genzel, and Freya Ólafsdóttir for
comments on an earlier version of the manuscript. This work was supported by the
European Research Council (281511) and Austrian Science Fund (FWF I3713).
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Lars
full_name: Bollmann, Lars
id: 47AD3038-F248-11E8-B48F-1D18A9856A87
last_name: Bollmann
- first_name: Peter
full_name: Baracskay, Peter
id: 361CC00E-F248-11E8-B48F-1D18A9856A87
last_name: Baracskay
- first_name: Federico
full_name: Stella, Federico
id: 39AF1E74-F248-11E8-B48F-1D18A9856A87
last_name: Stella
orcid: 0000-0001-9439-3148
- first_name: Jozsef L
full_name: Csicsvari, Jozsef L
id: 3FA14672-F248-11E8-B48F-1D18A9856A87
last_name: Csicsvari
orcid: 0000-0002-5193-4036
citation:
ama: Bollmann L, Baracskay P, Stella F, Csicsvari JL. Sleep stages antagonistically
modulate reactivation drift. Neuron. 2025;113(9):1446-1459.e6. doi:10.1016/j.neuron.2025.02.025
apa: Bollmann, L., Baracskay, P., Stella, F., & Csicsvari, J. L. (2025). Sleep
stages antagonistically modulate reactivation drift. Neuron. Elsevier.
https://doi.org/10.1016/j.neuron.2025.02.025
chicago: Bollmann, Lars, Peter Baracskay, Federico Stella, and Jozsef L Csicsvari.
“Sleep Stages Antagonistically Modulate Reactivation Drift.” Neuron. Elsevier,
2025. https://doi.org/10.1016/j.neuron.2025.02.025.
ieee: L. Bollmann, P. Baracskay, F. Stella, and J. L. Csicsvari, “Sleep stages antagonistically
modulate reactivation drift,” Neuron, vol. 113, no. 9. Elsevier, p. 1446–1459.e6,
2025.
ista: Bollmann L, Baracskay P, Stella F, Csicsvari JL. 2025. Sleep stages antagonistically
modulate reactivation drift. Neuron. 113(9), 1446–1459.e6.
mla: Bollmann, Lars, et al. “Sleep Stages Antagonistically Modulate Reactivation
Drift.” Neuron, vol. 113, no. 9, Elsevier, 2025, p. 1446–1459.e6, doi:10.1016/j.neuron.2025.02.025.
short: L. Bollmann, P. Baracskay, F. Stella, J.L. Csicsvari, Neuron 113 (2025) 1446–1459.e6.
corr_author: '1'
date_created: 2025-04-06T22:01:32Z
date_published: 2025-05-07T00:00:00Z
date_updated: 2026-04-28T13:39:22Z
day: '07'
ddc:
- '570'
department:
- _id: JoCs
doi: 10.1016/j.neuron.2025.02.025
ec_funded: 1
external_id:
isi:
- '001510440400001'
pmid:
- '40132588'
file:
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checksum: 5e57852a45a78a751dd3a5e807bf015f
content_type: application/pdf
creator: dernst
date_created: 2025-08-05T12:43:44Z
date_updated: 2025-08-05T12:43:44Z
file_id: '20133'
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file_date_updated: 2025-08-05T12:43:44Z
has_accepted_license: '1'
intvolume: ' 113'
isi: 1
issue: '9'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: 1446-1459.e6
pmid: 1
project:
- _id: 257A4776-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '281511'
name: Memory-related information processing in neuronal circuits of the hippocampus
and entorhinal cortex
- _id: 2654F984-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: I 3713-B27
name: Interneuro plasticity during spatial learning
publication: Neuron
publication_identifier:
eissn:
- 1097-4199
issn:
- 0896-6273
publication_status: published
publisher: Elsevier
quality_controlled: '1'
related_material:
link:
- description: News on ISTA website
relation: press_release
url: https://ista.ac.at/en/news/how-sleep-keeps-our-memories-fresh/
scopus_import: '1'
status: public
title: Sleep stages antagonistically modulate reactivation drift
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: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 113
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19507'
abstract:
- lang: eng
text: The epidermis provides a protective barrier against hostile environments.
However, our knowledge of how this barrier forms during development and is subsequently
maintained remains incomplete. The infundibulum is a cylindrical epidermal tissue
compartment that serves as an outlet for hair follicles protruding from the skin
and the excretion of the sebaceous glands that are essential for proper skin function.
In this study, we applied quantitative fate mapping to address how infundibulum
are maintained during adulthood. We demonstrate that progenitors build and maintain
tissues through stochastic cell fate choices. Long-term analysis identified a
preferential transient contribution from cells initially located at the bottom
of the structure to the maintenance of the tissue, with bursts of local progenitor
expansion associated with the phases of hair growth. Beyond providing compartment-wide
insights into progenitor cell dynamics in infundibulum, these findings demonstrate
how spatiotemporal regulation controls transient progenitor dominance.
acknowledgement: We thank the members of the Jensen Laboratory for experimental and
technical advice, the imaging facilities at reNEW, and animal caretakers for expert
assistance. This work was supported by the Lundbeck Foundation (R105-A9755 to KBJ)
and the Leo Pharma Foundation (LF-OC-20-000169). The Novo Nordisk Foundation Center
for Stem Cell Medicine was supported by a Novo Nordisk Foundation grant (NNF21CC0073729).
B.D.S. was supported by the Wellcome Trust (219478/Z/19/Z) and a Royal Society EP
Abraham Research Professorship (RP/R1/180165 and RP\R\231004). Figure elements were
adapted from Bio-Render. KBJ is the lead contact and guarantor of this study.
article_processing_charge: No
article_type: original
author:
- first_name: Marianne S.
full_name: Andersen, Marianne S.
last_name: Andersen
- first_name: Svetlana
full_name: Ulyanchenko, Svetlana
last_name: Ulyanchenko
- first_name: Pawel J.
full_name: Schweiger, Pawel J.
last_name: Schweiger
- first_name: Edouard B
full_name: Hannezo, Edouard B
id: 3A9DB764-F248-11E8-B48F-1D18A9856A87
last_name: Hannezo
orcid: 0000-0001-6005-1561
- first_name: Benjamin D.
full_name: Simons, Benjamin D.
last_name: Simons
- first_name: Kim B.
full_name: Jensen, Kim B.
last_name: Jensen
citation:
ama: Andersen MS, Ulyanchenko S, Schweiger PJ, Hannezo EB, Simons BD, Jensen KB.
Spatiotemporal switches in progenitor cell fate govern upper hair follicle growth
and maintenance. Journal of Investigative Dermatology. 2025;145(9):2191-2202.e5.
doi:10.1016/j.jid.2025.01.034
apa: Andersen, M. S., Ulyanchenko, S., Schweiger, P. J., Hannezo, E. B., Simons,
B. D., & Jensen, K. B. (2025). Spatiotemporal switches in progenitor cell
fate govern upper hair follicle growth and maintenance. Journal of Investigative
Dermatology. Elsevier. https://doi.org/10.1016/j.jid.2025.01.034
chicago: Andersen, Marianne S., Svetlana Ulyanchenko, Pawel J. Schweiger, Edouard
B Hannezo, Benjamin D. Simons, and Kim B. Jensen. “Spatiotemporal Switches in
Progenitor Cell Fate Govern Upper Hair Follicle Growth and Maintenance.” Journal
of Investigative Dermatology. Elsevier, 2025. https://doi.org/10.1016/j.jid.2025.01.034.
ieee: M. S. Andersen, S. Ulyanchenko, P. J. Schweiger, E. B. Hannezo, B. D. Simons,
and K. B. Jensen, “Spatiotemporal switches in progenitor cell fate govern upper
hair follicle growth and maintenance,” Journal of Investigative Dermatology,
vol. 145, no. 9. Elsevier, p. 2191–2202.e5, 2025.
ista: Andersen MS, Ulyanchenko S, Schweiger PJ, Hannezo EB, Simons BD, Jensen KB.
2025. Spatiotemporal switches in progenitor cell fate govern upper hair follicle
growth and maintenance. Journal of Investigative Dermatology. 145(9), 2191–2202.e5.
mla: Andersen, Marianne S., et al. “Spatiotemporal Switches in Progenitor Cell Fate
Govern Upper Hair Follicle Growth and Maintenance.” Journal of Investigative
Dermatology, vol. 145, no. 9, Elsevier, 2025, p. 2191–2202.e5, doi:10.1016/j.jid.2025.01.034.
short: M.S. Andersen, S. Ulyanchenko, P.J. Schweiger, E.B. Hannezo, B.D. Simons,
K.B. Jensen, Journal of Investigative Dermatology 145 (2025) 2191–2202.e5.
corr_author: '1'
date_created: 2025-04-06T22:01:32Z
date_published: 2025-09-01T00:00:00Z
date_updated: 2025-12-29T14:13:43Z
day: '01'
ddc:
- '570'
department:
- _id: EdHa
doi: 10.1016/j.jid.2025.01.034
external_id:
isi:
- '001604396400001'
pmid:
- '40010488'
file:
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checksum: a2b313de3cacb53f20f2b91c42612ad9
content_type: application/pdf
creator: dernst
date_created: 2025-12-29T14:13:01Z
date_updated: 2025-12-29T14:13:01Z
file_id: '20874'
file_name: 2025_JourInvestigativeDerma_Andersen.pdf
file_size: 7301679
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success: 1
file_date_updated: 2025-12-29T14:13:01Z
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intvolume: ' 145'
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issue: '9'
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
page: 2191-2202.e5
pmid: 1
publication: Journal of Investigative Dermatology
publication_identifier:
eissn:
- 1523-1747
issn:
- 0022-202X
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Spatiotemporal switches in progenitor cell fate govern upper hair follicle
growth and maintenance
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: 145
year: '2025'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '19529'
abstract:
- lang: eng
text: NRF2 is a transcription factor responsible for coordinating the expression
of over a thousand cytoprotective genes. Although NRF2 is constitutively expressed,
its stability is modulated by the redox-sensitive protein KEAP1 and other conditional
binding partner regulators. The new era of NRF2 research has highlighted the cooperation
between NRF2 and PIN1 in modifying its cytoprotective effect. Despite numerous
studies, the understanding of the PIN1-NRF2 interaction remains limited. Herein,
we described the binding interaction of PIN1 and three different 14-mer long phospho-peptides
mimicking NRF2 protein using computer-based, biophysical, and biochemical approaches.
According to our computational analyses, the residues positioned in the WW domain
of PIN1 (Ser16, Arg17, Ser18, Tyr23, Ser32, Gln33, and Trp34) were found to be
crucial for PIN1-NRF2 interactions. Biophysical FP assays were used to verify
the computational prediction. The data demonstrated that Pintide, a peptide predominantly
interacting with the PIN1 WW-domain, led to a significant reduction in the binding
affinity of the NRF2 mimicking peptides. Moreover, we evaluated the impact of
known PIN1 inhibitors (juglone, KPT-6566, and EGCG) on the PIN1-NRF2 interaction.
Among the inhibitors, KPT-6566 showed the most potent inhibitory effect on PIN1-NRF2
interaction within an IC50 range of 0.3–1.4 µM. Furthermore,
our mass spectrometry analyses showed that KPT-6566 appeared to covalently modify
PIN1 via conjugate addition, rather than disulfide exchange of the sulfonyl-acetate
moiety. Altogether, such inhibitors would also be highly valuable molecular probes
for further investigation of PIN1 regulation of NRF2 in the cellular context and
potentially pave the way for drug molecules that specifically inhibit the cytoprotective
effects of NRF2 in cancer.
acknowledgement: The authors would like to thank the Ministry of National Education
of Republic of Türkiye within the scope of the YLSY scholarship program for funding
(AO). This article is based upon work from COST Action CA20121, supported by COST
(European Cooperation in Science and Technology) (www.cost.eu) (https://benbedphar.org/about-benbedphar/).
The molecular dynamics simulations reported in this paper were performed at TUBITAK
ULAKBIM, High Performance and Grid Computing Center (TRUBA resources). The authors
thank Dr Sharad Mistry for his support in acquiring and processing the MS data.
article_number: '8907'
article_processing_charge: Yes
article_type: original
author:
- first_name: Adem
full_name: Ozleyen, Adem
last_name: Ozleyen
- first_name: Gizem Nur
full_name: Duran, Gizem Nur
last_name: Duran
- first_name: Serhat
full_name: Dönmez, Serhat
id: 7c624079-3200-11ee-973b-9fcc8a575580
last_name: Dönmez
- first_name: Mehmet
full_name: Ozbil, Mehmet
last_name: Ozbil
- first_name: Richard G.
full_name: Doveston, Richard G.
last_name: Doveston
- first_name: Tugba Boyunegmez
full_name: Tumer, Tugba Boyunegmez
last_name: Tumer
citation:
ama: Ozleyen A, Duran GN, Dönmez S, Ozbil M, Doveston RG, Tumer TB. Identification
and inhibition of PIN1-NRF2 protein–protein interactions through computational
and biophysical approaches. Scientific Reports. 2025;15. doi:10.1038/s41598-025-89342-0
apa: Ozleyen, A., Duran, G. N., Dönmez, S., Ozbil, M., Doveston, R. G., & Tumer,
T. B. (2025). Identification and inhibition of PIN1-NRF2 protein–protein interactions
through computational and biophysical approaches. Scientific Reports. Springer
Nature. https://doi.org/10.1038/s41598-025-89342-0
chicago: Ozleyen, Adem, Gizem Nur Duran, Serhat Dönmez, Mehmet Ozbil, Richard G.
Doveston, and Tugba Boyunegmez Tumer. “Identification and Inhibition of PIN1-NRF2
Protein–Protein Interactions through Computational and Biophysical Approaches.”
Scientific Reports. Springer Nature, 2025. https://doi.org/10.1038/s41598-025-89342-0.
ieee: A. Ozleyen, G. N. Duran, S. Dönmez, M. Ozbil, R. G. Doveston, and T. B. Tumer,
“Identification and inhibition of PIN1-NRF2 protein–protein interactions through
computational and biophysical approaches,” Scientific Reports, vol. 15.
Springer Nature, 2025.
ista: Ozleyen A, Duran GN, Dönmez S, Ozbil M, Doveston RG, Tumer TB. 2025. Identification
and inhibition of PIN1-NRF2 protein–protein interactions through computational
and biophysical approaches. Scientific Reports. 15, 8907.
mla: Ozleyen, Adem, et al. “Identification and Inhibition of PIN1-NRF2 Protein–Protein
Interactions through Computational and Biophysical Approaches.” Scientific
Reports, vol. 15, 8907, Springer Nature, 2025, doi:10.1038/s41598-025-89342-0.
short: A. Ozleyen, G.N. Duran, S. Dönmez, M. Ozbil, R.G. Doveston, T.B. Tumer, Scientific
Reports 15 (2025).
date_created: 2025-04-08T11:12:20Z
date_published: 2025-03-14T00:00:00Z
date_updated: 2025-09-30T11:33:37Z
day: '14'
ddc:
- '570'
department:
- _id: LeSa
doi: 10.1038/s41598-025-89342-0
external_id:
isi:
- '001445507400002'
pmid:
- '40087364'
file:
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checksum: 6124a10402a67b66364cfa9350d35b4b
content_type: application/pdf
creator: dernst
date_created: 2025-04-10T06:21:11Z
date_updated: 2025-04-10T06:21:11Z
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file_name: 2025_ScientificReports_Ozleyen.pdf
file_size: 5333058
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isi: 1
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
pmid: 1
publication: Scientific Reports
publication_identifier:
eissn:
- 2045-2322
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Identification and inhibition of PIN1-NRF2 protein–protein interactions through
computational and biophysical approaches
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: 15
year: '2025'
...
---
APC_amount: 3054 EUR
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '19531'
abstract:
- lang: eng
text: In standard quantum electrodynamics (QED), the so-called non-minimal (Pauli)
coupling is suppressed for elementary particles and has no physical implications.
Here, we show that the Pauli term naturally appears in a known family of Dirac
materials—the lead-halide perovskites, suggesting a novel playground for the study
of analog QED effects. We outline measurable manifestations of the Pauli term
in the phenomena pertaining to (i) relativistic corrections to bound states (ii)
the Klein paradox, and (iii) spin effects in scattering. In particular, we demonstrate
that (a) the binding energy of an electron in the vicinity of a positively charged
defect is noticeably decreased due to the polarizability of lead ions and the
appearance of a Darwin-like term, (b) strong spin-orbit coupling due to the Pauli
term affects the exciton states, and (c) scattering of an electron off an energy
barrier with broken mirror symmetry produces spin polarization in the outgoing
current. Our study adds to the understanding of quantum phenomena in lead-halide
perovskites and paves the way for tabletop simulations of analog Dirac-Pauli equations.
article_number: '37'
article_processing_charge: Yes
article_type: original
author:
- first_name: Abhishek
full_name: Shiva Kumar, Abhishek
id: 5e9a6931-eb97-11eb-a6c2-e96f7058d77a
last_name: Shiva Kumar
- first_name: Mikhail
full_name: Maslov, Mikhail
id: 2E65BB0E-F248-11E8-B48F-1D18A9856A87
last_name: Maslov
orcid: 0000-0003-4074-2570
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
- first_name: Artem
full_name: Volosniev, Artem
id: 37D278BC-F248-11E8-B48F-1D18A9856A87
last_name: Volosniev
orcid: 0000-0003-0393-5525
- first_name: Zhanybek
full_name: Alpichshev, Zhanybek
id: 45E67A2A-F248-11E8-B48F-1D18A9856A87
last_name: Alpichshev
orcid: 0000-0002-7183-5203
citation:
ama: Shiva Kumar A, Maslov M, Lemeshko M, Volosniev A, Alpichshev Z. Massive Dirac-Pauli
physics in lead-halide perovskites. npj Quantum Materials. 2025;10. doi:10.1038/s41535-025-00754-7
apa: Shiva Kumar, A., Maslov, M., Lemeshko, M., Volosniev, A., & Alpichshev,
Z. (2025). Massive Dirac-Pauli physics in lead-halide perovskites. Npj Quantum
Materials. Springer Nature. https://doi.org/10.1038/s41535-025-00754-7
chicago: Shiva Kumar, Abhishek, Mikhail Maslov, Mikhail Lemeshko, Artem Volosniev,
and Zhanybek Alpichshev. “Massive Dirac-Pauli Physics in Lead-Halide Perovskites.”
Npj Quantum Materials. Springer Nature, 2025. https://doi.org/10.1038/s41535-025-00754-7.
ieee: A. Shiva Kumar, M. Maslov, M. Lemeshko, A. Volosniev, and Z. Alpichshev, “Massive
Dirac-Pauli physics in lead-halide perovskites,” npj Quantum Materials,
vol. 10. Springer Nature, 2025.
ista: Shiva Kumar A, Maslov M, Lemeshko M, Volosniev A, Alpichshev Z. 2025. Massive
Dirac-Pauli physics in lead-halide perovskites. npj Quantum Materials. 10, 37.
mla: Shiva Kumar, Abhishek, et al. “Massive Dirac-Pauli Physics in Lead-Halide Perovskites.”
Npj Quantum Materials, vol. 10, 37, Springer Nature, 2025, doi:10.1038/s41535-025-00754-7.
short: A. Shiva Kumar, M. Maslov, M. Lemeshko, A. Volosniev, Z. Alpichshev, Npj
Quantum Materials 10 (2025).
corr_author: '1'
date_created: 2025-04-08T18:13:06Z
date_published: 2025-04-04T00:00:00Z
date_updated: 2026-05-06T13:06:08Z
day: '04'
ddc:
- '530'
department:
- _id: GradSch
- _id: ZhAl
- _id: MiLe
doi: 10.1038/s41535-025-00754-7
external_id:
isi:
- '001459830100002'
file:
- access_level: open_access
checksum: 08b1a94b362bb65482887e50020810e5
content_type: application/pdf
creator: dernst
date_created: 2025-04-10T06:12:49Z
date_updated: 2025-04-10T06:12:49Z
file_id: '19536'
file_name: 2025_njpQuantumMaterials_Kumar.pdf
file_size: 592092
relation: main_file
success: 1
file_date_updated: 2025-04-10T06:12:49Z
has_accepted_license: '1'
intvolume: ' 10'
isi: 1
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
project:
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
name: IST Austria Open Access Fund
publication: npj Quantum Materials
publication_identifier:
eissn:
- 2397-4648
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
link:
- relation: software
url: https://git.ista.ac.at/mmaslov/dirac_pauli_LHP
scopus_import: '1'
status: public
title: Massive Dirac-Pauli physics in lead-halide perovskites
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: 10
year: '2025'
...
---
OA_place: publisher
OA_type: hybrid
_id: '19554'
abstract:
- lang: eng
text: 'In 1981, Karp and Sipser proved a law of large numbers for the matching number
of a sparse Erdős–Rényi random graph, in an influential paper pioneering the so-called
differential equation method for analysis of random graph processes. Strengthening
this classical result, and answering a question of Aronson, Frieze and Pittel,
we prove a central limit theorem in the same setting: the fluctuations in the
matching number of a sparse random graph are asymptotically Gaussian. Our new
contribution is to prove this central limit theorem in the subcritical and critical
regimes, according to a celebrated algorithmic phase transition first observed
by Karp and Sipser. Indeed, in the supercritical regime, a central limit theorem
has recently been proved in the PhD thesis of Kreačić, using a stochastic generalisation
of the differential equation method (comparing the so-called Karp–Sipser process
to a system of stochastic differential equations). Our proof builds on these methods,
and introduces new techniques to handle certain degeneracies present in the subcritical
and critical cases. Curiously, our new techniques lead to a non-constructive result:
we are able to characterise the fluctuations of the matching number around its
mean, despite these fluctuations being much smaller than the error terms in our
best estimates of the mean. We also prove a central limit theorem for the rank
of the adjacency matrix of a sparse random graph.'
acknowledgement: "We would like to thank Christina Goldschmidt and Eleonora Kreačić
for insightful discussions and clarifications about their work in the thesis [26].
Matthew Kwan was supported by ERC Starting Grant ‘RANDSTRUCT’ No. 101076777. Ashwin
Sah and Mehtaab Sawhney were supported by NSF Graduate Research Fellowship Program
DGE-2141064. Ashwin Sah was supported by the PD Soros Fellowship.\r\nOpen access
funding provided by Institute of Science and Technology Austria/KEMÖ."
article_number: e70101
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arxiv: 1
author:
- first_name: Margalit
full_name: Glasgow, Margalit
last_name: Glasgow
- first_name: Matthew Alan
full_name: Kwan, Matthew Alan
id: 5fca0887-a1db-11eb-95d1-ca9d5e0453b3
last_name: Kwan
orcid: 0000-0002-4003-7567
- first_name: Ashwin
full_name: Sah, Ashwin
last_name: Sah
- first_name: Mehtaab
full_name: Sawhney, Mehtaab
last_name: Sawhney
citation:
ama: Glasgow M, Kwan MA, Sah A, Sawhney M. A central limit theorem for the matching
number of a sparse random graph. Journal of the London Mathematical Society.
2025;111(4). doi:10.1112/jlms.70101
apa: Glasgow, M., Kwan, M. A., Sah, A., & Sawhney, M. (2025). A central limit
theorem for the matching number of a sparse random graph. Journal of the London
Mathematical Society. Wiley. https://doi.org/10.1112/jlms.70101
chicago: Glasgow, Margalit, Matthew Alan Kwan, Ashwin Sah, and Mehtaab Sawhney.
“A Central Limit Theorem for the Matching Number of a Sparse Random Graph.” Journal
of the London Mathematical Society. Wiley, 2025. https://doi.org/10.1112/jlms.70101.
ieee: M. Glasgow, M. A. Kwan, A. Sah, and M. Sawhney, “A central limit theorem for
the matching number of a sparse random graph,” Journal of the London Mathematical
Society, vol. 111, no. 4. Wiley, 2025.
ista: Glasgow M, Kwan MA, Sah A, Sawhney M. 2025. A central limit theorem for the
matching number of a sparse random graph. Journal of the London Mathematical Society.
111(4), e70101.
mla: Glasgow, Margalit, et al. “A Central Limit Theorem for the Matching Number
of a Sparse Random Graph.” Journal of the London Mathematical Society,
vol. 111, no. 4, e70101, Wiley, 2025, doi:10.1112/jlms.70101.
short: M. Glasgow, M.A. Kwan, A. Sah, M. Sawhney, Journal of the London Mathematical
Society 111 (2025).
corr_author: '1'
date_created: 2025-04-13T22:01:19Z
date_published: 2025-04-01T00:00:00Z
date_updated: 2025-09-30T11:35:55Z
day: '01'
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doi: 10.1112/jlms.70101
external_id:
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name: Randomness and structure in combinatorics
publication: Journal of the London Mathematical Society
publication_identifier:
eissn:
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issn:
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publication_status: published
publisher: Wiley
quality_controlled: '1'
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title: A central limit theorem for the matching number of a sparse random graph
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abstract:
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text: The charged arginine side chain is unique in determining many innate properties
of proteins, contributing to stability and interaction surfaces, and directing
allosteric regulation and enzymatic catalysis. NMR experiments can be used to
reveal these processes at the molecular level, but it often requires selective
insertion of carbon-13, nitrogen-15, and deuterium at defined atomic positions.
We introduce a method to endow arginine residues with defined isotope patterns,
combining synthetic organic chemistry and cell-based protein overexpression. The
resulting proteins feature NMR active spin systems with optimized relaxation pathways
leading to simplified NMR spectra with a sensitive response to changes in the
chemical environment of the nuclei observed.
acknowledged_ssus:
- _id: NMR
acknowledgement: We thank Lea Marie Becker for assistance with python scripts used
to analyze the labeling efficiency, and Undina Guillerm, Rajkumar Singh, and Anna
Kapitonova for help with protein production. This work was supported by the Austrian
Science Fund (FWF; project number I5812-B) through a French-Austrian bi-national
research project. We thank the Scientific Service Units (SSU) of Institute of Science
and Technology Austria (ISTA) through resources provided by the NMR Facility, as
well as the NMR center and MS center of the University of Vienna.
article_number: e202500408
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Darja
full_name: Rohden, Darja
id: 81dc668a-19fa-11f0-bf31-d56534059ef3
last_name: Rohden
- first_name: Giorgia
full_name: Toscano, Giorgia
last_name: Toscano
- first_name: Paul
full_name: Schanda, Paul
id: 7B541462-FAF6-11E9-A490-E8DFE5697425
last_name: Schanda
orcid: 0000-0002-9350-7606
- first_name: Roman J.
full_name: Lichtenecker, Roman J.
last_name: Lichtenecker
citation:
ama: Rohden D, Toscano G, Schanda P, Lichtenecker RJ. Synthesis of selectively 13C/2H/15N-
labeled arginine to probe protein conformation and interaction by NMR spectroscopy.
Chemistry - A European Journal. 2025;31(24). doi:10.1002/chem.202500408
apa: Rohden, D., Toscano, G., Schanda, P., & Lichtenecker, R. J. (2025). Synthesis
of selectively 13C/2H/15N- labeled arginine to probe protein conformation and
interaction by NMR spectroscopy. Chemistry - A European Journal. Wiley.
https://doi.org/10.1002/chem.202500408
chicago: Rohden, Darja, Giorgia Toscano, Paul Schanda, and Roman J. Lichtenecker.
“Synthesis of Selectively 13C/2H/15N- Labeled Arginine to Probe Protein Conformation
and Interaction by NMR Spectroscopy.” Chemistry - A European Journal. Wiley,
2025. https://doi.org/10.1002/chem.202500408.
ieee: D. Rohden, G. Toscano, P. Schanda, and R. J. Lichtenecker, “Synthesis of selectively
13C/2H/15N- labeled arginine to probe protein conformation and interaction by
NMR spectroscopy,” Chemistry - A European Journal, vol. 31, no. 24. Wiley,
2025.
ista: Rohden D, Toscano G, Schanda P, Lichtenecker RJ. 2025. Synthesis of selectively
13C/2H/15N- labeled arginine to probe protein conformation and interaction by
NMR spectroscopy. Chemistry - A European Journal. 31(24), e202500408.
mla: Rohden, Darja, et al. “Synthesis of Selectively 13C/2H/15N- Labeled Arginine
to Probe Protein Conformation and Interaction by NMR Spectroscopy.” Chemistry
- A European Journal, vol. 31, no. 24, e202500408, Wiley, 2025, doi:10.1002/chem.202500408.
short: D. Rohden, G. Toscano, P. Schanda, R.J. Lichtenecker, Chemistry - A European
Journal 31 (2025).
corr_author: '1'
date_created: 2025-04-13T22:01:19Z
date_published: 2025-04-25T00:00:00Z
date_updated: 2025-09-30T11:35:05Z
day: '25'
ddc:
- '540'
department:
- _id: PaSc
doi: 10.1002/chem.202500408
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isi:
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pmid:
- '40080421'
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date_created: 2025-08-05T12:59:24Z
date_updated: 2025-08-05T12:59:24Z
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file_name: 2025_ChemistryEur_Rohden.pdf
file_size: 2840681
relation: main_file
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file_date_updated: 2025-08-05T12:59:24Z
has_accepted_license: '1'
intvolume: ' 31'
isi: 1
issue: '24'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: eb9c82eb-77a9-11ec-83b8-aadd536561cf
grant_number: I05812
name: AlloSpace. The emergence and mechanisms of allostery
publication: Chemistry - A European Journal
publication_identifier:
eissn:
- 1521-3765
issn:
- 0947-6539
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Synthesis of selectively 13C/2H/15N- labeled arginine to probe protein conformation
and interaction by NMR spectroscopy
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: 31
year: '2025'
...