---
OA_place: publisher
OA_type: gold
_id: '22002'
abstract:
- lang: eng
text: Topological simplification is the process of reducing complexity of a function
while maintaining its essential features. Its goal is to find a new filter function,
which reorders cells of the input complex in a way which eliminates some persistent
homological features, without affecting the rest. We present a new approach to
simplification based on the concept of forbidden regions and combinatorial dynamics.
It allows us to reorder and cancel critical values, whose cancellation is not
possible using existing methods because they are not consecutive in the total
order. Each such cancellation takes O(c⋅n) time in the worst case, where c is
the number of birth-death pairs and n is the size of the input complex.
acknowledgement: "Jakub Leśkiewicz wants to thank his supervisor, Prof. Marian Mrozek,
forscientific guidance, patience, and opportunity to delay the rest of his duties
while writing this work.\r\nThe author also extends thanks to his entire family,
to Zuzanna Świątek, and to Mikołaj Kardyś,\r\nBEng, MSc, for providing meals during
the most intensive periods of work. Jakub Leśkiewicz: The research was partially
funded by the Polish National Science Center under Opus Grant No. 2019/35/B/ST1/00874
and Opus Grant 2025/57/B/ST1/00550. Bartosz Furmanek: The research was partially
funded by the Polish National Science Center under Opus Grant No. 2019/35/B/ST1/00874
and Opus Grant 2025/57/B/ST1/00550. Michał Lipiński: 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. \r\nDmitriy Morozov: This
work was supported in part by the U.S. Department of Energy, Office\r\nof Science,
Office of Advanced Scientific Computing Research, under Contract No. DE-AC02-\r\n05CH11231."
alternative_title:
- LIPIcs
article_number: 72:1-72:17
article_processing_charge: No
arxiv: 1
author:
- first_name: Jakub
full_name: Leśkiewicz, Jakub
last_name: Leśkiewicz
- first_name: Bartosz
full_name: Furmanek, Bartosz
last_name: Furmanek
- first_name: Michał
full_name: Lipiński, Michał
id: dfffb474-4317-11ee-8f5c-fe3fc95a425e
last_name: Lipiński
orcid: 0000-0001-9789-9750
- first_name: Dmitriy
full_name: Morozov, Dmitriy
last_name: Morozov
citation:
ama: 'Leśkiewicz J, Furmanek B, Lipiński M, Morozov D. Topological simplification
guided by forbidden regions. In: 42nd International Symposium on Computational
Geometry. Vol 367. Schloss Dagstuhl - Leibniz-Zentrum für Informatik; 2026.
doi:10.4230/LIPIcs.SoCG.2026.72'
apa: 'Leśkiewicz, J., Furmanek, B., Lipiński, M., & Morozov, D. (2026). Topological
simplification guided by forbidden regions. In 42nd International Symposium
on Computational Geometry (Vol. 367). New Brunswick, NJ, United States: Schloss
Dagstuhl - Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.SoCG.2026.72'
chicago: Leśkiewicz, Jakub, Bartosz Furmanek, Michał Lipiński, and Dmitriy Morozov.
“Topological Simplification Guided by Forbidden Regions.” In 42nd International
Symposium on Computational Geometry, Vol. 367. Schloss Dagstuhl - Leibniz-Zentrum
für Informatik, 2026. https://doi.org/10.4230/LIPIcs.SoCG.2026.72.
ieee: J. Leśkiewicz, B. Furmanek, M. Lipiński, and D. Morozov, “Topological simplification
guided by forbidden regions,” in 42nd International Symposium on Computational
Geometry, New Brunswick, NJ, United States, 2026, vol. 367.
ista: 'Leśkiewicz J, Furmanek B, Lipiński M, Morozov D. 2026. Topological simplification
guided by forbidden regions. 42nd International Symposium on Computational Geometry.
SoCG: Symposium on Computational Geometry, LIPIcs, vol. 367, 72:1-72:17.'
mla: Leśkiewicz, Jakub, et al. “Topological Simplification Guided by Forbidden Regions.”
42nd International Symposium on Computational Geometry, vol. 367, 72:1-72:17,
Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2026, doi:10.4230/LIPIcs.SoCG.2026.72.
short: J. Leśkiewicz, B. Furmanek, M. Lipiński, D. Morozov, in:, 42nd International
Symposium on Computational Geometry, Schloss Dagstuhl - Leibniz-Zentrum für Informatik,
2026.
conference:
end_date: 2026-06-05
location: New Brunswick, NJ, United States
name: 'SoCG: Symposium on Computational Geometry'
start_date: 2026-06-02
corr_author: '1'
das_tickbox: '0'
date_created: 2026-06-14T22:01:43Z
date_published: 2026-05-27T00:00:00Z
date_updated: 2026-06-22T07:45:36Z
day: '27'
ddc:
- '500'
department:
- _id: HeEd
doi: 10.4230/LIPIcs.SoCG.2026.72
ec_funded: 1
external_id:
arxiv:
- '2603.16416'
file:
- access_level: open_access
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creator: dernst
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fulldoi: https://doi.org/10.4230/LIPIcs.SoCG.2026.72
has_accepted_license: '1'
intvolume: ' 367'
keyword:
- persistent homology
- topological simplification
- depth posets
language:
- iso: eng
license: https://creativecommons.org/licenses/by/4.0/
month: '05'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: 42nd International Symposium on Computational Geometry
publication_identifier:
eissn:
- 1868-8969
isbn:
- '9783959774185'
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
quality_controlled: '1'
scopus_import: '1'
status: public
title: Topological simplification guided by forbidden regions
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 367
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21015'
abstract:
- lang: eng
text: Early embryo geometry is one of the most invariant species-specific traits,
yet its role in ensuring developmental reproducibility and robustness remains
underexplored. Here we show that in zebrafish, the geometry of the fertilized
egg—specifically its curvature and volume—serves as a critical initial condition
triggering a cascade of events that influence development. The embryo geometry
guides patterned asymmetric cell divisions in the blastoderm, generating radial
gradients of cell volume and nucleocytoplasmic ratio. These gradients generate
mitotic phase waves, with the nucleocytoplasmic ratio determining individual cell
cycle periods independently of other cells. We demonstrate that reducing cell
autonomy reshapes these waves, emphasizing the instructive role of geometry-derived
volume patterns in setting the intrinsic period of the cell cycle oscillator.
In addition to organizing cell cycles, early embryo geometry spatially patterns
zygotic genome activation at the midblastula transition, a key step in establishing
embryonic autonomy. Disrupting the embryo shape alters the zygotic genome activation
pattern and causes ectopic germ layer specification, underscoring the developmental
significance of geometry. Together, our findings reveal a symmetry-breaking function
of early embryo geometry in coordinating cell cycle and transcriptional patterning.
acknowledged_ssus:
- _id: PreCl
- _id: Bio
- _id: ScienComp
- _id: LifeSc
acknowledgement: We thank N. Petridou (EMBL) for sharing results before publication.
N.M. was supported by funding from the European Union’s Horizon 2020 programme under
the Marie Skłodowska-Curie COFUND Actions ISTplus grant agreement number 754411.
Y.I.L. acknowledges funding from the European Union’s Horizon 2020 research and
innovation programme under the Marie Skłodowska-Curie grant agreement number 101034413.
The research was supported by funding to C.-P.H. from the NOMIS Foundation, Project
ID 1.844. We would like to thank past and present members of the Heisenberg and
Hannezo groups for discussions, particularly S. Shamipour, V. Doddihal, M. Jovic,
N. Hino, F. N. Arslan, R. Kobylinska and C. Camelo for feedback on the draft manuscript.
This research was supported by the Scientific Service Units (SSU) of Institute of
Science and Technology Austria through resources provided by the Aquatics Facility,
Imaging & Optics Facility (IOF), Scientific Computing (SciComp) facility and Lab
Support Facility (LSF). Open access funding provided by Institute of Science and
Technology (IST Austria).
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Nikhil
full_name: Mishra, Nikhil
id: C4D70E82-1081-11EA-B3ED-9A4C3DDC885E
last_name: Mishra
orcid: 0000-0002-6425-5788
- first_name: Yuting I
full_name: Li, Yuting I
id: ee7a5ca8-8b71-11ed-b662-b3341c05b7eb
last_name: Li
- 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: Carl-Philipp J
full_name: Heisenberg, Carl-Philipp J
id: 39427864-F248-11E8-B48F-1D18A9856A87
last_name: Heisenberg
orcid: 0000-0002-0912-4566
citation:
ama: Mishra N, Li YI, Hannezo EB, Heisenberg C-PJ. Geometry-driven asymmetric cell
divisions pattern cell cycles and zygotic genome activation in the zebrafish embryo.
Nature Physics. 2026;22:139-150. doi:10.1038/s41567-025-03122-1
apa: Mishra, N., Li, Y. I., Hannezo, E. B., & Heisenberg, C.-P. J. (2026). Geometry-driven
asymmetric cell divisions pattern cell cycles and zygotic genome activation in
the zebrafish embryo. Nature Physics. Springer Nature. https://doi.org/10.1038/s41567-025-03122-1
chicago: Mishra, Nikhil, Yuting I Li, Edouard B Hannezo, and Carl-Philipp J Heisenberg.
“Geometry-Driven Asymmetric Cell Divisions Pattern Cell Cycles and Zygotic Genome
Activation in the Zebrafish Embryo.” Nature Physics. Springer Nature, 2026.
https://doi.org/10.1038/s41567-025-03122-1.
ieee: N. Mishra, Y. I. Li, E. B. Hannezo, and C.-P. J. Heisenberg, “Geometry-driven
asymmetric cell divisions pattern cell cycles and zygotic genome activation in
the zebrafish embryo,” Nature Physics, vol. 22. Springer Nature, pp. 139–150,
2026.
ista: Mishra N, Li YI, Hannezo EB, Heisenberg C-PJ. 2026. Geometry-driven asymmetric
cell divisions pattern cell cycles and zygotic genome activation in the zebrafish
embryo. Nature Physics. 22, 139–150.
mla: Mishra, Nikhil, et al. “Geometry-Driven Asymmetric Cell Divisions Pattern Cell
Cycles and Zygotic Genome Activation in the Zebrafish Embryo.” Nature Physics,
vol. 22, Springer Nature, 2026, pp. 139–50, doi:10.1038/s41567-025-03122-1.
short: N. Mishra, Y.I. Li, E.B. Hannezo, C.-P.J. Heisenberg, Nature Physics 22 (2026)
139–150.
corr_author: '1'
date_created: 2026-01-20T10:12:19Z
date_published: 2026-01-05T00:00:00Z
date_updated: 2026-04-28T12:55:30Z
day: '05'
ddc:
- '570'
department:
- _id: EdHa
- _id: CaHe
doi: 10.1038/s41567-025-03122-1
ec_funded: 1
external_id:
oaworkid:
- W7118187193
file:
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checksum: 0ab7ac2fbcb61a364dba57152db64ed7
content_type: application/pdf
creator: dernst
date_created: 2026-01-21T08:21:11Z
date_updated: 2026-01-21T08:21:11Z
file_id: '21026'
file_name: 2026_NaturePhysics_Mishra.pdf
file_size: 7335694
relation: main_file
success: 1
file_date_updated: 2026-01-21T08:21:11Z
fulldoi: https://doi.org/10.1038/s41567-025-03122-1
has_accepted_license: '1'
intvolume: ' 22'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
oaworkid: 1
page: 139-150
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
- _id: 917c023a-16d5-11f0-9cad-eb5cafc52090
name: Cytoplasmic self-organization into cell-like compartments as a common guiding
principle in early animal development
publication: Nature Physics
publication_identifier:
eissn:
- 1745-2481
issn:
- 1745-2473
issnl:
- ' 1745-2473'
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
link:
- description: News on ISTA website
relation: research_data
url: https://ista.ac.at/en/news/geometry-shapes-life/
scopus_import: '1'
status: public
title: Geometry-driven asymmetric cell divisions pattern cell cycles and zygotic genome
activation in the zebrafish embryo
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: 22
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21018'
abstract:
- lang: eng
text: In this paper, we review recent results on stability and instability in logarithmic
Sobolev inequalities, with a particular emphasis on strong norms. We consider
several versions of these inequalities on the Euclidean space, for the Lebesgue
and the Gaussian measures, and discuss their differences in terms of moments and
stability. We give new and direct proofs, as well as examples and discuss the
stability of a logarithmic uncertainty principle. Although we do not cover all
aspects of the topic, we hope to contribute to establishing the state of the art.
acknowledgement: This work has been supported by the Project Conviviality (ANR-23-CE40–0003)
of the French National Research Agency. G.B. has received funding from the European
Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie
grant agreement No 101034413. The authors thank a referee for a careful reading
and suggestions which result in a significant improvement of the manuscript. Open
access funding provided by Institute of Science and Technology (IST Austria). The
work of GB has received funding from the European Union’s Horizon 2020 research
and innovation programme under the Marie Skłodowska-Curie grant agreement No 101034413.
This work has been supported by the Project Conviviality (ANR-23-CE40–0003) of the
French National Research Agency.
article_number: '5'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Giovanni
full_name: Brigati, Giovanni
id: 63ff57e8-1fbb-11ee-88f2-f558ffc59cf1
last_name: Brigati
- first_name: Jean
full_name: Dolbeault, Jean
last_name: Dolbeault
- first_name: Nikita
full_name: Simonov, Nikita
last_name: Simonov
citation:
ama: 'Brigati G, Dolbeault J, Simonov N. Logarithmic Sobolev Inequalities: A review
on stability and instability results. La Matematica. 2026;5. doi:10.1007/s44007-025-00180-y'
apa: 'Brigati, G., Dolbeault, J., & Simonov, N. (2026). Logarithmic Sobolev
Inequalities: A review on stability and instability results. La Matematica.
Springer Nature. https://doi.org/10.1007/s44007-025-00180-y'
chicago: 'Brigati, Giovanni, Jean Dolbeault, and Nikita Simonov. “Logarithmic Sobolev
Inequalities: A Review on Stability and Instability Results.” La Matematica.
Springer Nature, 2026. https://doi.org/10.1007/s44007-025-00180-y.'
ieee: 'G. Brigati, J. Dolbeault, and N. Simonov, “Logarithmic Sobolev Inequalities:
A review on stability and instability results,” La Matematica, vol. 5.
Springer Nature, 2026.'
ista: 'Brigati G, Dolbeault J, Simonov N. 2026. Logarithmic Sobolev Inequalities:
A review on stability and instability results. La Matematica. 5, 5.'
mla: 'Brigati, Giovanni, et al. “Logarithmic Sobolev Inequalities: A Review on Stability
and Instability Results.” La Matematica, vol. 5, 5, Springer Nature, 2026,
doi:10.1007/s44007-025-00180-y.'
short: G. Brigati, J. Dolbeault, N. Simonov, La Matematica 5 (2026).
corr_author: '1'
date_created: 2026-01-20T10:14:55Z
date_published: 2026-01-08T00:00:00Z
date_updated: 2026-01-21T07:48:28Z
day: '08'
ddc:
- '510'
department:
- _id: JaMa
doi: 10.1007/s44007-025-00180-y
ec_funded: 1
external_id:
arxiv:
- '2504.08658'
file:
- access_level: open_access
checksum: 0702d8397f216555b1d5286e5d77f09c
content_type: application/pdf
creator: dernst
date_created: 2026-01-21T07:45:03Z
date_updated: 2026-01-21T07:45:03Z
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file_size: 4992025
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success: 1
file_date_updated: 2026-01-21T07:45:03Z
fulldoi: https://doi.org/10.1007/s44007-025-00180-y
has_accepted_license: '1'
intvolume: ' 5'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: La Matematica
publication_identifier:
issn:
- 2730-9657
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Logarithmic Sobolev Inequalities: A review on stability and instability results'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
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user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
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...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21275'
abstract:
- lang: eng
text: DNA methylation is a primary layer of epigenetic modification that plays a
pivotal role in the regulation of development, aging, and cancer. The concurrent
activity of opposing enzymes that mediate DNA methylation and demethylation gives
rise to a biochemical cycle and active turnover of DNA methylation. While the
ensuing biochemical oscillations have been implicated in the regulation of cell
differentiation, their functional role and spatiotemporal dynamics are unknown.
In this work, we demonstrate that chromatin-mediated coupling between these local
biochemical cycles can lead to the emergence of phase-locked domains, regions
of locally synchronized turnover activity, whose coarsening is arrested by genomic
heterogeneity. We introduce a minimal model based on stochastic oscillators with
constrained long-range and nonreciprocal interactions, shaped by the local chromatin
organization. Through a combination of analytical theory and stochastic simulations,
we predict both the degree of synchronization and the typical size of emergent
phase-locked domains. We qualitatively test these predictions using single-cell
sequencing data. Our results show that DNA methylation turnover exhibits surprisingly
rich spatiotemporal patterns that may be used by cells to control cell differentiation.
acknowledgement: This project has received funding from the European Union's Horizon
2020 research and innovation programme under Grant Agreement No. 950349 and the
Marie Skłodowska-Curie Grant Agreement No. 101034413. The computations in this paper
were run in part on the the FASRC Cannon cluster supported by the FAS Division of
Science Research Computing Group at Harvard University and the cluster of the Max
Planck Institute for the Physics of Complex Systems.
article_number: '013018'
article_processing_charge: Yes
article_type: original
author:
- first_name: Fabrizio
full_name: Olmeda, Fabrizio
id: 69dbf5fb-8a76-11ed-866b-fb486d8b5689
last_name: Olmeda
- first_name: Misha
full_name: Gupta, Misha
last_name: Gupta
- first_name: Onurcan
full_name: Bektas, Onurcan
last_name: Bektas
- first_name: Steffen
full_name: Rulands, Steffen
last_name: Rulands
citation:
ama: Olmeda F, Gupta M, Bektas O, Rulands S. Spatiotemporal patterns of active epigenetic
turnover. PRX Life. 2026;4. doi:10.1103/89bj-79g5
apa: Olmeda, F., Gupta, M., Bektas, O., & Rulands, S. (2026). Spatiotemporal
patterns of active epigenetic turnover. PRX Life. American Physical Society.
https://doi.org/10.1103/89bj-79g5
chicago: Olmeda, Fabrizio, Misha Gupta, Onurcan Bektas, and Steffen Rulands. “Spatiotemporal
Patterns of Active Epigenetic Turnover.” PRX Life. American Physical Society,
2026. https://doi.org/10.1103/89bj-79g5.
ieee: F. Olmeda, M. Gupta, O. Bektas, and S. Rulands, “Spatiotemporal patterns of
active epigenetic turnover,” PRX Life, vol. 4. American Physical Society,
2026.
ista: Olmeda F, Gupta M, Bektas O, Rulands S. 2026. Spatiotemporal patterns of active
epigenetic turnover. PRX Life. 4, 013018.
mla: Olmeda, Fabrizio, et al. “Spatiotemporal Patterns of Active Epigenetic Turnover.”
PRX Life, vol. 4, 013018, American Physical Society, 2026, doi:10.1103/89bj-79g5.
short: F. Olmeda, M. Gupta, O. Bektas, S. Rulands, PRX Life 4 (2026).
corr_author: '1'
date_created: 2026-02-17T08:17:53Z
date_published: 2026-02-09T00:00:00Z
date_updated: 2026-02-24T06:54:32Z
day: '09'
ddc:
- '570'
department:
- _id: EdHa
doi: 10.1103/89bj-79g5
ec_funded: 1
file:
- access_level: open_access
checksum: df9776422862d1d02c66d98e2d620849
content_type: application/pdf
creator: dernst
date_created: 2026-02-24T06:53:05Z
date_updated: 2026-02-24T06:53:05Z
file_id: '21351'
file_name: 2026_PRXLife_Olmeda.pdf
file_size: 5857833
relation: main_file
success: 1
file_date_updated: 2026-02-24T06:53:05Z
fulldoi: https://doi.org/10.1103/89bj-79g5
has_accepted_license: '1'
intvolume: ' 4'
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: PRX Life
publication_identifier:
eissn:
- 2835-8279
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
status: public
title: Spatiotemporal patterns of active epigenetic turnover
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: 4
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21344'
abstract:
- lang: eng
text: Tropospheric ozone has the potential to become an increasingly pressing public
health issue in Bogotá, Colombia, due to rising concentrations across the city
driven by complex interactions among emissions, meteorology, and urban structure.
This study presents a comprehensive spatiotemporal analysis of ozone levels from
2013 to 2023 and assesses the associated health burden using mortality data from
the same period. Results reveal a consistent upward trend in ozone concentrations,
particularly in northern, western, and southern localities, with seasonal peaks
linked to biomass burning and photochemical conditions. Mortality analysis, based
on the Global Exposure Mortality Model, estimates that 18.3% of all deaths among
individuals aged 25 and older are attributable to long-term ozone exposure. The
highest burdens are found in densely populated and socioeconomically vulnerable
areas such as Kennedy, Suba, and Ciudad Bolívar, with the elderly being the most
affected. Building on these findings, we developed a machine learning prediction
model for ozone using a convolutional merge with a long-short term memory network
architecture trained on air quality and meteorological variables. The model demonstrated
strong predictive performance (mean Rho=0.86, RMSE=3.5 μg/m3) across monitoring
stations (17 with at least 35000 data points), supporting its potential application
in real-time early warning systems across Bogotá. This integrated approach highlights
the importance of localized air quality management, combining epidemiological
assessment with predictive modeling. The findings underscore the urgency of implementing
region-specific mitigation strategies and improving monitoring infrastructure
to reduce health risks from ozone exposure in Bogotá’s rapidly growing urban environment.
acknowledgement: EAL-B and CP-R received support from Sergio Arboleda University through
project No. IN.BG.086.24.014. AC acknowledges support by the European Union’s Horizon
2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement
No 101034413. We thank two anonymous reviewers for thein insightful comments that
largely improve the manuscript. Open access funding provided by Institute of Science
and Technology (IST Austria). This work was funded by the European Union’s Horizon
2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement
No 101034413. The work also received funding from Sergio Arboleda University through
project No. IN.BG.086.24.014.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Daniela
full_name: Bustos, Daniela
last_name: Bustos
- first_name: Diana
full_name: Garcia, Diana
last_name: Garcia
- first_name: Nestor Y.
full_name: Rojas, Nestor Y.
last_name: Rojas
- first_name: Ellie A.
full_name: Lopez-Barrera, Ellie A.
last_name: Lopez-Barrera
- first_name: Carlos
full_name: Peña-Rincon, Carlos
last_name: Peña-Rincon
- first_name: Alejandro
full_name: Casallas Garcia, Alejandro
id: 92081129-2d75-11ef-a48d-b04dd7a2385a
last_name: Casallas Garcia
orcid: 0000-0002-1988-5035
citation:
ama: 'Bustos D, Garcia D, Rojas NY, Lopez-Barrera EA, Peña-Rincon C, Casallas Garcia
A. Ozone trends and mortality risk: The growing need for machine learning predictions
in Bogotá, Colombia. Earth Systems and Environment. 2026. doi:10.1007/s41748-026-01052-3'
apa: 'Bustos, D., Garcia, D., Rojas, N. Y., Lopez-Barrera, E. A., Peña-Rincon, C.,
& Casallas Garcia, A. (2026). Ozone trends and mortality risk: The growing
need for machine learning predictions in Bogotá, Colombia. Earth Systems and
Environment. Springer Nature. https://doi.org/10.1007/s41748-026-01052-3'
chicago: 'Bustos, Daniela, Diana Garcia, Nestor Y. Rojas, Ellie A. Lopez-Barrera,
Carlos Peña-Rincon, and Alejandro Casallas Garcia. “Ozone Trends and Mortality
Risk: The Growing Need for Machine Learning Predictions in Bogotá, Colombia.”
Earth Systems and Environment. Springer Nature, 2026. https://doi.org/10.1007/s41748-026-01052-3.'
ieee: 'D. Bustos, D. Garcia, N. Y. Rojas, E. A. Lopez-Barrera, C. Peña-Rincon, and
A. Casallas Garcia, “Ozone trends and mortality risk: The growing need for machine
learning predictions in Bogotá, Colombia,” Earth Systems and Environment.
Springer Nature, 2026.'
ista: 'Bustos D, Garcia D, Rojas NY, Lopez-Barrera EA, Peña-Rincon C, Casallas Garcia
A. 2026. Ozone trends and mortality risk: The growing need for machine learning
predictions in Bogotá, Colombia. Earth Systems and Environment.'
mla: 'Bustos, Daniela, et al. “Ozone Trends and Mortality Risk: The Growing Need
for Machine Learning Predictions in Bogotá, Colombia.” Earth Systems and Environment,
Springer Nature, 2026, doi:10.1007/s41748-026-01052-3.'
short: D. Bustos, D. Garcia, N.Y. Rojas, E.A. Lopez-Barrera, C. Peña-Rincon, A.
Casallas Garcia, Earth Systems and Environment (2026).
corr_author: '1'
date_created: 2026-02-23T08:26:51Z
date_published: 2026-02-20T00:00:00Z
date_updated: 2026-02-24T08:02:58Z
day: '20'
ddc:
- '550'
department:
- _id: CaMu
doi: 10.1007/s41748-026-01052-3
ec_funded: 1
fulldoi: https://doi.org/10.1007/s41748-026-01052-3
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1007/s41748-026-01052-3
month: '02'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Earth Systems and Environment
publication_identifier:
eissn:
- 2509-9434
issn:
- 2509-9426
publication_status: epub_ahead
publisher: Springer Nature
quality_controlled: '1'
status: public
title: 'Ozone trends and mortality risk: The growing need for machine learning predictions
in Bogotá, Colombia'
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
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '21657'
abstract:
- lang: eng
text: We compare three global kilometer-scale models (ICON, IFS and NICAM) to clarify
the advantages and challenges of high-resolution global weather and climate modeling,
using different approaches to represent convection, from fully parameterized to
fully explicit. Our analysis focuses on tropical precipitation characteristics
spanning a wide range of spatio-temporal scales—including the diurnal cycle, extreme
precipitation, convective organization, and the Madden-Julian Oscillation (MJO)—along
with interactions between convection and the thermodynamic environment. All three
models commonly show weaker convective organization with smaller precipitation
cells than observed, though the strength of the bias varies by model. This diversity
is introduced by differences in the representation of (a) convective initiation
affected by the convective sensitivity to moisture and (b) tropospheric moistening
associated with deep convection. Models with stronger thermodynamic-convection
coupling increase environmental moisture near convection, thereby enhancing convective
organization. This has important upscale effects on the MJO; while IFS and NICAM
capture its eastward propagation well, ICON has difficulty reproducing it. The
amplitudes and phases of precipitation diurnal cycles over land show much greater
disagreement among the models than over ocean, influenced by how convection is
initiated. Biases in rain evaporation and cold pool formation hinder the propagation
of mesoscale convection, leading to errors such as the misrepresentation of nocturnal
convection moving off the coast of Sumatra in IFS and ICON. These results highlight
the importance of thermodynamic-convection coupling in realistically simulating
tropical convection across scales. To improve this coupling, kilometer-scale models
require better representation of the interaction between resolved convection and
three-dimensional turbulent mixing.
acknowledgement: 'We thank Peter Bechtold, Lukas Brunner, Peter Dueben, Richard Forbes,
Estibaliz Gascon, and Benoit Vanniere for providing insightful comments on the present
study. We also thank Sebastian Milinski, Xabier Pedruzo and Thomas Rackow for their
contributions to setting up IFS-FESOM for nextGEMS. We are also grateful to Dr.
Walter Hannah and an anonymous reviewer for their constructive comments, which improved
the original version of the manuscript. D. Takasuka was supported by JSPS KAKENHI
Grants 20H05728 and 24K22893 and by JSPS Core-to-Core Program, “International Core-to-Core
Project on Global Storm Resolving Analysis” (Grant Number: JPJSCCA20220001). T.
Becker was supported by the Horizon 2020 project nextGEMS under grant agreement
number 101003470. J. Bao acknowledges funding from the European Union''s Horizon
2020 research and innovation programme under the Marie Skłodowska-Curie grant (grant
agreement No 101034413). The ICON and IFS simulations were performed with supercomputing
resources of the German Climate Computing Centre (Deutsches Klimarechenzentrum,
DKRZ) granted by its Scientific Steering Committee (WLA) under project ID 1235.
The NICAM simulation was performed on the supercomputer Fugaku (proposal numbers
hp220132, hp230078, hp230108, hp230278, and hp240267).'
article_number: e2025MS005343
article_processing_charge: Yes
article_type: original
author:
- first_name: Daisuke
full_name: Takasuka, Daisuke
last_name: Takasuka
- first_name: Tobias
full_name: Becker, Tobias
last_name: Becker
- first_name: Jiawei
full_name: Bao, Jiawei
id: bb9a7399-fefd-11ed-be3c-ae648fd1d160
last_name: Bao
citation:
ama: Takasuka D, Becker T, Bao J. Precipitation characteristics and thermodynamic-convection
coupling in global kilometer-scale simulations. Journal of Advances in Modeling
Earth Systems. 2026;18(3). doi:10.1029/2025MS005343
apa: Takasuka, D., Becker, T., & Bao, J. (2026). Precipitation characteristics
and thermodynamic-convection coupling in global kilometer-scale simulations. Journal
of Advances in Modeling Earth Systems. Wiley. https://doi.org/10.1029/2025MS005343
chicago: Takasuka, Daisuke, Tobias Becker, and Jiawei Bao. “Precipitation Characteristics
and Thermodynamic-Convection Coupling in Global Kilometer-Scale Simulations.”
Journal of Advances in Modeling Earth Systems. Wiley, 2026. https://doi.org/10.1029/2025MS005343.
ieee: D. Takasuka, T. Becker, and J. Bao, “Precipitation characteristics and thermodynamic-convection
coupling in global kilometer-scale simulations,” Journal of Advances in Modeling
Earth Systems, vol. 18, no. 3. Wiley, 2026.
ista: Takasuka D, Becker T, Bao J. 2026. Precipitation characteristics and thermodynamic-convection
coupling in global kilometer-scale simulations. Journal of Advances in Modeling
Earth Systems. 18(3), e2025MS005343.
mla: Takasuka, Daisuke, et al. “Precipitation Characteristics and Thermodynamic-Convection
Coupling in Global Kilometer-Scale Simulations.” Journal of Advances in Modeling
Earth Systems, vol. 18, no. 3, e2025MS005343, Wiley, 2026, doi:10.1029/2025MS005343.
short: D. Takasuka, T. Becker, J. Bao, Journal of Advances in Modeling Earth Systems
18 (2026).
corr_author: '1'
date_created: 2026-04-05T22:01:31Z
date_published: 2026-03-01T00:00:00Z
date_updated: 2026-06-16T10:43:35Z
day: '01'
ddc:
- '550'
department:
- _id: CaMu
doi: 10.1029/2025MS005343
ec_funded: 1
file:
- access_level: open_access
checksum: ca7dac4bab31348d0640ed22580c6dce
content_type: application/pdf
creator: dernst
date_created: 2026-04-07T09:11:23Z
date_updated: 2026-04-07T09:11:23Z
file_id: '21665'
file_name: 2026_JAMES_Takasuka.pdf
file_size: 3854313
relation: main_file
success: 1
file_date_updated: 2026-04-07T09:11:23Z
fulldoi: https://doi.org/10.1029/2025MS005343
has_accepted_license: '1'
intvolume: ' 18'
issue: '3'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Journal of Advances in Modeling Earth Systems
publication_identifier:
eissn:
- 1942-2466
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Precipitation characteristics and thermodynamic-convection coupling in global
kilometer-scale simulations
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: 18
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
_id: '21661'
abstract:
- lang: eng
text: Model checking undiscounted reachability and expected-reward properties on
Markov decision processes (MDPs) are key for the verification of systems that
act under uncertainty. Popular algorithms are policy iteration and variants of
value iteration; in tool competitions, most participants rely on the latter. These
algorithms generally need worst-case exponential time. However, the problem can
equally be formulated as a linear programme, solvable in polynomial time. In this
paper, we give a detailed overview of today’s state-of-the-art algorithms for
MDP model checking with a focus on performance and correctness. We highlight their
fundamental differences, and describe various optimizations and implementation
variants. We experimentally compare floating-point and exact-arithmetic implementations
of all algorithms on three benchmark sets using two probabilistic model checkers.
Our results show that (optimistic) value iteration is a sensible default, but
other algorithms are preferable in specific settings. This paper thereby provides
a guide for MDP verification practitioners—tool builders and users alike.
acknowledgement: "This research was funded by the European Union’s Horizon 2020 research
and innovation programme under Marie Skłodowska-Curie grant agreements 101008233
(MISSION)\r\nand 101034413 (IST-BRIDGE), by the Interreg North Sea project STORM_SAFE,
by a KI-Starter grant from the Ministerium für Kultur und Wissenschaft NRW, by NWO
VENI grant no. 639.021.754, and by NWO VIDI grant VI.Vidi.223.110 (TruSTy). Experiments
were performed with computing resources granted by RWTH Aachen University under
project rwth1632."
article_processing_charge: Yes (in subscription journal)
article_type: original
author:
- first_name: Arnd
full_name: Hartmanns, Arnd
last_name: Hartmanns
- first_name: Sebastian
full_name: Junges, Sebastian
last_name: Junges
- first_name: Tim
full_name: Quatmann, Tim
last_name: Quatmann
- first_name: Maximilian
full_name: Weininger, Maximilian
id: 02ab0197-cc70-11ed-ab61-918e71f56881
last_name: Weininger
orcid: 0000-0002-0163-2152
citation:
ama: Hartmanns A, Junges S, Quatmann T, Weininger M. The revised practitioner’s
guide to MDP model checking algorithms. International Journal on Software Tools
for Technology Transfer. 2026. doi:10.1007/s10009-026-00848-y
apa: Hartmanns, A., Junges, S., Quatmann, T., & Weininger, M. (2026). The revised
practitioner’s guide to MDP model checking algorithms. International Journal
on Software Tools for Technology Transfer. Springer Nature. https://doi.org/10.1007/s10009-026-00848-y
chicago: Hartmanns, Arnd, Sebastian Junges, Tim Quatmann, and Maximilian Weininger.
“The Revised Practitioner’s Guide to MDP Model Checking Algorithms.” International
Journal on Software Tools for Technology Transfer. Springer Nature, 2026.
https://doi.org/10.1007/s10009-026-00848-y.
ieee: A. Hartmanns, S. Junges, T. Quatmann, and M. Weininger, “The revised practitioner’s
guide to MDP model checking algorithms,” International Journal on Software
Tools for Technology Transfer. Springer Nature, 2026.
ista: Hartmanns A, Junges S, Quatmann T, Weininger M. 2026. The revised practitioner’s
guide to MDP model checking algorithms. International Journal on Software Tools
for Technology Transfer.
mla: Hartmanns, Arnd, et al. “The Revised Practitioner’s Guide to MDP Model Checking
Algorithms.” International Journal on Software Tools for Technology Transfer,
Springer Nature, 2026, doi:10.1007/s10009-026-00848-y.
short: A. Hartmanns, S. Junges, T. Quatmann, M. Weininger, International Journal
on Software Tools for Technology Transfer (2026).
date_created: 2026-04-05T22:01:32Z
date_published: 2026-03-09T00:00:00Z
date_updated: 2026-04-07T09:52:54Z
day: '09'
ddc:
- '000'
department:
- _id: KrCh
doi: 10.1007/s10009-026-00848-y
ec_funded: 1
fulldoi: https://doi.org/10.1007/s10009-026-00848-y
has_accepted_license: '1'
keyword:
- Quantitative model checking
- Markov decision process
- Linear programming
- Value iteration
- Policy iteration
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1007/s10009-026-00848-y
month: '03'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: International Journal on Software Tools for Technology Transfer
publication_identifier:
eissn:
- 1433-2787
issn:
- 1433-2779
publication_status: epub_ahead
publisher: Springer Nature
quality_controlled: '1'
related_material:
record:
- id: '21668'
relation: software
status: public
scopus_import: '1'
status: public
title: The revised practitioner’s guide to MDP model checking algorithms
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
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21755'
abstract:
- lang: eng
text: Tropical shallow clouds are a major source of uncertainty in Earth's climate
sensitivity, especially through their spatial arrangement, which global climate
models do not represent. Efforts to understand their organization have partly
relied on classifying observed scenes, identifying four patterns as archetypal
regimes. Here we analyze geostationary satellite imagery of the western tropical
Atlantic using the L‐function, a tool based on point pattern theory that quantifies
cloud organization across spatial scales. Classical examples of the four patterns
show distinct L‐function fingerprints, revealing their characteristic clustering
and regularity scales and aiding physical interpretation. Yet, when evaluating
many scenes at fixed spatial scales, the L‐function distribution lacks the distinct
modes expected from discrete regimes. This is corroborated by analyses of other
organization indices employing diverse approaches, from inter‐cloud nearest‐neighbor
distances to fractal analysis. Implications for the parameterization of mesoscale
cloud organization in climate models are discussed.
acknowledgement: GB was supported by an ICTP Postdoctoral Research Fellowship Agreement.
GM was supported by the CNRS. AC was supported by the European Union's Horizon 2020
research and innovation programme Marie Sklodowska-Curie Grant agreement No 101034413.
LJF acknowledges funding from the NERC Doctoral Training Partnership in Environmental
Research Grant NE/S007474/1. We thank three anonymous reviewers and Jiawei Bao for
their insightful comments, which greatly improved this manuscript.
article_number: e2025GL119921
article_processing_charge: Yes
article_type: original
author:
- first_name: Giovanni
full_name: Biagioli, Giovanni
last_name: Biagioli
- first_name: Giulio
full_name: Mandorli, Giulio
last_name: Mandorli
- first_name: Lilli Johanna
full_name: Freischem, Lilli Johanna
last_name: Freischem
- first_name: Alejandro
full_name: Casallas Garcia, Alejandro
id: 92081129-2d75-11ef-a48d-b04dd7a2385a
last_name: Casallas Garcia
orcid: 0000-0002-1988-5035
- first_name: Adrian Mark
full_name: Tompkins, Adrian Mark
last_name: Tompkins
citation:
ama: 'Biagioli G, Mandorli G, Freischem LJ, Casallas Garcia A, Tompkins AM. Spatial
patterns of shallow clouds: Challenging the concept of defined regimes. Geophysical
Research Letters. 2026;53(8). doi:10.1029/2025gl119921'
apa: 'Biagioli, G., Mandorli, G., Freischem, L. J., Casallas Garcia, A., & Tompkins,
A. M. (2026). Spatial patterns of shallow clouds: Challenging the concept of defined
regimes. Geophysical Research Letters. Wiley. https://doi.org/10.1029/2025gl119921'
chicago: 'Biagioli, Giovanni, Giulio Mandorli, Lilli Johanna Freischem, Alejandro
Casallas Garcia, and Adrian Mark Tompkins. “Spatial Patterns of Shallow Clouds:
Challenging the Concept of Defined Regimes.” Geophysical Research Letters.
Wiley, 2026. https://doi.org/10.1029/2025gl119921.'
ieee: 'G. Biagioli, G. Mandorli, L. J. Freischem, A. Casallas Garcia, and A. M.
Tompkins, “Spatial patterns of shallow clouds: Challenging the concept of defined
regimes,” Geophysical Research Letters, vol. 53, no. 8. Wiley, 2026.'
ista: 'Biagioli G, Mandorli G, Freischem LJ, Casallas Garcia A, Tompkins AM. 2026.
Spatial patterns of shallow clouds: Challenging the concept of defined regimes.
Geophysical Research Letters. 53(8), e2025GL119921.'
mla: 'Biagioli, Giovanni, et al. “Spatial Patterns of Shallow Clouds: Challenging
the Concept of Defined Regimes.” Geophysical Research Letters, vol. 53,
no. 8, e2025GL119921, Wiley, 2026, doi:10.1029/2025gl119921.'
short: G. Biagioli, G. Mandorli, L.J. Freischem, A. Casallas Garcia, A.M. Tompkins,
Geophysical Research Letters 53 (2026).
date_created: 2026-04-21T06:04:41Z
date_published: 2026-04-28T00:00:00Z
date_updated: 2026-04-28T13:35:53Z
day: '28'
ddc:
- '550'
department:
- _id: CaMu
doi: 10.1029/2025gl119921
ec_funded: 1
file:
- access_level: open_access
checksum: 2cd4ae120b14b244f5b2f50eaae0efc1
content_type: application/pdf
creator: acasalla
date_created: 2026-04-21T06:07:22Z
date_updated: 2026-04-21T06:07:22Z
file_id: '21756'
file_name: Gio_Casallas_2026.pdf
file_size: 1544417
relation: main_file
success: 1
file_date_updated: 2026-04-21T06:07:22Z
fulldoi: https://doi.org/10.1029/2025gl119921
has_accepted_license: '1'
intvolume: ' 53'
issue: '8'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Geophysical Research Letters
publication_identifier:
eissn:
- 1944-8007
issn:
- 0094-8276
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Spatial patterns of shallow clouds: Challenging the concept of defined regimes'
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: 53
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21760'
abstract:
- lang: eng
text: 3I/ATLAS is the third interstellar object discovered to date, following 1I/‘Oumuamua
and 2I/Borisov. Its unusually high excess velocity and active cometary nature
make it a key probe of the Galactic population of icy planetesimals. Understanding
its origin requires its past trajectory through the Galaxy to be traced and the
possible role of stellar encounters to be assessed, both as a potential origin
and a perturber to its orbit. We integrated the orbit of 3I/ATLAS backward in
time for 10 Myr, together with a sample of Gaia DR3 stars with high-quality astrometry
and radial velocities, to identify close passages within 2 pc. We identify 93
nominal encounters, 62 of which are significant at the 2σ level. However, none
of these encounters produced any meaningful perturbation. The strongest perturber
Gaia DR3 6863591389529611264 at 0.30 pc and with a relative velocity of 35 km
s−1, imparted only a velocity change of ∣Δv∣ ≃ 5 × 10−4 km s−1 to the orbit
of 3I/ATLAS. Our results indicate that no stellar flybys within the past 10 Myr
and 500 pc contained in Gaia DR3 can account for the present trajectory of 3I/ATLAS
or be associated with its origin. We further show that 3I/ATLAS is kinematically
consistent with a thin-disk population, despite its large peculiar velocity.
acknowledgement: We thank the anonymous referee for a careful reading of the manuscript
and for constructive comments that improved the paper. X.P.C. and S.T. thank J.L.
Gragera-Más and Ylva Götberg for their valuable feedback and comments. X.P.C. acknowledges
financial support from the Spanish National Programme for the Promotion of Talent
and its Employability grant PRE2022-104959 cofunded by the European Social Fund.
S.T. acknowledges the funding from the European Union’s Horizon 2020 research and
innovation program under the Marie Skłodowska-Curie grant agreement No. 101034413.
E.V. acknowledges support from the DISCOBOLO project funded by the Spanish Ministerio
de Ciencia, Innovación y Universidades under grant PID2021-127289NB-I00. A.J.M.
acknowledges support from the Swedish National Space Agency (Career grant 2023-00146).
X.P.C. and M.M. acknowledge support from the Spanish Ministerio de Ciencia, Innovaciòn
y Universidades under grants PID2021122842OB-C22 and PID2024-157964OB-C22; from
the Xunta de Galicia and the European Union (FEDER Galicia 2021-2027 Program) Ref.
ED431B 2024/21, ED431B 2024/02, and CITIC ED431G 2023/01. This work has made use
of data from the European Space Agency (ESA) Gaia mission and processed by the Gaia
Data Processing and Analysis Consortium (DPAC). Funding for the DPAC has been provided
by national institutions, particularly the institutions participating in the Gaia
Multilateral Agreement.
article_number: '146'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: X.
full_name: Pérez-Couto, X.
last_name: Pérez-Couto
- first_name: Santiago
full_name: Torres Rodriguez, Santiago
id: a8df4360-4328-11ee-8f1a-e502d0c83fc2
last_name: Torres Rodriguez
orcid: 0000-0002-3150-8988
- first_name: E.
full_name: Villaver, E.
last_name: Villaver
- first_name: A. J.
full_name: Mustill, A. J.
last_name: Mustill
- first_name: M.
full_name: Manteiga, M.
last_name: Manteiga
citation:
ama: 'Pérez-Couto X, Torres Rodriguez S, Villaver E, Mustill AJ, Manteiga M. 3I/ATLAS:
In search of the witnesses to its voyage. The Astrophysical Journal. 2026;1001(2).
doi:10.3847/1538-4357/ae56ff'
apa: 'Pérez-Couto, X., Torres Rodriguez, S., Villaver, E., Mustill, A. J., &
Manteiga, M. (2026). 3I/ATLAS: In search of the witnesses to its voyage. The
Astrophysical Journal. IOP Publishing. https://doi.org/10.3847/1538-4357/ae56ff'
chicago: 'Pérez-Couto, X., Santiago Torres Rodriguez, E. Villaver, A. J. Mustill,
and M. Manteiga. “3I/ATLAS: In Search of the Witnesses to Its Voyage.” The
Astrophysical Journal. IOP Publishing, 2026. https://doi.org/10.3847/1538-4357/ae56ff.'
ieee: 'X. Pérez-Couto, S. Torres Rodriguez, E. Villaver, A. J. Mustill, and M. Manteiga,
“3I/ATLAS: In search of the witnesses to its voyage,” The Astrophysical Journal,
vol. 1001, no. 2. IOP Publishing, 2026.'
ista: 'Pérez-Couto X, Torres Rodriguez S, Villaver E, Mustill AJ, Manteiga M. 2026.
3I/ATLAS: In search of the witnesses to its voyage. The Astrophysical Journal.
1001(2), 146.'
mla: 'Pérez-Couto, X., et al. “3I/ATLAS: In Search of the Witnesses to Its Voyage.”
The Astrophysical Journal, vol. 1001, no. 2, 146, IOP Publishing, 2026,
doi:10.3847/1538-4357/ae56ff.'
short: X. Pérez-Couto, S. Torres Rodriguez, E. Villaver, A.J. Mustill, M. Manteiga,
The Astrophysical Journal 1001 (2026).
date_created: 2026-04-26T22:01:46Z
date_published: 2026-04-20T00:00:00Z
date_updated: 2026-04-28T13:08:39Z
day: '20'
ddc:
- '520'
department:
- _id: LiBu
doi: 10.3847/1538-4357/ae56ff
ec_funded: 1
external_id:
arxiv:
- '2509.07678'
file:
- access_level: open_access
checksum: c3daf49261a9933c079854c38eec316f
content_type: application/pdf
creator: dernst
date_created: 2026-04-28T13:06:00Z
date_updated: 2026-04-28T13:06:00Z
file_id: '21773'
file_name: 2026_AstrophysicalJournal_PerezCouto.pdf
file_size: 2905627
relation: main_file
success: 1
file_date_updated: 2026-04-28T13:06:00Z
fulldoi: https://doi.org/10.3847/1538-4357/ae56ff
has_accepted_license: '1'
intvolume: ' 1001'
issue: '2'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: The Astrophysical Journal
publication_identifier:
eissn:
- 1538-4357
issn:
- 0004-637X
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: '3I/ATLAS: In search of the witnesses to its voyage'
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: 1001
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
_id: '21884'
abstract:
- lang: eng
text: "We show that a randomly perturbed digraph, where we start with a dense digraph
Dα and add a small number of random edges to it, will typically contain a fixed
orientation of a bounded-degree spanning tree. This answers a question posed by
Araujo, Balogh, Krueger, Piga and Treglown and generalizes the corresponding result
for randomly perturbed graphs by Krivelevich, Kwan and Sudakov. More specifically,
we prove that there exists a constant c=c(α,Δ) such that if \r\nT is an oriented
tree with maximum degree Δ and Dα is an n-vertex digraph with minimum semidegree
αn, then the graph obtained by adding cn uniformly random edges to Dα will contain
T with high probability."
acknowledgement: "We thank the anonymous referees for many helpful comments on an
earlier version of this\r\narticle. Kalina Petrova was supported by grant no. CRSII5
173721 of the Swiss National\r\nScience Foundation, and by the European Union’s
Horizon 2020 research and innovation\r\nprogramme under the Marie Sk lodowska-Curie
grant agreement No. 101034413"
article_number: P2.24
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Patryk
full_name: Morawski, Patryk
last_name: Morawski
- first_name: Kalina H
full_name: Petrova, Kalina H
id: 554ff4e4-f325-11ee-b0c4-a10dbd523381
last_name: Petrova
citation:
ama: Morawski P, Petrova KH. Randomly perturbed digraphs also have bounded-degree
spanning trees. Electronic Journal of Combinatorics. 2026;33(2). doi:10.37236/13316
apa: Morawski, P., & Petrova, K. H. (2026). Randomly perturbed digraphs also
have bounded-degree spanning trees. Electronic Journal of Combinatorics.
Electronic Journal of Combinatorics. https://doi.org/10.37236/13316
chicago: Morawski, Patryk, and Kalina H Petrova. “Randomly Perturbed Digraphs Also
Have Bounded-Degree Spanning Trees.” Electronic Journal of Combinatorics.
Electronic Journal of Combinatorics, 2026. https://doi.org/10.37236/13316.
ieee: P. Morawski and K. H. Petrova, “Randomly perturbed digraphs also have bounded-degree
spanning trees,” Electronic Journal of Combinatorics, vol. 33, no. 2. Electronic
Journal of Combinatorics, 2026.
ista: Morawski P, Petrova KH. 2026. Randomly perturbed digraphs also have bounded-degree
spanning trees. Electronic Journal of Combinatorics. 33(2), P2.24.
mla: Morawski, Patryk, and Kalina H. Petrova. “Randomly Perturbed Digraphs Also
Have Bounded-Degree Spanning Trees.” Electronic Journal of Combinatorics,
vol. 33, no. 2, P2.24, Electronic Journal of Combinatorics, 2026, doi:10.37236/13316.
short: P. Morawski, K.H. Petrova, Electronic Journal of Combinatorics 33 (2026).
corr_author: '1'
date_created: 2026-05-17T22:02:11Z
date_published: 2026-05-08T00:00:00Z
date_updated: 2026-05-18T08:50:18Z
day: '08'
ddc:
- '510'
department:
- _id: MaKw
doi: 10.37236/13316
ec_funded: 1
external_id:
arxiv:
- '2306.14648'
file:
- access_level: open_access
checksum: 9e8402cb2e8870ba7ded9ae7b308201a
content_type: application/pdf
creator: dernst
date_created: 2026-05-18T08:46:26Z
date_updated: 2026-05-18T08:46:26Z
file_id: '21893'
file_name: 2026_ElectrJournCombinatorics_Morawski.pdf
file_size: 399969
relation: main_file
success: 1
file_date_updated: 2026-05-18T08:46:26Z
fulldoi: https://doi.org/10.37236/13316
has_accepted_license: '1'
intvolume: ' 33'
issue: '2'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nd/4.0/
month: '05'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Electronic Journal of Combinatorics
publication_identifier:
eissn:
- 1077-8926
publication_status: published
publisher: Electronic Journal of Combinatorics
quality_controlled: '1'
scopus_import: '1'
status: public
title: Randomly perturbed digraphs also have bounded-degree spanning trees
tmp:
image: /image/cc_by_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nd/4.0/legalcode
name: Creative Commons Attribution-NoDerivatives 4.0 International (CC BY-ND 4.0)
short: CC BY-ND (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 33
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '20422'
abstract:
- lang: eng
text: "We show that if n is odd and p>=Clog n/n, then with high probability Hamilton
cycles in G(n,p) span its cycle space. More generally, we show this holds for
a class of graphs satisfying certain natural pseudorandom properties. The proof
is based on a novel idea of parity-switchers, which can be thought of as analogues
of absorbers in the context of cycle spaces. As another application of our method,
we show that Hamilton cycles in a near-Dirac graph G, that is, a graph G with
odd n vertices and minimum degree n/2+C for sufficiently large constant C, span
its cycle space.\r\n"
acknowledgement: 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. Image 1 Part of this research was conducted while the author was at
Department of Computer Science, ETH Zürich, Switzerland. This author was supported
by grant no. CRSII5 173721 of the Swiss National Science Foundation.
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Micha
full_name: Christoph, Micha
last_name: Christoph
- first_name: Rajko
full_name: Nenadov, Rajko
last_name: Nenadov
- first_name: Kalina H
full_name: Petrova, Kalina H
id: 554ff4e4-f325-11ee-b0c4-a10dbd523381
last_name: Petrova
citation:
ama: Christoph M, Nenadov R, Petrova KH. The Hamilton space of pseudorandom graphs.
Journal of Combinatorial Theory Series B. 2026;176:254-267. doi:10.1016/j.jctb.2025.09.002
apa: Christoph, M., Nenadov, R., & Petrova, K. H. (2026). The Hamilton space
of pseudorandom graphs. Journal of Combinatorial Theory Series B. Elsevier.
https://doi.org/10.1016/j.jctb.2025.09.002
chicago: Christoph, Micha, Rajko Nenadov, and Kalina H Petrova. “The Hamilton Space
of Pseudorandom Graphs.” Journal of Combinatorial Theory Series B. Elsevier,
2026. https://doi.org/10.1016/j.jctb.2025.09.002.
ieee: M. Christoph, R. Nenadov, and K. H. Petrova, “The Hamilton space of pseudorandom
graphs,” Journal of Combinatorial Theory Series B, vol. 176. Elsevier,
pp. 254–267, 2026.
ista: Christoph M, Nenadov R, Petrova KH. 2026. The Hamilton space of pseudorandom
graphs. Journal of Combinatorial Theory Series B. 176, 254–267.
mla: Christoph, Micha, et al. “The Hamilton Space of Pseudorandom Graphs.” Journal
of Combinatorial Theory Series B, vol. 176, Elsevier, 2026, pp. 254–67, doi:10.1016/j.jctb.2025.09.002.
short: M. Christoph, R. Nenadov, K.H. Petrova, Journal of Combinatorial Theory Series
B 176 (2026) 254–267.
corr_author: '1'
date_created: 2025-10-05T22:01:34Z
date_published: 2026-01-01T00:00:00Z
date_updated: 2026-01-05T13:29:52Z
day: '01'
ddc:
- '510'
department:
- _id: MaKw
doi: 10.1016/j.jctb.2025.09.002
ec_funded: 1
external_id:
arxiv:
- '2402.01447'
isi:
- '001585783400001'
file:
- access_level: open_access
checksum: 60676af4af4b3243ba187e7d65440d99
content_type: application/pdf
creator: dernst
date_created: 2026-01-05T13:29:34Z
date_updated: 2026-01-05T13:29:34Z
file_id: '20953'
file_name: 2026_JourCombTheoryB_Christoph.pdf
file_size: 688924
relation: main_file
success: 1
file_date_updated: 2026-01-05T13:29:34Z
fulldoi: https://doi.org/10.1016/j.jctb.2025.09.002
has_accepted_license: '1'
intvolume: ' 176'
isi: 1
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 254-267
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Journal of Combinatorial Theory Series B
publication_identifier:
eissn:
- 1096-0902
issn:
- 0095-8956
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: The Hamilton space of pseudorandom graphs
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: 176
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '20482'
abstract:
- lang: eng
text: 'In his study of graph codes, Alon introduced the concept of the odd-Ramsey
number of a family of graphs H in Kn, defined as the minimum number of colours
needed to colour the edges of K so that every copy of a graph H E H intersects
some colour class in an odd number of edges. In this paper, we focus on complete
bipartite graphs. First, we completely resolve the problem when H is the family
of all spanning complete bipartite graphs on n vertices. We then focus on its
subfamilies, that is, {Kt,n-t : t E T} for a fixed set of integers T c [[n/2]].
We prove that the odd-Ramsey problem is equivalent to determining the maximum
dimension of a linear binary code avoiding codewords of given weights, and leverage
known results from coding theory to deduce asymptotically tight bounds in our
setting. We conclude with bounds for the odd-Ramsey numbers of fixed (that is,
non-spanning) complete bipartite subgraphs.'
acknowledgement: "The authors would like to thank Gilles Zémor for a helpful clarification
on [3], Deepak Bal and Patrick Bennett for bringing [25] to their attention, and
both referees for several helpful comments.\r\nS.B.: Most of this research was conducted
while the author was at the School of Mathematics, University of Birmingham, Birmingham,
United Kingdom. The research leading to these results was supported by EPSRC, United
Kingdom, grant no. EP/V048287/1 and by ERC Advanced Grants “GeoScape”, no. 882971
and “ERMiD”, no. 101054936. There are no additional data beyond that contained within
the main manuscript.\r\nS.D.: Research supported by Taiwan NSTC grants 111-2115-M-002-009-MY2
and 113-2628-M-002-008-MY4.\r\nK.P.: 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. Parts of this research was conducted
while K.P. was at the Department of Computer Science, ETH Zürich, Switzerland, supported
by Swiss National Science Foundation, Switzerland , grant no. CRSII5 173721."
article_number: '104235'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Simona
full_name: Boyadzhiyska, Simona
last_name: Boyadzhiyska
- first_name: Shagnik
full_name: Das, Shagnik
last_name: Das
- first_name: Thomas
full_name: Lesgourgues, Thomas
last_name: Lesgourgues
- first_name: Kalina H
full_name: Petrova, Kalina H
id: 554ff4e4-f325-11ee-b0c4-a10dbd523381
last_name: Petrova
citation:
ama: Boyadzhiyska S, Das S, Lesgourgues T, Petrova KH. Odd-Ramsey numbers of complete
bipartite graphs. European Journal of Combinatorics. 2026;131. doi:10.1016/j.ejc.2025.104235
apa: Boyadzhiyska, S., Das, S., Lesgourgues, T., & Petrova, K. H. (2026). Odd-Ramsey
numbers of complete bipartite graphs. European Journal of Combinatorics.
Elsevier. https://doi.org/10.1016/j.ejc.2025.104235
chicago: Boyadzhiyska, Simona, Shagnik Das, Thomas Lesgourgues, and Kalina H Petrova.
“Odd-Ramsey Numbers of Complete Bipartite Graphs.” European Journal of Combinatorics.
Elsevier, 2026. https://doi.org/10.1016/j.ejc.2025.104235.
ieee: S. Boyadzhiyska, S. Das, T. Lesgourgues, and K. H. Petrova, “Odd-Ramsey numbers
of complete bipartite graphs,” European Journal of Combinatorics, vol.
131. Elsevier, 2026.
ista: Boyadzhiyska S, Das S, Lesgourgues T, Petrova KH. 2026. Odd-Ramsey numbers
of complete bipartite graphs. European Journal of Combinatorics. 131, 104235.
mla: Boyadzhiyska, Simona, et al. “Odd-Ramsey Numbers of Complete Bipartite Graphs.”
European Journal of Combinatorics, vol. 131, 104235, Elsevier, 2026, doi:10.1016/j.ejc.2025.104235.
short: S. Boyadzhiyska, S. Das, T. Lesgourgues, K.H. Petrova, European Journal of
Combinatorics 131 (2026).
corr_author: '1'
date_created: 2025-10-16T13:14:34Z
date_published: 2026-01-01T00:00:00Z
date_updated: 2026-01-05T13:34:48Z
day: '01'
ddc:
- '500'
department:
- _id: MaKw
doi: 10.1016/j.ejc.2025.104235
ec_funded: 1
external_id:
arxiv:
- '2410.05887'
isi:
- '001573380700001'
file:
- access_level: open_access
checksum: 52883daa217398396cbf9b8ad9ddae92
content_type: application/pdf
creator: dernst
date_created: 2026-01-05T13:34:40Z
date_updated: 2026-01-05T13:34:40Z
file_id: '20954'
file_name: 2026_EuropJourCombinatorics_Boyadzhiyska.pdf
file_size: 563029
relation: main_file
success: 1
file_date_updated: 2026-01-05T13:34:40Z
fulldoi: https://doi.org/10.1016/j.ejc.2025.104235
has_accepted_license: '1'
intvolume: ' 131'
isi: 1
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: European Journal of Combinatorics
publication_identifier:
issn:
- 0195-6698
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Odd-Ramsey numbers of complete bipartite graphs
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: 131
year: '2026'
...
---
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '22247'
abstract:
- lang: eng
text: "A linearly ordered (LO) k-colouring of a hypergraph is a colouring of its
vertices with colours 1, …, k such that each edge contains a unique maximal colour.
Deciding whether an input hypergraph admits LO k-colouring with a fixed number
of colours is NP-complete (and in the special case of graphs, LO colouring coincides
with the usual graph colouring).\r\nHere, we investigate the complexity of approximating
the “linearly ordered chromatic number” of a hypergraph. We prove that the following
promise problem is NP-complete: Given a 3-uniform hypergraph, distinguish between
the case that it is LO 3-colourable, and the case that it is not even LO 4-colourable.
We prove this result by a combination of algebraic, topological, and combinatorial
methods, building on and extending a topological approach for studying approximate
graph colouring introduced by Krokhin, Opršal, Wrochna, and Živný (2023)."
acknowledgement: "This research was supported by the Charles University project PRIMUS/21/SCI/014,
by the Ministry of Education, Youth\r\nand Sports of the Czech Republic under the
project MSCAfellow5_MUNI (CZ.02.01.01/00/22_010/0003229), and by the\r\nAustrian
Science Fund (FWF project P31312-N35). This research was funded by UKRI EP/X024431/1
and by a Clarendon\r\nFund Scholarship. This project has received funding from the
European Union’s Horizon 2020 research and innovation\r\nprogramme under the Marie
Skłodowska-Curie Grant Agreement No 101034413.\r\n"
article_number: '10'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Marek
full_name: Filakovský, Marek
id: 3E8AF77E-F248-11E8-B48F-1D18A9856A87
last_name: Filakovský
- first_name: Tamio Vesa
full_name: Nakajima, Tamio Vesa
last_name: Nakajima
- first_name: Jakub
full_name: Opršal, Jakub
id: ec596741-c539-11ec-b829-c79322a91242
last_name: Opršal
orcid: 0000-0003-1245-3456
- first_name: Gianluca
full_name: Tasinato, Gianluca
id: 0433290C-AF8F-11E9-A4C7-F729E6697425
last_name: Tasinato
- first_name: Uli
full_name: Wagner, Uli
id: 36690CA2-F248-11E8-B48F-1D18A9856A87
last_name: Wagner
orcid: 0000-0002-1494-0568
citation:
ama: Filakovský M, Nakajima TV, Opršal J, Tasinato G, Wagner U. Hardness of linearly
ordered 4-colouring of 3-colourable 3-uniform hypergraphs. ACM Transactions
on Computation Theory. 2026;18(2). doi:10.1145/3779121
apa: Filakovský, M., Nakajima, T. V., Opršal, J., Tasinato, G., & Wagner, U.
(2026). Hardness of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs.
ACM Transactions on Computation Theory. Association for Computing Machinery.
https://doi.org/10.1145/3779121
chicago: Filakovský, Marek, Tamio Vesa Nakajima, Jakub Opršal, Gianluca Tasinato,
and Uli Wagner. “Hardness of Linearly Ordered 4-Colouring of 3-Colourable 3-Uniform
Hypergraphs.” ACM Transactions on Computation Theory. Association for Computing
Machinery, 2026. https://doi.org/10.1145/3779121.
ieee: M. Filakovský, T. V. Nakajima, J. Opršal, G. Tasinato, and U. Wagner, “Hardness
of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs,” ACM
Transactions on Computation Theory, vol. 18, no. 2. Association for Computing
Machinery, 2026.
ista: Filakovský M, Nakajima TV, Opršal J, Tasinato G, Wagner U. 2026. Hardness
of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs. ACM Transactions
on Computation Theory. 18(2), 10.
mla: Filakovský, Marek, et al. “Hardness of Linearly Ordered 4-Colouring of 3-Colourable
3-Uniform Hypergraphs.” ACM Transactions on Computation Theory, vol. 18,
no. 2, 10, Association for Computing Machinery, 2026, doi:10.1145/3779121.
short: M. Filakovský, T.V. Nakajima, J. Opršal, G. Tasinato, U. Wagner, ACM Transactions
on Computation Theory 18 (2026).
corr_author: '1'
das_tickbox: '0'
date_created: 2026-07-05T22:01:37Z
date_published: 2026-05-04T00:00:00Z
date_updated: 2026-07-06T09:06:29Z
day: '04'
ddc:
- '500'
department:
- _id: UlWa
doi: 10.1145/3779121
ec_funded: 1
external_id:
arxiv:
- '2312.12981'
file:
- access_level: open_access
checksum: 0399ab94085878fc810084845eabd627
content_type: application/pdf
creator: dernst
date_created: 2026-07-06T09:03:02Z
date_updated: 2026-07-06T09:03:02Z
file_id: '22252'
file_name: 2026_TransactionsGraphics_Filakovsky.pdf
file_size: 941518
relation: main_file
success: 1
file_date_updated: 2026-07-06T09:03:02Z
fulldoi: https://doi.org/10.1145/3779121
has_accepted_license: '1'
intvolume: ' 18'
issue: '2'
keyword:
- Constraint satisfaction problem
- hypergraph colouring
- promise problem
- topological methods
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
project:
- _id: 26611F5C-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P31312
name: Algorithms for Embeddings and Homotopy Theory
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: ACM Transactions on Computation Theory
publication_identifier:
eissn:
- 1942-3462
issn:
- 1942-3454
publication_status: published
publisher: Association for Computing Machinery
quality_controlled: '1'
related_material:
record:
- id: '15168'
relation: earlier_version
status: public
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: no
title: Hardness of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs
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: 18
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21385'
abstract:
- lang: eng
text: 'We prove that the average size of a mixed character sum (math. formular)
(for a suitable smooth function w) is on the order of √x for all irrational real
θ satisfying a weak Diophantine condition, where χ is drawn from the family of
Dirichlet characters modulo a large prime r and where x 6 r. In contrast, it was
proved by Harper that the average size is o(√x) for rational θ. Certain quadratic
Diophantine equations play a key role in the present paper. '
acknowledgement: "We thank Ofir Gorodetsky, Andrew Granville, Adam Harper, Youness
Lamzouri,\r\nKannan Soundararajan, Ping Xi, and Matt Young for their interest, helpful
discussions, and comments. Special thanks are due to Jonathan Bober, Oleksiy Klurman,\r\nand
Besfort Shala for sending us a letter about Question 1.3, and to Hung Bui\r\nfor
informing us of [7]. V.W. thanks Stanford University for its hospitality and is
supported by the European Union’s Horizon 2020 research and innovation program\r\nunder
the Marie Skłodowska–Curie Grant Agreement No. 101034413. M.X. is supported by a
Simons Junior Fellowship from the Simons Society of Fellows at the\r\nSimons Foundation."
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Victor
full_name: Wang, Victor
id: 76096395-aea4-11ed-a680-ab8ebbd3f1b9
last_name: Wang
orcid: 0000-0002-0704-7026
- first_name: Max
full_name: Xu, Max
last_name: Xu
citation:
ama: 'Wang V, Xu M. Average sizes of mixed character sums. Proceedings of the
Royal Society of Edinburgh: Section A Mathematics. 2026:1-15. doi:10.1017/prm.2026.10123'
apa: 'Wang, V., & Xu, M. (2026). Average sizes of mixed character sums. Proceedings
of the Royal Society of Edinburgh: Section A Mathematics. Cambridge University
Press. https://doi.org/10.1017/prm.2026.10123'
chicago: 'Wang, Victor, and Max Xu. “Average Sizes of Mixed Character Sums.” Proceedings
of the Royal Society of Edinburgh: Section A Mathematics. Cambridge University
Press, 2026. https://doi.org/10.1017/prm.2026.10123.'
ieee: 'V. Wang and M. Xu, “Average sizes of mixed character sums,” Proceedings
of the Royal Society of Edinburgh: Section A Mathematics. Cambridge University
Press, pp. 1–15, 2026.'
ista: 'Wang V, Xu M. 2026. Average sizes of mixed character sums. Proceedings of
the Royal Society of Edinburgh: Section A Mathematics., 1–15.'
mla: 'Wang, Victor, and Max Xu. “Average Sizes of Mixed Character Sums.” Proceedings
of the Royal Society of Edinburgh: Section A Mathematics, Cambridge University
Press, 2026, pp. 1–15, doi:10.1017/prm.2026.10123.'
short: 'V. Wang, M. Xu, Proceedings of the Royal Society of Edinburgh: Section A
Mathematics (2026) 1–15.'
corr_author: '1'
das_tickbox: '0'
date_created: 2026-03-02T10:09:23Z
date_published: 2026-01-01T00:00:00Z
date_updated: 2026-07-16T08:39:57Z
ddc:
- '510'
department:
- _id: TiBr
doi: 10.1017/prm.2026.10123
ec_funded: 1
external_id:
arxiv:
- '2411.14181'
fulldoi: https://doi.org/10.1017/prm.2026.10123
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1017/prm.2026.10123
month: '01'
oa: 1
oa_version: Published Version
page: 1-15
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: 'Proceedings of the Royal Society of Edinburgh: Section A Mathematics'
publication_identifier:
eissn:
- 1473-7124
issn:
- 0308-2105
publication_status: epub_ahead
publisher: Cambridge University Press
quality_controlled: '1'
researchdata_availability: no
status: public
supplementarymaterial: no
title: Average sizes of mixed character sums
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
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '17437'
abstract:
- lang: eng
text: We prove that the zero-fiber of the moment map of a totally negative quiver
has rational singularities. Our proof consists in generalizing dimension bounds
on jet spaces of this fiber, which were introduced by Budur. We also transfer
the rational singularities property to other moduli spaces of objects in 2-Calabi-Yau
categories, based on recent work of Davison. This has interesting arithmetic applications
on quiver moment maps and moduli spaces of objects in 2-Calabi-Yau categories.
First, we generalize results of Wyss on the asymptotic behaviour of counts of
jets of quiver moment maps over finite fields. Moreover, we interpret the limit
of counts of jets on a given moduli space as its p-adic volume under a canonical
measure analogous to the measure built by Carocci, Orecchia and Wyss on certain
moduli spaces of coherent sheaves.
acknowledgement: "I would like to warmly thank Dimitri Wyss for his guidance and supervision
and Nero Budur for helpful discussions and answering all my questions on his previous
works. I would also like to thank Francesca Carocci, Ben Davison, Lucien Hennecart
and Olivier Schiffmann for helpful remarks and discussions during the writing of
this paper. Finally, I would like to thank the anonymous referees for their careful
reading and suggesting improvements in the exposition.\r\nOpen access funding provided
by Institute of Science and Technology (IST Austria). This work was supported by
the Swiss National Science Foundation [No. 196960]. This project has also received
funding from the European Union’s Horizon 2020 research and innovation programme
under the Marie Skłodowska-Curie Grant Agreement No. 101034413."
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Tanguy
full_name: Vernet, Tanguy
id: 19f1e3bf-c59a-11ee-a1af-ed269948817b
last_name: Vernet
citation:
ama: Vernet T. Rational singularities for moment maps of totally negative quivers.
Transformation Groups. 2026;31:1047-1083. doi:10.1007/s00031-024-09873-0
apa: Vernet, T. (2026). Rational singularities for moment maps of totally negative
quivers. Transformation Groups. Springer Nature. https://doi.org/10.1007/s00031-024-09873-0
chicago: Vernet, Tanguy. “Rational Singularities for Moment Maps of Totally Negative
Quivers.” Transformation Groups. Springer Nature, 2026. https://doi.org/10.1007/s00031-024-09873-0.
ieee: T. Vernet, “Rational singularities for moment maps of totally negative quivers,”
Transformation Groups, vol. 31. Springer Nature, pp. 1047–1083, 2026.
ista: Vernet T. 2026. Rational singularities for moment maps of totally negative
quivers. Transformation Groups. 31, 1047–1083.
mla: Vernet, Tanguy. “Rational Singularities for Moment Maps of Totally Negative
Quivers.” Transformation Groups, vol. 31, Springer Nature, 2026, pp. 1047–83,
doi:10.1007/s00031-024-09873-0.
short: T. Vernet, Transformation Groups 31 (2026) 1047–1083.
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: Not applicable.
date_created: 2024-08-18T22:01:04Z
date_published: 2026-03-01T00:00:00Z
date_updated: 2026-07-23T05:51:07Z
day: '01'
ddc:
- '510'
department:
- _id: TaHa
doi: 10.1007/s00031-024-09873-0
ec_funded: 1
external_id:
isi:
- '001287455300001'
file:
- access_level: open_access
checksum: 8985b4154b730284d3412ddc9e55d965
content_type: application/pdf
creator: dernst
date_created: 2026-07-23T05:50:09Z
date_updated: 2026-07-23T05:50:09Z
file_id: '22385'
file_name: 2026_TransformationGroups_Vernet.pdf
file_size: 912029
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success: 1
file_date_updated: 2026-07-23T05:50:09Z
fulldoi: https://doi.org/10.1007/s00031-024-09873-0
has_accepted_license: '1'
intvolume: ' 31'
isi: 1
language:
- iso: eng
mathsc:
- 14B05
- 14D23
- 14G20
- 16G20
month: '03'
oa: 1
oa_version: Published Version
page: 1047-1083
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Transformation Groups
publication_identifier:
eissn:
- 1531-586X
issn:
- 1083-4362
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: not applicable
scopus_import: '1'
status: public
supplementarymaterial: no
title: Rational singularities for moment maps of totally negative quivers
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: 31
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '20590'
abstract:
- lang: eng
text: 'Moist convection is a fundamental process occurring in the Earth''s atmosphere.
It plays a central role in the weather and climate of the Tropics, where, to first
order, the heating of the atmosphere by convection is in balance with the cooling
of the atmosphere by the emission of radiation to outer space. In this study,
we use a cloud-resolving model in radiative–convective equilibrium with an imposed
constant rate of radiative cooling and study the response of moist convection
to varying this rate of radiative cooling. In particular, we study two types of
simulation: varying air temperature (VAT) simulations, where the air temperature
is allowed to adjust to the imposed radiative cooling, and constant air temperature
(CAT) simulations, where the surface temperature is tuned to ensure that the atmospheric
temperature profile in the domain is constant. We recover the previously known
result that, in response to increasing radiative cooling, the area of convection
expands rapidly, while the intensity of convection does not change. We find that
this response is explained by the increased boundary-layer variability in simulations
with greater radiative cooling, which compensates for the decreasing temperature
by adding a larger initial velocity close to the cloud base. We also propose a
fundamental scaling of the non-dimensional cumulus mass flux in moist convection,
which is robust across models of different complexity. We aim to bridge the gap
between highly idealised prototypes of moist convection, such as the “Rainy–Bénard
convection” introduced by Vallis et al., and comprehensive cloud-resolving models.'
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "The authors gratefully acknowledge discussions with Professor Robert
Plant (University of Reading, UK), Professor Steve Sherwood (University of New South
Wales, Australia), Professor Steve Tobias, Professor Douglas Parker, and Gregory
Dritschel (University of Leeds, UK). Discussions with colleagues at the Institute
of Science and Technology Austria played a large role in shaping this study. The
authors are particularly grateful for inputs and discussions from Dr. Jiawei Bao,
Dr. Alejandro Casallas, and Alzbeta Pechacova.\r\nThis project has received funding
from the European Union's Horizon 2020 research and innovation programme under the
Marie Sklodowska–Curie grant agreement No. 101034413. C. Muller gratefully acknowledges
funding from the European Research Council (ERC) under the European Union's Horizon
2020 research and innovation program (Project CLUSTER, Grant Agreement No. 805041).
This research was supported by the Scientific Service Units (SSU) of IST Austria
through resources provided by Scientific Computing (SciComp). Open Access funding
provided by Institute of Science and Technology Austria/KEMÖ."
article_number: e70044
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Lokahith N
full_name: Agasthya, Lokahith N
id: cd100965-0804-11ed-9c55-f4878ff4e877
last_name: Agasthya
- first_name: Caroline J
full_name: Muller, Caroline J
id: f978ccb0-3f7f-11eb-b193-b0e2bd13182b
last_name: Muller
orcid: 0000-0001-5836-5350
citation:
ama: 'Agasthya LN, Muller CJ. Moist convection and radiative cooling: Dynamical
response and scaling. Quarterly Journal of the Royal Meteorological Society.
2026;152(775). doi:10.1002/qj.70044'
apa: 'Agasthya, L. N., & Muller, C. J. (2026). Moist convection and radiative
cooling: Dynamical response and scaling. Quarterly Journal of the Royal Meteorological
Society. Wiley. https://doi.org/10.1002/qj.70044'
chicago: 'Agasthya, Lokahith N, and Caroline J Muller. “Moist Convection and Radiative
Cooling: Dynamical Response and Scaling.” Quarterly Journal of the Royal Meteorological
Society. Wiley, 2026. https://doi.org/10.1002/qj.70044.'
ieee: 'L. N. Agasthya and C. J. Muller, “Moist convection and radiative cooling:
Dynamical response and scaling,” Quarterly Journal of the Royal Meteorological
Society, vol. 152, no. 775. Wiley, 2026.'
ista: 'Agasthya LN, Muller CJ. 2026. Moist convection and radiative cooling: Dynamical
response and scaling. Quarterly Journal of the Royal Meteorological Society. 152(775),
e70044.'
mla: 'Agasthya, Lokahith N., and Caroline J. Muller. “Moist Convection and Radiative
Cooling: Dynamical Response and Scaling.” Quarterly Journal of the Royal Meteorological
Society, vol. 152, no. 775, e70044, Wiley, 2026, doi:10.1002/qj.70044.'
short: L.N. Agasthya, C.J. Muller, Quarterly Journal of the Royal Meteorological
Society 152 (2026).
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: The data that support the findings of this study are available
from the corresponding author, L. Agasthya, upon reasonable request.
date_created: 2025-11-02T23:01:34Z
date_published: 2026-01-01T00:00:00Z
date_updated: 2026-07-23T12:11:25Z
day: '01'
ddc:
- '550'
department:
- _id: CaMu
doi: 10.1002/qj.70044
ec_funded: 1
external_id:
isi:
- '001595821400001'
file:
- access_level: open_access
checksum: 8dd4d4d3ad027a4d26cbe5b1d66371e9
content_type: application/pdf
creator: dernst
date_created: 2026-07-23T12:10:28Z
date_updated: 2026-07-23T12:10:28Z
file_id: '22398'
file_name: 2026_QuartJourRoyalMeteorobiolSoc_Agasthya.pdf
file_size: 2665988
relation: main_file
success: 1
file_date_updated: 2026-07-23T12:10:28Z
fulldoi: https://doi.org/10.1002/qj.70044
has_accepted_license: '1'
intvolume: ' 152'
isi: 1
issue: '775'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
- _id: 629205d8-2b32-11ec-9570-e1356ff73576
call_identifier: H2020
grant_number: '805041'
name: Organization of CLoUdS, and implications of Tropical cyclones and for the
Energetics of the tropics, in current and waRming climate
publication: Quarterly Journal of the Royal Meteorological Society
publication_identifier:
eissn:
- 1477-870X
issn:
- 0035-9009
publication_status: published
publisher: Wiley
quality_controlled: '1'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: yes
title: 'Moist convection and radiative cooling: Dynamical response and scaling'
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: 152
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
_id: '20655'
abstract:
- lang: eng
text: Traits that affect organismal fitness are often highly genetically variable.
This genetic variation is vital for populations to adapt to their environments,
but it is also surprising given that nature – after all – ‘selects’ the best genotypes
at the expense of those that fall short. Explaining the extensive genetic variation
of fitness‐related traits is thus a longstanding puzzle in evolutionary biology,
with cascading implications for ecology, conservation, and human health. Balancing
selection – an umbrella term for scenarios in which natural selection maintains
genetic variation – is a century‐old explanation to resolve this puzzle that has
gained recent momentum from genome‐scale methods for detecting it. Yet evaluating
whether balancing selection can, in fact, resolve the puzzle is challenging, given
the logistical constraints of distinguishing balancing selection from alternative
hypotheses and the daunting collection of theoretical models that formally underpin
this debate. Here, we track the development of balancing selection theory over
the last century and provide an accessible review of this rich collection of models.
We first outline the range of biological scenarios that can generate balancing
selection. We then examine how fundamental features of genetic systems – non‐random
mating between individuals, ploidy levels, genetic drift, linkage, and genetic
architectures of traits – have been progressively incorporated into the theory.
We end by linking these theoretical predictions to ongoing empirical efforts to
understand the evolutionary processes that explain genetic variation.
acknowledgement: 'We thank Brian Charlesworth, Deborah Charlesworth, and Sally Otto
for extensive comments and suggestions. We also thank Göran Arnqvist, Adam Eyre-Walker,
Philip Hedrick, Jitka Polechová, and Henrique Teotónio for further helpful comments
on the manuscript. This work was supported by a H2020 Marie Skłodowska-Curie COFUND
Action fellowship (#101034413, to F. R.), the Birgitta Sintring Foundation (#S2024-0007,
to M. K. Z.), the Research Council of Norway (302619, to D. G.), the Alexander von
Humboldt Foundation (to H. K.), the Swiss National Science Foundation (#211549,
to X. L. R.), the Swedish Research Council (#2022-03603, to CO; #2020-03123, to
E. I. S.) and the European Research Council (ERC-2023-STG-#101117517, to C. O.).
We are particularly grateful to the European Society for Evolutionary Biology for
funding a Special Topics Network workshop (to T. C., H. K., E. I. S.), from which
this review began. Open Access funding provided by Institute of Science and Technology
Austria/KEMÖ.'
article_number: 804-825
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Filip
full_name: Ruzicka, Filip
id: 347955dd-57b0-11ee-9095-c28bdd368f4b
last_name: Ruzicka
- first_name: Martyna K.
full_name: Zwoinska, Martyna K.
last_name: Zwoinska
- first_name: Debora
full_name: Goedert, Debora
last_name: Goedert
- first_name: Hanna
full_name: Kokko, Hanna
last_name: Kokko
- first_name: Xiang‐Yi
full_name: Li Richter, Xiang‐Yi
last_name: Li Richter
- first_name: Iain R.
full_name: Moodie, Iain R.
last_name: Moodie
- first_name: Sofie
full_name: Nilén, Sofie
last_name: Nilén
- first_name: Colin
full_name: Olito, Colin
last_name: Olito
- first_name: Erik I.
full_name: Svensson, Erik I.
last_name: Svensson
- first_name: Peter
full_name: Czuppon, Peter
last_name: Czuppon
- first_name: Tim
full_name: Connallon, Tim
last_name: Connallon
citation:
ama: Ruzicka F, Zwoinska MK, Goedert D, et al. A century of theories of balancing
selection. Biological Reviews. 2026;101(2). doi:10.1111/brv.70103
apa: Ruzicka, F., Zwoinska, M. K., Goedert, D., Kokko, H., Li Richter, X., Moodie,
I. R., … Connallon, T. (2026). A century of theories of balancing selection. Biological
Reviews. Wiley. https://doi.org/10.1111/brv.70103
chicago: Ruzicka, Filip, Martyna K. Zwoinska, Debora Goedert, Hanna Kokko, Xiang‐Yi
Li Richter, Iain R. Moodie, Sofie Nilén, et al. “A Century of Theories of Balancing
Selection.” Biological Reviews. Wiley, 2026. https://doi.org/10.1111/brv.70103.
ieee: F. Ruzicka et al., “A century of theories of balancing selection,”
Biological Reviews, vol. 101, no. 2. Wiley, 2026.
ista: Ruzicka F, Zwoinska MK, Goedert D, Kokko H, Li Richter X, Moodie IR, Nilén
S, Olito C, Svensson EI, Czuppon P, Connallon T. 2026. A century of theories of
balancing selection. Biological Reviews. 101(2), 804–825.
mla: Ruzicka, Filip, et al. “A Century of Theories of Balancing Selection.” Biological
Reviews, vol. 101, no. 2, 804–825, Wiley, 2026, doi:10.1111/brv.70103.
short: F. Ruzicka, M.K. Zwoinska, D. Goedert, H. Kokko, X. Li Richter, I.R. Moodie,
S. Nilén, C. Olito, E.I. Svensson, P. Czuppon, T. Connallon, Biological Reviews
101 (2026).
corr_author: '1'
das_tickbox: '0'
date_created: 2025-11-19T09:43:50Z
date_published: 2026-04-01T00:00:00Z
date_updated: 2026-07-27T08:08:09Z
day: '01'
ddc:
- '570'
department:
- _id: BeVi
doi: 10.1111/brv.70103
ec_funded: 1
external_id:
isi:
- '001614285900001'
pmid:
- '41235821 '
file:
- access_level: open_access
checksum: 167d95cf0570d6e3653ab349b2a4355c
content_type: application/pdf
creator: dernst
date_created: 2026-07-27T08:07:35Z
date_updated: 2026-07-27T08:07:35Z
file_id: '22409'
file_name: 2026_BiologicalReviews_Ruzicka.pdf
file_size: 1757556
relation: main_file
success: 1
file_date_updated: 2026-07-27T08:07:35Z
fulldoi: https://doi.org/10.1111/brv.70103
has_accepted_license: '1'
intvolume: ' 101'
isi: 1
issue: '2'
keyword:
- evolutionary theory
- population genetics
- balancing selection
- heterozygote advantage
- trade-offs
- negative frequency-dependent selection
- fitness variation
- mathematical modelling
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Biological Reviews
publication_identifier:
eissn:
- 1469-185X
issn:
- 1464-7931
publication_status: published
publisher: Wiley
quality_controlled: '1'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: yes
title: A century of theories of balancing selection
tmp:
image: /images/cc_by_nc.png
legal_code_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode
name: Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
short: CC BY-NC (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 101
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
_id: '21217'
abstract:
- lang: eng
text: This study investigates the mechanisms driving clustered convection and the
breakdown of the Intertropical Convergence Zone (ITCZ) over the Western Pacific
Warm Pool using high‐resolution cloud‐resolving simulations and machine‐learning
sensitivity experiments. Results show that ITCZ breakdown episodes, marked by
spatially homogeneous convection and weakened meridional moisture gradients, are
triggered primarily by anomalous moisture advection linked to the equatorial Rossby‐wave
activity. While large‐scale moisture advection regulates the background convective
state strongly, it is the surface and low‐level meridional winds that dominate
transitions between clustered and random convection. Simulations demonstrate that
moisture alone can sustain convective clustering, but breakdown episodes are more
persistent and widespread when coupled with southerly meridional advection. These
findings confirm that wave‐driven advection acts as a regulatory mechanism, periodically
disrupting convective clustering and reshaping the meridional moisture gradient.
This modulation of organization by wave‐induced breakdown events is critical for
understanding tropical convection variability and its implications for the climate
system.
acknowledgement: This article is based on chapter 5 of the PhD thesis of A. Casallas.
The authors thank Graziano Giuliani for discussions on the boundary-condition experiments.
A. Casallas was supported by a PhD fellowship awarded by the Abdus Salam International
Centre for Theoretical Physics. A. Casallas also acknowledges support by the European
Union's Horizon 2020 research and innovation program under the Marie Skłodowska-Curie
grant agreement No 101034413. C. Muller acknowledges funding from the European Research
Council (ERC) under the European Union's Horizon 2020 research and innovation program
(Project CLUSTER, Grant Agreement No. 805041). The authors gratefully acknowledge
Daniel Hernández-Deckers, Lokahith Agasthya, Chris Holloway, and Paolina Cerlini
for their valuable feedback and insightful discussions. They are especially thankful
to Bety Pechacova for suggesting the use of SHAP to complement their analysis. They
also thank the two anonymous reviewers for their constructive comments, which improved
the quality and clarity of the article significantly. Open Access funding provided
by Institute of Science and Technology Austria/KEMÖ.
article_number: e70131
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Alejandro
full_name: Casallas Garcia, Alejandro
id: 92081129-2d75-11ef-a48d-b04dd7a2385a
last_name: Casallas Garcia
orcid: 0000-0002-1988-5035
- first_name: Adrian
full_name: Mark Tompkins, Adrian
last_name: Mark Tompkins
- first_name: Caroline J
full_name: Muller, Caroline J
id: f978ccb0-3f7f-11eb-b193-b0e2bd13182b
last_name: Muller
orcid: 0000-0001-5836-5350
citation:
ama: Casallas Garcia A, Mark Tompkins A, Muller CJ. Moisture and wind effects of
Rossby waves on Western Pacific Intertropical Convergence Zone breakdown events.
Quarterly Journal of the Royal Meteorological Society. 2026;152(777). doi:10.1002/qj.70131
apa: Casallas Garcia, A., Mark Tompkins, A., & Muller, C. J. (2026). Moisture
and wind effects of Rossby waves on Western Pacific Intertropical Convergence
Zone breakdown events. Quarterly Journal of the Royal Meteorological Society.
Wiley. https://doi.org/10.1002/qj.70131
chicago: Casallas Garcia, Alejandro, Adrian Mark Tompkins, and Caroline J Muller.
“Moisture and Wind Effects of Rossby Waves on Western Pacific Intertropical Convergence
Zone Breakdown Events.” Quarterly Journal of the Royal Meteorological Society.
Wiley, 2026. https://doi.org/10.1002/qj.70131.
ieee: A. Casallas Garcia, A. Mark Tompkins, and C. J. Muller, “Moisture and wind
effects of Rossby waves on Western Pacific Intertropical Convergence Zone breakdown
events,” Quarterly Journal of the Royal Meteorological Society, vol. 152,
no. 777. Wiley, 2026.
ista: Casallas Garcia A, Mark Tompkins A, Muller CJ. 2026. Moisture and wind effects
of Rossby waves on Western Pacific Intertropical Convergence Zone breakdown events.
Quarterly Journal of the Royal Meteorological Society. 152(777), e70131.
mla: Casallas Garcia, Alejandro, et al. “Moisture and Wind Effects of Rossby Waves
on Western Pacific Intertropical Convergence Zone Breakdown Events.” Quarterly
Journal of the Royal Meteorological Society, vol. 152, no. 777, e70131, Wiley,
2026, doi:10.1002/qj.70131.
short: A. Casallas Garcia, A. Mark Tompkins, C.J. Muller, Quarterly Journal of the
Royal Meteorological Society 152 (2026).
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: The data that support the findings of this study are available
from the corresponding author, Alejandro Casallas, upon reasonable request.
date_created: 2026-02-12T10:13:02Z
date_published: 2026-04-01T00:00:00Z
date_updated: 2026-07-27T11:10:50Z
day: '01'
ddc:
- '550'
department:
- _id: CaMu
doi: 10.1002/qj.70131
ec_funded: 1
file:
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checksum: 3edd5dee1459dcf62973ae501270be8c
content_type: application/pdf
creator: dernst
date_created: 2026-07-27T11:09:24Z
date_updated: 2026-07-27T11:09:24Z
file_id: '22419'
file_name: 2026_QuarterlyJourRoyalMeteorolSoc_Casallas.pdf
file_size: 11133215
relation: main_file
success: 1
file_date_updated: 2026-07-27T11:09:24Z
fulldoi: https://doi.org/10.1002/qj.70131
has_accepted_license: '1'
intvolume: ' 152'
issue: '777'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
- _id: 629205d8-2b32-11ec-9570-e1356ff73576
call_identifier: H2020
grant_number: '805041'
name: Organization of CLoUdS, and implications of Tropical cyclones and for the
Energetics of the tropics, in current and waRming climate
publication: Quarterly Journal of the Royal Meteorological Society
publication_identifier:
eissn:
- 1477-870X
issn:
- 0035-9009
publication_status: published
publisher: Wiley
quality_controlled: '1'
researchdata_availability: upon request
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Moisture and wind effects of Rossby waves on Western Pacific Intertropical
Convergence Zone breakdown events
tmp:
image: /images/cc_by_nc.png
legal_code_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode
name: Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
short: CC BY-NC (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 152
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '21504'
abstract:
- lang: eng
text: Selecting an appropriate divergence measure is a critical aspect of machine
learning, as it directly impacts model performance. Among the most widely used,
we find the Kullback–Leibler (KL) divergence, originally introduced in kinetic
theory as a measure of relative entropy between probability distributions. Just
as in machine learning, the ability to quantify the proximity of probability distributions
plays a central role in kinetic theory. In this paper, we present a comparative
review of divergence measures rooted in kinetic theory, highlighting their theoretical
foundations and exploring their potential applications in machine learning and
artificial intelligence.
acknowledgement: "This work has been written within the activities of GNCS and GNFM
groups of INdAM (Italian\r\nNational Institute of High Mathematics). G.B. has been
funded by the European Union’s Horizon 2020 research and innovation programme under
the Marie Sklodowska-Curie grant agreement No 101034413. P.G. has been funded by
the European Union - NextGenerationEU, in the framework of the GRINSGrowing Resilient,
INclusive and Sustainable (GRINS PE00000018)."
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Gennaro
full_name: Auricchio, Gennaro
last_name: Auricchio
- first_name: Giovanni
full_name: Brigati, Giovanni
id: 63ff57e8-1fbb-11ee-88f2-f558ffc59cf1
last_name: Brigati
- first_name: Paolo
full_name: Giudici, Paolo
last_name: Giudici
- first_name: Giuseppe
full_name: Toscani, Giuseppe
last_name: Toscani
citation:
ama: 'Auricchio G, Brigati G, Giudici P, Toscani G. From kinetic theory to AI: A
rediscovery of high-dimensional divergences and their properties. Mathematical
Models and Methods in Applied Sciences. 2026;36(6):1185-1233. doi:10.1142/S0218202526410010'
apa: 'Auricchio, G., Brigati, G., Giudici, P., & Toscani, G. (2026). From kinetic
theory to AI: A rediscovery of high-dimensional divergences and their properties.
Mathematical Models and Methods in Applied Sciences. World Scientific Publishing.
https://doi.org/10.1142/S0218202526410010'
chicago: 'Auricchio, Gennaro, Giovanni Brigati, Paolo Giudici, and Giuseppe Toscani.
“From Kinetic Theory to AI: A Rediscovery of High-Dimensional Divergences and
Their Properties.” Mathematical Models and Methods in Applied Sciences.
World Scientific Publishing, 2026. https://doi.org/10.1142/S0218202526410010.'
ieee: 'G. Auricchio, G. Brigati, P. Giudici, and G. Toscani, “From kinetic theory
to AI: A rediscovery of high-dimensional divergences and their properties,” Mathematical
Models and Methods in Applied Sciences, vol. 36, no. 6. World Scientific Publishing,
pp. 1185–1233, 2026.'
ista: 'Auricchio G, Brigati G, Giudici P, Toscani G. 2026. From kinetic theory to
AI: A rediscovery of high-dimensional divergences and their properties. Mathematical
Models and Methods in Applied Sciences. 36(6), 1185–1233.'
mla: 'Auricchio, Gennaro, et al. “From Kinetic Theory to AI: A Rediscovery of High-Dimensional
Divergences and Their Properties.” Mathematical Models and Methods in Applied
Sciences, vol. 36, no. 6, World Scientific Publishing, 2026, pp. 1185–233,
doi:10.1142/S0218202526410010.'
short: G. Auricchio, G. Brigati, P. Giudici, G. Toscani, Mathematical Models and
Methods in Applied Sciences 36 (2026) 1185–1233.
das_tickbox: '0'
date_created: 2026-03-29T22:07:08Z
date_published: 2026-06-01T00:00:00Z
date_updated: 2026-07-27T12:11:38Z
day: '01'
department:
- _id: JaMa
doi: 10.1142/S0218202526410010
ec_funded: 1
external_id:
arxiv:
- '2507.11387'
fulldoi: https://doi.org/10.1142/S0218202526410010
intvolume: ' 36'
issue: '6'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2507.11387
mathsc:
- 35B40
- 35L60
- 35K55
- 35Q70
- 35Q91
- 35Q92
month: '06'
oa: 1
oa_version: Preprint
page: 1185-1233
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Mathematical Models and Methods in Applied Sciences
publication_identifier:
eissn:
- 1793-6314
issn:
- 0218-2025
publication_status: published
publisher: World Scientific Publishing
quality_controlled: '1'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: no
title: 'From kinetic theory to AI: A rediscovery of high-dimensional divergences and
their properties'
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 36
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21849'
abstract:
- lang: eng
text: The development of complex tissues relies on the precise assignment of cell
identity. At the molecular scale, this process depends on the deposition of epigenetic
modifications—such as methylation—that are regulated by complex biochemical networks
and occur at specific regions on the DNA and chromatin. Here we show that despite
the complexity of epigenetic regulation, dynamical scaling and self-similarity
of DNA methylation marks emerge in embryonic development. Drawing on single-cell
multi-omics experiments, super-resolution microscopy and statistical physics,
we demonstrate that these phenomena originate in dynamical feedback between DNA
methylation and the formation of nanoscale dynamic chromatin aggregates. These
nanoscale processes lead to genome-wide increase in DNA methylation marks following
a power law and self-similar correlation functions. Using this framework, we identify
methylation patterns that precede gene expression changes in embryonic symmetry
breaking. Our work identifies linear sequencing measurements as a laboratory to
study mesoscopic biophysical processes in vivo.
acknowledgement: We thank all members of the W.R. and S.R. laboratories, F. Piazza,
B. D. Simons, and F. Jülicher for helpful discussions. We thank M. Ciarchi for providing
annotations for the chromatin compartments. S.R. is a member of the Center for Nano
Science (CeNS). This project has received funding from the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation programme
(grant agreement number 950349). Research in W.R.’s laboratory was supported by
the Biotechnology and Biological Sciences Research Council (BB/K010867/1), Wellcome
(095645/Z/11/Z) and the European Research Council (ERC) under the European Union’s
Horizon 2020 research and innovation programme (EpiCell lineage 882798). F.O. received
funding from the European Union’s Horizon 2020 research and innovation programme
under the Marie Skłodowska-Curie grant agreement number 101034413. Open access funding
provided by Max Planck Society.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Fabrizio
full_name: Olmeda, Fabrizio
id: 69dbf5fb-8a76-11ed-866b-fb486d8b5689
last_name: Olmeda
- first_name: Tim
full_name: Lohoff, Tim
last_name: Lohoff
- first_name: Ioannis
full_name: Kafetzopoulos, Ioannis
last_name: Kafetzopoulos
- first_name: Stephen J.
full_name: Clark, Stephen J.
last_name: Clark
- first_name: Laura
full_name: Benson, Laura
last_name: Benson
- first_name: Fatima
full_name: Santos, Fatima
last_name: Santos
- first_name: Felix
full_name: Krueger, Felix
last_name: Krueger
- first_name: Simon
full_name: Walker, Simon
last_name: Walker
- first_name: Wolf
full_name: Reik, Wolf
last_name: Reik
- first_name: Steffen
full_name: Rulands, Steffen
last_name: Rulands
citation:
ama: Olmeda F, Lohoff T, Kafetzopoulos I, et al. Scaling and self-similarity in
the formation of the embryonic epigenome. Nature Physics. 2026;22:931-940.
doi:10.1038/s41567-026-03263-x
apa: Olmeda, F., Lohoff, T., Kafetzopoulos, I., Clark, S. J., Benson, L., Santos,
F., … Rulands, S. (2026). Scaling and self-similarity in the formation of the
embryonic epigenome. Nature Physics. Springer Nature. https://doi.org/10.1038/s41567-026-03263-x
chicago: Olmeda, Fabrizio, Tim Lohoff, Ioannis Kafetzopoulos, Stephen J. Clark,
Laura Benson, Fatima Santos, Felix Krueger, Simon Walker, Wolf Reik, and Steffen
Rulands. “Scaling and Self-Similarity in the Formation of the Embryonic Epigenome.”
Nature Physics. Springer Nature, 2026. https://doi.org/10.1038/s41567-026-03263-x.
ieee: F. Olmeda et al., “Scaling and self-similarity in the formation of
the embryonic epigenome,” Nature Physics, vol. 22. Springer Nature, pp.
931–940, 2026.
ista: Olmeda F, Lohoff T, Kafetzopoulos I, Clark SJ, Benson L, Santos F, Krueger
F, Walker S, Reik W, Rulands S. 2026. Scaling and self-similarity in the formation
of the embryonic epigenome. Nature Physics. 22, 931–940.
mla: Olmeda, Fabrizio, et al. “Scaling and Self-Similarity in the Formation of the
Embryonic Epigenome.” Nature Physics, vol. 22, Springer Nature, 2026, pp.
931–40, doi:10.1038/s41567-026-03263-x.
short: F. Olmeda, T. Lohoff, I. Kafetzopoulos, S.J. Clark, L. Benson, F. Santos,
F. Krueger, S. Walker, W. Reik, S. Rulands, Nature Physics 22 (2026) 931–940.
das_tickbox: '1'
dataavailabilitystatement: All sequencing datasets reported in this paper are available
on Gene Expression Omnibus (GEO) under accession GSE166226. STORM localization data
are available on Zenodo (https://doi.org/10.5281/zenodo.18965309)57. Raw images
are available upon request. Code for computing the correlation functions and STORM
analysis are available via GitHub at https://github.com/srulands/inference_of_spatio-temporal_processes.
date_created: 2026-05-10T22:02:16Z
date_published: 2026-06-01T00:00:00Z
date_updated: 2026-07-27T13:56:09Z
day: '01'
ddc:
- '570'
department:
- _id: EdHa
doi: 10.1038/s41567-026-03263-x
ec_funded: 1
external_id:
pmid:
- '42318073'
file:
- access_level: open_access
checksum: 58e7734f1ebaf6def642140cb489f08f
content_type: application/pdf
creator: dernst
date_created: 2026-07-27T13:54:58Z
date_updated: 2026-07-27T13:54:58Z
file_id: '22591'
file_name: 2026_NaturePhysics_Olmeda.pdf
file_size: 7932222
relation: main_file
success: 1
file_date_updated: 2026-07-27T13:54:58Z
fulldoi: https://doi.org/10.1038/s41567-026-03263-x
has_accepted_license: '1'
intvolume: ' 22'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: 931-940
pmid: 1
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publication: Nature Physics
publication_identifier:
eissn:
- 1745-2481
issn:
- 1745-2473
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Scaling and self-similarity in the formation of the embryonic epigenome
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: 22
year: '2026'
...