---
_id: '12760'
abstract:
- lang: eng
text: "Dynamic programming (DP) is one of the fundamental paradigms in algorithm
design. However,\r\nmany DP algorithms have to fill in large DP tables, represented
by two-dimensional arrays, which causes at least quadratic running times and space
usages. This has led to the development of improved algorithms for special cases
when the DPs satisfy additional properties like, e.g., the Monge property or total
monotonicity.\r\nIn this paper, we consider a new condition which assumes (among
some other technical assumptions) that the rows of the DP table are monotone.
Under this assumption, we introduce\r\na novel data structure for computing (1
+ ϵ)-approximate DP solutions in near-linear time and\r\nspace in the static setting,
and with polylogarithmic update times when the DP entries change\r\ndynamically.
To the best of our knowledge, our new condition is incomparable to previous conditions
and is the first which allows to derive dynamic algorithms based on existing DPs.
Instead of using two-dimensional arrays to store the DP tables, we store the rows
of the DP tables using monotone piecewise constant functions. This allows us to
store length-n DP table rows with entries in [0, W] using only polylog(n, W) bits,
and to perform operations, such as (min, +)-convolution or rounding, on these
functions in polylogarithmic time.\r\nWe further present several applications
of our data structure. For bicriteria versions of k-balanced graph partitioning
and simultaneous source location, we obtain the first dynamic algorithms with
subpolynomial update times, as well as the first static algorithms using only
near-linear time and space. Additionally, we obtain the currently fastest algorithm
for fully dynamic knapsack."
acknowledgement: "Monika Henzinger: This project has received funding from the European
Research Council\r\n(ERC) under the European Union’s Horizon 2020 research and innovation
programme (Grant\r\nagreement No. 101019564 “The Design of Modern Fully Dynamic
Data Structures (MoDynStruct)” and from the Austrian Science Fund (FWF) project
“Fast Algorithms for a Reactive Network Layer (ReactNet)”, P 33775-N, with additional
funding from the netidee SCIENCE Stiftung, 2020–2024.\r\nStefan Neumann: This research
is supported by the the ERC Advanced Grant REBOUND (834862) and the EC H2020 RIA
project SoBigData++ (871042).\r\nStefan Schmid: Research supported by Austrian Science
Fund (FWF) project I 5025-N (DELTA), 2020-2024."
alternative_title:
- LIPIcs
article_number: '36'
article_processing_charge: No
arxiv: 1
author:
- first_name: Monika H
full_name: Henzinger, Monika H
id: 540c9bbd-f2de-11ec-812d-d04a5be85630
last_name: Henzinger
orcid: 0000-0002-5008-6530
- first_name: Stefan
full_name: Neumann, Stefan
last_name: Neumann
- first_name: Harald
full_name: Räcke, Harald
last_name: Räcke
- first_name: Stefan
full_name: Schmid, Stefan
last_name: Schmid
citation:
ama: 'Henzinger MH, Neumann S, Räcke H, Schmid S. Dynamic maintenance of monotone
dynamic programs and applications. In: 40th International Symposium on Theoretical
Aspects of Computer Science. Vol 254. Schloss Dagstuhl - Leibniz-Zentrum für
Informatik; 2023. doi:10.4230/LIPIcs.STACS.2023.36'
apa: 'Henzinger, M. H., Neumann, S., Räcke, H., & Schmid, S. (2023). Dynamic
maintenance of monotone dynamic programs and applications. In 40th International
Symposium on Theoretical Aspects of Computer Science (Vol. 254). Hamburg,
Germany: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.STACS.2023.36'
chicago: Henzinger, Monika H, Stefan Neumann, Harald Räcke, and Stefan Schmid. “Dynamic
Maintenance of Monotone Dynamic Programs and Applications.” In 40th International
Symposium on Theoretical Aspects of Computer Science, Vol. 254. Schloss Dagstuhl
- Leibniz-Zentrum für Informatik, 2023. https://doi.org/10.4230/LIPIcs.STACS.2023.36.
ieee: M. H. Henzinger, S. Neumann, H. Räcke, and S. Schmid, “Dynamic maintenance
of monotone dynamic programs and applications,” in 40th International Symposium
on Theoretical Aspects of Computer Science, Hamburg, Germany, 2023, vol. 254.
ista: 'Henzinger MH, Neumann S, Räcke H, Schmid S. 2023. Dynamic maintenance of
monotone dynamic programs and applications. 40th International Symposium on Theoretical
Aspects of Computer Science. STACS: Symposium on Theoretical Aspects of Computer
Science, LIPIcs, vol. 254, 36.'
mla: Henzinger, Monika H., et al. “Dynamic Maintenance of Monotone Dynamic Programs
and Applications.” 40th International Symposium on Theoretical Aspects of Computer
Science, vol. 254, 36, Schloss Dagstuhl - Leibniz-Zentrum für Informatik,
2023, doi:10.4230/LIPIcs.STACS.2023.36.
short: M.H. Henzinger, S. Neumann, H. Räcke, S. Schmid, in:, 40th International
Symposium on Theoretical Aspects of Computer Science, Schloss Dagstuhl - Leibniz-Zentrum
für Informatik, 2023.
conference:
end_date: 2023-03-09
location: Hamburg, Germany
name: 'STACS: Symposium on Theoretical Aspects of Computer Science'
start_date: 2023-03-07
date_created: 2023-03-26T22:01:07Z
date_published: 2023-03-01T00:00:00Z
date_updated: 2023-03-27T06:46:27Z
day: '01'
ddc:
- '000'
department:
- _id: MoHe
doi: 10.4230/LIPIcs.STACS.2023.36
external_id:
arxiv:
- '2301.01744'
file:
- access_level: open_access
checksum: 22141ab8bc55188e2dfff665e5daecbd
content_type: application/pdf
creator: dernst
date_created: 2023-03-27T06:37:22Z
date_updated: 2023-03-27T06:37:22Z
file_id: '12769'
file_name: 2023_LIPICS_HenzingerM.pdf
file_size: 872706
relation: main_file
success: 1
file_date_updated: 2023-03-27T06:37:22Z
has_accepted_license: '1'
intvolume: ' 254'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
publication: 40th International Symposium on Theoretical Aspects of Computer Science
publication_identifier:
isbn:
- '9783959772662'
issn:
- 1868-8969
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
quality_controlled: '1'
scopus_import: '1'
status: public
title: Dynamic maintenance of monotone dynamic programs and applications
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: 254
year: '2023'
...
---
_id: '12761'
abstract:
- lang: eng
text: "We consider the fluctuations of regular functions f of a Wigner matrix W
viewed as an entire matrix f (W). Going beyond the well-studied tracial mode,
Trf (W), which is equivalent to the customary linear statistics of eigenvalues,
we show that Trf (W)A is asymptotically normal for any nontrivial bounded deterministic
matrix A. We identify three different and asymptotically independent modes of
this fluctuation, corresponding to the tracial part, the traceless diagonal part
and the off-diagonal part of f (W) in the entire mesoscopic regime, where we find
that the off-diagonal modes fluctuate on a much smaller scale than the tracial
mode. As a main motivation to study CLT in such generality on small mesoscopic
scales, we determine\r\nthe fluctuations in the eigenstate thermalization hypothesis
(Phys. Rev. A 43 (1991) 2046–2049), that is, prove that the eigenfunction overlaps
with any deterministic matrix are asymptotically Gaussian after a small spectral
averaging. Finally, in the macroscopic regime our result also generalizes (Zh.
Mat. Fiz. Anal. Geom. 9 (2013) 536–581, 611, 615) to complex W and to all crossover
ensembles in between. The main technical inputs are the recent\r\nmultiresolvent
local laws with traceless deterministic matrices from the companion paper (Comm.
Math. Phys. 388 (2021) 1005–1048)."
acknowledgement: The second author is partially funded by the ERC Advanced Grant “RMTBEYOND”
No. 101020331. The third author is supported by Dr. Max Rössler, the Walter Haefner
Foundation and the ETH Zürich Foundation.
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Giorgio
full_name: Cipolloni, Giorgio
id: 42198EFA-F248-11E8-B48F-1D18A9856A87
last_name: Cipolloni
orcid: 0000-0002-4901-7992
- first_name: László
full_name: Erdös, László
id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
last_name: Erdös
orcid: 0000-0001-5366-9603
- first_name: Dominik J
full_name: Schröder, Dominik J
id: 408ED176-F248-11E8-B48F-1D18A9856A87
last_name: Schröder
orcid: 0000-0002-2904-1856
citation:
ama: Cipolloni G, Erdös L, Schröder DJ. Functional central limit theorems for Wigner
matrices. Annals of Applied Probability. 2023;33(1):447-489. doi:10.1214/22-AAP1820
apa: Cipolloni, G., Erdös, L., & Schröder, D. J. (2023). Functional central
limit theorems for Wigner matrices. Annals of Applied Probability. Institute
of Mathematical Statistics. https://doi.org/10.1214/22-AAP1820
chicago: Cipolloni, Giorgio, László Erdös, and Dominik J Schröder. “Functional Central
Limit Theorems for Wigner Matrices.” Annals of Applied Probability. Institute
of Mathematical Statistics, 2023. https://doi.org/10.1214/22-AAP1820.
ieee: G. Cipolloni, L. Erdös, and D. J. Schröder, “Functional central limit theorems
for Wigner matrices,” Annals of Applied Probability, vol. 33, no. 1. Institute
of Mathematical Statistics, pp. 447–489, 2023.
ista: Cipolloni G, Erdös L, Schröder DJ. 2023. Functional central limit theorems
for Wigner matrices. Annals of Applied Probability. 33(1), 447–489.
mla: Cipolloni, Giorgio, et al. “Functional Central Limit Theorems for Wigner Matrices.”
Annals of Applied Probability, vol. 33, no. 1, Institute of Mathematical
Statistics, 2023, pp. 447–89, doi:10.1214/22-AAP1820.
short: G. Cipolloni, L. Erdös, D.J. Schröder, Annals of Applied Probability 33 (2023)
447–489.
date_created: 2023-03-26T22:01:08Z
date_published: 2023-02-01T00:00:00Z
date_updated: 2023-10-17T12:48:52Z
day: '01'
department:
- _id: LaEr
doi: 10.1214/22-AAP1820
ec_funded: 1
external_id:
arxiv:
- '2012.13218'
isi:
- '000946432400015'
intvolume: ' 33'
isi: 1
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2012.13218
month: '02'
oa: 1
oa_version: Preprint
page: 447-489
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
call_identifier: H2020
grant_number: '101020331'
name: Random matrices beyond Wigner-Dyson-Mehta
publication: Annals of Applied Probability
publication_identifier:
issn:
- 1050-5164
publication_status: published
publisher: Institute of Mathematical Statistics
quality_controlled: '1'
scopus_import: '1'
status: public
title: Functional central limit theorems for Wigner matrices
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 33
year: '2023'
...
---
_id: '12762'
abstract:
- lang: eng
text: Neurons in the brain are wired into adaptive networks that exhibit collective
dynamics as diverse as scale-specific oscillations and scale-free neuronal avalanches.
Although existing models account for oscillations and avalanches separately, they
typically do not explain both phenomena, are too complex to analyze analytically
or intractable to infer from data rigorously. Here we propose a feedback-driven
Ising-like class of neural networks that captures avalanches and oscillations
simultaneously and quantitatively. In the simplest yet fully microscopic model
version, we can analytically compute the phase diagram and make direct contact
with human brain resting-state activity recordings via tractable inference of
the model’s two essential parameters. The inferred model quantitatively captures
the dynamics over a broad range of scales, from single sensor oscillations to
collective behaviors of extreme events and neuronal avalanches. Importantly, the
inferred parameters indicate that the co-existence of scale-specific (oscillations)
and scale-free (avalanches) dynamics occurs close to a non-equilibrium critical
point at the onset of self-sustained oscillations.
acknowledgement: This research was funded in whole, or in part, by the Austrian Science
Fund (FWF) (grant no. PT1013M03318 to F.L. and no. P34015 to G.T.). For the purpose
of open access, the author has applied a CC BY public copyright licence to any Author
Accepted Manuscript version arising from this submission. The study was supported
by the European Union Horizon 2020 research and innovation program under the Marie
Sklodowska-Curie action (grant agreement No. 754411 to F.L.).
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Fabrizio
full_name: Lombardi, Fabrizio
id: A057D288-3E88-11E9-986D-0CF4E5697425
last_name: Lombardi
orcid: 0000-0003-2623-5249
- first_name: Selver
full_name: Pepic, Selver
id: F93245C4-C3CA-11E9-B4F0-C6F4E5697425
last_name: Pepic
- first_name: Oren
full_name: Shriki, Oren
last_name: Shriki
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
- first_name: Daniele
full_name: De Martino, Daniele
id: 3FF5848A-F248-11E8-B48F-1D18A9856A87
last_name: De Martino
orcid: 0000-0002-5214-4706
citation:
ama: Lombardi F, Pepic S, Shriki O, Tkačik G, De Martino D. Statistical modeling
of adaptive neural networks explains co-existence of avalanches and oscillations
in resting human brain. Nature Computational Science. 2023;3:254-263. doi:10.1038/s43588-023-00410-9
apa: Lombardi, F., Pepic, S., Shriki, O., Tkačik, G., & De Martino, D. (2023).
Statistical modeling of adaptive neural networks explains co-existence of avalanches
and oscillations in resting human brain. Nature Computational Science.
Springer Nature. https://doi.org/10.1038/s43588-023-00410-9
chicago: Lombardi, Fabrizio, Selver Pepic, Oren Shriki, Gašper Tkačik, and Daniele
De Martino. “Statistical Modeling of Adaptive Neural Networks Explains Co-Existence
of Avalanches and Oscillations in Resting Human Brain.” Nature Computational
Science. Springer Nature, 2023. https://doi.org/10.1038/s43588-023-00410-9.
ieee: F. Lombardi, S. Pepic, O. Shriki, G. Tkačik, and D. De Martino, “Statistical
modeling of adaptive neural networks explains co-existence of avalanches and oscillations
in resting human brain,” Nature Computational Science, vol. 3. Springer
Nature, pp. 254–263, 2023.
ista: Lombardi F, Pepic S, Shriki O, Tkačik G, De Martino D. 2023. Statistical modeling
of adaptive neural networks explains co-existence of avalanches and oscillations
in resting human brain. Nature Computational Science. 3, 254–263.
mla: Lombardi, Fabrizio, et al. “Statistical Modeling of Adaptive Neural Networks
Explains Co-Existence of Avalanches and Oscillations in Resting Human Brain.”
Nature Computational Science, vol. 3, Springer Nature, 2023, pp. 254–63,
doi:10.1038/s43588-023-00410-9.
short: F. Lombardi, S. Pepic, O. Shriki, G. Tkačik, D. De Martino, Nature Computational
Science 3 (2023) 254–263.
date_created: 2023-03-26T22:01:08Z
date_published: 2023-03-20T00:00:00Z
date_updated: 2023-08-16T12:41:53Z
day: '20'
ddc:
- '570'
department:
- _id: GaTk
- _id: GradSch
doi: 10.1038/s43588-023-00410-9
ec_funded: 1
external_id:
arxiv:
- '2108.06686'
file:
- access_level: open_access
checksum: 7c63b2b2edfd68aaffe96d70ca6a865a
content_type: application/pdf
creator: dernst
date_created: 2023-08-16T12:39:57Z
date_updated: 2023-08-16T12:39:57Z
file_id: '14073'
file_name: 2023_NatureCompScience_Lombardi.pdf
file_size: 4474284
relation: main_file
success: 1
file_date_updated: 2023-08-16T12:39:57Z
has_accepted_license: '1'
intvolume: ' 3'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
page: 254-263
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: eb943429-77a9-11ec-83b8-9f471cdf5c67
grant_number: M03318
name: Functional Advantages of Critical Brain Dynamics
- _id: 626c45b5-2b32-11ec-9570-e509828c1ba6
grant_number: P34015
name: Efficient coding with biophysical realism
publication: Nature Computational Science
publication_identifier:
eissn:
- 2662-8457
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Statistical modeling of adaptive neural networks explains co-existence of avalanches
and oscillations in resting human brain
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: 3
year: '2023'
...
---
_id: '12763'
abstract:
- lang: eng
text: 'Kleinjohann (Archiv der Mathematik 35(1):574–582, 1980; Mathematische Zeitschrift
176(3), 327–344, 1981) and Bangert (Archiv der Mathematik 38(1):54–57, 1982) extended
the reach rch(S) from subsets S of Euclidean space to the reach rchM(S) of subsets
S of Riemannian manifolds M, where M is smooth (we’ll assume at least C3). Bangert
showed that sets of positive reach in Euclidean space and Riemannian manifolds
are very similar. In this paper we introduce a slight variant of Kleinjohann’s
and Bangert’s extension and quantify the similarity between sets of positive reach
in Euclidean space and Riemannian manifolds in a new way: Given p∈M and q∈S, we
bound the local feature size (a local version of the reach) of its lifting to
the tangent space via the inverse exponential map (exp−1p(S)) at q, assuming that
rchM(S) and the geodesic distance dM(p,q) are bounded. These bounds are motivated
by the importance of the reach and local feature size to manifold learning, topological
inference, and triangulating manifolds and the fact that intrinsic approaches
circumvent the curse of dimensionality.'
acknowledgement: "We thank Eddie Aamari, David Cohen-Steiner, Isa Costantini, Fred
Chazal, Ramsay Dyer, André Lieutier, and Alef Sterk for discussion and Pierre Pansu
for encouragement. We further acknowledge the anonymous reviewers whose comments
helped improve the exposition.\r\nThe research leading to these results has received
funding from the European Research Council (ERC) under the European Union’s Seventh
Framework Programme (FP/2007-2013) / ERC Grant Agreement No. 339025 GUDHI (Algorithmic
Foundations of Geometry Understanding in Higher Dimensions). The first author is
further supported by the French government, through the 3IA Côte d’Azur Investments
in the Future project managed by the National Research Agency (ANR) with the reference
number ANR-19-P3IA-0002. The second author is supported by the European Union’s
Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie
Grant Agreement No. 754411 and the Austrian science fund (FWF) M-3073."
article_processing_charge: No
article_type: original
author:
- first_name: Jean Daniel
full_name: Boissonnat, Jean Daniel
last_name: Boissonnat
- first_name: Mathijs
full_name: Wintraecken, Mathijs
id: 307CFBC8-F248-11E8-B48F-1D18A9856A87
last_name: Wintraecken
orcid: 0000-0002-7472-2220
citation:
ama: Boissonnat JD, Wintraecken M. The reach of subsets of manifolds. Journal
of Applied and Computational Topology. 2023;7:619-641. doi:10.1007/s41468-023-00116-x
apa: Boissonnat, J. D., & Wintraecken, M. (2023). The reach of subsets of manifolds.
Journal of Applied and Computational Topology. Springer Nature. https://doi.org/10.1007/s41468-023-00116-x
chicago: Boissonnat, Jean Daniel, and Mathijs Wintraecken. “The Reach of Subsets
of Manifolds.” Journal of Applied and Computational Topology. Springer
Nature, 2023. https://doi.org/10.1007/s41468-023-00116-x.
ieee: J. D. Boissonnat and M. Wintraecken, “The reach of subsets of manifolds,”
Journal of Applied and Computational Topology, vol. 7. Springer Nature,
pp. 619–641, 2023.
ista: Boissonnat JD, Wintraecken M. 2023. The reach of subsets of manifolds. Journal
of Applied and Computational Topology. 7, 619–641.
mla: Boissonnat, Jean Daniel, and Mathijs Wintraecken. “The Reach of Subsets of
Manifolds.” Journal of Applied and Computational Topology, vol. 7, Springer
Nature, 2023, pp. 619–41, doi:10.1007/s41468-023-00116-x.
short: J.D. Boissonnat, M. Wintraecken, Journal of Applied and Computational Topology
7 (2023) 619–641.
date_created: 2023-03-26T22:01:08Z
date_published: 2023-09-01T00:00:00Z
date_updated: 2023-10-04T12:07:18Z
day: '01'
department:
- _id: HeEd
doi: 10.1007/s41468-023-00116-x
ec_funded: 1
intvolume: ' 7'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://inserm.hal.science/INRIA-SACLAY/hal-04083524v1
month: '09'
oa: 1
oa_version: Submitted Version
page: 619-641
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: fc390959-9c52-11eb-aca3-afa58bd282b2
grant_number: M03073
name: Learning and triangulating manifolds via collapses
publication: Journal of Applied and Computational Topology
publication_identifier:
eissn:
- 2367-1734
issn:
- 2367-1726
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: The reach of subsets of manifolds
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 7
year: '2023'
...
---
_id: '12764'
abstract:
- lang: eng
text: We study a new discretization of the Gaussian curvature for polyhedral surfaces.
This discrete Gaussian curvature is defined on each conical singularity of a polyhedral
surface as the quotient of the angle defect and the area of the Voronoi cell corresponding
to the singularity. We divide polyhedral surfaces into discrete conformal classes
using a generalization of discrete conformal equivalence pioneered by Feng Luo.
We subsequently show that, in every discrete conformal class, there exists a polyhedral
surface with constant discrete Gaussian curvature. We also provide explicit examples
to demonstrate that this surface is in general not unique.
acknowledgement: Open access funding provided by the Austrian Science Fund (FWF).
This research was supported by the FWF grant, Project number I4245-N35, and by the
Deutsche Forschungsgemeinschaft (DFG - German Research Foundation) - Project-ID
195170736 - TRR109.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Hana
full_name: Kourimska, Hana
id: D9B8E14C-3C26-11EA-98F5-1F833DDC885E
last_name: Kourimska
orcid: 0000-0001-7841-0091
citation:
ama: Kourimska H. Discrete yamabe problem for polyhedral surfaces. Discrete and
Computational Geometry. 2023;70:123-153. doi:10.1007/s00454-023-00484-2
apa: Kourimska, H. (2023). Discrete yamabe problem for polyhedral surfaces. Discrete
and Computational Geometry. Springer Nature. https://doi.org/10.1007/s00454-023-00484-2
chicago: Kourimska, Hana. “Discrete Yamabe Problem for Polyhedral Surfaces.” Discrete
and Computational Geometry. Springer Nature, 2023. https://doi.org/10.1007/s00454-023-00484-2.
ieee: H. Kourimska, “Discrete yamabe problem for polyhedral surfaces,” Discrete
and Computational Geometry, vol. 70. Springer Nature, pp. 123–153, 2023.
ista: Kourimska H. 2023. Discrete yamabe problem for polyhedral surfaces. Discrete
and Computational Geometry. 70, 123–153.
mla: Kourimska, Hana. “Discrete Yamabe Problem for Polyhedral Surfaces.” Discrete
and Computational Geometry, vol. 70, Springer Nature, 2023, pp. 123–53, doi:10.1007/s00454-023-00484-2.
short: H. Kourimska, Discrete and Computational Geometry 70 (2023) 123–153.
date_created: 2023-03-26T22:01:09Z
date_published: 2023-07-01T00:00:00Z
date_updated: 2023-10-04T11:46:48Z
day: '01'
ddc:
- '510'
department:
- _id: HeEd
doi: 10.1007/s00454-023-00484-2
external_id:
isi:
- '000948148000001'
file:
- access_level: open_access
checksum: cdbf90ba4a7ddcb190d37b9e9d4cb9d3
content_type: application/pdf
creator: dernst
date_created: 2023-10-04T11:46:24Z
date_updated: 2023-10-04T11:46:24Z
file_id: '14396'
file_name: 2023_DiscreteGeometry_Kourimska.pdf
file_size: 1026683
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success: 1
file_date_updated: 2023-10-04T11:46:24Z
has_accepted_license: '1'
intvolume: ' 70'
isi: 1
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 123-153
project:
- _id: 26AD5D90-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: I04245
name: Algebraic Footprints of Geometric Features in Homology
publication: Discrete and Computational Geometry
publication_identifier:
eissn:
- 1432-0444
issn:
- 0179-5376
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Discrete yamabe problem for polyhedral surfaces
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: 70
year: '2023'
...
---
_id: '12765'
abstract:
- lang: eng
text: "Animals exhibit a variety of behavioural defences against socially transmitted
parasites. These defences evolved to increase host fitness by avoiding, resisting
or tolerating infection.\r\nBecause they can occur in both infected individuals
and their uninfected social partners, these defences often have important consequences
for the social group.\r\nHere, we discuss the evolution and ecology of anti-parasite
behavioural defences across a taxonomically wide social spectrum, considering
colonial groups, stable groups, transitional groups and solitary animals.\r\nWe
discuss avoidance, resistance and tolerance behaviours across these social group
structures, identifying how social complexity, group composition and interdependent
social relationships may contribute to the expression and evolution of behavioural
strategies.\r\nFinally, we outline avenues for further investigation such as approaches
to quantify group-level responses, and the connection of the physiological and
behavioural response to parasites in different social contexts."
article_processing_charge: No
article_type: review
author:
- first_name: Sebastian
full_name: Stockmaier, Sebastian
last_name: Stockmaier
- first_name: Yuko
full_name: Ulrich, Yuko
last_name: Ulrich
- first_name: Gregory F.
full_name: Albery, Gregory F.
last_name: Albery
- first_name: Sylvia
full_name: Cremer, Sylvia
id: 2F64EC8C-F248-11E8-B48F-1D18A9856A87
last_name: Cremer
orcid: 0000-0002-2193-3868
- first_name: Patricia C.
full_name: Lopes, Patricia C.
last_name: Lopes
citation:
ama: Stockmaier S, Ulrich Y, Albery GF, Cremer S, Lopes PC. Behavioural defences
against parasites across host social structures. Functional Ecology. 2023;37(4):809-820.
doi:10.1111/1365-2435.14310
apa: Stockmaier, S., Ulrich, Y., Albery, G. F., Cremer, S., & Lopes, P. C. (2023).
Behavioural defences against parasites across host social structures. Functional
Ecology. British Ecological Society. https://doi.org/10.1111/1365-2435.14310
chicago: Stockmaier, Sebastian, Yuko Ulrich, Gregory F. Albery, Sylvia Cremer, and
Patricia C. Lopes. “Behavioural Defences against Parasites across Host Social
Structures.” Functional Ecology. British Ecological Society, 2023. https://doi.org/10.1111/1365-2435.14310.
ieee: S. Stockmaier, Y. Ulrich, G. F. Albery, S. Cremer, and P. C. Lopes, “Behavioural
defences against parasites across host social structures,” Functional Ecology,
vol. 37, no. 4. British Ecological Society, pp. 809–820, 2023.
ista: Stockmaier S, Ulrich Y, Albery GF, Cremer S, Lopes PC. 2023. Behavioural defences
against parasites across host social structures. Functional Ecology. 37(4), 809–820.
mla: Stockmaier, Sebastian, et al. “Behavioural Defences against Parasites across
Host Social Structures.” Functional Ecology, vol. 37, no. 4, British Ecological
Society, 2023, pp. 809–20, doi:10.1111/1365-2435.14310.
short: S. Stockmaier, Y. Ulrich, G.F. Albery, S. Cremer, P.C. Lopes, Functional
Ecology 37 (2023) 809–820.
date_created: 2023-03-26T22:01:09Z
date_published: 2023-04-01T00:00:00Z
date_updated: 2023-10-04T11:50:15Z
day: '01'
department:
- _id: SyCr
doi: 10.1111/1365-2435.14310
external_id:
isi:
- '000948940500001'
intvolume: ' 37'
isi: 1
issue: '4'
language:
- iso: eng
month: '04'
oa_version: None
page: 809-820
publication: Functional Ecology
publication_identifier:
eissn:
- 1365-2435
issn:
- 0269-8463
publication_status: published
publisher: British Ecological Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Behavioural defences against parasites across host social structures
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 37
year: '2023'
...
---
_id: '12781'
abstract:
- lang: eng
text: "Most energy in humans is produced in form of ATP by the mitochondrial respiratory
chain consisting of several protein assemblies embedded into lipid membrane (complexes
I-V). Complex I is the first and the largest enzyme of the respiratory chain which
is essential for energy production. It couples the transfer of two electrons from
NADH to ubiquinone with proton translocation across bacterial or inner mitochondrial
membrane. The coupling mechanism between electron transfer and proton translocation
is one of the biggest enigma in bioenergetics and structural biology. Even though
the enzyme has been studied for decades, only recent technological advances in
cryo-EM allowed its extensive structural investigation. \r\n\r\nComplex I from
E.coli appears to be of special importance because it is a perfect model system
with a rich mutant library, however the structure of the entire complex was unknown.
In this thesis I have resolved structures of the minimal complex I version from
E. coli in different states including reduced, inhibited, under reaction turnover
and several others. Extensive structural analyses of these structures and comparison
to structures from other species allowed to derive general features of conformational
dynamics and propose a universal coupling mechanism. The mechanism is straightforward,
robust and consistent with decades of experimental data available for complex
I from different species. \r\n\r\nCyanobacterial NDH (cyanobacterial complex I)
is a part of broad complex I superfamily and was studied as well in this thesis.
It plays an important role in cyclic electron transfer (CET), during which electrons
are cycled within PSI through ferredoxin and plastoquinone to generate proton
gradient without NADPH production. Here, I solved structure of NDH and revealed
additional state, which was not observed before. The novel “resting” state allowed
to propose the mechanism of CET regulation. Moreover, conformational dynamics
of NDH resembles one in complex I which suggest more broad universality of the
proposed coupling mechanism.\r\n\r\nIn summary, results presented here helped
to interpret decades of experimental data for complex I and contributed to fundamental
mechanistic understanding of protein function.\r\n"
acknowledged_ssus:
- _id: EM-Fac
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Vladyslav
full_name: Kravchuk, Vladyslav
id: 4D62F2A6-F248-11E8-B48F-1D18A9856A87
last_name: Kravchuk
citation:
ama: Kravchuk V. Structural and mechanistic study of bacterial complex I and its
cyanobacterial ortholog. 2023. doi:10.15479/at:ista:12781
apa: Kravchuk, V. (2023). Structural and mechanistic study of bacterial complex
I and its cyanobacterial ortholog. Institute of Science and Technology Austria.
https://doi.org/10.15479/at:ista:12781
chicago: Kravchuk, Vladyslav. “Structural and Mechanistic Study of Bacterial Complex
I and Its Cyanobacterial Ortholog.” Institute of Science and Technology Austria,
2023. https://doi.org/10.15479/at:ista:12781.
ieee: V. Kravchuk, “Structural and mechanistic study of bacterial complex I and
its cyanobacterial ortholog,” Institute of Science and Technology Austria, 2023.
ista: Kravchuk V. 2023. Structural and mechanistic study of bacterial complex I
and its cyanobacterial ortholog. Institute of Science and Technology Austria.
mla: Kravchuk, Vladyslav. Structural and Mechanistic Study of Bacterial Complex
I and Its Cyanobacterial Ortholog. Institute of Science and Technology Austria,
2023, doi:10.15479/at:ista:12781.
short: V. Kravchuk, Structural and Mechanistic Study of Bacterial Complex I and
Its Cyanobacterial Ortholog, Institute of Science and Technology Austria, 2023.
date_created: 2023-03-31T12:24:42Z
date_published: 2023-03-23T00:00:00Z
date_updated: 2023-08-04T08:54:51Z
day: '23'
ddc:
- '570'
- '572'
degree_awarded: PhD
department:
- _id: GradSch
- _id: LeSa
doi: 10.15479/at:ista:12781
ec_funded: 1
file:
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checksum: 5ebb6345cb4119f93460c81310265a6d
content_type: application/pdf
creator: vkravchu
date_created: 2023-04-19T14:33:41Z
date_updated: 2023-04-19T14:33:41Z
embargo: 2024-04-20
embargo_to: local
file_id: '12852'
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creator: vkravchu
date_created: 2023-04-19T14:33:52Z
date_updated: 2023-04-20T07:02:59Z
embargo: 2024-04-20
embargo_to: local
file_id: '12853'
file_name: VladyslavKravchuk_PhD_Thesis_PostSub_Final.docx
file_size: 19468766
relation: source_file
file_date_updated: 2023-04-20T07:02:59Z
has_accepted_license: '1'
language:
- iso: eng
month: '03'
oa_version: Published Version
page: '127'
project:
- _id: 238A0A5A-32DE-11EA-91FC-C7463DDC885E
grant_number: '25541'
name: 'Structural characterization of E. coli complex I: an important mechanistic
model'
- _id: 627abdeb-2b32-11ec-9570-ec31a97243d3
call_identifier: H2020
grant_number: '101020697'
name: Structure and mechanism of respiratory chain molecular machines
publication_identifier:
isbn:
- 978-3-99078-029-9
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '12138'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Leonid A
full_name: Sazanov, Leonid A
id: 338D39FE-F248-11E8-B48F-1D18A9856A87
last_name: Sazanov
orcid: 0000-0002-0977-7989
title: Structural and mechanistic study of bacterial complex I and its cyanobacterial
ortholog
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2023'
...
---
_id: '12786'
abstract:
- lang: eng
text: AMPA glutamate receptors (AMPARs) mediate excitatory neurotransmission throughout
the brain. Their signalling is uniquely diversified by brain region-specific auxiliary
subunits, providing an opportunity for the development of selective therapeutics.
AMPARs associated with TARP γ8 are enriched in the hippocampus, and are targets
of emerging anti-epileptic drugs. To understand their therapeutic activity, we
determined cryo-EM structures of the GluA1/2-γ8 receptor associated with three
potent, chemically diverse ligands. We find that despite sharing a lipid-exposed
and water-accessible binding pocket, drug action is differentially affected by
binding-site mutants. Together with patch-clamp recordings and MD simulations
we also demonstrate that ligand-triggered reorganisation of the AMPAR-TARP interface
contributes to modulation. Unexpectedly, one ligand (JNJ-61432059) acts bifunctionally,
negatively affecting GluA1 but exerting positive modulatory action on GluA2-containing
AMPARs, in a TARP stoichiometry-dependent manner. These results further illuminate
the action of TARPs, demonstrate the sensitive balance between positive and negative
modulatory action, and provide a mechanistic platform for development of both
positive and negative selective AMPAR modulators.
acknowledgement: We thank James Krieger for generating the ‘proDy’ interaction maps
in Fig. 5B and S7C, and Jan-Niklas Dohrke for critically reading the manuscript.
We thank members of the Greger lab for insightful comments during this study. We
acknowledge Trevor Rutherford for confirming ligand integrity by NMR. We are also
grateful to LMB scientific computing and the EM facility for their support. This
research was funded in part by the Wellcome Trust (223194/Z/21/Z) to I.H.G. For
the purpose of Open Access, the MRC Laboratory of Molecular Biology has applied
a CC BY public copyright licence to any Author Accepted Manuscript (AAM) version
arising from this submission. Further funding came from the Medical Research Council
(MRU105174197) to I.H.G, and NIH grant (R56/R01MH123474) to T.N.
article_number: '1659'
article_processing_charge: No
article_type: original
author:
- first_name: Danyang
full_name: Zhang, Danyang
last_name: Zhang
- first_name: Remigijus
full_name: Lape, Remigijus
last_name: Lape
- first_name: Saher A.
full_name: Shaikh, Saher A.
last_name: Shaikh
- first_name: Bianka K.
full_name: Kohegyi, Bianka K.
last_name: Kohegyi
- first_name: Jake
full_name: Watson, Jake
id: 63836096-4690-11EA-BD4E-32803DDC885E
last_name: Watson
orcid: 0000-0002-8698-3823
- first_name: Ondrej
full_name: Cais, Ondrej
last_name: Cais
- first_name: Terunaga
full_name: Nakagawa, Terunaga
last_name: Nakagawa
- first_name: Ingo H.
full_name: Greger, Ingo H.
last_name: Greger
citation:
ama: Zhang D, Lape R, Shaikh SA, et al. Modulatory mechanisms of TARP γ8-selective
AMPA receptor therapeutics. Nature Communications. 2023;14. doi:10.1038/s41467-023-37259-5
apa: Zhang, D., Lape, R., Shaikh, S. A., Kohegyi, B. K., Watson, J., Cais, O., …
Greger, I. H. (2023). Modulatory mechanisms of TARP γ8-selective AMPA receptor
therapeutics. Nature Communications. Springer Nature. https://doi.org/10.1038/s41467-023-37259-5
chicago: Zhang, Danyang, Remigijus Lape, Saher A. Shaikh, Bianka K. Kohegyi, Jake
Watson, Ondrej Cais, Terunaga Nakagawa, and Ingo H. Greger. “Modulatory Mechanisms
of TARP Γ8-Selective AMPA Receptor Therapeutics.” Nature Communications.
Springer Nature, 2023. https://doi.org/10.1038/s41467-023-37259-5.
ieee: D. Zhang et al., “Modulatory mechanisms of TARP γ8-selective AMPA receptor
therapeutics,” Nature Communications, vol. 14. Springer Nature, 2023.
ista: Zhang D, Lape R, Shaikh SA, Kohegyi BK, Watson J, Cais O, Nakagawa T, Greger
IH. 2023. Modulatory mechanisms of TARP γ8-selective AMPA receptor therapeutics.
Nature Communications. 14, 1659.
mla: Zhang, Danyang, et al. “Modulatory Mechanisms of TARP Γ8-Selective AMPA Receptor
Therapeutics.” Nature Communications, vol. 14, 1659, Springer Nature, 2023,
doi:10.1038/s41467-023-37259-5.
short: D. Zhang, R. Lape, S.A. Shaikh, B.K. Kohegyi, J. Watson, O. Cais, T. Nakagawa,
I.H. Greger, Nature Communications 14 (2023).
date_created: 2023-04-02T22:01:09Z
date_published: 2023-03-25T00:00:00Z
date_updated: 2023-12-13T11:15:58Z
day: '25'
ddc:
- '570'
department:
- _id: PeJo
doi: 10.1038/s41467-023-37259-5
external_id:
isi:
- '001066658700003'
file:
- access_level: open_access
checksum: 0a97b31191432dae5853bbb5ccb7698d
content_type: application/pdf
creator: dernst
date_created: 2023-04-03T06:38:56Z
date_updated: 2023-04-03T06:38:56Z
file_id: '12797'
file_name: 2023_NatureComm_Zhang.pdf
file_size: 2613996
relation: main_file
success: 1
file_date_updated: 2023-04-03T06:38:56Z
has_accepted_license: '1'
intvolume: ' 14'
isi: 1
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
publication: Nature Communications
publication_identifier:
eissn:
- 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Modulatory mechanisms of TARP γ8-selective AMPA receptor therapeutics
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: 14
year: '2023'
...
---
_id: '12787'
abstract:
- lang: eng
text: "Populations evolve in spatially heterogeneous environments. While a certain
trait might bring a fitness advantage in some patch of the environment, a different
trait might be advantageous in another patch. Here, we study the Moran birth–death
process with two types of individuals in a population stretched across two patches
of size N, each patch favouring one of the two types. We show that the long-term
fate of such populations crucially depends on the migration rate μ\r\n between
the patches. To classify the possible fates, we use the distinction between polynomial
(short) and exponential (long) timescales. We show that when μ is high then one
of the two types fixates on the whole population after a number of steps that
is only polynomial in N. By contrast, when μ is low then each type holds majority
in the patch where it is favoured for a number of steps that is at least exponential
in N. Moreover, we precisely identify the threshold migration rate μ⋆ that separates
those two scenarios, thereby exactly delineating the situations that support long-term
coexistence of the two types. We also discuss the case of various cycle graphs
and we present computer simulations that perfectly match our analytical results."
acknowledgement: J.S. and K.C. acknowledge support from the ERC CoG 863818 (ForM-SMArt)
article_number: '20220685'
article_processing_charge: No
article_type: original
author:
- first_name: Jakub
full_name: Svoboda, Jakub
id: 130759D2-D7DD-11E9-87D2-DE0DE6697425
last_name: Svoboda
orcid: 0000-0002-1419-3267
- first_name: Josef
full_name: Tkadlec, Josef
id: 3F24CCC8-F248-11E8-B48F-1D18A9856A87
last_name: Tkadlec
orcid: 0000-0002-1097-9684
- first_name: Kamran
full_name: Kaveh, Kamran
last_name: Kaveh
- first_name: Krishnendu
full_name: Chatterjee, Krishnendu
id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
last_name: Chatterjee
orcid: 0000-0002-4561-241X
citation:
ama: 'Svoboda J, Tkadlec J, Kaveh K, Chatterjee K. Coexistence times in the Moran
process with environmental heterogeneity. Proceedings of the Royal Society
A: Mathematical, Physical and Engineering Sciences. 2023;479(2271). doi:10.1098/rspa.2022.0685'
apa: 'Svoboda, J., Tkadlec, J., Kaveh, K., & Chatterjee, K. (2023). Coexistence
times in the Moran process with environmental heterogeneity. Proceedings of
the Royal Society A: Mathematical, Physical and Engineering Sciences. The
Royal Society. https://doi.org/10.1098/rspa.2022.0685'
chicago: 'Svoboda, Jakub, Josef Tkadlec, Kamran Kaveh, and Krishnendu Chatterjee.
“Coexistence Times in the Moran Process with Environmental Heterogeneity.” Proceedings
of the Royal Society A: Mathematical, Physical and Engineering Sciences. The
Royal Society, 2023. https://doi.org/10.1098/rspa.2022.0685.'
ieee: 'J. Svoboda, J. Tkadlec, K. Kaveh, and K. Chatterjee, “Coexistence times in
the Moran process with environmental heterogeneity,” Proceedings of the Royal
Society A: Mathematical, Physical and Engineering Sciences, vol. 479, no.
2271. The Royal Society, 2023.'
ista: 'Svoboda J, Tkadlec J, Kaveh K, Chatterjee K. 2023. Coexistence times in the
Moran process with environmental heterogeneity. Proceedings of the Royal Society
A: Mathematical, Physical and Engineering Sciences. 479(2271), 20220685.'
mla: 'Svoboda, Jakub, et al. “Coexistence Times in the Moran Process with Environmental
Heterogeneity.” Proceedings of the Royal Society A: Mathematical, Physical
and Engineering Sciences, vol. 479, no. 2271, 20220685, The Royal Society,
2023, doi:10.1098/rspa.2022.0685.'
short: 'J. Svoboda, J. Tkadlec, K. Kaveh, K. Chatterjee, Proceedings of the Royal
Society A: Mathematical, Physical and Engineering Sciences 479 (2023).'
date_created: 2023-04-02T22:01:09Z
date_published: 2023-03-29T00:00:00Z
date_updated: 2025-07-14T09:09:51Z
day: '29'
ddc:
- '000'
department:
- _id: KrCh
doi: 10.1098/rspa.2022.0685
ec_funded: 1
external_id:
isi:
- '000957125500002'
file:
- access_level: open_access
checksum: 13953d349fbefcb5d21ccc6b303297eb
content_type: application/pdf
creator: dernst
date_created: 2023-04-03T06:25:29Z
date_updated: 2023-04-03T06:25:29Z
file_id: '12796'
file_name: 2023_ProceedingsRoyalSocietyA_Svoboda.pdf
file_size: 827784
relation: main_file
success: 1
file_date_updated: 2023-04-03T06:25:29Z
has_accepted_license: '1'
intvolume: ' 479'
isi: 1
issue: '2271'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
publication: 'Proceedings of the Royal Society A: Mathematical, Physical and Engineering
Sciences'
publication_identifier:
eissn:
- 1471-2946
issn:
- 1364-5021
publication_status: published
publisher: The Royal Society
quality_controlled: '1'
related_material:
link:
- relation: research_data
url: https://doi.org/10.6084/m9.figshare.21261771.v1
scopus_import: '1'
status: public
title: Coexistence times in the Moran process with environmental heterogeneity
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: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 479
year: '2023'
...
---
_id: '12788'
abstract:
- lang: eng
text: We show that the simplest of existing molecules—closed-shell diatomics not
interacting with one another—host topological charges when driven by periodic
far-off-resonant laser pulses. A periodically kicked molecular rotor can be mapped
onto a “crystalline” lattice in angular momentum space. This allows us to define
quasimomenta and the band structure in the Floquet representation, by analogy
with the Bloch waves of solid-state physics. Applying laser pulses spaced by 1/3
of the molecular rotational period creates a lattice with three atoms per unit
cell with staggered hopping. Within the synthetic dimension of the laser strength,
we discover Dirac cones with topological charges. These Dirac cones, topologically
protected by reflection and time-reversal symmetry, are reminiscent of (although
not equivalent to) that seen in graphene. They—and the corresponding edge states—are
broadly tunable by adjusting the laser strength and can be observed in present-day
experiments by measuring molecular alignment and populations of rotational levels.
This paves the way to study controllable topological physics in gas-phase experiments
with small molecules as well as to classify dynamical molecular states by their
topological invariants.
acknowledgement: M. L. acknowledges support by the European Research Council (ERC)
Starting Grant No. 801770 (ANGULON).
article_number: '103202'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Volker
full_name: Karle, Volker
id: D7C012AE-D7ED-11E9-95E8-1EC5E5697425
last_name: Karle
- first_name: Areg
full_name: Ghazaryan, Areg
id: 4AF46FD6-F248-11E8-B48F-1D18A9856A87
last_name: Ghazaryan
orcid: 0000-0001-9666-3543
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Karle V, Ghazaryan A, Lemeshko M. Topological charges of periodically kicked
molecules. Physical Review Letters. 2023;130(10). doi:10.1103/PhysRevLett.130.103202
apa: Karle, V., Ghazaryan, A., & Lemeshko, M. (2023). Topological charges of
periodically kicked molecules. Physical Review Letters. American Physical
Society. https://doi.org/10.1103/PhysRevLett.130.103202
chicago: Karle, Volker, Areg Ghazaryan, and Mikhail Lemeshko. “Topological Charges
of Periodically Kicked Molecules.” Physical Review Letters. American Physical
Society, 2023. https://doi.org/10.1103/PhysRevLett.130.103202.
ieee: V. Karle, A. Ghazaryan, and M. Lemeshko, “Topological charges of periodically
kicked molecules,” Physical Review Letters, vol. 130, no. 10. American
Physical Society, 2023.
ista: Karle V, Ghazaryan A, Lemeshko M. 2023. Topological charges of periodically
kicked molecules. Physical Review Letters. 130(10), 103202.
mla: Karle, Volker, et al. “Topological Charges of Periodically Kicked Molecules.”
Physical Review Letters, vol. 130, no. 10, 103202, American Physical Society,
2023, doi:10.1103/PhysRevLett.130.103202.
short: V. Karle, A. Ghazaryan, M. Lemeshko, Physical Review Letters 130 (2023).
date_created: 2023-04-02T22:01:10Z
date_published: 2023-03-10T00:00:00Z
date_updated: 2023-08-01T14:02:06Z
day: '10'
department:
- _id: MiLe
doi: 10.1103/PhysRevLett.130.103202
ec_funded: 1
external_id:
arxiv:
- '2206.07067'
isi:
- '000957635500003'
intvolume: ' 130'
isi: 1
issue: '10'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2206.07067
month: '03'
oa: 1
oa_version: Preprint
project:
- _id: 2688CF98-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '801770'
name: 'Angulon: physics and applications of a new quasiparticle'
publication: Physical Review Letters
publication_identifier:
eissn:
- 1079-7114
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
link:
- description: News on the ISTA website
relation: press_release
url: https://ista.ac.at/en/news/topology-of-rotating-molecules/
scopus_import: '1'
status: public
title: Topological charges of periodically kicked molecules
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 130
year: '2023'
...
---
_id: '12789'
abstract:
- lang: eng
text: Experiments have shown that charge distributions of granular materials are
non-Gaussian, with broad tails that indicate many particles with high charge.
This observation has consequences for the behavior of granular materials in many
settings, and may bear relevance to the underlying charge transfer mechanism.
However, there is the unaddressed possibility that broad tails arise due to experimental
uncertainties, as determining the shapes of tails is nontrivial. Here we show
that measurement uncertainties can indeed account for most of the tail broadening
previously observed. The clue that reveals this is that distributions are sensitive
to the electric field at which they are measured; ones measured at low (high)
fields have larger (smaller) tails. Accounting for sources of uncertainty, we
reproduce this broadening in silico. Finally, we use our results to back out the
true charge distribution without broadening, which we find is still non-Guassian,
though with substantially different behavior at the tails and indicating significantly
fewer highly charged particles. These results have implications in many natural
settings where electrostatic interactions, especially among highly charged particles,
strongly affect granular behavior.
acknowledged_ssus:
- _id: M-Shop
acknowledgement: This research was supported by Grants QUIMAL 160001 and Fondecyt
1221597. This project has received funding from the European Research Council (ERC)
under the European Union's Horizon 2020 research and innovation programme (Grant
Agreement No. 949120). This research was supported by the Scientific Service Units
of The Institute of Science and Technology Austria (ISTA) through resources provided
by the Miba Machine Shop. We thank the machine shop technical assistance of Ricardo
Silva and Andrés Espinosa at Departamento de Física, Universidad de Chile.
article_number: '034901'
article_processing_charge: No
article_type: original
author:
- first_name: Nicolás
full_name: Mujica, Nicolás
last_name: Mujica
- first_name: Scott R
full_name: Waitukaitis, Scott R
id: 3A1FFC16-F248-11E8-B48F-1D18A9856A87
last_name: Waitukaitis
orcid: 0000-0002-2299-3176
citation:
ama: Mujica N, Waitukaitis SR. Accurate determination of the shapes of granular
charge distributions. Physical Review E. 2023;107(3). doi:10.1103/PhysRevE.107.034901
apa: Mujica, N., & Waitukaitis, S. R. (2023). Accurate determination of the
shapes of granular charge distributions. Physical Review E. American Physical
Society. https://doi.org/10.1103/PhysRevE.107.034901
chicago: Mujica, Nicolás, and Scott R Waitukaitis. “Accurate Determination of the
Shapes of Granular Charge Distributions.” Physical Review E. American Physical
Society, 2023. https://doi.org/10.1103/PhysRevE.107.034901.
ieee: N. Mujica and S. R. Waitukaitis, “Accurate determination of the shapes of
granular charge distributions,” Physical Review E, vol. 107, no. 3. American
Physical Society, 2023.
ista: Mujica N, Waitukaitis SR. 2023. Accurate determination of the shapes of granular
charge distributions. Physical Review E. 107(3), 034901.
mla: Mujica, Nicolás, and Scott R. Waitukaitis. “Accurate Determination of the Shapes
of Granular Charge Distributions.” Physical Review E, vol. 107, no. 3,
034901, American Physical Society, 2023, doi:10.1103/PhysRevE.107.034901.
short: N. Mujica, S.R. Waitukaitis, Physical Review E 107 (2023).
date_created: 2023-04-02T22:01:10Z
date_published: 2023-03-01T00:00:00Z
date_updated: 2023-11-28T09:22:25Z
day: '01'
ddc:
- '530'
department:
- _id: ScWa
doi: 10.1103/PhysRevE.107.034901
ec_funded: 1
external_id:
isi:
- '000992142700001'
file:
- access_level: open_access
checksum: 48f5dfe4e5f1c46c3c86805cd8f84bea
content_type: application/pdf
creator: swaituka
date_created: 2023-11-27T09:51:48Z
date_updated: 2023-11-27T09:51:48Z
file_id: '14612'
file_name: PhysRevE.107.034901 (1).pdf
file_size: 1428631
relation: main_file
success: 1
file_date_updated: 2023-11-27T09:51:48Z
has_accepted_license: '1'
intvolume: ' 107'
isi: 1
issue: '3'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
project:
- _id: 0aa60e99-070f-11eb-9043-a6de6bdc3afa
call_identifier: H2020
grant_number: '949120'
name: 'Tribocharge: a multi-scale approach to an enduring problem in physics'
publication: Physical Review E
publication_identifier:
eissn:
- 2470-0053
issn:
- 2470-0045
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Accurate determination of the shapes of granular charge distributions
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 107
year: '2023'
...
---
_id: '12790'
abstract:
- lang: eng
text: Motivated by the recent discoveries of superconductivity in bilayer and trilayer
graphene, we theoretically investigate superconductivity and other interaction-driven
phases in multilayer graphene stacks. To this end, we study the density of states
of multilayer graphene with up to four layers at the single-particle band structure
level in the presence of a transverse electric field. Among the considered structures,
tetralayer graphene with rhombohedral (ABCA) stacking reaches the highest density
of states. We study the phases that can arise in ABCA graphene by tuning the carrier
density and transverse electric field. For a broad region of the tuning parameters,
the presence of strong Coulomb repulsion leads to a spontaneous spin and valley
symmetry breaking via Stoner transitions. Using a model that incorporates the
spontaneous spin and valley polarization, we explore the Kohn-Luttinger mechanism
for superconductivity driven by repulsive Coulomb interactions. We find that the
strongest superconducting instability is in the p-wave channel, and occurs in
proximity to the onset of Stoner transitions. Interestingly, we find a range of
densities and transverse electric fields where superconductivity develops out
of a strongly corrugated, singly connected Fermi surface in each valley, leading
to a topologically nontrivial chiral p+ip superconducting state with an even number
of copropagating chiral Majorana edge modes. Our work establishes ABCA-stacked
tetralayer graphene as a promising platform for observing strongly correlated
physics and topological superconductivity.
acknowledgement: E.B. and T.H. were supported by the European Research Council (ERC)
under grant HQMAT (Grant Agreement No. 817799), by the Israel-USA Binational Science
Foundation (BSF), and by a Research grant from Irving and Cherna Moskowitz.
article_number: '104502'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Areg
full_name: Ghazaryan, Areg
id: 4AF46FD6-F248-11E8-B48F-1D18A9856A87
last_name: Ghazaryan
orcid: 0000-0001-9666-3543
- first_name: Tobias
full_name: Holder, Tobias
last_name: Holder
- first_name: Erez
full_name: Berg, Erez
last_name: Berg
- first_name: Maksym
full_name: Serbyn, Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
citation:
ama: Ghazaryan A, Holder T, Berg E, Serbyn M. Multilayer graphenes as a platform
for interaction-driven physics and topological superconductivity. Physical
Review B. 2023;107(10). doi:10.1103/PhysRevB.107.104502
apa: Ghazaryan, A., Holder, T., Berg, E., & Serbyn, M. (2023). Multilayer graphenes
as a platform for interaction-driven physics and topological superconductivity.
Physical Review B. American Physical Society. https://doi.org/10.1103/PhysRevB.107.104502
chicago: Ghazaryan, Areg, Tobias Holder, Erez Berg, and Maksym Serbyn. “Multilayer
Graphenes as a Platform for Interaction-Driven Physics and Topological Superconductivity.”
Physical Review B. American Physical Society, 2023. https://doi.org/10.1103/PhysRevB.107.104502.
ieee: A. Ghazaryan, T. Holder, E. Berg, and M. Serbyn, “Multilayer graphenes as
a platform for interaction-driven physics and topological superconductivity,”
Physical Review B, vol. 107, no. 10. American Physical Society, 2023.
ista: Ghazaryan A, Holder T, Berg E, Serbyn M. 2023. Multilayer graphenes as a platform
for interaction-driven physics and topological superconductivity. Physical Review
B. 107(10), 104502.
mla: Ghazaryan, Areg, et al. “Multilayer Graphenes as a Platform for Interaction-Driven
Physics and Topological Superconductivity.” Physical Review B, vol. 107,
no. 10, 104502, American Physical Society, 2023, doi:10.1103/PhysRevB.107.104502.
short: A. Ghazaryan, T. Holder, E. Berg, M. Serbyn, Physical Review B 107 (2023).
date_created: 2023-04-02T22:01:10Z
date_published: 2023-03-01T00:00:00Z
date_updated: 2023-08-01T13:59:29Z
day: '01'
department:
- _id: MaSe
- _id: MiLe
doi: 10.1103/PhysRevB.107.104502
external_id:
arxiv:
- '2211.02492'
isi:
- '000945526400003'
intvolume: ' 107'
isi: 1
issue: '10'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2211.02492
month: '03'
oa: 1
oa_version: Preprint
publication: Physical Review B
publication_identifier:
eissn:
- 2469-9969
issn:
- 2469-9950
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
link:
- description: News on the ISTA website
relation: press_release
url: https://ista.ac.at/en/news/reaching-superconductivity-layer-by-layer/
scopus_import: '1'
status: public
title: Multilayer graphenes as a platform for interaction-driven physics and topological
superconductivity
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 107
year: '2023'
...
---
_id: '12791'
abstract:
- lang: eng
text: We investigate the capabilities of Physics-Informed Neural Networks (PINNs)
to reconstruct turbulent Rayleigh–Bénard flows using only temperature information.
We perform a quantitative analysis of the quality of the reconstructions at various
amounts of low-passed-filtered information and turbulent intensities. We compare
our results with those obtained via nudging, a classical equation-informed data
assimilation technique. At low Rayleigh numbers, PINNs are able to reconstruct
with high precision, comparable to the one achieved with nudging. At high Rayleigh
numbers, PINNs outperform nudging and are able to achieve satisfactory reconstruction
of the velocity fields only when data for temperature is provided with high spatial
and temporal density. When data becomes sparse, the PINNs performance worsens,
not only in a point-to-point error sense but also, and contrary to nudging, in
a statistical sense, as can be seen in the probability density functions and energy
spectra.
acknowledgement: This project has received partial funding from the European Research
Council (ERC) under the European Union’s Horizon 2020 Research and Innovation Programme
(Grant Agreement No. 882340))
article_number: '16'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Patricio
full_name: Clark Di Leoni, Patricio
last_name: Clark Di Leoni
- first_name: Lokahith N
full_name: Agasthya, Lokahith N
id: cd100965-0804-11ed-9c55-f4878ff4e877
last_name: Agasthya
- first_name: Michele
full_name: Buzzicotti, Michele
last_name: Buzzicotti
- first_name: Luca
full_name: Biferale, Luca
last_name: Biferale
citation:
ama: Clark Di Leoni P, Agasthya LN, Buzzicotti M, Biferale L. Reconstructing Rayleigh–Bénard
flows out of temperature-only measurements using Physics-Informed Neural Networks.
The European Physical Journal E. 2023;46(3). doi:10.1140/epje/s10189-023-00276-9
apa: Clark Di Leoni, P., Agasthya, L. N., Buzzicotti, M., & Biferale, L. (2023).
Reconstructing Rayleigh–Bénard flows out of temperature-only measurements using
Physics-Informed Neural Networks. The European Physical Journal E. Springer
Nature. https://doi.org/10.1140/epje/s10189-023-00276-9
chicago: Clark Di Leoni, Patricio, Lokahith N Agasthya, Michele Buzzicotti, and
Luca Biferale. “Reconstructing Rayleigh–Bénard Flows out of Temperature-Only Measurements
Using Physics-Informed Neural Networks.” The European Physical Journal E.
Springer Nature, 2023. https://doi.org/10.1140/epje/s10189-023-00276-9.
ieee: P. Clark Di Leoni, L. N. Agasthya, M. Buzzicotti, and L. Biferale, “Reconstructing
Rayleigh–Bénard flows out of temperature-only measurements using Physics-Informed
Neural Networks,” The European Physical Journal E, vol. 46, no. 3. Springer
Nature, 2023.
ista: Clark Di Leoni P, Agasthya LN, Buzzicotti M, Biferale L. 2023. Reconstructing
Rayleigh–Bénard flows out of temperature-only measurements using Physics-Informed
Neural Networks. The European Physical Journal E. 46(3), 16.
mla: Clark Di Leoni, Patricio, et al. “Reconstructing Rayleigh–Bénard Flows out
of Temperature-Only Measurements Using Physics-Informed Neural Networks.” The
European Physical Journal E, vol. 46, no. 3, 16, Springer Nature, 2023, doi:10.1140/epje/s10189-023-00276-9.
short: P. Clark Di Leoni, L.N. Agasthya, M. Buzzicotti, L. Biferale, The European
Physical Journal E 46 (2023).
date_created: 2023-04-02T22:01:11Z
date_published: 2023-03-20T00:00:00Z
date_updated: 2023-08-01T14:03:47Z
day: '20'
department:
- _id: CaMu
doi: 10.1140/epje/s10189-023-00276-9
external_id:
arxiv:
- '2301.07769'
isi:
- '000956387200001'
intvolume: ' 46'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.2301.07769'
month: '03'
oa: 1
oa_version: Preprint
publication: The European Physical Journal E
publication_identifier:
eissn:
- 1292-895X
issn:
- 1292-8941
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Reconstructing Rayleigh–Bénard flows out of temperature-only measurements using
Physics-Informed Neural Networks
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 46
year: '2023'
...
---
_id: '12792'
abstract:
- lang: eng
text: In the physics literature the spectral form factor (SFF), the squared Fourier
transform of the empirical eigenvalue density, is the most common tool to test
universality for disordered quantum systems, yet previous mathematical results
have been restricted only to two exactly solvable models (Forrester in J Stat
Phys 183:33, 2021. https://doi.org/10.1007/s10955-021-02767-5, Commun Math Phys
387:215–235, 2021. https://doi.org/10.1007/s00220-021-04193-w). We rigorously
prove the physics prediction on SFF up to an intermediate time scale for a large
class of random matrices using a robust method, the multi-resolvent local laws.
Beyond Wigner matrices we also consider the monoparametric ensemble and prove
that universality of SFF can already be triggered by a single random parameter,
supplementing the recently proven Wigner–Dyson universality (Cipolloni et al.
in Probab Theory Relat Fields, 2021. https://doi.org/10.1007/s00440-022-01156-7)
to larger spectral scales. Remarkably, extensive numerics indicates that our formulas
correctly predict the SFF in the entire slope-dip-ramp regime, as customarily
called in physics.
acknowledgement: "We are grateful to the authors of [25] for sharing with us their
insights and preliminary numerical results. We are especially thankful to Stephen
Shenker for very valuable advice over several email communications. Helpful comments
on the manuscript from Peter Forrester and from the anonymous referees are also
acknowledged.\r\nOpen access funding provided by Institute of Science and Technology
(IST Austria).\r\nLászló Erdős: Partially supported by ERC Advanced Grant \"RMTBeyond\"
No. 101020331. Dominik Schröder: Supported by Dr. Max Rössler, the Walter Haefner
Foundation and the ETH Zürich Foundation."
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Giorgio
full_name: Cipolloni, Giorgio
id: 42198EFA-F248-11E8-B48F-1D18A9856A87
last_name: Cipolloni
orcid: 0000-0002-4901-7992
- first_name: László
full_name: Erdös, László
id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
last_name: Erdös
orcid: 0000-0001-5366-9603
- first_name: Dominik J
full_name: Schröder, Dominik J
id: 408ED176-F248-11E8-B48F-1D18A9856A87
last_name: Schröder
orcid: 0000-0002-2904-1856
citation:
ama: Cipolloni G, Erdös L, Schröder DJ. On the spectral form factor for random matrices.
Communications in Mathematical Physics. 2023;401:1665-1700. doi:10.1007/s00220-023-04692-y
apa: Cipolloni, G., Erdös, L., & Schröder, D. J. (2023). On the spectral form
factor for random matrices. Communications in Mathematical Physics. Springer
Nature. https://doi.org/10.1007/s00220-023-04692-y
chicago: Cipolloni, Giorgio, László Erdös, and Dominik J Schröder. “On the Spectral
Form Factor for Random Matrices.” Communications in Mathematical Physics.
Springer Nature, 2023. https://doi.org/10.1007/s00220-023-04692-y.
ieee: G. Cipolloni, L. Erdös, and D. J. Schröder, “On the spectral form factor for
random matrices,” Communications in Mathematical Physics, vol. 401. Springer
Nature, pp. 1665–1700, 2023.
ista: Cipolloni G, Erdös L, Schröder DJ. 2023. On the spectral form factor for random
matrices. Communications in Mathematical Physics. 401, 1665–1700.
mla: Cipolloni, Giorgio, et al. “On the Spectral Form Factor for Random Matrices.”
Communications in Mathematical Physics, vol. 401, Springer Nature, 2023,
pp. 1665–700, doi:10.1007/s00220-023-04692-y.
short: G. Cipolloni, L. Erdös, D.J. Schröder, Communications in Mathematical Physics
401 (2023) 1665–1700.
date_created: 2023-04-02T22:01:11Z
date_published: 2023-07-01T00:00:00Z
date_updated: 2023-10-04T12:10:31Z
day: '01'
ddc:
- '510'
department:
- _id: LaEr
doi: 10.1007/s00220-023-04692-y
ec_funded: 1
external_id:
isi:
- '000957343500001'
file:
- access_level: open_access
checksum: 72057940f76654050ca84a221f21786c
content_type: application/pdf
creator: dernst
date_created: 2023-10-04T12:09:18Z
date_updated: 2023-10-04T12:09:18Z
file_id: '14397'
file_name: 2023_CommMathPhysics_Cipolloni.pdf
file_size: 859967
relation: main_file
success: 1
file_date_updated: 2023-10-04T12:09:18Z
has_accepted_license: '1'
intvolume: ' 401'
isi: 1
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 1665-1700
project:
- _id: 62796744-2b32-11ec-9570-940b20777f1d
call_identifier: H2020
grant_number: '101020331'
name: Random matrices beyond Wigner-Dyson-Mehta
publication: Communications in Mathematical Physics
publication_identifier:
eissn:
- 1432-0916
issn:
- 0010-3616
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: On the spectral form factor for random matrices
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: 401
year: '2023'
...
---
_id: '12800'
abstract:
- lang: eng
text: 'The evolutionary processes that brought about today’s plethora of living
species and the many billions more ancient ones all underlie biology. Evolutionary
pathways are neither directed nor deterministic, but rather an interplay between
selection, migration, mutation, genetic drift and other environmental factors.
Hybrid zones, as natural crossing experiments, offer a great opportunity to use
cline analysis to deduce different evolutionary processes - for example, selection
strength. Theoretical cline models, largely assuming uniform distribution of individuals,
often lack the capability of incorporating population structure. Since in reality
organisms mostly live in patchy distributions and their dispersal is hardly ever
Gaussian, it is necessary to unravel the effect of these different elements of
population structure on cline parameters and shape. In this thesis, I develop
a simulation inspired by the A. majus hybrid zone of a single selected locus under
frequency dependent selection. This simulation enables us to untangle the effects
of different elements of population structure as for example a low-density center
and long-range dispersal. This thesis is therefore a first step towards theoretically
untangling the effects of different elements of population structure on cline
parameters and shape. '
alternative_title:
- ISTA Master's Thesis
article_processing_charge: No
author:
- first_name: Mara
full_name: Julseth, Mara
id: 1cf464b2-dc7d-11ea-9b2f-f9b1aa9417d1
last_name: Julseth
citation:
ama: Julseth M. The effect of local population structure on genetic variation at
selected loci in the A. majus hybrid zone. 2023. doi:10.15479/at:ista:12800
apa: Julseth, M. (2023). The effect of local population structure on genetic
variation at selected loci in the A. majus hybrid zone. Institute of Science
and Technology Austria. https://doi.org/10.15479/at:ista:12800
chicago: Julseth, Mara. “The Effect of Local Population Structure on Genetic Variation
at Selected Loci in the A. Majus Hybrid Zone.” Institute of Science and Technology
Austria, 2023. https://doi.org/10.15479/at:ista:12800.
ieee: M. Julseth, “The effect of local population structure on genetic variation
at selected loci in the A. majus hybrid zone,” Institute of Science and Technology
Austria, 2023.
ista: Julseth M. 2023. The effect of local population structure on genetic variation
at selected loci in the A. majus hybrid zone. Institute of Science and Technology
Austria.
mla: Julseth, Mara. The Effect of Local Population Structure on Genetic Variation
at Selected Loci in the A. Majus Hybrid Zone. Institute of Science and Technology
Austria, 2023, doi:10.15479/at:ista:12800.
short: M. Julseth, The Effect of Local Population Structure on Genetic Variation
at Selected Loci in the A. Majus Hybrid Zone, Institute of Science and Technology
Austria, 2023.
date_created: 2023-04-04T18:57:11Z
date_published: 2023-04-05T00:00:00Z
date_updated: 2023-06-02T22:30:05Z
day: '05'
ddc:
- '576'
degree_awarded: MS
department:
- _id: GradSch
- _id: NiBa
doi: 10.15479/at:ista:12800
file:
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checksum: b76cf6d69f2093d8248f6a3f9d4654a4
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file_date_updated: 2023-06-02T22:30:04Z
has_accepted_license: '1'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
page: '21'
publication_identifier:
issn:
- 2791-4585
publication_status: published
publisher: Institute of Science and Technology Austria
status: public
supervisor:
- first_name: Nicholas H
full_name: Barton, Nicholas H
id: 4880FE40-F248-11E8-B48F-1D18A9856A87
last_name: Barton
orcid: 0000-0002-8548-5240
title: The effect of local population structure on genetic variation at selected loci
in the A. majus hybrid zone
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2023'
...
---
_id: '12802'
abstract:
- lang: eng
text: Little is known about the critical metabolic changes that neural cells have
to undergo during development and how temporary shifts in this program can influence
brain circuitries and behavior. Inspired by the discovery that mutations in SLC7A5,
a transporter of metabolically essential large neutral amino acids (LNAAs), lead
to autism, we employed metabolomic profiling to study the metabolic states of
the cerebral cortex across different developmental stages. We found that the forebrain
undergoes significant metabolic remodeling throughout development, with certain
groups of metabolites showing stage-specific changes, but what are the consequences
of perturbing this metabolic program? By manipulating Slc7a5 expression in neural
cells, we found that the metabolism of LNAAs and lipids are interconnected in
the cortex. Deletion of Slc7a5 in neurons affects the postnatal metabolic state,
leading to a shift in lipid metabolism. Additionally, it causes stage- and cell-type-specific
alterations in neuronal activity patterns, resulting in a long-term circuit dysfunction.
acknowledged_ssus:
- _id: PreCl
- _id: EM-Fac
- _id: Bio
- _id: LifeSc
acknowledgement: We thank A. Freeman and V. Voronin for technical assistance, S. Deixler,
A. Stichelberger, M. Schunn, and the Preclinical Facility for managing our animal
colony. We thank L. Andersen and J. Sonntag, who were involved in generating the
MADM lines. We thank the ISTA LSF Mass Spectrometry Core Facility for assistance
with the proteomic analysis, as well as the ISTA electron microscopy and Imaging
and Optics facility for technical support. Metabolomics LC-MS/MS analysis was performed
by the Metabolomics Facility at Vienna BioCenter Core Facilities (VBCF). We acknowledge
the support of the EMBL Metabolomics Core Facility (MCF) for lipidomics and intracellular
metabolomics mass spectrometry data acquisition and analysis. RNA sequencing was
performed by the Next Generation Sequencing Facility at VBCF. Schematics were generated
using Biorender.com. This work was supported by the Austrian Science Fund (FWF,
DK W1232-B24) and by the European Union’s Horizon 2020 research and innovation program
(ERC) grant 725780 (LinPro) to S.H. and 715508 (REVERSEAUTISM) to G.N.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Lisa
full_name: Knaus, Lisa
id: 3B2ABCF4-F248-11E8-B48F-1D18A9856A87
last_name: Knaus
- first_name: Bernadette
full_name: Basilico, Bernadette
id: 36035796-5ACA-11E9-A75E-7AF2E5697425
last_name: Basilico
orcid: 0000-0003-1843-3173
- first_name: Daniel
full_name: Malzl, Daniel
last_name: Malzl
- first_name: Maria
full_name: Gerykova Bujalkova, Maria
last_name: Gerykova Bujalkova
- first_name: Mateja
full_name: Smogavec, Mateja
last_name: Smogavec
- first_name: Lena A.
full_name: Schwarz, Lena A.
last_name: Schwarz
- first_name: Sarah
full_name: Gorkiewicz, Sarah
id: f141a35d-15a9-11ec-9fb2-fef6becc7b6f
last_name: Gorkiewicz
- first_name: Nicole
full_name: Amberg, Nicole
id: 4CD6AAC6-F248-11E8-B48F-1D18A9856A87
last_name: Amberg
orcid: 0000-0002-3183-8207
- first_name: Florian
full_name: Pauler, Florian
id: 48EA0138-F248-11E8-B48F-1D18A9856A87
last_name: Pauler
orcid: 0000-0002-7462-0048
- first_name: Christian
full_name: Knittl-Frank, Christian
last_name: Knittl-Frank
- first_name: Marianna
full_name: Tassinari, Marianna
id: 7af593f1-d44a-11ed-bf94-a3646a6bb35e
last_name: Tassinari
- first_name: Nuno
full_name: Maulide, Nuno
last_name: Maulide
- first_name: Thomas
full_name: Rülicke, Thomas
last_name: Rülicke
- first_name: Jörg
full_name: Menche, Jörg
last_name: Menche
- first_name: Simon
full_name: Hippenmeyer, Simon
id: 37B36620-F248-11E8-B48F-1D18A9856A87
last_name: Hippenmeyer
orcid: 0000-0003-2279-1061
- first_name: Gaia
full_name: Novarino, Gaia
id: 3E57A680-F248-11E8-B48F-1D18A9856A87
last_name: Novarino
orcid: 0000-0002-7673-7178
citation:
ama: Knaus L, Basilico B, Malzl D, et al. Large neutral amino acid levels tune perinatal
neuronal excitability and survival. Cell. 2023;186(9):1950-1967.e25. doi:10.1016/j.cell.2023.02.037
apa: Knaus, L., Basilico, B., Malzl, D., Gerykova Bujalkova, M., Smogavec, M., Schwarz,
L. A., … Novarino, G. (2023). Large neutral amino acid levels tune perinatal neuronal
excitability and survival. Cell. Elsevier. https://doi.org/10.1016/j.cell.2023.02.037
chicago: Knaus, Lisa, Bernadette Basilico, Daniel Malzl, Maria Gerykova Bujalkova,
Mateja Smogavec, Lena A. Schwarz, Sarah Gorkiewicz, et al. “Large Neutral Amino
Acid Levels Tune Perinatal Neuronal Excitability and Survival.” Cell. Elsevier,
2023. https://doi.org/10.1016/j.cell.2023.02.037.
ieee: L. Knaus et al., “Large neutral amino acid levels tune perinatal neuronal
excitability and survival,” Cell, vol. 186, no. 9. Elsevier, p. 1950–1967.e25,
2023.
ista: Knaus L, Basilico B, Malzl D, Gerykova Bujalkova M, Smogavec M, Schwarz LA,
Gorkiewicz S, Amberg N, Pauler F, Knittl-Frank C, Tassinari M, Maulide N, Rülicke
T, Menche J, Hippenmeyer S, Novarino G. 2023. Large neutral amino acid levels
tune perinatal neuronal excitability and survival. Cell. 186(9), 1950–1967.e25.
mla: Knaus, Lisa, et al. “Large Neutral Amino Acid Levels Tune Perinatal Neuronal
Excitability and Survival.” Cell, vol. 186, no. 9, Elsevier, 2023, p. 1950–1967.e25,
doi:10.1016/j.cell.2023.02.037.
short: L. Knaus, B. Basilico, D. Malzl, M. Gerykova Bujalkova, M. Smogavec, L.A.
Schwarz, S. Gorkiewicz, N. Amberg, F. Pauler, C. Knittl-Frank, M. Tassinari, N.
Maulide, T. Rülicke, J. Menche, S. Hippenmeyer, G. Novarino, Cell 186 (2023) 1950–1967.e25.
date_created: 2023-04-05T08:15:40Z
date_published: 2023-04-27T00:00:00Z
date_updated: 2024-02-07T08:03:32Z
day: '27'
ddc:
- '570'
department:
- _id: SiHi
- _id: GaNo
doi: 10.1016/j.cell.2023.02.037
ec_funded: 1
external_id:
isi:
- '000991468700001'
file:
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date_created: 2023-05-02T09:26:21Z
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relation: main_file
success: 1
file_date_updated: 2023-05-02T09:26:21Z
has_accepted_license: '1'
intvolume: ' 186'
isi: 1
issue: '9'
keyword:
- General Biochemistry
- Genetics and Molecular Biology
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
page: 1950-1967.e25
project:
- _id: 2548AE96-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: W1232-B24
name: Molecular Drug Targets
- _id: 260018B0-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '725780'
name: Principles of Neural Stem Cell Lineage Progression in Cerebral Cortex Development
- _id: 25444568-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '715508'
name: Probing the Reversibility of Autism Spectrum Disorders by Employing in vivo
and in vitro Models
publication: Cell
publication_identifier:
issn:
- 0092-8674
publication_status: published
publisher: Elsevier
quality_controlled: '1'
related_material:
link:
- description: News on ISTA Website
relation: press_release
url: https://ista.ac.at/en/news/feed-them-or-lose-them/
record:
- id: '13107'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Large neutral amino acid levels tune perinatal neuronal excitability and survival
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: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 186
year: '2023'
...
---
_id: '12809'
abstract:
- lang: eng
text: "Understanding the mechanisms of learning and memory formation has always
been one of\r\nthe main goals in neuroscience. Already Pavlov (1927) in his early
days has used his classic\r\nconditioning experiments to study the neural mechanisms
governing behavioral adaptation.\r\nWhat was not known back then was that the
part of the brain that is largely responsible for\r\nthis type of associative
learning is the cerebellum.\r\nSince then, plenty of theories on cerebellar learning
have emerged. Despite their differences,\r\none thing they all have in common
is that learning relies on synaptic and intrinsic plasticity.\r\nThe goal of my
PhD project was to unravel the molecular mechanisms underlying synaptic\r\nplasticity
in two synapses that have been shown to be implicated in motor learning, in an\r\neffort
to understand how learning and memory formation are processed in the cerebellum.\r\nOne
of the earliest and most well-known cerebellar theories postulates that motor
learning\r\nlargely depends on long-term depression at the parallel fiber-Purkinje
cell (PC-PC) synapse.\r\nHowever, the discovery of other types of plasticity in
the cerebellar circuitry, like long-term\r\npotentiation (LTP) at the PC-PC synapse,
potentiation of molecular layer interneurons (MLIs),\r\nand plasticity transfer
from the cortex to the cerebellar/ vestibular nuclei has increased the\r\npopularity
of the idea that multiple sites of plasticity might be involved in learning.\r\nStill
a lot remains unknown about the molecular mechanisms responsible for these types
of\r\nplasticity and whether they occur during physiological learning.\r\nIn the
first part of this thesis we have analyzed the variation and nanodistribution
of voltagegated calcium channels (VGCCs) and α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic
acid\r\ntype glutamate receptors (AMPARs) on the parallel fiber-Purkinje cell
synapse after vestibuloocular reflex phase reversal adaptation, a behavior that
has been suggested to rely on PF-PC\r\nLTP. We have found that on the last day
of adaptation there is no learning trace in form of\r\nVGCCs nor AMPARs variation
at the PF-PC synapse, but instead a decrease in the number of\r\nPF-PC synapses.
These data seem to support the view that learning is only stored in the\r\ncerebellar
cortex in an initial learning phase, being transferred later to the vestibular
nuclei.\r\nNext, we have studied the role of MLIs in motor learning using a relatively
simple and well characterized behavioral paradigm – horizontal optokinetic reflex
(HOKR) adaptation. We\r\nhave found behavior-induced MLI potentiation in form
of release probability increase that\r\ncould be explained by the increase of
VGCCs at the presynaptic side. Our results strengthen\r\nthe idea of distributed
cerebellar plasticity contributing to learning and provide a novel\r\nmechanism
for release probability increase. "
acknowledged_ssus:
- _id: EM-Fac
- _id: Bio
- _id: PreCl
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Catarina
full_name: Alcarva, Catarina
id: 3A96634C-F248-11E8-B48F-1D18A9856A87
last_name: Alcarva
citation:
ama: 'Alcarva C. Plasticity in the cerebellum: What molecular mechanisms are behind
physiological learning. 2023. doi:10.15479/at:ista:12809'
apa: 'Alcarva, C. (2023). Plasticity in the cerebellum: What molecular mechanisms
are behind physiological learning. Institute of Science and Technology Austria.
https://doi.org/10.15479/at:ista:12809'
chicago: 'Alcarva, Catarina. “Plasticity in the Cerebellum: What Molecular Mechanisms
Are behind Physiological Learning.” Institute of Science and Technology Austria,
2023. https://doi.org/10.15479/at:ista:12809.'
ieee: 'C. Alcarva, “Plasticity in the cerebellum: What molecular mechanisms are
behind physiological learning,” Institute of Science and Technology Austria, 2023.'
ista: 'Alcarva C. 2023. Plasticity in the cerebellum: What molecular mechanisms
are behind physiological learning. Institute of Science and Technology Austria.'
mla: 'Alcarva, Catarina. Plasticity in the Cerebellum: What Molecular Mechanisms
Are behind Physiological Learning. Institute of Science and Technology Austria,
2023, doi:10.15479/at:ista:12809.'
short: 'C. Alcarva, Plasticity in the Cerebellum: What Molecular Mechanisms Are
behind Physiological Learning, Institute of Science and Technology Austria, 2023.'
date_created: 2023-04-06T07:54:09Z
date_published: 2023-04-06T00:00:00Z
date_updated: 2023-04-26T12:16:56Z
day: '06'
ddc:
- '570'
degree_awarded: PhD
department:
- _id: GradSch
- _id: RySh
doi: 10.15479/at:ista:12809
file:
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date_created: 2023-04-07T06:16:06Z
date_updated: 2023-04-07T06:16:06Z
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creator: cchlebak
date_created: 2023-04-07T06:17:11Z
date_updated: 2023-04-07T06:17:11Z
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file_size: 44201583
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content_type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
creator: cchlebak
date_created: 2023-04-07T06:18:05Z
date_updated: 2023-04-07T06:18:05Z
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relation: source_file
file_date_updated: 2023-04-07T06:18:05Z
has_accepted_license: '1'
language:
- iso: eng
month: '04'
oa_version: Published Version
page: '115'
project:
- _id: 267DFB90-B435-11E9-9278-68D0E5697425
name: 'Plasticity in the cerebellum: Which molecular mechanisms are behind physiological
learning?'
publication_identifier:
issn:
- 2663 - 337X
publication_status: published
publisher: Institute of Science and Technology Austria
status: public
supervisor:
- first_name: Ryuichi
full_name: Shigemoto, Ryuichi
id: 499F3ABC-F248-11E8-B48F-1D18A9856A87
last_name: Shigemoto
orcid: 0000-0001-8761-9444
title: 'Plasticity in the cerebellum: What molecular mechanisms are behind physiological
learning'
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2023'
...
---
_id: '12817'
abstract:
- lang: eng
text: 3D-reconstruction of living brain tissue down to individual synapse level
would create opportunities for decoding the dynamics and structure-function relationships
of the brain’s complex and dense information processing network. However, it has
been hindered by insufficient 3D-resolution, inadequate signal-to-noise-ratio,
and prohibitive light burden in optical imaging, whereas electron microscopy is
inherently static. Here we solved these challenges by developing an integrated
optical/machine learning technology, LIONESS (Live Information-Optimized Nanoscopy
Enabling Saturated Segmentation). It leverages optical modifications to stimulated
emission depletion (STED) microscopy in comprehensively, extracellularly labelled
tissue and prior information on sample structure via machine learning to simultaneously
achieve isotropic super-resolution, high signal-to-noise-ratio, and compatibility
with living tissue. This allows dense deep-learning-based instance segmentation
and 3D-reconstruction at synapse level incorporating molecular, activity, and
morphodynamic information. LIONESS opens up avenues for studying the dynamic functional
(nano-)architecture of living brain tissue.
acknowledged_ssus:
- _id: ScienComp
- _id: Bio
- _id: PreCl
- _id: LifeSc
- _id: M-Shop
- _id: E-Lib
acknowledgement: 'We thank J. Vorlaufer, N. Agudelo, A. Wartak for microscope maintenance
and troubleshooting, C. Kreuzinger and A. Freeman for technical assistance, and
M. Šuplata for hardware control support, and Márcia Cunha dos Santos for initial
exploration of software. We thank Paul Henderson for advice on deep-learning training
and Michael Sixt, Scott Boyd, and Tamara Weiss for discussions and critical reading
of the manuscript. Luke Lavis (Janelia Research Campus) generously provided JF585-HaloTag
ligand. '
article_processing_charge: No
author:
- first_name: Johann G
full_name: Danzl, Johann G
id: 42EFD3B6-F248-11E8-B48F-1D18A9856A87
last_name: Danzl
orcid: 0000-0001-8559-3973
citation:
ama: Danzl JG. Research data for the publication “Dense 4D nanoscale reconstruction
of living brain tissue.” 2023. doi:10.15479/AT:ISTA:12817
apa: Danzl, J. G. (2023). Research data for the publication “Dense 4D nanoscale
reconstruction of living brain tissue.” Institute of Science and Technology Austria.
https://doi.org/10.15479/AT:ISTA:12817
chicago: Danzl, Johann G. “Research Data for the Publication ‘Dense 4D Nanoscale
Reconstruction of Living Brain Tissue.’” Institute of Science and Technology Austria,
2023. https://doi.org/10.15479/AT:ISTA:12817.
ieee: J. G. Danzl, “Research data for the publication ‘Dense 4D nanoscale reconstruction
of living brain tissue.’” Institute of Science and Technology Austria, 2023.
ista: Danzl JG. 2023. Research data for the publication ‘Dense 4D nanoscale reconstruction
of living brain tissue’, Institute of Science and Technology Austria, 10.15479/AT:ISTA:12817.
mla: Danzl, Johann G. Research Data for the Publication “Dense 4D Nanoscale Reconstruction
of Living Brain Tissue.” Institute of Science and Technology Austria, 2023,
doi:10.15479/AT:ISTA:12817.
short: J.G. Danzl, (2023).
contributor:
- first_name: Philipp
id: 39BDC62C-F248-11E8-B48F-1D18A9856A87
last_name: Velicky
orcid: 0000-0002-2340-7431
- first_name: Eder
id: 3FB91342-F248-11E8-B48F-1D18A9856A87
last_name: Miguel Villalba
- first_name: Julia M
id: 443DB6DE-F248-11E8-B48F-1D18A9856A87
last_name: Michalska
- first_name: Julia
id: 46E28B80-F248-11E8-B48F-1D18A9856A87
last_name: Lyudchik
- first_name: Donglai
last_name: Wei
- first_name: Zudi
last_name: Lin
- first_name: Jake
id: 63836096-4690-11EA-BD4E-32803DDC885E
last_name: Watson
orcid: 0000-0002-8698-3823
- first_name: Jakob
last_name: Troidl
- first_name: Johanna
last_name: Beyer
- first_name: Yoav
id: 43DF3136-F248-11E8-B48F-1D18A9856A87
last_name: Ben Simon
- first_name: Christoph M
id: 4DF26D8C-F248-11E8-B48F-1D18A9856A87
last_name: Sommer
orcid: 0000-0003-1216-9105
- first_name: Wiebke
id: 425C1CE8-F248-11E8-B48F-1D18A9856A87
last_name: Jahr
- first_name: Alban
id: 9ac8f577-2357-11eb-997a-e566c5550886
last_name: Cenameri
- first_name: Johannes
last_name: Broichhagen
- first_name: 'Seth G. N. '
last_name: Grant
- first_name: Peter M
id: 353C1B58-F248-11E8-B48F-1D18A9856A87
last_name: Jonas
orcid: 0000-0001-5001-4804
- first_name: Gaia
id: 3E57A680-F248-11E8-B48F-1D18A9856A87
last_name: Novarino
orcid: 0000-0002-7673-7178
- first_name: Hanspeter
last_name: Pfister
- first_name: Bernd
id: 49876194-F248-11E8-B48F-1D18A9856A87
last_name: Bickel
orcid: 0000-0001-6511-9385
date_created: 2023-04-07T11:37:40Z
date_published: 2023-05-19T00:00:00Z
date_updated: 2024-01-10T08:37:48Z
day: '19'
ddc:
- '570'
department:
- _id: JoDa
doi: 10.15479/AT:ISTA:12817
file:
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date_created: 2023-05-18T17:06:12Z
date_updated: 2023-05-18T17:06:12Z
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publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '13267'
relation: used_in_publication
status: public
status: public
title: Research data for the publication "Dense 4D nanoscale reconstruction of living
brain tissue"
tmp:
image: /images/cc_by_sa.png
legal_code_url: https://creativecommons.org/licenses/by-sa/4.0/legalcode
name: Creative Commons Attribution-ShareAlike 4.0 International Public License (CC
BY-SA 4.0)
short: CC BY-SA (4.0)
type: research_data
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year: '2023'
...
---
_id: '12818'
abstract:
- lang: eng
text: The multicellular organization of diverse systems, including embryos, intestines,
and tumors relies on coordinated cell migration in curved environments. In these
settings, cells establish supracellular patterns of motion, including collective
rotation and invasion. While such collective modes have been studied extensively
in flat systems, the consequences of geometrical and topological constraints on
collective migration in curved systems are largely unknown. Here, we discover
a collective mode of cell migration in rotating spherical tissues manifesting
as a propagating single-wavelength velocity wave. This wave is accompanied by
an apparently incompressible supracellular flow pattern featuring topological
defects as dictated by the spherical topology. Using a minimal active particle
model, we reveal that this collective mode arises from the effect of curvature
on the active flocking behavior of a cell layer confined to a spherical surface.
Our results thus identify curvature-induced velocity waves as a mode of collective
cell migration, impacting the dynamical organization of 3D curved tissues.
acknowledgement: We thank H. Abbaszadeh, M.J. Bowick, G. Gradziuk, M.C. Marchetti,
and S. Shankar for their helpful discussions. Funded by the Deutsche Forschungsgemeinschaft
(DFG, German Research Foundation)—Project-ID 201269156-SFB 1032 (Project B12). D.B.B.
is a NOMIS fellow supported by the NOMIS foundation and was in part supported by
a DFG fellowship within the Graduate School of Quantitative Biosciences Munich (QBM)
and Joachim Herz Stiftung. R.A. acknowledges support from the Human Frontier Science
Program (LT000475/2018-C) and from the National Science Foundation, through the
Center for the Physics of Biological Function (PHY-1734030). M.G. acknowledges support
from NIH R01GM140108 and Alfred Sloan Foundation. Funded by the Deutsche Forschungsgemeinschaft
(DFG, German Research Foundation)—Project-ID 201269156-SFB 1032 (Project B12).Open
Access funding enabled and organized by Projekt DEAL.
article_number: '1643'
article_processing_charge: No
article_type: original
author:
- first_name: Tom
full_name: Brandstätter, Tom
last_name: Brandstätter
- first_name: David
full_name: Brückner, David
id: e1e86031-6537-11eb-953a-f7ab92be508d
last_name: Brückner
orcid: 0000-0001-7205-2975
- first_name: Yu Long
full_name: Han, Yu Long
last_name: Han
- first_name: Ricard
full_name: Alert, Ricard
last_name: Alert
- first_name: Ming
full_name: Guo, Ming
last_name: Guo
- first_name: Chase P.
full_name: Broedersz, Chase P.
last_name: Broedersz
citation:
ama: Brandstätter T, Brückner D, Han YL, Alert R, Guo M, Broedersz CP. Curvature
induces active velocity waves in rotating spherical tissues. Nature Communications.
2023;14. doi:10.1038/s41467-023-37054-2
apa: Brandstätter, T., Brückner, D., Han, Y. L., Alert, R., Guo, M., & Broedersz,
C. P. (2023). Curvature induces active velocity waves in rotating spherical tissues.
Nature Communications. Springer Nature. https://doi.org/10.1038/s41467-023-37054-2
chicago: Brandstätter, Tom, David Brückner, Yu Long Han, Ricard Alert, Ming Guo,
and Chase P. Broedersz. “Curvature Induces Active Velocity Waves in Rotating Spherical
Tissues.” Nature Communications. Springer Nature, 2023. https://doi.org/10.1038/s41467-023-37054-2.
ieee: T. Brandstätter, D. Brückner, Y. L. Han, R. Alert, M. Guo, and C. P. Broedersz,
“Curvature induces active velocity waves in rotating spherical tissues,” Nature
Communications, vol. 14. Springer Nature, 2023.
ista: Brandstätter T, Brückner D, Han YL, Alert R, Guo M, Broedersz CP. 2023. Curvature
induces active velocity waves in rotating spherical tissues. Nature Communications.
14, 1643.
mla: Brandstätter, Tom, et al. “Curvature Induces Active Velocity Waves in Rotating
Spherical Tissues.” Nature Communications, vol. 14, 1643, Springer Nature,
2023, doi:10.1038/s41467-023-37054-2.
short: T. Brandstätter, D. Brückner, Y.L. Han, R. Alert, M. Guo, C.P. Broedersz,
Nature Communications 14 (2023).
date_created: 2023-04-09T22:01:00Z
date_published: 2023-03-24T00:00:00Z
date_updated: 2023-08-01T14:05:30Z
day: '24'
ddc:
- '570'
department:
- _id: EdHa
doi: 10.1038/s41467-023-37054-2
external_id:
isi:
- '000959887700008'
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- '36964141'
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intvolume: ' 14'
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language:
- iso: eng
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oa: 1
oa_version: Published Version
pmid: 1
publication: Nature Communications
publication_identifier:
eissn:
- 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Curvature induces active velocity waves in rotating spherical tissues
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: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 14
year: '2023'
...
---
_id: '12819'
abstract:
- lang: eng
text: 'Reaching a high cavity population with a coherent pump in the strong-coupling
regime of a single-atom laser is impossible due to the photon blockade effect.
In this Letter, we experimentally demonstrate that in a single-atom maser based
on a transmon strongly coupled to two resonators, it is possible to pump over
a dozen photons into the system. The first high-quality resonator plays the role
of a usual lasing cavity, and the second one presents a controlled dissipation
channel, bolstering population inversion, and modifies the energy-level structure
to lift the blockade. As confirmation of the lasing action, we observe conventional
laser features such as a narrowing of the emission linewidth and external signal
amplification. Additionally, we report unique single-atom features: self-quenching
and several lasing thresholds.'
acknowledgement: We thank N.N. Abramov for assistance with the experimental setup.
The sample was fabricated using equipment of MIPT Shared Facilities Center. This
research was supported by Russian Science Foundation, grant no. 21-72-30026.
article_number: L031701
article_processing_charge: No
article_type: letter_note
arxiv: 1
author:
- first_name: Alesya
full_name: Sokolova, Alesya
id: 2d0a0600-edfb-11eb-afb5-c0f5fa7f4f3a
last_name: Sokolova
orcid: 0000-0002-8308-4144
- first_name: D. A.
full_name: Kalacheva, D. A.
last_name: Kalacheva
- first_name: G. P.
full_name: Fedorov, G. P.
last_name: Fedorov
- first_name: O. V.
full_name: Astafiev, O. V.
last_name: Astafiev
citation:
ama: Sokolova A, Kalacheva DA, Fedorov GP, Astafiev OV. Overcoming photon blockade
in a circuit-QED single-atom maser with engineered metastability and strong coupling.
Physical Review A. 2023;107(3). doi:10.1103/PhysRevA.107.L031701
apa: Sokolova, A., Kalacheva, D. A., Fedorov, G. P., & Astafiev, O. V. (2023).
Overcoming photon blockade in a circuit-QED single-atom maser with engineered
metastability and strong coupling. Physical Review A. American Physical
Society. https://doi.org/10.1103/PhysRevA.107.L031701
chicago: Sokolova, Alesya, D. A. Kalacheva, G. P. Fedorov, and O. V. Astafiev. “Overcoming
Photon Blockade in a Circuit-QED Single-Atom Maser with Engineered Metastability
and Strong Coupling.” Physical Review A. American Physical Society, 2023.
https://doi.org/10.1103/PhysRevA.107.L031701.
ieee: A. Sokolova, D. A. Kalacheva, G. P. Fedorov, and O. V. Astafiev, “Overcoming
photon blockade in a circuit-QED single-atom maser with engineered metastability
and strong coupling,” Physical Review A, vol. 107, no. 3. American Physical
Society, 2023.
ista: Sokolova A, Kalacheva DA, Fedorov GP, Astafiev OV. 2023. Overcoming photon
blockade in a circuit-QED single-atom maser with engineered metastability and
strong coupling. Physical Review A. 107(3), L031701.
mla: Sokolova, Alesya, et al. “Overcoming Photon Blockade in a Circuit-QED Single-Atom
Maser with Engineered Metastability and Strong Coupling.” Physical Review A,
vol. 107, no. 3, L031701, American Physical Society, 2023, doi:10.1103/PhysRevA.107.L031701.
short: A. Sokolova, D.A. Kalacheva, G.P. Fedorov, O.V. Astafiev, Physical Review
A 107 (2023).
date_created: 2023-04-09T22:01:00Z
date_published: 2023-03-22T00:00:00Z
date_updated: 2023-08-01T14:06:05Z
day: '22'
department:
- _id: JoFi
doi: 10.1103/PhysRevA.107.L031701
external_id:
arxiv:
- '2209.05165'
isi:
- '000957799000006'
intvolume: ' 107'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2209.05165
month: '03'
oa: 1
oa_version: Preprint
publication: Physical Review A
publication_identifier:
eissn:
- 2469-9934
issn:
- 2469-9926
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Overcoming photon blockade in a circuit-QED single-atom maser with engineered
metastability and strong coupling
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 107
year: '2023'
...