---
_id: '9007'
abstract:
- lang: eng
text: Motivated by a recent question of Peyre, we apply the Hardy–Littlewood circle
method to count “sufficiently free” rational points of bounded height on arbitrary
smooth projective hypersurfaces of low degree that are defined over the rationals.
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Timothy D
full_name: Browning, Timothy D
id: 35827D50-F248-11E8-B48F-1D18A9856A87
last_name: Browning
orcid: 0000-0002-8314-0177
- first_name: Will
full_name: Sawin, Will
last_name: Sawin
citation:
ama: Browning TD, Sawin W. Free rational points on smooth hypersurfaces. Commentarii
Mathematici Helvetici. 2020;95(4):635-659. doi:10.4171/CMH/499
apa: Browning, T. D., & Sawin, W. (2020). Free rational points on smooth hypersurfaces.
Commentarii Mathematici Helvetici. EMS Press. https://doi.org/10.4171/CMH/499
chicago: Browning, Timothy D, and Will Sawin. “Free Rational Points on Smooth Hypersurfaces.”
Commentarii Mathematici Helvetici. EMS Press, 2020. https://doi.org/10.4171/CMH/499.
ieee: T. D. Browning and W. Sawin, “Free rational points on smooth hypersurfaces,”
Commentarii Mathematici Helvetici, vol. 95, no. 4. EMS Press, pp. 635–659,
2020.
ista: Browning TD, Sawin W. 2020. Free rational points on smooth hypersurfaces.
Commentarii Mathematici Helvetici. 95(4), 635–659.
mla: Browning, Timothy D., and Will Sawin. “Free Rational Points on Smooth Hypersurfaces.”
Commentarii Mathematici Helvetici, vol. 95, no. 4, EMS Press, 2020, pp.
635–59, doi:10.4171/CMH/499.
short: T.D. Browning, W. Sawin, Commentarii Mathematici Helvetici 95 (2020) 635–659.
das_tickbox: '1'
date_created: 2021-01-17T23:01:11Z
date_published: 2020-12-07T00:00:00Z
date_updated: 2026-07-06T11:54:01Z
day: '07'
department:
- _id: TiBr
doi: 10.4171/CMH/499
external_id:
arxiv:
- '1906.08463'
isi:
- '000596833300001'
intvolume: ' 95'
isi: 1
issue: '4'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1906.08463
month: '12'
oa: 1
oa_version: Preprint
page: 635-659
publication: Commentarii Mathematici Helvetici
publication_identifier:
eissn:
- 1420-8946
issn:
- 0010-2571
publication_status: published
publisher: EMS Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Free rational points on smooth hypersurfaces
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 95
year: '2020'
...
---
_id: '15070'
abstract:
- lang: eng
text: This workshop focused on interactions between the various perspectives on
the moduli space of Higgs bundles over a Riemann surface. This subject draws on
algebraic geometry, geometric topology, geometric analysis and mathematical physics,
and the goal was to promote interactions between these various branches of the
subject. The main current directions of research were well represented by the
participants, and the talks included many from both senior and junior participants.
article_processing_charge: No
article_type: original
author:
- first_name: Lara
full_name: Anderson, Lara
last_name: Anderson
- first_name: Tamás
full_name: Hausel, Tamás
id: 4A0666D8-F248-11E8-B48F-1D18A9856A87
last_name: Hausel
orcid: 0000-0002-9582-2634
- first_name: Rafe
full_name: Mazzeo, Rafe
last_name: Mazzeo
- first_name: Laura
full_name: Schaposnik, Laura
last_name: Schaposnik
citation:
ama: Anderson L, Hausel T, Mazzeo R, Schaposnik L. Geometry and physics of Higgs
bundles. Oberwolfach Reports. 2020;16(2):1357-1417. doi:10.4171/owr/2019/23
apa: Anderson, L., Hausel, T., Mazzeo, R., & Schaposnik, L. (2020). Geometry
and physics of Higgs bundles. Oberwolfach Reports. EMS Press. https://doi.org/10.4171/owr/2019/23
chicago: Anderson, Lara, Tamás Hausel, Rafe Mazzeo, and Laura Schaposnik. “Geometry
and Physics of Higgs Bundles.” Oberwolfach Reports. EMS Press, 2020. https://doi.org/10.4171/owr/2019/23.
ieee: L. Anderson, T. Hausel, R. Mazzeo, and L. Schaposnik, “Geometry and physics
of Higgs bundles,” Oberwolfach Reports, vol. 16, no. 2. EMS Press, pp.
1357–1417, 2020.
ista: Anderson L, Hausel T, Mazzeo R, Schaposnik L. 2020. Geometry and physics of
Higgs bundles. Oberwolfach Reports. 16(2), 1357–1417.
mla: Anderson, Lara, et al. “Geometry and Physics of Higgs Bundles.” Oberwolfach
Reports, vol. 16, no. 2, EMS Press, 2020, pp. 1357–417, doi:10.4171/owr/2019/23.
short: L. Anderson, T. Hausel, R. Mazzeo, L. Schaposnik, Oberwolfach Reports 16
(2020) 1357–1417.
das_tickbox: '1'
date_created: 2024-03-04T11:36:31Z
date_published: 2020-06-04T00:00:00Z
date_updated: 2026-07-06T11:52:54Z
day: '04'
department:
- _id: TaHa
doi: 10.4171/owr/2019/23
intvolume: ' 16'
issue: '2'
keyword:
- Organic Chemistry
- Biochemistry
language:
- iso: eng
month: '06'
oa_version: None
page: 1357-1417
publication: Oberwolfach Reports
publication_identifier:
issn:
- 1660-8933
publication_status: published
publisher: EMS Press
quality_controlled: '1'
status: public
title: Geometry and physics of Higgs bundles
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 16
year: '2020'
...
---
_id: '15072'
abstract:
- lang: eng
text: The interaction among fundamental particles in nature leads to many interesting
effects in quantum statistical mechanics; examples include superconductivity for
charged systems and superfluidity in cold gases. It is a huge challenge for mathematical
physics to understand the collective behavior of systems containing a large number
of particles, emerging from known microscopic interactions. In this workshop we
brought together researchers working on different aspects of many-body quantum
mechanics to discuss recent developments, exchange ideas and propose new challenges
and research directions.
article_processing_charge: No
article_type: original
author:
- first_name: Christian
full_name: Hainzl, Christian
last_name: Hainzl
- first_name: Benjamin
full_name: Schlein, Benjamin
last_name: Schlein
- first_name: Robert
full_name: Seiringer, Robert
id: 4AFD0470-F248-11E8-B48F-1D18A9856A87
last_name: Seiringer
orcid: 0000-0002-6781-0521
- first_name: Simone
full_name: Warzel, Simone
last_name: Warzel
citation:
ama: Hainzl C, Schlein B, Seiringer R, Warzel S. Many-body quantum systems. Oberwolfach
Reports. 2020;16(3):2541-2603. doi:10.4171/owr/2019/41
apa: Hainzl, C., Schlein, B., Seiringer, R., & Warzel, S. (2020). Many-body
quantum systems. Oberwolfach Reports. EMS Press. https://doi.org/10.4171/owr/2019/41
chicago: Hainzl, Christian, Benjamin Schlein, Robert Seiringer, and Simone Warzel.
“Many-Body Quantum Systems.” Oberwolfach Reports. EMS Press, 2020. https://doi.org/10.4171/owr/2019/41.
ieee: C. Hainzl, B. Schlein, R. Seiringer, and S. Warzel, “Many-body quantum systems,”
Oberwolfach Reports, vol. 16, no. 3. EMS Press, pp. 2541–2603, 2020.
ista: Hainzl C, Schlein B, Seiringer R, Warzel S. 2020. Many-body quantum systems.
Oberwolfach Reports. 16(3), 2541–2603.
mla: Hainzl, Christian, et al. “Many-Body Quantum Systems.” Oberwolfach Reports,
vol. 16, no. 3, EMS Press, 2020, pp. 2541–603, doi:10.4171/owr/2019/41.
short: C. Hainzl, B. Schlein, R. Seiringer, S. Warzel, Oberwolfach Reports 16 (2020)
2541–2603.
das_tickbox: '1'
date_created: 2024-03-04T11:46:12Z
date_published: 2020-09-10T00:00:00Z
date_updated: 2026-07-06T11:53:09Z
day: '10'
department:
- _id: RoSe
doi: 10.4171/owr/2019/41
intvolume: ' 16'
issue: '3'
language:
- iso: eng
month: '09'
oa_version: None
page: 2541-2603
publication: Oberwolfach Reports
publication_identifier:
issn:
- 1660-8933
publication_status: published
publisher: EMS Press
quality_controlled: '1'
status: public
title: Many-body quantum systems
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 16
year: '2020'
...
---
_id: '8973'
abstract:
- lang: eng
text: We consider the symmetric simple exclusion process in Zd with quenched bounded
dynamic random conductances and prove its hydrodynamic limit in path space. The
main tool is the connection, due to the self-duality of the process, between the
invariance principle for single particles starting from all points and the macroscopic
behavior of the density field. While the hydrodynamic limit at fixed macroscopic
times is obtained via a generalization to the time-inhomogeneous context of the
strategy introduced in [41], in order to prove tightness for the sequence of empirical
density fields we develop a new criterion based on the notion of uniform conditional
stochastic continuity, following [50]. In conclusion, we show that uniform elliptic
dynamic conductances provide an example of environments in which the so-called
arbitrary starting point invariance principle may be derived from the invariance
principle of a single particle starting from the origin. Therefore, our hydrodynamics
result applies to the examples of quenched environments considered in, e.g., [1],
[3], [6] in combination with the hypothesis of uniform ellipticity.
acknowledgement: "We warmly thank S.R.S. Varadhan for many enlightening discussions
at an early stage of this work. We are indebted to Francesca Collet for fruitful
discussions and constant support all throughout this work. We thank Simone Floreani\r\nand
Alberto Chiarini for helpful conversations on the final part of this paper as well
as both referees for their careful reading and for raising relevant issues on some
weak points contained in a previous version of this manuscript; we believe this
helped us to improve it.\r\nPart of this work was done during the authors’ stay
at the Institut Henri Poincaré (UMS 5208 CNRS-Sorbonne Université) – Centre Emile
Borel during the trimester Stochastic Dynamics Out of Equilibrium. The authors thank
this institution for hospitality and support (through LabEx CARMIN, ANR-10-LABX-59-01).
F.S. thanks laboratoire\r\nMAP5 of Université de Paris, and E.S. thanks Delft University,
for financial support and hospitality. F.S. acknowledges NWO for financial support
via the TOP1 grant 613.001.552 as well as funding from the European Union’s Horizon
2020 research and innovation programme under the Marie-Skłodowska-Curie grant agreement
No. 754411. This research has been conducted within the FP2M federation (CNRS FR
2036)."
article_number: '138'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Frank
full_name: Redig, Frank
last_name: Redig
- first_name: Ellen
full_name: Saada, Ellen
last_name: Saada
- first_name: Federico
full_name: Sau, Federico
id: E1836206-9F16-11E9-8814-AEFDE5697425
last_name: Sau
citation:
ama: 'Redig F, Saada E, Sau F. Symmetric simple exclusion process in dynamic environment:
Hydrodynamics. Electronic Journal of Probability. 2020;25. doi:10.1214/20-EJP536'
apa: 'Redig, F., Saada, E., & Sau, F. (2020). Symmetric simple exclusion process
in dynamic environment: Hydrodynamics. Electronic Journal of Probability.
Institute of Mathematical Statistics. https://doi.org/10.1214/20-EJP536'
chicago: 'Redig, Frank, Ellen Saada, and Federico Sau. “Symmetric Simple Exclusion
Process in Dynamic Environment: Hydrodynamics.” Electronic Journal of Probability.
Institute of Mathematical Statistics, 2020. https://doi.org/10.1214/20-EJP536.'
ieee: 'F. Redig, E. Saada, and F. Sau, “Symmetric simple exclusion process in dynamic
environment: Hydrodynamics,” Electronic Journal of Probability, vol. 25.
Institute of Mathematical Statistics, 2020.'
ista: 'Redig F, Saada E, Sau F. 2020. Symmetric simple exclusion process in dynamic
environment: Hydrodynamics. Electronic Journal of Probability. 25, 138.'
mla: 'Redig, Frank, et al. “Symmetric Simple Exclusion Process in Dynamic Environment:
Hydrodynamics.” Electronic Journal of Probability, vol. 25, 138, Institute
of Mathematical Statistics, 2020, doi:10.1214/20-EJP536.'
short: F. Redig, E. Saada, F. Sau, Electronic Journal of Probability 25 (2020).
das_tickbox: '1'
date_created: 2020-12-27T23:01:17Z
date_published: 2020-10-21T00:00:00Z
date_updated: 2026-07-06T12:04:40Z
day: '21'
ddc:
- '510'
department:
- _id: JaMa
doi: 10.1214/20-EJP536
ec_funded: 1
external_id:
arxiv:
- '1811.01366'
isi:
- '000591737500001'
file:
- access_level: open_access
checksum: d75359b9814e78d57c0a481b7cde3751
content_type: application/pdf
creator: dernst
date_created: 2020-12-28T08:24:08Z
date_updated: 2020-12-28T08:24:08Z
file_id: '8976'
file_name: 2020_ElectronJProbab_Redig.pdf
file_size: 696653
relation: main_file
success: 1
file_date_updated: 2020-12-28T08:24:08Z
has_accepted_license: '1'
intvolume: ' 25'
isi: 1
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Electronic Journal of Probability
publication_identifier:
eissn:
- 1083-6489
publication_status: published
publisher: Institute of Mathematical Statistics
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Symmetric simple exclusion process in dynamic environment: Hydrodynamics'
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 25
year: '2020'
...
---
_id: '8040'
abstract:
- lang: eng
text: The mitochondrial respiratory chain, formed by five protein complexes, utilizes
energy from catabolic processes to synthesize ATP. Complex I, the first and the
largest protein complex of the chain, harvests electrons from NADH to reduce quinone,
while pumping protons across the mitochondrial membrane. Detailed knowledge of
the working principle of such coupled charge-transfer processes remains, however,
fragmentary due to bottlenecks in understanding redox-driven conformational transitions
and their interplay with the hydrated proton pathways. Complex I from Thermus
thermophilus encases 16 subunits with nine iron–sulfur clusters, reduced by electrons
from NADH. Here, employing the latest crystal structure of T. thermophilus complex
I, we have used microsecond-scale molecular dynamics simulations to study the
chemo-mechanical coupling between redox changes of the iron–sulfur clusters and
conformational transitions across complex I. First, we identify the redox switches
within complex I, which allosterically couple the dynamics of the quinone binding
pocket to the site of NADH reduction. Second, our free-energy calculations reveal
that the affinity of the quinone, specifically menaquinone, for the binding-site
is higher than that of its reduced, menaquinol form—a design essential for menaquinol
release. Remarkably, the barriers to diffusive menaquinone dynamics are lesser
than that of the more ubiquitous ubiquinone, and the naphthoquinone headgroup
of the former furnishes stronger binding interactions with the pocket, favoring
menaquinone for charge transport in T. thermophilus. Our computations are consistent
with experimentally validated mutations and hierarchize the key residues into
three functional classes, identifying new mutation targets. Third, long-range
hydrogen-bond networks connecting the quinone-binding site to the transmembrane
subunits are found to be responsible for proton pumping. Put together, the simulations
reveal the molecular design principles linking redox reactions to quinone turnover
to proton translocation in complex I.
article_processing_charge: No
article_type: original
author:
- first_name: Chitrak
full_name: Gupta, Chitrak
last_name: Gupta
- first_name: Umesh
full_name: Khaniya, Umesh
last_name: Khaniya
- first_name: Chun Kit
full_name: Chan, Chun Kit
last_name: Chan
- first_name: Francois
full_name: Dehez, Francois
last_name: Dehez
- first_name: Mrinal
full_name: Shekhar, Mrinal
last_name: Shekhar
- first_name: M. R.
full_name: Gunner, M. R.
last_name: Gunner
- first_name: Leonid A
full_name: Sazanov, Leonid A
id: 338D39FE-F248-11E8-B48F-1D18A9856A87
last_name: Sazanov
orcid: 0000-0002-0977-7989
- first_name: Christophe
full_name: Chipot, Christophe
last_name: Chipot
- first_name: Abhishek
full_name: Singharoy, Abhishek
last_name: Singharoy
citation:
ama: Gupta C, Khaniya U, Chan CK, et al. Charge transfer and chemo-mechanical coupling
in respiratory complex I. Journal of the American Chemical Society. 2020;142(20):9220-9230.
doi:10.1021/jacs.9b13450
apa: Gupta, C., Khaniya, U., Chan, C. K., Dehez, F., Shekhar, M., Gunner, M. R.,
… Singharoy, A. (2020). Charge transfer and chemo-mechanical coupling in respiratory
complex I. Journal of the American Chemical Society. American Chemical
Society. https://doi.org/10.1021/jacs.9b13450
chicago: Gupta, Chitrak, Umesh Khaniya, Chun Kit Chan, Francois Dehez, Mrinal Shekhar,
M. R. Gunner, Leonid A Sazanov, Christophe Chipot, and Abhishek Singharoy. “Charge
Transfer and Chemo-Mechanical Coupling in Respiratory Complex I.” Journal of
the American Chemical Society. American Chemical Society, 2020. https://doi.org/10.1021/jacs.9b13450.
ieee: C. Gupta et al., “Charge transfer and chemo-mechanical coupling in
respiratory complex I,” Journal of the American Chemical Society, vol.
142, no. 20. American Chemical Society, pp. 9220–9230, 2020.
ista: Gupta C, Khaniya U, Chan CK, Dehez F, Shekhar M, Gunner MR, Sazanov LA, Chipot
C, Singharoy A. 2020. Charge transfer and chemo-mechanical coupling in respiratory
complex I. Journal of the American Chemical Society. 142(20), 9220–9230.
mla: Gupta, Chitrak, et al. “Charge Transfer and Chemo-Mechanical Coupling in Respiratory
Complex I.” Journal of the American Chemical Society, vol. 142, no. 20,
American Chemical Society, 2020, pp. 9220–30, doi:10.1021/jacs.9b13450.
short: C. Gupta, U. Khaniya, C.K. Chan, F. Dehez, M. Shekhar, M.R. Gunner, L.A.
Sazanov, C. Chipot, A. Singharoy, Journal of the American Chemical Society 142
(2020) 9220–9230.
corr_author: '1'
date_created: 2020-06-29T07:59:35Z
date_published: 2020-05-20T00:00:00Z
date_updated: 2026-07-06T12:16:34Z
day: '20'
department:
- _id: LeSa
doi: 10.1021/jacs.9b13450
external_id:
isi:
- '000537415600020'
pmid:
- '32347721'
intvolume: ' 142'
isi: 1
issue: '20'
language:
- iso: eng
month: '05'
oa_version: None
page: 9220-9230
pmid: 1
publication: Journal of the American Chemical Society
publication_identifier:
eissn:
- 1520-5126
issn:
- 0002-7863
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
- id: '9878'
relation: research_data
status: public
- id: '9326'
relation: research_data
status: public
- id: '9713'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Charge transfer and chemo-mechanical coupling in respiratory complex I
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 142
year: '2020'
...
---
_id: '7166'
abstract:
- lang: eng
text: In the living cell, we encounter a large variety of motile processes such
as organelle transport and cytoskeleton remodeling. These processes are driven
by motor proteins that generate force by transducing chemical free energy into
mechanical work. In many cases, the molecular motors work in teams to collectively
generate larger forces. Recent optical trapping experiments on small teams of
cytoskeletal motors indicated that the collectively generated force increases
with the size of the motor team but that this increase depends on the motor type
and on whether the motors are studied in vitro or in vivo. Here, we use the theory
of stochastic processes to describe the motion of N motors in a stationary optical
trap and to compute the N-dependence of the collectively generated forces. We
consider six distinct motor types, two kinesins, two dyneins, and two myosins.
We show that the force increases always linearly with N but with a prefactor that
depends on the performance of the single motor. Surprisingly, this prefactor increases
for weaker motors with a lower stall force. This counter-intuitive behavior reflects
the increased probability with which stronger motors detach from the filament
during strain generation. Our theoretical results are in quantitative agreement
with experimental data on small teams of kinesin-1 motors.
article_processing_charge: No
article_type: letter_note
author:
- first_name: Mehmet C
full_name: Ucar, Mehmet C
id: 50B2A802-6007-11E9-A42B-EB23E6697425
last_name: Ucar
orcid: 0000-0003-0506-4217
- first_name: Reinhard
full_name: Lipowsky, Reinhard
last_name: Lipowsky
citation:
ama: Ucar MC, Lipowsky R. Collective force generation by molecular motors is determined
by strain-induced unbinding. Nano Letters. 2020;20(1):669-676. doi:10.1021/acs.nanolett.9b04445
apa: Ucar, M. C., & Lipowsky, R. (2020). Collective force generation by molecular
motors is determined by strain-induced unbinding. Nano Letters. American
Chemical Society. https://doi.org/10.1021/acs.nanolett.9b04445
chicago: Ucar, Mehmet C, and Reinhard Lipowsky. “Collective Force Generation by
Molecular Motors Is Determined by Strain-Induced Unbinding.” Nano Letters.
American Chemical Society, 2020. https://doi.org/10.1021/acs.nanolett.9b04445.
ieee: M. C. Ucar and R. Lipowsky, “Collective force generation by molecular motors
is determined by strain-induced unbinding,” Nano Letters, vol. 20, no.
1. American Chemical Society, pp. 669–676, 2020.
ista: Ucar MC, Lipowsky R. 2020. Collective force generation by molecular motors
is determined by strain-induced unbinding. Nano Letters. 20(1), 669–676.
mla: Ucar, Mehmet C., and Reinhard Lipowsky. “Collective Force Generation by Molecular
Motors Is Determined by Strain-Induced Unbinding.” Nano Letters, vol. 20,
no. 1, American Chemical Society, 2020, pp. 669–76, doi:10.1021/acs.nanolett.9b04445.
short: M.C. Ucar, R. Lipowsky, Nano Letters 20 (2020) 669–676.
corr_author: '1'
date_created: 2019-12-10T15:36:05Z
date_published: 2020-01-08T00:00:00Z
date_updated: 2026-07-06T12:14:33Z
day: '08'
ddc:
- '570'
department:
- _id: EdHa
doi: 10.1021/acs.nanolett.9b04445
external_id:
isi:
- '000507151600087'
pmid:
- '31797672'
intvolume: ' 20'
isi: 1
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1021/acs.nanolett.9b04445
month: '01'
oa: 1
oa_version: Published Version
page: 669-676
pmid: 1
publication: Nano Letters
publication_identifier:
eissn:
- 1530-6992
issn:
- 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
- id: '9726'
relation: research_data
status: public
- id: '9885'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Collective force generation by molecular motors is determined by strain-induced
unbinding
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 20
year: '2020'
...
---
_id: '9713'
abstract:
- lang: eng
text: Additional analyses of the trajectories
article_processing_charge: No
author:
- first_name: Chitrak
full_name: Gupta, Chitrak
last_name: Gupta
- first_name: Umesh
full_name: Khaniya, Umesh
last_name: Khaniya
- first_name: Chun Kit
full_name: Chan, Chun Kit
last_name: Chan
- first_name: Francois
full_name: Dehez, Francois
last_name: Dehez
- first_name: Mrinal
full_name: Shekhar, Mrinal
last_name: Shekhar
- first_name: M.R.
full_name: Gunner, M.R.
last_name: Gunner
- first_name: Leonid A
full_name: Sazanov, Leonid A
id: 338D39FE-F248-11E8-B48F-1D18A9856A87
last_name: Sazanov
orcid: 0000-0002-0977-7989
- first_name: Christophe
full_name: Chipot, Christophe
last_name: Chipot
- first_name: Abhishek
full_name: Singharoy, Abhishek
last_name: Singharoy
citation:
ama: Gupta C, Khaniya U, Chan CK, et al. Supporting information. 2020. doi:10.1021/jacs.9b13450.s001
apa: Gupta, C., Khaniya, U., Chan, C. K., Dehez, F., Shekhar, M., Gunner, M. R.,
… Singharoy, A. (2020). Supporting information. American Chemical Society. https://doi.org/10.1021/jacs.9b13450.s001
chicago: Gupta, Chitrak, Umesh Khaniya, Chun Kit Chan, Francois Dehez, Mrinal Shekhar,
M.R. Gunner, Leonid A Sazanov, Christophe Chipot, and Abhishek Singharoy. “Supporting
Information.” American Chemical Society, 2020. https://doi.org/10.1021/jacs.9b13450.s001.
ieee: C. Gupta et al., “Supporting information.” American Chemical Society,
2020.
ista: Gupta C, Khaniya U, Chan CK, Dehez F, Shekhar M, Gunner MR, Sazanov LA, Chipot
C, Singharoy A. 2020. Supporting information, American Chemical Society, 10.1021/jacs.9b13450.s001.
mla: Gupta, Chitrak, et al. Supporting Information. American Chemical Society,
2020, doi:10.1021/jacs.9b13450.s001.
short: C. Gupta, U. Khaniya, C.K. Chan, F. Dehez, M. Shekhar, M.R. Gunner, L.A.
Sazanov, C. Chipot, A. Singharoy, (2020).
date_created: 2021-07-23T12:02:39Z
date_published: 2020-05-20T00:00:00Z
date_updated: 2026-07-06T12:16:34Z
day: '20'
department:
- _id: LeSa
doi: 10.1021/jacs.9b13450.s001
month: '05'
oa_version: Published Version
publisher: American Chemical Society
related_material:
record:
- id: '8040'
relation: used_in_publication
status: public
status: public
title: Supporting information
type: research_data_reference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2020'
...
---
_id: '9885'
abstract:
- lang: eng
text: Data obtained from the fine-grained simulations used in Figures 2-5, data
obtained from the coarse-grained numerical calculations used in Figure 6, and
a sample script for the fine-grained simulation as a Jupyter notebook (ZIP)
article_processing_charge: No
author:
- first_name: Mehmet C
full_name: Ucar, Mehmet C
id: 50B2A802-6007-11E9-A42B-EB23E6697425
last_name: Ucar
orcid: 0000-0003-0506-4217
- first_name: Reinhard
full_name: Lipowsky, Reinhard
last_name: Lipowsky
citation:
ama: Ucar MC, Lipowsky R. MURL_Dataz. 2020. doi:10.1021/acs.nanolett.9b04445.s002
apa: Ucar, M. C., & Lipowsky, R. (2020). MURL_Dataz. American Chemical Society.
https://doi.org/10.1021/acs.nanolett.9b04445.s002
chicago: Ucar, Mehmet C, and Reinhard Lipowsky. “MURL_Dataz.” American Chemical
Society, 2020. https://doi.org/10.1021/acs.nanolett.9b04445.s002.
ieee: M. C. Ucar and R. Lipowsky, “MURL_Dataz.” American Chemical Society, 2020.
ista: Ucar MC, Lipowsky R. 2020. MURL_Dataz, American Chemical Society, 10.1021/acs.nanolett.9b04445.s002.
mla: Ucar, Mehmet C., and Reinhard Lipowsky. MURL_Dataz. American Chemical
Society, 2020, doi:10.1021/acs.nanolett.9b04445.s002.
short: M.C. Ucar, R. Lipowsky, (2020).
date_created: 2021-08-11T13:16:03Z
date_published: 2020-01-08T00:00:00Z
date_updated: 2026-07-06T12:14:33Z
day: '08'
department:
- _id: EdHa
doi: 10.1021/acs.nanolett.9b04445.s002
month: '01'
oa_version: Published Version
publisher: American Chemical Society
related_material:
record:
- id: '7166'
relation: used_in_publication
status: public
status: public
title: MURL_Dataz
type: research_data_reference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2020'
...
---
OA_place: publisher
_id: '8155'
abstract:
- lang: eng
text: "In the thesis we focus on the interplay of the biophysics and evolution of
gene regulation. We start by addressing how the type of prokaryotic gene regulation
– activation and repression – affects spurious binding to DNA, also known as\r\ntranscriptional
crosstalk. We propose that regulatory interference caused by excess regulatory
proteins in the dense cellular medium – global crosstalk – could be a factor in
determining which type of gene regulatory network is evolutionarily preferred.
Next,we use a normative approach in eukaryotic gene regulation to describe minimal\r\nnon-equilibrium
enhancer models that optimize so-called regulatory phenotypes. We find a class
of models that differ from standard thermodynamic equilibrium models by a single
parameter that notably increases the regulatory performance. Next chapter addresses
the question of genotype-phenotype-fitness maps of higher dimensional phenotypes.
We show that our biophysically realistic approach allows us to understand how
the mechanisms of promoter function constrain genotypephenotype maps, and how
they affect the evolutionary trajectories of promoters.\r\nIn the last chapter
we ask whether the intrinsic instability of gene duplication and amplification
provides a generic alternative to canonical gene regulation. Using mathematical
modeling, we show that amplifications can tune gene expression in many environments,
including those where transcription factor-based schemes are\r\nhard to evolve
or maintain. "
acknowledgement: For the duration of his PhD, Rok was a recipient of a DOC fellowship
of the Austrian Academy of Sciences.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Rok
full_name: Grah, Rok
id: 483E70DE-F248-11E8-B48F-1D18A9856A87
last_name: Grah
orcid: 0000-0003-2539-3560
citation:
ama: Grah R. Gene regulation across scales – how biophysical constraints shape evolution.
2020. doi:10.15479/AT:ISTA:8155
apa: Grah, R. (2020). Gene regulation across scales – how biophysical constraints
shape evolution. Institute of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:8155
chicago: Grah, Rok. “Gene Regulation across Scales – How Biophysical Constraints
Shape Evolution.” Institute of Science and Technology Austria, 2020. https://doi.org/10.15479/AT:ISTA:8155.
ieee: R. Grah, “Gene regulation across scales – how biophysical constraints shape
evolution,” Institute of Science and Technology Austria, 2020.
ista: Grah R. 2020. Gene regulation across scales – how biophysical constraints
shape evolution. Institute of Science and Technology Austria.
mla: Grah, Rok. Gene Regulation across Scales – How Biophysical Constraints Shape
Evolution. Institute of Science and Technology Austria, 2020, doi:10.15479/AT:ISTA:8155.
short: R. Grah, Gene Regulation across Scales – How Biophysical Constraints Shape
Evolution, Institute of Science and Technology Austria, 2020.
corr_author: '1'
date_created: 2020-07-23T09:51:28Z
date_published: 2020-07-24T00:00:00Z
date_updated: 2026-07-06T12:43:42Z
day: '24'
ddc:
- '530'
- '570'
degree_awarded: PhD
department:
- _id: CaGu
- _id: GaTk
doi: 10.15479/AT:ISTA:8155
file:
- access_level: open_access
content_type: application/pdf
creator: rgrah
date_created: 2020-07-27T12:00:07Z
date_updated: 2020-07-27T12:00:07Z
file_id: '8176'
file_name: Thesis_RokGrah_200727_convertedNew.pdf
file_size: 16638998
relation: main_file
success: 1
- access_level: closed
content_type: application/zip
creator: rgrah
date_created: 2020-07-27T12:02:23Z
date_updated: 2020-07-30T13:04:55Z
file_id: '8177'
file_name: Thesis_new.zip
file_size: 347459978
relation: main_file
file_date_updated: 2020-07-30T13:04:55Z
has_accepted_license: '1'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: '310'
project:
- _id: 267C84F4-B435-11E9-9278-68D0E5697425
name: Biophysically realistic genotype-phenotype maps for regulatory networks
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '7569'
relation: part_of_dissertation
status: public
- id: '7652'
relation: part_of_dissertation
status: public
- id: '7675'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Calin C
full_name: Guet, Calin C
id: 47F8433E-F248-11E8-B48F-1D18A9856A87
last_name: Guet
orcid: 0000-0001-6220-2052
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
title: Gene regulation across scales – how biophysical constraints shape evolution
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2020'
...
---
_id: '7675'
abstract:
- lang: eng
text: 'In prokaryotes, thermodynamic models of gene regulation provide a highly
quantitative mapping from promoter sequences to gene expression levels that is
compatible with in vivo and in vitro bio-physical measurements. Such concordance
has not been achieved for models of enhancer function in eukaryotes. In equilibrium
models, it is difficult to reconcile the reported short transcription factor (TF)
residence times on the DNA with the high specificity of regulation. In non-equilibrium
models, progress is difficult due to an explosion in the number of parameters.
Here, we navigate this complexity by looking for minimal non-equilibrium enhancer
models that yield desired regulatory phenotypes: low TF residence time, high specificity
and tunable cooperativity. We find that a single extra parameter, interpretable
as the “linking rate” by which bound TFs interact with Mediator components, enables
our models to escape equilibrium bounds and access optimal regulatory phenotypes,
while remaining consistent with the reported phenomenology and simple enough to
be inferred from upcoming experiments. We further find that high specificity in
non-equilibrium models is in a tradeoff with gene expression noise, predicting
bursty dynamics — an experimentally-observed hallmark of eukaryotic transcription.
By drastically reducing the vast parameter space to a much smaller subspace that
optimally realizes biological function prior to inference from data, our normative
approach holds promise for mathematical models in systems biology.'
article_processing_charge: No
author:
- first_name: Rok
full_name: Grah, Rok
id: 483E70DE-F248-11E8-B48F-1D18A9856A87
last_name: Grah
orcid: 0000-0003-2539-3560
- first_name: Benjamin
full_name: Zoller, Benjamin
last_name: Zoller
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
biorxivid: 1
citation:
ama: Grah R, Zoller B, Tkačik G. Normative models of enhancer function. bioRxiv.
2020. doi:10.1101/2020.04.08.029405
apa: Grah, R., Zoller, B., & Tkačik, G. (2020). Normative models of enhancer
function. bioRxiv. https://doi.org/10.1101/2020.04.08.029405
chicago: Grah, Rok, Benjamin Zoller, and Gašper Tkačik. “Normative Models of Enhancer
Function.” BioRxiv, 2020. https://doi.org/10.1101/2020.04.08.029405.
ieee: R. Grah, B. Zoller, and G. Tkačik, “Normative models of enhancer function,”
bioRxiv. 2020.
ista: Grah R, Zoller B, Tkačik G. 2020. Normative models of enhancer function. bioRxiv,
10.1101/2020.04.08.029405.
mla: Grah, Rok, et al. “Normative Models of Enhancer Function.” BioRxiv,
2020, doi:10.1101/2020.04.08.029405.
short: R. Grah, B. Zoller, G. Tkačik, BioRxiv (2020).
corr_author: '1'
das_tickbox: '1'
date_created: 2020-04-23T10:12:51Z
date_published: 2020-04-09T00:00:00Z
date_updated: 2026-07-06T12:43:43Z
day: '09'
department:
- _id: CaGu
- _id: GaTk
doi: 10.1101/2020.04.08.029405
external_id:
biorxivid:
- 10.1101/2020.04.08.029405
language:
- iso: eng
main_file_link:
- open_access: '1'
url: 'https://doi.org/10.1101/2020.04.08.029405 '
month: '04'
oa: 1
oa_version: Preprint
project:
- _id: 2665AAFE-B435-11E9-9278-68D0E5697425
grant_number: RGP0034/2018
name: Can evolution minimize spurious signaling crosstalk to reach optimal performance?
- _id: 267C84F4-B435-11E9-9278-68D0E5697425
name: Biophysically realistic genotype-phenotype maps for regulatory networks
publication: bioRxiv
publication_status: published
related_material:
record:
- id: '8155'
relation: dissertation_contains
status: public
status: public
title: Normative models of enhancer function
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2020'
...
---
_id: '8813'
abstract:
- lang: eng
text: 'In mammals, chromatin marks at imprinted genes are asymmetrically inherited
to control parentally-biased gene expression. This control is thought predominantly
to involve parent-specific differentially methylated regions (DMR) in genomic
DNA. However, neither parent-of-origin-specific transcription nor DMRs have been
comprehensively mapped. We here address this by integrating transcriptomic and
epigenomic approaches in mouse preimplantation embryos (blastocysts). Transcriptome-analysis
identified 71 genes expressed with previously unknown parent-of-origin-specific
expression in blastocysts (nBiX: novel blastocyst-imprinted expression). Uniparental
expression of nBiX genes disappeared soon after implantation. Micro-whole-genome
bisulfite sequencing (μWGBS) of individual uniparental blastocysts detected 859
DMRs. Only 18% of nBiXs were associated with a DMR, whereas 60% were associated
with parentally-biased H3K27me3. This suggests a major role for Polycomb-mediated
imprinting in blastocysts. Five nBiX-clusters contained at least one known imprinted
gene, and five novel clusters contained exclusively nBiX-genes. These data suggest
a complex program of stage-specific imprinting involving different tiers of regulation.'
article_processing_charge: No
author:
- first_name: Laura
full_name: Santini, Laura
last_name: Santini
- first_name: Florian
full_name: Halbritter, Florian
last_name: Halbritter
- first_name: Fabian
full_name: Titz-Teixeira, Fabian
last_name: Titz-Teixeira
- first_name: Toru
full_name: Suzuki, Toru
last_name: Suzuki
- first_name: Maki
full_name: Asami, Maki
last_name: Asami
- first_name: Julia
full_name: Ramesmayer, Julia
last_name: Ramesmayer
- first_name: Xiaoyan
full_name: Ma, Xiaoyan
last_name: Ma
- first_name: Andreas
full_name: Lackner, Andreas
last_name: Lackner
- first_name: Nick
full_name: Warr, Nick
last_name: Warr
- first_name: Florian
full_name: Pauler, Florian
id: 48EA0138-F248-11E8-B48F-1D18A9856A87
last_name: Pauler
orcid: 0000-0002-7462-0048
- first_name: Simon
full_name: Hippenmeyer, Simon
id: 37B36620-F248-11E8-B48F-1D18A9856A87
last_name: Hippenmeyer
orcid: 0000-0003-2279-1061
- first_name: Ernest
full_name: Laue, Ernest
last_name: Laue
- first_name: Matthias
full_name: Farlik, Matthias
last_name: Farlik
- first_name: Christoph
full_name: Bock, Christoph
last_name: Bock
- first_name: Andreas
full_name: Beyer, Andreas
last_name: Beyer
- first_name: Anthony C. F.
full_name: Perry, Anthony C. F.
last_name: Perry
- first_name: Martin
full_name: Leeb, Martin
last_name: Leeb
citation:
ama: Santini L, Halbritter F, Titz-Teixeira F, et al. Novel imprints in mouse blastocysts
are predominantly DNA methylation independent. bioRxiv. doi:10.1101/2020.11.03.366948
apa: Santini, L., Halbritter, F., Titz-Teixeira, F., Suzuki, T., Asami, M., Ramesmayer,
J., … Leeb, M. (n.d.). Novel imprints in mouse blastocysts are predominantly DNA
methylation independent. bioRxiv. https://doi.org/10.1101/2020.11.03.366948
chicago: Santini, Laura, Florian Halbritter, Fabian Titz-Teixeira, Toru Suzuki,
Maki Asami, Julia Ramesmayer, Xiaoyan Ma, et al. “Novel Imprints in Mouse Blastocysts
Are Predominantly DNA Methylation Independent.” BioRxiv, n.d. https://doi.org/10.1101/2020.11.03.366948.
ieee: L. Santini et al., “Novel imprints in mouse blastocysts are predominantly
DNA methylation independent,” bioRxiv. .
ista: Santini L, Halbritter F, Titz-Teixeira F, Suzuki T, Asami M, Ramesmayer J,
Ma X, Lackner A, Warr N, Pauler F, Hippenmeyer S, Laue E, Farlik M, Bock C, Beyer
A, Perry ACF, Leeb M. Novel imprints in mouse blastocysts are predominantly DNA
methylation independent. bioRxiv, 10.1101/2020.11.03.366948.
mla: Santini, Laura, et al. “Novel Imprints in Mouse Blastocysts Are Predominantly
DNA Methylation Independent.” BioRxiv, doi:10.1101/2020.11.03.366948.
short: L. Santini, F. Halbritter, F. Titz-Teixeira, T. Suzuki, M. Asami, J. Ramesmayer,
X. Ma, A. Lackner, N. Warr, F. Pauler, S. Hippenmeyer, E. Laue, M. Farlik, C.
Bock, A. Beyer, A.C.F. Perry, M. Leeb, BioRxiv (n.d.).
das_tickbox: '1'
date_created: 2020-11-26T07:17:19Z
date_published: 2020-11-05T00:00:00Z
date_updated: 2026-07-06T12:45:07Z
day: '05'
department:
- _id: SiHi
doi: 10.1101/2020.11.03.366948
external_id:
pmid:
- 'PPR234457 '
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1101/2020.11.03.366948
month: '11'
oa: 1
oa_version: Preprint
pmid: 1
publication: bioRxiv
publication_status: submitted
status: public
title: Novel imprints in mouse blastocysts are predominantly DNA methylation independent
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2020'
...
---
_id: '7601'
abstract:
- lang: eng
text: Plasmodesmata (PD) are crucial structures for intercellular communication
in multicellular plants with remorins being their crucial plant-specific structural
and functional constituents. The PD biogenesis is an intriguing but poorly understood
process. By expressing an Arabidopsis remorin protein in mammalian cells, we have
reconstituted a PD-like filamentous structure, termed remorin filament (RF), connecting
neighboring cells physically and physiologically. Notably, RFs are capable of
transporting macromolecules intercellularly, in a way similar to plant PD. With
further super-resolution microscopic analysis and biochemical characterization,
we found that RFs are also composed of actin filaments, forming the core skeleton
structure, aligned with the remorin protein. This unique heterologous filamentous
structure might explain the molecular mechanism for remorin function as well as
PD construction. Furthermore, remorin protein exhibits a specific distribution
manner in the plasma membrane in mammalian cells, representing a lipid nanodomain,
depending on its lipid modification status. Our studies not only provide crucial
insights into the mechanism of PD biogenesis, but also uncovers unsuspected fundamental
mechanistic and evolutionary links between intercellular communication systems
of plants and animals.
article_processing_charge: No
author:
- first_name: Zhuang
full_name: Wei, Zhuang
last_name: Wei
- first_name: Shutang
full_name: Tan, Shutang
id: 2DE75584-F248-11E8-B48F-1D18A9856A87
last_name: Tan
orcid: 0000-0002-0471-8285
- first_name: Tao
full_name: Liu, Tao
last_name: Liu
- first_name: Yuan
full_name: Wu, Yuan
last_name: Wu
- first_name: Ji-Gang
full_name: Lei, Ji-Gang
last_name: Lei
- first_name: ZhengJun
full_name: Chen, ZhengJun
last_name: Chen
- first_name: Jiří
full_name: Friml, Jiří
id: 4159519E-F248-11E8-B48F-1D18A9856A87
last_name: Friml
orcid: 0000-0002-8302-7596
- first_name: Hong-Wei
full_name: Xue, Hong-Wei
last_name: Xue
- first_name: Kan
full_name: Liao, Kan
last_name: Liao
citation:
ama: Wei Z, Tan S, Liu T, et al. Plasmodesmata-like intercellular connections by
plant remorin in animal cells. bioRxiv. 2020. doi:10.1101/791137
apa: Wei, Z., Tan, S., Liu, T., Wu, Y., Lei, J.-G., Chen, Z., … Liao, K. (2020).
Plasmodesmata-like intercellular connections by plant remorin in animal cells.
bioRxiv. https://doi.org/10.1101/791137
chicago: Wei, Zhuang, Shutang Tan, Tao Liu, Yuan Wu, Ji-Gang Lei, ZhengJun Chen,
Jiří Friml, Hong-Wei Xue, and Kan Liao. “Plasmodesmata-like Intercellular Connections
by Plant Remorin in Animal Cells.” BioRxiv, 2020. https://doi.org/10.1101/791137.
ieee: Z. Wei et al., “Plasmodesmata-like intercellular connections by plant
remorin in animal cells,” bioRxiv. 2020.
ista: Wei Z, Tan S, Liu T, Wu Y, Lei J-G, Chen Z, Friml J, Xue H-W, Liao K. 2020.
Plasmodesmata-like intercellular connections by plant remorin in animal cells.
bioRxiv, 10.1101/791137.
mla: Wei, Zhuang, et al. “Plasmodesmata-like Intercellular Connections by Plant
Remorin in Animal Cells.” BioRxiv, 2020, doi:10.1101/791137.
short: Z. Wei, S. Tan, T. Liu, Y. Wu, J.-G. Lei, Z. Chen, J. Friml, H.-W. Xue, K.
Liao, BioRxiv (2020).
das_tickbox: '1'
date_created: 2020-03-21T16:34:42Z
date_published: 2020-02-19T00:00:00Z
date_updated: 2026-07-06T12:53:37Z
day: '19'
department:
- _id: JiFr
doi: 10.1101/791137
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1101/791137
month: '02'
oa: 1
oa_version: Preprint
page: '22'
publication: bioRxiv
publication_status: published
status: public
title: Plasmodesmata-like intercellular connections by plant remorin in animal cells
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2020'
...
---
_id: '8539'
abstract:
- lang: eng
text: Cohomological and K-theoretic stable bases originated from the study of quantum
cohomology and quantum K-theory. Restriction formula for cohomological stable
bases played an important role in computing the quantum connection of cotangent
bundle of partial flag varieties. In this paper we study the K-theoretic stable
bases of cotangent bundles of flag varieties. We describe these bases in terms
of the action of the affine Hecke algebra and the twisted group algebra of KostantKumar.
Using this algebraic description and the method of root polynomials, we give a
restriction formula of the stable bases. We apply it to obtain the restriction
formula for partial flag varieties. We also build a relation between the stable
basis and the Casselman basis in the principal series representations of the Langlands
dual group. As an application, we give a closed formula for the transition matrix
between Casselman basis and the characteristic functions.
- lang: fre
text: "Les bases stables cohomologiques et K-théoriques proviennent de l’étude de
la cohomologie quantique et de la K-théorie quantique. La formule de restriction
pour les bases stables cohomologiques a joué un rôle important dans le calcul
de la connexion quantique du fibré cotangent de variétés de drapeaux partielles.
Dans cet article, nous étudions les bases stables K-théoriques de fibré cotangents
des variétés de drapeaux. Nous décrivons ces bases en fonction de l’action de
l’algèbre de Hecke affine et de l’algèbre de Kostant-Kumar. En utilisant cette
description algébrique et la méthode des polynômes de racine, nous donnons une
formule de restriction des bases stables. Nous l’appliquons\r\npour obtenir la
formule de restriction pour les variétés de drapeaux partielles. Nous construisons
également une relation entre la base stable et la base de Casselman dans les représentations
de la série principale du groupe dual de Langlands p-adique. Comme une application,
nous donnons une formule close pour la matrice de transition entre la base de
Casselman et les fonctions caractéristiques. "
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: C.
full_name: Su, C.
last_name: Su
- first_name: Gufang
full_name: Zhao, Gufang
id: 2BC2AC5E-F248-11E8-B48F-1D18A9856A87
last_name: Zhao
orcid: 0000-0001-7361-2882
- first_name: C.
full_name: Zhong, C.
last_name: Zhong
citation:
ama: Su C, Zhao G, Zhong C. On the K-theory stable bases of the springer resolution.
Annales Scientifiques de l’Ecole Normale Superieure. 2020;53(3):663-671.
doi:10.24033/asens.2431
apa: Su, C., Zhao, G., & Zhong, C. (2020). On the K-theory stable bases of the
springer resolution. Annales Scientifiques de l’Ecole Normale Superieure.
Societe Mathematique de France. https://doi.org/10.24033/asens.2431
chicago: Su, C., Gufang Zhao, and C. Zhong. “On the K-Theory Stable Bases of the
Springer Resolution.” Annales Scientifiques de l’Ecole Normale Superieure.
Societe Mathematique de France, 2020. https://doi.org/10.24033/asens.2431.
ieee: C. Su, G. Zhao, and C. Zhong, “On the K-theory stable bases of the springer
resolution,” Annales Scientifiques de l’Ecole Normale Superieure, vol.
53, no. 3. Societe Mathematique de France, pp. 663–671, 2020.
ista: Su C, Zhao G, Zhong C. 2020. On the K-theory stable bases of the springer
resolution. Annales Scientifiques de l’Ecole Normale Superieure. 53(3), 663–671.
mla: Su, C., et al. “On the K-Theory Stable Bases of the Springer Resolution.” Annales
Scientifiques de l’Ecole Normale Superieure, vol. 53, no. 3, Societe Mathematique
de France, 2020, pp. 663–71, doi:10.24033/asens.2431.
short: C. Su, G. Zhao, C. Zhong, Annales Scientifiques de l’Ecole Normale Superieure
53 (2020) 663–671.
das_tickbox: '1'
date_created: 2020-09-20T22:01:38Z
date_published: 2020-06-01T00:00:00Z
date_updated: 2026-07-06T13:57:35Z
day: '01'
department:
- _id: TaHa
doi: 10.24033/asens.2431
external_id:
arxiv:
- '1708.08013'
isi:
- '000592182600004'
intvolume: ' 53'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1708.08013
month: '06'
oa: 1
oa_version: Preprint
page: 663-671
publication: Annales Scientifiques de l'Ecole Normale Superieure
publication_identifier:
issn:
- 0012-9593
publication_status: published
publisher: Societe Mathematique de France
quality_controlled: '1'
scopus_import: '1'
status: public
title: On the K-theory stable bases of the springer resolution
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 53
year: '2020'
...
---
_id: '9781'
abstract:
- lang: eng
text: We consider the Pekar functional on a ball in ℝ3. We prove uniqueness of minimizers,
and a quadratic lower bound in terms of the distance to the minimizer. The latter
follows from nondegeneracy of the Hessian at the minimum.
acknowledgement: We are grateful for the hospitality at the Mittag-Leffler Institute,
where part of this work has been done. The work of the authors was supported by
the European Research Council (ERC)under the European Union's Horizon 2020 research
and innovation programme grant 694227.
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Dario
full_name: Feliciangeli, Dario
id: 41A639AA-F248-11E8-B48F-1D18A9856A87
last_name: Feliciangeli
orcid: 0000-0003-0754-8530
- first_name: Robert
full_name: Seiringer, Robert
id: 4AFD0470-F248-11E8-B48F-1D18A9856A87
last_name: Seiringer
orcid: 0000-0002-6781-0521
citation:
ama: Feliciangeli D, Seiringer R. Uniqueness and nondegeneracy of minimizers of
the Pekar functional on a ball. SIAM Journal on Mathematical Analysis.
2020;52(1):605-622. doi:10.1137/19m126284x
apa: Feliciangeli, D., & Seiringer, R. (2020). Uniqueness and nondegeneracy
of minimizers of the Pekar functional on a ball. SIAM Journal on Mathematical
Analysis. Society for Industrial and Applied Mathematics. https://doi.org/10.1137/19m126284x
chicago: Feliciangeli, Dario, and Robert Seiringer. “Uniqueness and Nondegeneracy
of Minimizers of the Pekar Functional on a Ball.” SIAM Journal on Mathematical
Analysis. Society for Industrial and Applied Mathematics, 2020. https://doi.org/10.1137/19m126284x.
ieee: D. Feliciangeli and R. Seiringer, “Uniqueness and nondegeneracy of minimizers
of the Pekar functional on a ball,” SIAM Journal on Mathematical Analysis,
vol. 52, no. 1. Society for Industrial and Applied Mathematics, pp. 605–622, 2020.
ista: Feliciangeli D, Seiringer R. 2020. Uniqueness and nondegeneracy of minimizers
of the Pekar functional on a ball. SIAM Journal on Mathematical Analysis. 52(1),
605–622.
mla: Feliciangeli, Dario, and Robert Seiringer. “Uniqueness and Nondegeneracy of
Minimizers of the Pekar Functional on a Ball.” SIAM Journal on Mathematical
Analysis, vol. 52, no. 1, Society for Industrial and Applied Mathematics,
2020, pp. 605–22, doi:10.1137/19m126284x.
short: D. Feliciangeli, R. Seiringer, SIAM Journal on Mathematical Analysis 52 (2020)
605–622.
corr_author: '1'
das_tickbox: '1'
date_created: 2021-08-06T07:34:16Z
date_published: 2020-02-12T00:00:00Z
date_updated: 2026-07-06T14:02:25Z
day: '12'
ddc:
- '510'
department:
- _id: RoSe
doi: 10.1137/19m126284x
ec_funded: 1
external_id:
arxiv:
- '1904.08647 '
isi:
- '000546967700022'
has_accepted_license: '1'
intvolume: ' 52'
isi: 1
issue: '1'
keyword:
- Applied Mathematics
- Computational Mathematics
- Analysis
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1904.08647
month: '02'
oa: 1
oa_version: Preprint
page: 605-622
project:
- _id: 25C6DC12-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '694227'
name: Analysis of quantum many-body systems
publication: SIAM Journal on Mathematical Analysis
publication_identifier:
eissn:
- 1095-7154
issn:
- 0036-1410
publication_status: published
publisher: Society for Industrial and Applied Mathematics
quality_controlled: '1'
related_material:
record:
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relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Uniqueness and nondegeneracy of minimizers of the Pekar functional on a ball
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legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 52
year: '2020'
...
---
OA_place: publisher
_id: '8958'
abstract:
- lang: eng
text: "The oft-quoted dictum by Arthur Schawlow: ``A diatomic molecule has one atom
too many'' has been disavowed. Inspired by the possibility to experimentally manipulate
and enhance chemical reactivity in helium nanodroplets, we investigate the rotation
of coupled cold molecules in the presence of a many-body environment.\r\nIn this
thesis, we introduce new variational approaches to quantum impurities and apply
them to the Fröhlich polaron - a quasiparticle formed out of an electron (or other
point-like impurity) in a polar medium, and to the angulon - a quasiparticle formed
out of a rotating molecule in a bosonic bath.\r\nWith this theoretical toolbox,
we reveal the self-localization transition for the angulon quasiparticle. We show
that, unlike for polarons, self-localization of angulons occurs at finite impurity-bath
coupling already at the mean-field level. The transition is accompanied by the
spherical-symmetry breaking of the angulon ground state and a discontinuity in
the first derivative of the ground-state energy. Moreover, the type of symmetry
breaking is dictated by the symmetry of the microscopic impurity-bath interaction,
which leads to a number of distinct self-localized states. \r\nFor the system
containing multiple impurities, by analogy with the bipolaron, we introduce the
biangulon quasiparticle describing two rotating molecules that align with respect
to each other due to the effective attractive interaction mediated by the excitations
of the bath. We study this system from the strong-coupling regime to the weak
molecule-bath interaction regime. We show that the molecules tend to have a strong
alignment in the ground state, the biangulon shows shifted angulon instabilities
and an additional spectral instability, where resonant angular momentum transfer
between the molecules and the bath takes place. Finally, we introduce a diagonalization
scheme that allows us to describe the transition from two separated angulons to
a biangulon as a function of the distance between the two molecules."
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Xiang
full_name: Li, Xiang
id: 4B7E523C-F248-11E8-B48F-1D18A9856A87
last_name: Li
citation:
ama: Li X. Rotation of coupled cold molecules in the presence of a many-body environment.
2020. doi:10.15479/AT:ISTA:8958
apa: Li, X. (2020). Rotation of coupled cold molecules in the presence of a many-body
environment. Institute of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:8958
chicago: Li, Xiang. “Rotation of Coupled Cold Molecules in the Presence of a Many-Body
Environment.” Institute of Science and Technology Austria, 2020. https://doi.org/10.15479/AT:ISTA:8958.
ieee: X. Li, “Rotation of coupled cold molecules in the presence of a many-body
environment,” Institute of Science and Technology Austria, 2020.
ista: Li X. 2020. Rotation of coupled cold molecules in the presence of a many-body
environment. Institute of Science and Technology Austria.
mla: Li, Xiang. Rotation of Coupled Cold Molecules in the Presence of a Many-Body
Environment. Institute of Science and Technology Austria, 2020, doi:10.15479/AT:ISTA:8958.
short: X. Li, Rotation of Coupled Cold Molecules in the Presence of a Many-Body
Environment, Institute of Science and Technology Austria, 2020.
corr_author: '1'
date_created: 2020-12-21T09:44:30Z
date_published: 2020-12-21T00:00:00Z
date_updated: 2026-07-07T05:31:09Z
day: '21'
ddc:
- '539'
degree_awarded: PhD
department:
- _id: MiLe
doi: 10.15479/AT:ISTA:8958
ec_funded: 1
file:
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date_created: 2020-12-22T10:56:03Z
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language:
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month: '12'
oa: 1
oa_version: Published Version
page: '125'
project:
- _id: 26031614-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P29902
name: Quantum rotations in the presence of a many-body environment
- _id: 2688CF98-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '801770'
name: 'Angulon: physics and applications of a new quasiparticle'
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '8587'
relation: part_of_dissertation
status: public
- id: '1120'
relation: part_of_dissertation
status: public
- id: '5886'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
title: Rotation of coupled cold molecules in the presence of a many-body environment
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2020'
...
---
_id: '15074'
abstract:
- lang: eng
text: We introduce a new graph problem, the token dropping game, and we show how
to solve it efficiently in a distributed setting. We use the token dropping game
as a tool to design an efficient distributed algorithm for the stable orientation
problem, which is a special case of the more general locally optimal semi-matching
problem. The prior work by Czygrinow et al. (DISC 2012) finds a locally optimal
semi-matching in O(Δ⁵) rounds in graphs of maximum degree Δ, which directly implies
an algorithm with the same runtime for stable orientations. We improve the runtime
to O(Δ⁴) for stable orientations and prove a lower bound of Ω(Δ) rounds.
alternative_title:
- LIPIcs
article_number: '40'
article_processing_charge: No
arxiv: 1
author:
- first_name: Sebastian
full_name: Brandt, Sebastian
last_name: Brandt
- first_name: Barbara
full_name: Keller, Barbara
last_name: Keller
- first_name: Joel
full_name: Rybicki, Joel
id: 334EFD2E-F248-11E8-B48F-1D18A9856A87
last_name: Rybicki
orcid: 0000-0002-6432-6646
- first_name: Jukka
full_name: Suomela, Jukka
last_name: Suomela
- first_name: Jara
full_name: Uitto, Jara
last_name: Uitto
citation:
ama: 'Brandt S, Keller B, Rybicki J, Suomela J, Uitto J. Brief announcement: Efficient
load-balancing through distributed token dropping. In: 34th International Symposium
on Distributed Computing. Vol 179. Schloss Dagstuhl - Leibniz-Zentrum für
Informatik; 2020. doi:10.4230/LIPIcs.DISC.2020.40'
apa: 'Brandt, S., Keller, B., Rybicki, J., Suomela, J., & Uitto, J. (2020).
Brief announcement: Efficient load-balancing through distributed token dropping.
In 34th International Symposium on Distributed Computing (Vol. 179). Virtual:
Schloss Dagstuhl - Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.DISC.2020.40'
chicago: 'Brandt, Sebastian, Barbara Keller, Joel Rybicki, Jukka Suomela, and Jara
Uitto. “Brief Announcement: Efficient Load-Balancing through Distributed Token
Dropping.” In 34th International Symposium on Distributed Computing, Vol.
179. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2020. https://doi.org/10.4230/LIPIcs.DISC.2020.40.'
ieee: 'S. Brandt, B. Keller, J. Rybicki, J. Suomela, and J. Uitto, “Brief announcement:
Efficient load-balancing through distributed token dropping,” in 34th International
Symposium on Distributed Computing, Virtual, 2020, vol. 179.'
ista: 'Brandt S, Keller B, Rybicki J, Suomela J, Uitto J. 2020. Brief announcement:
Efficient load-balancing through distributed token dropping. 34th International
Symposium on Distributed Computing. DISC: Symposium on Distributed Computing,
LIPIcs, vol. 179, 40.'
mla: 'Brandt, Sebastian, et al. “Brief Announcement: Efficient Load-Balancing through
Distributed Token Dropping.” 34th International Symposium on Distributed Computing,
vol. 179, 40, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2020, doi:10.4230/LIPIcs.DISC.2020.40.'
short: S. Brandt, B. Keller, J. Rybicki, J. Suomela, J. Uitto, in:, 34th International
Symposium on Distributed Computing, Schloss Dagstuhl - Leibniz-Zentrum für Informatik,
2020.
conference:
end_date: 2020-10-16
location: Virtual
name: 'DISC: Symposium on Distributed Computing'
start_date: 2020-10-12
corr_author: '1'
date_created: 2024-03-05T07:09:12Z
date_published: 2020-10-07T00:00:00Z
date_updated: 2026-07-07T06:21:32Z
day: '07'
ddc:
- '000'
department:
- _id: DaAl
doi: 10.4230/LIPIcs.DISC.2020.40
external_id:
arxiv:
- '2005.07761'
file:
- access_level: open_access
checksum: 23e2d9321aef53092dc1e24a8ab82d72
content_type: application/pdf
creator: dernst
date_created: 2024-03-05T07:08:27Z
date_updated: 2024-03-05T07:08:27Z
file_id: '15075'
file_name: 2020_LIPIcs_Brandt.pdf
file_size: 303529
relation: main_file
success: 1
file_date_updated: 2024-03-05T07:08:27Z
has_accepted_license: '1'
intvolume: ' 179'
language:
- iso: eng
license: https://creativecommons.org/licenses/by/3.0/
month: '10'
oa: 1
oa_version: Published Version
publication: 34th International Symposium on Distributed Computing
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
quality_controlled: '1'
related_material:
record:
- id: '9678'
relation: later_version
status: public
scopus_import: '1'
status: public
title: 'Brief announcement: Efficient load-balancing through distributed token dropping'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/3.0/legalcode
name: Creative Commons Attribution 3.0 Unported (CC BY 3.0)
short: CC BY (3.0)
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 179
year: '2020'
...
---
_id: '9415'
abstract:
- lang: eng
text: 'Optimizing convolutional neural networks for fast inference has recently
become an extremely active area of research. One of the go-to solutions in this
context is weight pruning, which aims to reduce computational and memory footprint
by removing large subsets of the connections in a neural network. Surprisingly,
much less attention has been given to exploiting sparsity in the activation maps,
which tend to be naturally sparse in many settings thanks to the structure of
rectified linear (ReLU) activation functions. In this paper, we present an in-depth
analysis of methods for maximizing the sparsity of the activations in a trained
neural network, and show that, when coupled with an efficient sparse-input convolution
algorithm, we can leverage this sparsity for significant performance gains. To
induce highly sparse activation maps without accuracy loss, we introduce a new
regularization technique, coupled with a new threshold-based sparsification method
based on a parameterized activation function called Forced-Activation-Threshold
Rectified Linear Unit (FATReLU). We examine the impact of our methods on popular
image classification models, showing that most architectures can adapt to significantly
sparser activation maps without any accuracy loss. Our second contribution is
showing that these these compression gains can be translated into inference speedups:
we provide a new algorithm to enable fast convolution operations over networks
with sparse activations, and show that it can enable significant speedups for
end-to-end inference on a range of popular models on the large-scale ImageNet
image classification task on modern Intel CPUs, with little or no retraining cost. '
article_processing_charge: No
author:
- first_name: Mark
full_name: Kurtz, Mark
last_name: Kurtz
- first_name: Justin
full_name: Kopinsky, Justin
last_name: Kopinsky
- first_name: Rati
full_name: Gelashvili, Rati
last_name: Gelashvili
- first_name: Alexander
full_name: Matveev, Alexander
last_name: Matveev
- first_name: John
full_name: Carr, John
last_name: Carr
- first_name: Michael
full_name: Goin, Michael
last_name: Goin
- first_name: William
full_name: Leiserson, William
last_name: Leiserson
- first_name: Sage
full_name: Moore, Sage
last_name: Moore
- first_name: Bill
full_name: Nell, Bill
last_name: Nell
- first_name: Nir
full_name: Shavit, Nir
last_name: Shavit
- first_name: Dan-Adrian
full_name: Alistarh, Dan-Adrian
id: 4A899BFC-F248-11E8-B48F-1D18A9856A87
last_name: Alistarh
orcid: 0000-0003-3650-940X
citation:
ama: 'Kurtz M, Kopinsky J, Gelashvili R, et al. Inducing and exploiting activation
sparsity for fast neural network inference. In: 37th International Conference
on Machine Learning. Vol 119. ; 2020:5533-5543.'
apa: Kurtz, M., Kopinsky, J., Gelashvili, R., Matveev, A., Carr, J., Goin, M., …
Alistarh, D.-A. (2020). Inducing and exploiting activation sparsity for fast neural
network inference. In 37th International Conference on Machine Learning
(Vol. 119, pp. 5533–5543). Online.
chicago: Kurtz, Mark, Justin Kopinsky, Rati Gelashvili, Alexander Matveev, John
Carr, Michael Goin, William Leiserson, et al. “Inducing and Exploiting Activation
Sparsity for Fast Neural Network Inference.” In 37th International Conference
on Machine Learning, 119:5533–43, 2020.
ieee: M. Kurtz et al., “Inducing and exploiting activation sparsity for fast
neural network inference,” in 37th International Conference on Machine Learning,
Online, 2020, vol. 119, pp. 5533–5543.
ista: 'Kurtz M, Kopinsky J, Gelashvili R, Matveev A, Carr J, Goin M, Leiserson W,
Moore S, Nell B, Shavit N, Alistarh D-A. 2020. Inducing and exploiting activation
sparsity for fast neural network inference. 37th International Conference on Machine
Learning. ICML: International Conference on Machine Learning vol. 119, 5533–5543.'
mla: Kurtz, Mark, et al. “Inducing and Exploiting Activation Sparsity for Fast Neural
Network Inference.” 37th International Conference on Machine Learning,
vol. 119, 2020, pp. 5533–43.
short: M. Kurtz, J. Kopinsky, R. Gelashvili, A. Matveev, J. Carr, M. Goin, W. Leiserson,
S. Moore, B. Nell, N. Shavit, D.-A. Alistarh, in:, 37th International Conference
on Machine Learning, 2020, pp. 5533–5543.
conference:
end_date: 2020-07-18
location: Online
name: 'ICML: International Conference on Machine Learning'
start_date: 2020-07-12
das_tickbox: '1'
date_created: 2021-05-23T22:01:45Z
date_published: 2020-07-12T00:00:00Z
date_updated: 2026-07-07T13:42:32Z
day: '12'
ddc:
- '000'
department:
- _id: DaAl
file:
- access_level: open_access
checksum: 2aaaa7d7226e49161311d91627cf783b
content_type: application/pdf
creator: kschuh
date_created: 2021-05-25T09:51:36Z
date_updated: 2021-05-25T09:51:36Z
file_id: '9421'
file_name: 2020_PMLR_Kurtz.pdf
file_size: 741899
relation: main_file
success: 1
file_date_updated: 2021-05-25T09:51:36Z
has_accepted_license: '1'
intvolume: ' 119'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 5533-5543
publication: 37th International Conference on Machine Learning
publication_identifier:
issn:
- 2640-3498
quality_controlled: '1'
scopus_import: '1'
status: public
title: Inducing and exploiting activation sparsity for fast neural network inference
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 119
year: '2020'
...
---
_id: '8285'
abstract:
- lang: eng
text: We demonstrate the utility of optical cavity generated spin-squeezed states
in free space atomic fountain clocks in ensembles of 390 000 87Rb atoms. Fluorescence
imaging, correlated to an initial quantum nondemolition measurement, is used for
population spectroscopy after the atoms are released from a confining lattice.
For a free fall time of 4 milliseconds, we resolve a single-shot phase sensitivity
of 814(61) microradians, which is 5.8(0.6) decibels (dB) below the quantum projection
limit. We observe that this squeezing is preserved as the cloud expands to a roughly
200 μm radius and falls roughly 300 μm in free space. Ramsey spectroscopy with
240 000 atoms at a 3.6 ms Ramsey time results in a single-shot fractional frequency
stability of 8.4(0.2)×10−12, 3.8(0.2) dB below the quantum projection limit. The
sensitivity and stability are limited by the technical noise in the fluorescence
detection protocol and the microwave system, respectively.
acknowledgement: This work is supported by the Office of Naval Research (N00014-16-1-2927-
A00003), Vannevar Bush Faculty Fellowship (N00014-16-1-2812- P00005), Department
of Energy (DE-SC0019174- 0001), and Defense Threat Reduction Agency (HDTRA1-15-1-0017-
P00005).
article_number: '043202'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Benjamin K.
full_name: Malia, Benjamin K.
last_name: Malia
- first_name: Julián
full_name: Martínez-Rincón, Julián
last_name: Martínez-Rincón
- first_name: Yunfan
full_name: Wu, Yunfan
last_name: Wu
- first_name: Onur
full_name: Hosten, Onur
id: 4C02D85E-F248-11E8-B48F-1D18A9856A87
last_name: Hosten
orcid: 0000-0002-2031-204X
- first_name: Mark A.
full_name: Kasevich, Mark A.
last_name: Kasevich
citation:
ama: Malia BK, Martínez-Rincón J, Wu Y, Hosten O, Kasevich MA. Free space Ramsey
spectroscopy in rubidium with noise below the quantum projection limit. Physical
Review Letters. 2020;125(4). doi:10.1103/PhysRevLett.125.043202
apa: Malia, B. K., Martínez-Rincón, J., Wu, Y., Hosten, O., & Kasevich, M. A.
(2020). Free space Ramsey spectroscopy in rubidium with noise below the quantum
projection limit. Physical Review Letters. American Physical Society. https://doi.org/10.1103/PhysRevLett.125.043202
chicago: Malia, Benjamin K., Julián Martínez-Rincón, Yunfan Wu, Onur Hosten, and
Mark A. Kasevich. “Free Space Ramsey Spectroscopy in Rubidium with Noise below
the Quantum Projection Limit.” Physical Review Letters. American Physical
Society, 2020. https://doi.org/10.1103/PhysRevLett.125.043202.
ieee: B. K. Malia, J. Martínez-Rincón, Y. Wu, O. Hosten, and M. A. Kasevich, “Free
space Ramsey spectroscopy in rubidium with noise below the quantum projection
limit,” Physical Review Letters, vol. 125, no. 4. American Physical Society,
2020.
ista: Malia BK, Martínez-Rincón J, Wu Y, Hosten O, Kasevich MA. 2020. Free space
Ramsey spectroscopy in rubidium with noise below the quantum projection limit.
Physical Review Letters. 125(4), 043202.
mla: Malia, Benjamin K., et al. “Free Space Ramsey Spectroscopy in Rubidium with
Noise below the Quantum Projection Limit.” Physical Review Letters, vol.
125, no. 4, 043202, American Physical Society, 2020, doi:10.1103/PhysRevLett.125.043202.
short: B.K. Malia, J. Martínez-Rincón, Y. Wu, O. Hosten, M.A. Kasevich, Physical
Review Letters 125 (2020).
das_tickbox: '0'
date_created: 2020-08-24T06:24:04Z
date_published: 2020-07-24T00:00:00Z
date_updated: 2026-07-08T08:56:44Z
day: '24'
department:
- _id: OnHo
doi: 10.1103/PhysRevLett.125.043202
external_id:
arxiv:
- '1912.10218'
isi:
- '000552227400008'
pmid:
- '32794788'
intvolume: ' 125'
isi: 1
issue: '4'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1912.10218
month: '07'
oa: 1
oa_version: Preprint
pmid: 1
publication: Physical Review Letters
publication_identifier:
eissn:
- 1079-7114
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Free space Ramsey spectroscopy in rubidium with noise below the quantum projection
limit
type: journal_article
user_id: 68b8ca59-c5b3-11ee-8790-cd641c68093d
volume: 125
year: '2020'
...
---
_id: '8319'
abstract:
- lang: eng
text: We demonstrate that releasing atoms into free space from an optical lattice
does not deteriorate cavity-generated spin squeezing for metrological purposes.
In this work, an ensemble of 500000 spin-squeezed atoms in a high-finesse optical
cavity with near-uniform atom-cavity coupling is prepared, released into free
space, recaptured in the cavity, and probed. Up to ∼10 dB of metrologically relevant
squeezing is retrieved for 700μs free-fall times, and decaying levels of squeezing
are realized for up to 3 ms free-fall times. The degradation of squeezing results
from loss of atom-cavity coupling homogeneity between the initial squeezed state
generation and final collective state readout. A theoretical model is developed
to quantify this degradation and this model is experimentally validated.
acknowledgement: We thank N. Engelsen for comments on the manuscript. This work was
supported by the Office of Naval Research, Vannevar Bush Faculty Fellowship, Department
of Energy, and Defense Threat Reduction Agency. R.K. was partly supported by the
AQT/INQNET program at Caltech.
article_number: '012224'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Yunfan
full_name: Wu, Yunfan
last_name: Wu
- first_name: Rajiv
full_name: Krishnakumar, Rajiv
last_name: Krishnakumar
- first_name: Julián
full_name: Martínez-Rincón, Julián
last_name: Martínez-Rincón
- first_name: Benjamin K.
full_name: Malia, Benjamin K.
last_name: Malia
- first_name: Onur
full_name: Hosten, Onur
id: 4C02D85E-F248-11E8-B48F-1D18A9856A87
last_name: Hosten
orcid: 0000-0002-2031-204X
- first_name: Mark A.
full_name: Kasevich, Mark A.
last_name: Kasevich
citation:
ama: Wu Y, Krishnakumar R, Martínez-Rincón J, Malia BK, Hosten O, Kasevich MA. Retrieval
of cavity-generated atomic spin squeezing after free-space release. Physical
Review A. 2020;102(1). doi:10.1103/PhysRevA.102.012224
apa: Wu, Y., Krishnakumar, R., Martínez-Rincón, J., Malia, B. K., Hosten, O., &
Kasevich, M. A. (2020). Retrieval of cavity-generated atomic spin squeezing after
free-space release. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.102.012224
chicago: Wu, Yunfan, Rajiv Krishnakumar, Julián Martínez-Rincón, Benjamin K. Malia,
Onur Hosten, and Mark A. Kasevich. “Retrieval of Cavity-Generated Atomic Spin
Squeezing after Free-Space Release.” Physical Review A. American Physical
Society, 2020. https://doi.org/10.1103/PhysRevA.102.012224.
ieee: Y. Wu, R. Krishnakumar, J. Martínez-Rincón, B. K. Malia, O. Hosten, and M.
A. Kasevich, “Retrieval of cavity-generated atomic spin squeezing after free-space
release,” Physical Review A, vol. 102, no. 1. American Physical Society,
2020.
ista: Wu Y, Krishnakumar R, Martínez-Rincón J, Malia BK, Hosten O, Kasevich MA.
2020. Retrieval of cavity-generated atomic spin squeezing after free-space release.
Physical Review A. 102(1), 012224.
mla: Wu, Yunfan, et al. “Retrieval of Cavity-Generated Atomic Spin Squeezing after
Free-Space Release.” Physical Review A, vol. 102, no. 1, 012224, American
Physical Society, 2020, doi:10.1103/PhysRevA.102.012224.
short: Y. Wu, R. Krishnakumar, J. Martínez-Rincón, B.K. Malia, O. Hosten, M.A. Kasevich,
Physical Review A 102 (2020).
das_tickbox: '0'
date_created: 2020-08-30T22:01:10Z
date_published: 2020-07-30T00:00:00Z
date_updated: 2026-07-08T08:59:02Z
day: '30'
department:
- _id: OnHo
doi: 10.1103/PhysRevA.102.012224
external_id:
arxiv:
- '1912.08334'
isi:
- '000555104200011'
intvolume: ' 102'
isi: 1
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1912.08334
month: '07'
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'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: no
title: Retrieval of cavity-generated atomic spin squeezing after free-space release
type: journal_article
user_id: 68b8ca59-c5b3-11ee-8790-cd641c68093d
volume: 102
year: '2020'
...
---
_id: '8127'
abstract:
- lang: eng
text: Mechanistic modeling in neuroscience aims to explain observed phenomena in
terms of underlying causes. However, determining which model parameters agree
with complex and stochastic neural data presents a significant challenge. We address
this challenge with a machine learning tool which uses deep neural density estimators—trained
using model simulations—to carry out Bayesian inference and retrieve the full
space of parameters compatible with raw data or selected data features. Our method
is scalable in parameters and data features and can rapidly analyze new data after
initial training. We demonstrate the power and flexibility of our approach on
receptive fields, ion channels, and Hodgkin–Huxley models. We also characterize
the space of circuit configurations giving rise to rhythmic activity in the crustacean
stomatogastric ganglion, and use these results to derive hypotheses for underlying
compensation mechanisms. Our approach will help close the gap between data-driven
and theory-driven models of neural dynamics.
acknowledgement: We thank Mahmood S Hoseini and Michael Stryker for sharing their
data for Figure 2, and Philipp Berens, Sean Bittner, Jan Boelts, John Cunningham,
Richard Gao, Scott Linderman, Eve Marder, Iain Murray, George Papamakarios, Astrid
Prinz, Auguste Schulz and Srinivas Turaga for discussions and/or comments on the
manuscript. This work was supported by the German Research Foundation (DFG) through
SFB 1233 ‘Robust Vision’, (276693517), SFB 1089 ‘Synaptic Microcircuits’, SPP 2041
‘Computational Connectomics’ and Germany's Excellence Strategy – EXC-Number 2064/1
– Project number 390727645 and the German Federal Ministry of Education and Research
(BMBF, project ‘ADIMEM’, FKZ 01IS18052 A-D) to JHM, a Sir Henry Dale Fellowship
by the Wellcome Trust and the Royal Society (WT100000; WFP and TPV), a Wellcome
Trust Senior Research Fellowship (214316/Z/18/Z; TPV), a ERC Consolidator Grant
(SYNAPSEEK; WPF and CC), and a UK Research and Innovation, Biotechnology and Biological
Sciences Research Council (CC, UKRI-BBSRC BB/N019512/1). We gratefully acknowledge
the Leibniz Supercomputing Centre for funding this project by providing computing
time on its Linux-Cluster.
article_number: e56261
article_processing_charge: No
article_type: original
author:
- first_name: Pedro J.
full_name: Gonçalves, Pedro J.
last_name: Gonçalves
orcid: 0000-0002-6987-4836
- first_name: Jan-Matthis
full_name: Lueckmann, Jan-Matthis
last_name: Lueckmann
orcid: 0000-0003-4320-4663
- first_name: Michael
full_name: Deistler, Michael
last_name: Deistler
orcid: 0000-0002-3573-0404
- first_name: Marcel
full_name: Nonnenmacher, Marcel
last_name: Nonnenmacher
orcid: 0000-0001-6044-6627
- first_name: Kaan
full_name: Öcal, Kaan
last_name: Öcal
orcid: 0000-0002-8528-6858
- first_name: Giacomo
full_name: Bassetto, Giacomo
last_name: Bassetto
- first_name: Chaitanya
full_name: Chintaluri, Chaitanya
id: BA06AFEE-A4BA-11EA-AE5C-14673DDC885E
last_name: Chintaluri
orcid: 0000-0003-4252-1608
- first_name: William F.
full_name: Podlaski, William F.
last_name: Podlaski
orcid: 0000-0001-6619-7502
- first_name: Sara A.
full_name: Haddad, Sara A.
last_name: Haddad
orcid: 0000-0003-0807-0823
- first_name: Tim P
full_name: Vogels, Tim P
id: CB6FF8D2-008F-11EA-8E08-2637E6697425
last_name: Vogels
orcid: 0000-0003-3295-6181
- first_name: David S.
full_name: Greenberg, David S.
last_name: Greenberg
- first_name: Jakob H.
full_name: Macke, Jakob H.
last_name: Macke
orcid: 0000-0001-5154-8912
citation:
ama: Gonçalves PJ, Lueckmann J-M, Deistler M, et al. Training deep neural density
estimators to identify mechanistic models of neural dynamics. eLife. 2020;9.
doi:10.7554/eLife.56261
apa: Gonçalves, P. J., Lueckmann, J.-M., Deistler, M., Nonnenmacher, M., Öcal, K.,
Bassetto, G., … Macke, J. H. (2020). Training deep neural density estimators to
identify mechanistic models of neural dynamics. ELife. eLife Sciences Publications.
https://doi.org/10.7554/eLife.56261
chicago: Gonçalves, Pedro J., Jan-Matthis Lueckmann, Michael Deistler, Marcel Nonnenmacher,
Kaan Öcal, Giacomo Bassetto, Chaitanya Chintaluri, et al. “Training Deep Neural
Density Estimators to Identify Mechanistic Models of Neural Dynamics.” ELife.
eLife Sciences Publications, 2020. https://doi.org/10.7554/eLife.56261.
ieee: P. J. Gonçalves et al., “Training deep neural density estimators to
identify mechanistic models of neural dynamics,” eLife, vol. 9. eLife Sciences
Publications, 2020.
ista: Gonçalves PJ, Lueckmann J-M, Deistler M, Nonnenmacher M, Öcal K, Bassetto
G, Chintaluri C, Podlaski WF, Haddad SA, Vogels TP, Greenberg DS, Macke JH. 2020.
Training deep neural density estimators to identify mechanistic models of neural
dynamics. eLife. 9, e56261.
mla: Gonçalves, Pedro J., et al. “Training Deep Neural Density Estimators to Identify
Mechanistic Models of Neural Dynamics.” ELife, vol. 9, e56261, eLife Sciences
Publications, 2020, doi:10.7554/eLife.56261.
short: P.J. Gonçalves, J.-M. Lueckmann, M. Deistler, M. Nonnenmacher, K. Öcal, G.
Bassetto, C. Chintaluri, W.F. Podlaski, S.A. Haddad, T.P. Vogels, D.S. Greenberg,
J.H. Macke, ELife 9 (2020).
das_tickbox: '1'
date_created: 2020-07-16T12:26:04Z
date_published: 2020-09-17T00:00:00Z
date_updated: 2026-07-13T12:31:21Z
day: '17'
ddc:
- '570'
department:
- _id: TiVo
doi: 10.7554/eLife.56261
ec_funded: 1
external_id:
isi:
- '000584989400001'
pmid:
- '32940606'
file:
- access_level: open_access
checksum: c4300ddcd93ed03fc9c6cdf1f77890be
content_type: application/pdf
creator: cziletti
date_created: 2020-10-27T11:37:32Z
date_updated: 2020-10-27T11:37:32Z
file_id: '8709'
file_name: 2020_eLife_Gonçalves.pdf
file_size: 17355867
relation: main_file
success: 1
file_date_updated: 2020-10-27T11:37:32Z
has_accepted_license: '1'
intvolume: ' 9'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by/4.0/
month: '09'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 0aacfa84-070f-11eb-9043-d7eb2c709234
call_identifier: H2020
grant_number: '819603'
name: Learning the shape of synaptic plasticity rules for neuronal architectures
and function through machine learning.
publication: eLife
publication_identifier:
eissn:
- 2050-084X
publication_status: published
publisher: eLife Sciences Publications
quality_controlled: '1'
scopus_import: '1'
status: public
title: Training deep neural density estimators to identify mechanistic models of neural
dynamics
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: 9
year: '2020'
...