---
_id: '10573'
abstract:
- lang: eng
text: How tissues acquire complex shapes is a fundamental question in biology and
regenerative medicine. Zebrafish semicircular canals form from invaginations in
the otic epithelium (buds) that extend and fuse to form the hubs of each canal.
We find that conventional actomyosin-driven behaviors are not required. Instead,
local secretion of hyaluronan, made by the enzymes uridine 5′-diphosphate dehydrogenase
(ugdh) and hyaluronan synthase 3 (has3), drives canal morphogenesis. Charged hyaluronate
polymers osmotically swell with water and generate isotropic extracellular pressure
to deform the overlying epithelium into buds. The mechanical anisotropy needed
to shape buds into tubes is conferred by a polarized distribution of actomyosin
and E-cadherin-rich membrane tethers, which we term cytocinches. Most work on
tissue morphogenesis ascribes actomyosin contractility as the driving force, while
the extracellular matrix shapes tissues through differential stiffness. Our work
inverts this expectation. Hyaluronate pressure shaped by anisotropic tissue stiffness
may be a widespread mechanism for powering morphological change in organogenesis
and tissue engineering.
acknowledgement: We thank Ian Swinburne, Sandy Nandagopal, and Toru Kawanishi for
support, discussions, and reagents. We thank Vanessa Barone, Joseph Nasser, and
members of the Megason lab for useful comments on the manuscript and general feedback.
We are grateful to the Heisenberg and Knaut labs for transgenic fish. Diagrams on
the right in the graphical abstract were created using BioRender. This work was
supported by NIH R01DC015478 and NIH R01GM107733 to S.G.M. A.M. was supported by
Human Frontiers Science Program LTF and NIH K99HD098918.
article_processing_charge: No
article_type: original
author:
- first_name: Akankshi
full_name: Munjal, Akankshi
last_name: Munjal
- first_name: Edouard B
full_name: Hannezo, Edouard B
id: 3A9DB764-F248-11E8-B48F-1D18A9856A87
last_name: Hannezo
orcid: 0000-0001-6005-1561
- first_name: Tony Y.C.
full_name: Tsai, Tony Y.C.
last_name: Tsai
- first_name: Timothy J.
full_name: Mitchison, Timothy J.
last_name: Mitchison
- first_name: Sean G.
full_name: Megason, Sean G.
last_name: Megason
citation:
ama: Munjal A, Hannezo EB, Tsai TYC, Mitchison TJ, Megason SG. Extracellular hyaluronate
pressure shaped by cellular tethers drives tissue morphogenesis. Cell.
2021;184(26):6313-6325.e18. doi:10.1016/j.cell.2021.11.025
apa: Munjal, A., Hannezo, E. B., Tsai, T. Y. C., Mitchison, T. J., & Megason,
S. G. (2021). Extracellular hyaluronate pressure shaped by cellular tethers drives
tissue morphogenesis. Cell. Elsevier ; Cell Press. https://doi.org/10.1016/j.cell.2021.11.025
chicago: Munjal, Akankshi, Edouard B Hannezo, Tony Y.C. Tsai, Timothy J. Mitchison,
and Sean G. Megason. “Extracellular Hyaluronate Pressure Shaped by Cellular Tethers
Drives Tissue Morphogenesis.” Cell. Elsevier ; Cell Press, 2021. https://doi.org/10.1016/j.cell.2021.11.025.
ieee: A. Munjal, E. B. Hannezo, T. Y. C. Tsai, T. J. Mitchison, and S. G. Megason,
“Extracellular hyaluronate pressure shaped by cellular tethers drives tissue morphogenesis,”
Cell, vol. 184, no. 26. Elsevier ; Cell Press, p. 6313–6325.e18, 2021.
ista: Munjal A, Hannezo EB, Tsai TYC, Mitchison TJ, Megason SG. 2021. Extracellular
hyaluronate pressure shaped by cellular tethers drives tissue morphogenesis. Cell.
184(26), 6313–6325.e18.
mla: Munjal, Akankshi, et al. “Extracellular Hyaluronate Pressure Shaped by Cellular
Tethers Drives Tissue Morphogenesis.” Cell, vol. 184, no. 26, Elsevier ;
Cell Press, 2021, p. 6313–6325.e18, doi:10.1016/j.cell.2021.11.025.
short: A. Munjal, E.B. Hannezo, T.Y.C. Tsai, T.J. Mitchison, S.G. Megason, Cell
184 (2021) 6313–6325.e18.
date_created: 2021-12-26T23:01:26Z
date_published: 2021-12-22T00:00:00Z
date_updated: 2023-08-17T06:28:25Z
day: '22'
department:
- _id: EdHa
doi: 10.1016/j.cell.2021.11.025
external_id:
isi:
- '000735387500002'
intvolume: ' 184'
isi: 1
issue: '26'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.biorxiv.org/content/10.1101/2020.09.28.316042
month: '12'
oa: 1
oa_version: Preprint
page: 6313-6325.e18
publication: Cell
publication_identifier:
eissn:
- 1097-4172
issn:
- 0092-8674
publication_status: published
publisher: Elsevier ; Cell Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Extracellular hyaluronate pressure shaped by cellular tethers drives tissue
morphogenesis
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 184
year: '2021'
...
---
_id: '10674'
abstract:
- lang: eng
text: 'In two-player games on graphs, the players move a token through a graph to
produce an infinite path, which determines the winner of the game. Such games
are central in formal methods since they model the interaction between a non-terminating
system and its environment. In bidding games the players bid for the right to
move the token: in each round, the players simultaneously submit bids, and the
higher bidder moves the token and pays the other player. Bidding games are known
to have a clean and elegant mathematical structure that relies on the ability
of the players to submit arbitrarily small bids. Many applications, however, require
a fixed granularity for the bids, which can represent, for example, the monetary
value expressed in cents. We study, for the first time, the combination of discrete-bidding
and infinite-duration games. Our most important result proves that these games
form a large determined subclass of concurrent games, where determinacy is the
strong property that there always exists exactly one player who can guarantee
winning the game. In particular, we show that, in contrast to non-discrete bidding
games, the mechanism with which tied bids are resolved plays an important role
in discrete-bidding games. We study several natural tie-breaking mechanisms and
show that, while some do not admit determinacy, most natural mechanisms imply
determinacy for every pair of initial budgets.'
acknowledgement: "This research was supported in part by the Austrian Science Fund
(FWF) under grants S11402-N23 (RiSE/SHiNE), Z211-N23 (Wittgenstein Award), and M
2369-N33 (Meitner fellowship).\r\n"
article_processing_charge: No
article_type: original
author:
- first_name: Milad
full_name: Aghajohari, Milad
last_name: Aghajohari
- first_name: Guy
full_name: Avni, Guy
id: 463C8BC2-F248-11E8-B48F-1D18A9856A87
last_name: Avni
orcid: 0000-0001-5588-8287
- first_name: Thomas A
full_name: Henzinger, Thomas A
id: 40876CD8-F248-11E8-B48F-1D18A9856A87
last_name: Henzinger
orcid: 0000-0002-2985-7724
citation:
ama: Aghajohari M, Avni G, Henzinger TA. Determinacy in discrete-bidding infinite-duration
games. Logical Methods in Computer Science. 2021;17(1):10:1-10:23. doi:10.23638/LMCS-17(1:10)2021
apa: Aghajohari, M., Avni, G., & Henzinger, T. A. (2021). Determinacy in discrete-bidding
infinite-duration games. Logical Methods in Computer Science. International
Federation for Computational Logic. https://doi.org/10.23638/LMCS-17(1:10)2021
chicago: Aghajohari, Milad, Guy Avni, and Thomas A Henzinger. “Determinacy in Discrete-Bidding
Infinite-Duration Games.” Logical Methods in Computer Science. International
Federation for Computational Logic, 2021. https://doi.org/10.23638/LMCS-17(1:10)2021.
ieee: M. Aghajohari, G. Avni, and T. A. Henzinger, “Determinacy in discrete-bidding
infinite-duration games,” Logical Methods in Computer Science, vol. 17,
no. 1. International Federation for Computational Logic, p. 10:1-10:23, 2021.
ista: Aghajohari M, Avni G, Henzinger TA. 2021. Determinacy in discrete-bidding
infinite-duration games. Logical Methods in Computer Science. 17(1), 10:1-10:23.
mla: Aghajohari, Milad, et al. “Determinacy in Discrete-Bidding Infinite-Duration
Games.” Logical Methods in Computer Science, vol. 17, no. 1, International
Federation for Computational Logic, 2021, p. 10:1-10:23, doi:10.23638/LMCS-17(1:10)2021.
short: M. Aghajohari, G. Avni, T.A. Henzinger, Logical Methods in Computer Science
17 (2021) 10:1-10:23.
date_created: 2022-01-25T16:32:13Z
date_published: 2021-02-03T00:00:00Z
date_updated: 2023-08-17T06:56:42Z
day: '03'
ddc:
- '510'
department:
- _id: ToHe
doi: 10.23638/LMCS-17(1:10)2021
external_id:
arxiv:
- '1905.03588'
isi:
- '000658724600010'
file:
- access_level: open_access
checksum: b35586a50ed1ca8f44767de116d18d81
content_type: application/pdf
creator: alisjak
date_created: 2022-01-26T08:04:50Z
date_updated: 2022-01-26T08:04:50Z
file_id: '10690'
file_name: 2021_LMCS_AGHAJOHAR.pdf
file_size: 819878
relation: main_file
success: 1
file_date_updated: 2022-01-26T08:04:50Z
has_accepted_license: '1'
intvolume: ' 17'
isi: 1
issue: '1'
keyword:
- computer science
- computer science and game theory
- logic in computer science
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
page: 10:1-10:23
project:
- _id: 264B3912-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: M02369
name: Formal Methods meets Algorithmic Game Theory
- _id: 25F2ACDE-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: S11402-N23
name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: Z211
name: The Wittgenstein Prize
publication: Logical Methods in Computer Science
publication_identifier:
eissn:
- 1860-5974
publication_status: published
publisher: International Federation for Computational Logic
quality_controlled: '1'
scopus_import: '1'
status: public
title: Determinacy in discrete-bidding infinite-duration games
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: 17
year: '2021'
...
---
_id: '10609'
abstract:
- lang: eng
text: "We study Multi-party computation (MPC) in the setting of subversion, where
the adversary tampers with the machines of honest parties. Our goal is to construct
actively secure MPC protocols where parties are corrupted adaptively by an adversary
(as in the standard adaptive security setting), and in addition, honest parties’
machines are compromised.\r\nThe idea of reverse firewalls (RF) was introduced
at EUROCRYPT’15 by Mironov and Stephens-Davidowitz as an approach to protecting
protocols against corruption of honest parties’ devices. Intuitively, an RF for
a party P is an external entity that sits between P and the outside world
and whose scope is to sanitize P ’s incoming and outgoing messages in the face
of subversion of their computer. Mironov and Stephens-Davidowitz constructed a
protocol for passively-secure two-party computation. At CRYPTO’20, Chakraborty,
Dziembowski and Nielsen constructed a protocol for secure computation with firewalls
that improved on this result, both by extending it to multi-party computation
protocol, and considering active security in the presence of static corruptions.
In this paper, we initiate the study of RF for MPC in the adaptive setting. We
put forward a definition for adaptively secure MPC in the reverse firewall setting,
explore relationships among the security notions, and then construct reverse firewalls
for MPC in this stronger setting of adaptive security. We also resolve the open
question of Chakraborty, Dziembowski and Nielsen by removing the need for a trusted
setup in constructing RF for MPC. Towards this end, we construct reverse firewalls
for adaptively secure augmented coin tossing and adaptively secure zero-knowledge
protocols and obtain a constant round adaptively secure MPC protocol in the reverse
firewall setting without setup. Along the way, we propose a new multi-party adaptively
secure coin tossing protocol in the plain model, that is of independent interest."
alternative_title:
- LNCS
article_processing_charge: No
author:
- first_name: Suvradip
full_name: Chakraborty, Suvradip
id: B9CD0494-D033-11E9-B219-A439E6697425
last_name: Chakraborty
- first_name: Chaya
full_name: Ganesh, Chaya
last_name: Ganesh
- first_name: Mahak
full_name: Pancholi, Mahak
last_name: Pancholi
- first_name: Pratik
full_name: Sarkar, Pratik
last_name: Sarkar
citation:
ama: 'Chakraborty S, Ganesh C, Pancholi M, Sarkar P. Reverse firewalls for adaptively
secure MPC without setup. In: 27th International Conference on the Theory and
Application of Cryptology and Information Security. Vol 13091. Springer Nature;
2021:335-364. doi:10.1007/978-3-030-92075-3_12'
apa: 'Chakraborty, S., Ganesh, C., Pancholi, M., & Sarkar, P. (2021). Reverse
firewalls for adaptively secure MPC without setup. In 27th International Conference
on the Theory and Application of Cryptology and Information Security (Vol.
13091, pp. 335–364). Virtual, Singapore: Springer Nature. https://doi.org/10.1007/978-3-030-92075-3_12'
chicago: Chakraborty, Suvradip, Chaya Ganesh, Mahak Pancholi, and Pratik Sarkar.
“Reverse Firewalls for Adaptively Secure MPC without Setup.” In 27th International
Conference on the Theory and Application of Cryptology and Information Security,
13091:335–64. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-92075-3_12.
ieee: S. Chakraborty, C. Ganesh, M. Pancholi, and P. Sarkar, “Reverse firewalls
for adaptively secure MPC without setup,” in 27th International Conference
on the Theory and Application of Cryptology and Information Security, Virtual,
Singapore, 2021, vol. 13091, pp. 335–364.
ista: 'Chakraborty S, Ganesh C, Pancholi M, Sarkar P. 2021. Reverse firewalls for
adaptively secure MPC without setup. 27th International Conference on the Theory
and Application of Cryptology and Information Security. ASIACRYPT: International
Conference on Cryptology in Asia, LNCS, vol. 13091, 335–364.'
mla: Chakraborty, Suvradip, et al. “Reverse Firewalls for Adaptively Secure MPC
without Setup.” 27th International Conference on the Theory and Application
of Cryptology and Information Security, vol. 13091, Springer Nature, 2021,
pp. 335–64, doi:10.1007/978-3-030-92075-3_12.
short: S. Chakraborty, C. Ganesh, M. Pancholi, P. Sarkar, in:, 27th International
Conference on the Theory and Application of Cryptology and Information Security,
Springer Nature, 2021, pp. 335–364.
conference:
end_date: 2021-12-10
location: Virtual, Singapore
name: 'ASIACRYPT: International Conference on Cryptology in Asia'
start_date: 2021-12-06
date_created: 2022-01-09T23:01:27Z
date_published: 2021-12-01T00:00:00Z
date_updated: 2023-08-17T06:34:41Z
day: '01'
department:
- _id: KrPi
doi: 10.1007/978-3-030-92075-3_12
ec_funded: 1
external_id:
isi:
- '000927876200012'
intvolume: ' 13091'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://eprint.iacr.org/2021/1262
month: '12'
oa: 1
oa_version: Preprint
page: 335-364
project:
- _id: 258AA5B2-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '682815'
name: Teaching Old Crypto New Tricks
publication: 27th International Conference on the Theory and Application of Cryptology
and Information Security
publication_identifier:
eisbn:
- 978-3-030-92075-3
eissn:
- 1611-3349
isbn:
- 978-3-030-92074-6
issn:
- 0302-9743
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
scopus_import: '1'
status: public
title: Reverse firewalls for adaptively secure MPC without setup
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 13091
year: '2021'
...
---
_id: '10606'
abstract:
- lang: eng
text: Cell division orientation is thought to result from a competition between
cell geometry and polarity domains controlling the position of the mitotic spindle
during mitosis. Depending on the level of cell shape anisotropy or the strength
of the polarity domain, one dominates the other and determines the orientation
of the spindle. Whether and how such competition is also at work to determine
unequal cell division (UCD), producing daughter cells of different size, remains
unclear. Here, we show that cell geometry and polarity domains cooperate, rather
than compete, in positioning the cleavage plane during UCDs in early ascidian
embryos. We found that the UCDs and their orientation at the ascidian third cleavage
rely on the spindle tilting in an anisotropic cell shape, and cortical polarity
domains exerting different effects on spindle astral microtubules. By systematically
varying mitotic cell shape, we could modulate the effect of attractive and repulsive
polarity domains and consequently generate predicted daughter cell size asymmetries
and position. We therefore propose that the spindle position during UCD is set
by the combined activities of cell geometry and polarity domains, where cell geometry
modulates the effect of cortical polarity domain(s).
acknowledged_ssus:
- _id: NanoFab
- _id: Bio
acknowledgement: 'We thank members of the Heisenberg and McDougall groups for technical
advice and discussion. We are grateful to the Bioimaging and Nanofabrication facilities
of IST Austria and the Imaging Platform (PIM) and animal facility (CRB) of Institut
de la Mer de Villefranche (IMEV), which is supported by EMBRC-France, whose French
state funds are managed by the ANR within the Investments of the Future program
under reference ANR-10-INBS-0, for continuous support. This work was supported by
a collaborative grant from the French Government funding agency Agence National
de la Recherche to McDougall (ANR ''MorCell'': ANR-17-CE 13-0028) and the Austrian
Science Fund to Heisenberg (FWF: I 3601-B27).'
article_number: e75639
article_processing_charge: No
article_type: original
author:
- first_name: Benoit G
full_name: Godard, Benoit G
id: 33280250-F248-11E8-B48F-1D18A9856A87
last_name: Godard
- first_name: Remi
full_name: Dumollard, Remi
last_name: Dumollard
- first_name: Carl-Philipp J
full_name: Heisenberg, Carl-Philipp J
id: 39427864-F248-11E8-B48F-1D18A9856A87
last_name: Heisenberg
orcid: 0000-0002-0912-4566
- first_name: Alex
full_name: Mcdougall, Alex
last_name: Mcdougall
citation:
ama: Godard BG, Dumollard R, Heisenberg C-PJ, Mcdougall A. Combined effect of cell
geometry and polarity domains determines the orientation of unequal division.
eLife. 2021;10. doi:10.7554/eLife.75639
apa: Godard, B. G., Dumollard, R., Heisenberg, C.-P. J., & Mcdougall, A. (2021).
Combined effect of cell geometry and polarity domains determines the orientation
of unequal division. ELife. eLife Sciences Publications. https://doi.org/10.7554/eLife.75639
chicago: Godard, Benoit G, Remi Dumollard, Carl-Philipp J Heisenberg, and Alex Mcdougall.
“Combined Effect of Cell Geometry and Polarity Domains Determines the Orientation
of Unequal Division.” ELife. eLife Sciences Publications, 2021. https://doi.org/10.7554/eLife.75639.
ieee: B. G. Godard, R. Dumollard, C.-P. J. Heisenberg, and A. Mcdougall, “Combined
effect of cell geometry and polarity domains determines the orientation of unequal
division,” eLife, vol. 10. eLife Sciences Publications, 2021.
ista: Godard BG, Dumollard R, Heisenberg C-PJ, Mcdougall A. 2021. Combined effect
of cell geometry and polarity domains determines the orientation of unequal division.
eLife. 10, e75639.
mla: Godard, Benoit G., et al. “Combined Effect of Cell Geometry and Polarity Domains
Determines the Orientation of Unequal Division.” ELife, vol. 10, e75639,
eLife Sciences Publications, 2021, doi:10.7554/eLife.75639.
short: B.G. Godard, R. Dumollard, C.-P.J. Heisenberg, A. Mcdougall, ELife 10 (2021).
date_created: 2022-01-09T23:01:26Z
date_published: 2021-12-21T00:00:00Z
date_updated: 2023-08-17T06:32:44Z
day: '21'
ddc:
- '570'
department:
- _id: CaHe
doi: 10.7554/eLife.75639
external_id:
isi:
- '000733610100001'
file:
- access_level: open_access
checksum: 759c7a873d554c48a6639e6350746ca6
content_type: application/pdf
creator: alisjak
date_created: 2022-01-10T09:40:37Z
date_updated: 2022-01-10T09:40:37Z
file_id: '10611'
file_name: 2021_eLife_Godard.pdf
file_size: 7769934
relation: main_file
success: 1
file_date_updated: 2022-01-10T09:40:37Z
has_accepted_license: '1'
intvolume: ' 10'
isi: 1
language:
- iso: eng
month: '12'
oa: 1
oa_version: Published Version
project:
- _id: 2646861A-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: I03601
name: Control of embryonic cleavage pattern
publication: eLife
publication_identifier:
eissn:
- 2050-084X
publication_status: published
publisher: eLife Sciences Publications
quality_controlled: '1'
scopus_import: '1'
status: public
title: Combined effect of cell geometry and polarity domains determines the orientation
of unequal division
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: 10
year: '2021'
...
---
_id: '10607'
abstract:
- lang: eng
text: The evidence linking innate immunity mechanisms and neurodegenerative diseases
is growing, but the specific mechanisms are incompletely understood. Experimental
data suggest that microglial TLR4 mediates the uptake and clearance of α-synuclein
also termed synucleinophagy. The accumulation of misfolded α-synuclein throughout
the brain is central to Parkinson's disease (PD). The distribution and progression
of the pathology is often attributed to the propagation of α-synuclein. Here,
we apply a classical α-synuclein propagation model of prodromal PD in wild type
and TLR4 deficient mice to study the role of TLR4 in the progression of the disease.
Our data suggest that TLR4 deficiency facilitates the α-synuclein seed spreading
associated with reduced lysosomal activity of microglia. Three months after seed
inoculation, more pronounced proteinase K-resistant α-synuclein inclusion pathology
is observed in mice with TLR4 deficiency. The facilitated propagation of α-synuclein
is associated with early loss of dopamine transporter (DAT) signal in the striatum
and loss of dopaminergic neurons in substantia nigra pars compacta of TLR4 deficient
mice. These new results support TLR4 signaling as a putative target for disease
modification to slow the progression of PD and related disorders.
acknowledgement: This study was supported by grants of the Austrian Science Fund (FWF)
F4414 and W1206-08. Electron microscopy was performed at the Scientific Service
Units (SSU) of IST-Austria through resources provided by the Electron Microscopy
Facility.
article_processing_charge: No
article_type: original
author:
- first_name: Serena
full_name: Venezia, Serena
last_name: Venezia
- first_name: Walter
full_name: Kaufmann, Walter
id: 3F99E422-F248-11E8-B48F-1D18A9856A87
last_name: Kaufmann
orcid: 0000-0001-9735-5315
- first_name: Gregor K.
full_name: Wenning, Gregor K.
last_name: Wenning
- first_name: Nadia
full_name: Stefanova, Nadia
last_name: Stefanova
citation:
ama: Venezia S, Kaufmann W, Wenning GK, Stefanova N. Toll-like receptor 4 deficiency
facilitates α-synuclein propagation and neurodegeneration in a mouse model of
prodromal Parkinson’s disease. Parkinsonism & Related Disorders. 2021;91:59-65.
doi:10.1016/j.parkreldis.2021.09.007
apa: Venezia, S., Kaufmann, W., Wenning, G. K., & Stefanova, N. (2021). Toll-like
receptor 4 deficiency facilitates α-synuclein propagation and neurodegeneration
in a mouse model of prodromal Parkinson’s disease. Parkinsonism & Related
Disorders. Elsevier. https://doi.org/10.1016/j.parkreldis.2021.09.007
chicago: Venezia, Serena, Walter Kaufmann, Gregor K. Wenning, and Nadia Stefanova.
“Toll-like Receptor 4 Deficiency Facilitates α-Synuclein Propagation and Neurodegeneration
in a Mouse Model of Prodromal Parkinson’s Disease.” Parkinsonism & Related
Disorders. Elsevier, 2021. https://doi.org/10.1016/j.parkreldis.2021.09.007.
ieee: S. Venezia, W. Kaufmann, G. K. Wenning, and N. Stefanova, “Toll-like receptor
4 deficiency facilitates α-synuclein propagation and neurodegeneration in a mouse
model of prodromal Parkinson’s disease,” Parkinsonism & Related Disorders,
vol. 91. Elsevier, pp. 59–65, 2021.
ista: Venezia S, Kaufmann W, Wenning GK, Stefanova N. 2021. Toll-like receptor 4
deficiency facilitates α-synuclein propagation and neurodegeneration in a mouse
model of prodromal Parkinson’s disease. Parkinsonism & Related Disorders.
91, 59–65.
mla: Venezia, Serena, et al. “Toll-like Receptor 4 Deficiency Facilitates α-Synuclein
Propagation and Neurodegeneration in a Mouse Model of Prodromal Parkinson’s Disease.”
Parkinsonism & Related Disorders, vol. 91, Elsevier, 2021, pp. 59–65,
doi:10.1016/j.parkreldis.2021.09.007.
short: S. Venezia, W. Kaufmann, G.K. Wenning, N. Stefanova, Parkinsonism & Related
Disorders 91 (2021) 59–65.
date_created: 2022-01-09T23:01:26Z
date_published: 2021-10-01T00:00:00Z
date_updated: 2023-08-17T06:36:01Z
day: '01'
ddc:
- '610'
department:
- _id: EM-Fac
doi: 10.1016/j.parkreldis.2021.09.007
external_id:
isi:
- '000701142900012'
pmid:
- '34530328'
file:
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checksum: 360681585acb51e80d17c6b213c56b55
content_type: application/pdf
creator: alisjak
date_created: 2022-01-10T13:41:40Z
date_updated: 2022-01-10T13:41:40Z
file_id: '10612'
file_name: 2021_Parkinsonism_Venezia.pdf
file_size: 6848513
relation: main_file
success: 1
file_date_updated: 2022-01-10T13:41:40Z
has_accepted_license: '1'
intvolume: ' 91'
isi: 1
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
page: 59-65
pmid: 1
publication: Parkinsonism & Related Disorders
publication_identifier:
eissn:
- 1873-5126
issn:
- 1353-8020
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Toll-like receptor 4 deficiency facilitates α-synuclein propagation and neurodegeneration
in a mouse model of prodromal Parkinson's disease
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: 91
year: '2021'
...
---
_id: '10628'
abstract:
- lang: eng
text: The surface states of 3D topological insulators in general have negligible
quantum oscillations (QOs) when the chemical potential is tuned to the Dirac points.
In contrast, we find that topological Kondo insulators (TKIs) can support surface
states with an arbitrarily large Fermi surface (FS) when the chemical potential
is pinned to the Dirac point. We illustrate that these FSs give rise to finite-frequency
QOs, which can become comparable to the extremal area of the unhybridized bulk
bands. We show that this occurs when the crystal symmetry is lowered from cubic
to tetragonal in a minimal two-orbital model. We label such surface modes as 'shadow
surface states'. Moreover, we show that the sufficient next-nearest neighbor out-of-plane
hybridization leading to shadow surface states can be self-consistently stabilized
for tetragonal TKIs. Consequently, shadow surface states provide an important
example of high-frequency QOs beyond the context of cubic TKIs.
acknowledgement: PG acknowledges support from National Science Foundation Awards No.
DMR-1824265 for this work. AG acknowledges support from the European Union's Horizon
2020 research and innovation program under the Marie Skłodowska-Curie Grant Agreement
No. 754411. EMN is supported by ASU startup grant. OE is in part supported by NSF-DMR-1904716.
article_number: '123042'
article_processing_charge: No
article_type: original
author:
- first_name: Areg
full_name: Ghazaryan, Areg
id: 4AF46FD6-F248-11E8-B48F-1D18A9856A87
last_name: Ghazaryan
orcid: 0000-0001-9666-3543
- first_name: Emilian M.
full_name: Nica, Emilian M.
last_name: Nica
- first_name: Onur
full_name: Erten, Onur
last_name: Erten
- first_name: Pouyan
full_name: Ghaemi, Pouyan
last_name: Ghaemi
citation:
ama: Ghazaryan A, Nica EM, Erten O, Ghaemi P. Shadow surface states in topological
Kondo insulators. New Journal of Physics. 2021;23(12). doi:10.1088/1367-2630/ac4124
apa: Ghazaryan, A., Nica, E. M., Erten, O., & Ghaemi, P. (2021). Shadow surface
states in topological Kondo insulators. New Journal of Physics. IOP Publishing.
https://doi.org/10.1088/1367-2630/ac4124
chicago: Ghazaryan, Areg, Emilian M. Nica, Onur Erten, and Pouyan Ghaemi. “Shadow
Surface States in Topological Kondo Insulators.” New Journal of Physics.
IOP Publishing, 2021. https://doi.org/10.1088/1367-2630/ac4124.
ieee: A. Ghazaryan, E. M. Nica, O. Erten, and P. Ghaemi, “Shadow surface states
in topological Kondo insulators,” New Journal of Physics, vol. 23, no.
12. IOP Publishing, 2021.
ista: Ghazaryan A, Nica EM, Erten O, Ghaemi P. 2021. Shadow surface states in topological
Kondo insulators. New Journal of Physics. 23(12), 123042.
mla: Ghazaryan, Areg, et al. “Shadow Surface States in Topological Kondo Insulators.”
New Journal of Physics, vol. 23, no. 12, 123042, IOP Publishing, 2021,
doi:10.1088/1367-2630/ac4124.
short: A. Ghazaryan, E.M. Nica, O. Erten, P. Ghaemi, New Journal of Physics 23 (2021).
date_created: 2022-01-16T23:01:28Z
date_published: 2021-12-23T00:00:00Z
date_updated: 2023-08-17T06:54:54Z
day: '23'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1088/1367-2630/ac4124
ec_funded: 1
external_id:
arxiv:
- '2012.11625'
isi:
- '000734063700001'
file:
- access_level: open_access
checksum: 0c3cb6816242fa8afd1cc87a5fe77821
content_type: application/pdf
creator: cchlebak
date_created: 2022-01-17T10:01:58Z
date_updated: 2022-01-17T10:01:58Z
file_id: '10632'
file_name: 2021_NewJourPhys_Ghazaryan.pdf
file_size: 2533102
relation: main_file
success: 1
file_date_updated: 2022-01-17T10:01:58Z
has_accepted_license: '1'
intvolume: ' 23'
isi: 1
issue: '12'
language:
- iso: eng
month: '12'
oa: 1
oa_version: Published Version
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: New Journal of Physics
publication_identifier:
issn:
- 1367-2630
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: Shadow surface states in topological Kondo insulators
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: 23
year: '2021'
...
---
_id: '10631'
abstract:
- lang: eng
text: We combine experimental and theoretical approaches to explore excited rotational
states of molecules embedded in helium nanodroplets using CS2 and I2 as examples.
Laser-induced nonadiabatic molecular alignment is employed to measure spectral
lines for rotational states extending beyond those initially populated at the
0.37 K droplet temperature. We construct a simple quantum-mechanical model, based
on a linear rotor coupled to a single-mode bosonic bath, to determine the rotational
energy structure in its entirety. The calculated and measured spectral lines are
in good agreement. We show that the effect of the surrounding superfluid on molecular
rotation can be rationalized by a single quantity, the angular momentum, transferred
from the molecule to the droplet.
acknowledgement: I.C. acknowledges the support by the European Union’s Horizon 2020
research and innovation programme under the Marie Sklodowska-Curie Grant Agreement
No. 665385. G.B. acknowledges support from the Austrian Science Fund (FWF), under
project No. M2461-N27. M.L. acknowledges support by the Austrian Science Fund (FWF),
under project No. P29902-N27, and by the European Research Council (ERC) Starting
Grant No. 801770 (ANGULON). H.S acknowledges support from the European Research
Council-AdG (Project No. 320459, DropletControl) and from The Villum Foundation
through a Villum Investigator grant no. 25886.
article_number: L061303
article_processing_charge: No
article_type: original
author:
- first_name: Igor
full_name: Cherepanov, Igor
id: 339C7E5A-F248-11E8-B48F-1D18A9856A87
last_name: Cherepanov
- first_name: Giacomo
full_name: Bighin, Giacomo
id: 4CA96FD4-F248-11E8-B48F-1D18A9856A87
last_name: Bighin
orcid: 0000-0001-8823-9777
- first_name: Constant A.
full_name: Schouder, Constant A.
last_name: Schouder
- first_name: Adam S.
full_name: Chatterley, Adam S.
last_name: Chatterley
- first_name: Simon H.
full_name: Albrechtsen, Simon H.
last_name: Albrechtsen
- first_name: Alberto Viñas
full_name: Muñoz, Alberto Viñas
last_name: Muñoz
- first_name: Lars
full_name: Christiansen, Lars
last_name: Christiansen
- first_name: Henrik
full_name: Stapelfeldt, Henrik
last_name: Stapelfeldt
- first_name: Mikhail
full_name: Lemeshko, Mikhail
id: 37CB05FA-F248-11E8-B48F-1D18A9856A87
last_name: Lemeshko
orcid: 0000-0002-6990-7802
citation:
ama: Cherepanov I, Bighin G, Schouder CA, et al. Excited rotational states of molecules
in a superfluid. Physical Review A. 2021;104(6). doi:10.1103/PhysRevA.104.L061303
apa: Cherepanov, I., Bighin, G., Schouder, C. A., Chatterley, A. S., Albrechtsen,
S. H., Muñoz, A. V., … Lemeshko, M. (2021). Excited rotational states of molecules
in a superfluid. Physical Review A. American Physical Society. https://doi.org/10.1103/PhysRevA.104.L061303
chicago: Cherepanov, Igor, Giacomo Bighin, Constant A. Schouder, Adam S. Chatterley,
Simon H. Albrechtsen, Alberto Viñas Muñoz, Lars Christiansen, Henrik Stapelfeldt,
and Mikhail Lemeshko. “Excited Rotational States of Molecules in a Superfluid.”
Physical Review A. American Physical Society, 2021. https://doi.org/10.1103/PhysRevA.104.L061303.
ieee: I. Cherepanov et al., “Excited rotational states of molecules in a
superfluid,” Physical Review A, vol. 104, no. 6. American Physical Society,
2021.
ista: Cherepanov I, Bighin G, Schouder CA, Chatterley AS, Albrechtsen SH, Muñoz
AV, Christiansen L, Stapelfeldt H, Lemeshko M. 2021. Excited rotational states
of molecules in a superfluid. Physical Review A. 104(6), L061303.
mla: Cherepanov, Igor, et al. “Excited Rotational States of Molecules in a Superfluid.”
Physical Review A, vol. 104, no. 6, L061303, American Physical Society,
2021, doi:10.1103/PhysRevA.104.L061303.
short: I. Cherepanov, G. Bighin, C.A. Schouder, A.S. Chatterley, S.H. Albrechtsen,
A.V. Muñoz, L. Christiansen, H. Stapelfeldt, M. Lemeshko, Physical Review A 104
(2021).
date_created: 2022-01-16T23:01:29Z
date_published: 2021-12-30T00:00:00Z
date_updated: 2023-08-17T06:52:17Z
day: '30'
department:
- _id: MiLe
doi: 10.1103/PhysRevA.104.L061303
ec_funded: 1
external_id:
arxiv:
- '2107.00468'
isi:
- '000739618300001'
intvolume: ' 104'
isi: 1
issue: '6'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://128.84.4.18/abs/2107.00468
month: '12'
oa: 1
oa_version: Preprint
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'
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 26986C82-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: M02641
name: A path-integral approach to composite impurities
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: Excited rotational states of molecules in a superfluid
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 104
year: '2021'
...
---
_id: '10597'
abstract:
- lang: eng
text: We thank Emmanuel Abbe and Min Ye for providing us the implementation of RPA
decoding. D. Fathollahi and M. Mondelli are partially supported by the 2019 Lopez-Loreta
Prize. N. Farsad is supported by Discovery Grant from the Natural Sciences and
Engineering Research Council of Canada (NSERC) and Canada Foundation for Innovation
(CFI), John R. Evans Leader Fund. S. A. Hashemi is supported by a Postdoctoral
Fellowship from NSERC.
article_processing_charge: No
author:
- first_name: Dorsa
full_name: Fathollahi, Dorsa
last_name: Fathollahi
- first_name: Nariman
full_name: Farsad, Nariman
last_name: Farsad
- first_name: Seyyed Ali
full_name: Hashemi, Seyyed Ali
last_name: Hashemi
- first_name: Marco
full_name: Mondelli, Marco
id: 27EB676C-8706-11E9-9510-7717E6697425
last_name: Mondelli
orcid: 0000-0002-3242-7020
citation:
ama: 'Fathollahi D, Farsad N, Hashemi SA, Mondelli M. Sparse multi-decoder recursive
projection aggregation for Reed-Muller codes. In: 2021 IEEE International Symposium
on Information Theory. Institute of Electrical and Electronics Engineers;
2021:1082-1087. doi:10.1109/isit45174.2021.9517887'
apa: 'Fathollahi, D., Farsad, N., Hashemi, S. A., & Mondelli, M. (2021). Sparse
multi-decoder recursive projection aggregation for Reed-Muller codes. In 2021
IEEE International Symposium on Information Theory (pp. 1082–1087). Virtual,
Melbourne, Australia: Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/isit45174.2021.9517887'
chicago: Fathollahi, Dorsa, Nariman Farsad, Seyyed Ali Hashemi, and Marco Mondelli.
“Sparse Multi-Decoder Recursive Projection Aggregation for Reed-Muller Codes.”
In 2021 IEEE International Symposium on Information Theory, 1082–87. Institute
of Electrical and Electronics Engineers, 2021. https://doi.org/10.1109/isit45174.2021.9517887.
ieee: D. Fathollahi, N. Farsad, S. A. Hashemi, and M. Mondelli, “Sparse multi-decoder
recursive projection aggregation for Reed-Muller codes,” in 2021 IEEE International
Symposium on Information Theory, Virtual, Melbourne, Australia, 2021, pp.
1082–1087.
ista: 'Fathollahi D, Farsad N, Hashemi SA, Mondelli M. 2021. Sparse multi-decoder
recursive projection aggregation for Reed-Muller codes. 2021 IEEE International
Symposium on Information Theory. ISIT: International Symposium on Information
Theory, 1082–1087.'
mla: Fathollahi, Dorsa, et al. “Sparse Multi-Decoder Recursive Projection Aggregation
for Reed-Muller Codes.” 2021 IEEE International Symposium on Information Theory,
Institute of Electrical and Electronics Engineers, 2021, pp. 1082–87, doi:10.1109/isit45174.2021.9517887.
short: D. Fathollahi, N. Farsad, S.A. Hashemi, M. Mondelli, in:, 2021 IEEE International
Symposium on Information Theory, Institute of Electrical and Electronics Engineers,
2021, pp. 1082–1087.
conference:
end_date: 2021-07-20
location: Virtual, Melbourne, Australia
name: 'ISIT: International Symposium on Information Theory'
start_date: 2021-07-12
date_created: 2022-01-03T11:31:26Z
date_published: 2021-09-01T00:00:00Z
date_updated: 2023-08-17T06:32:06Z
day: '01'
department:
- _id: MaMo
doi: 10.1109/isit45174.2021.9517887
external_id:
arxiv:
- '2011.12882'
isi:
- '000701502201029'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2011.12882
month: '09'
oa: 1
oa_version: Preprint
page: 1082-1087
project:
- _id: 059876FA-7A3F-11EA-A408-12923DDC885E
name: Prix Lopez-Loretta 2019 - Marco Mondelli
publication: 2021 IEEE International Symposium on Information Theory
publication_identifier:
eisbn:
- 978-1-5386-8209-8
isbn:
- 978-1-5386-8210-4
publication_status: published
publisher: Institute of Electrical and Electronics Engineers
quality_controlled: '1'
scopus_import: '1'
status: public
title: Sparse multi-decoder recursive projection aggregation for Reed-Muller codes
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '10666'
abstract:
- lang: eng
text: Adversarial training is an effective method to train deep learning models
that are resilient to norm-bounded perturbations, with the cost of nominal performance
drop. While adversarial training appears to enhance the robustness and safety
of a deep model deployed in open-world decision-critical applications, counterintuitively,
it induces undesired behaviors in robot learning settings. In this paper, we show
theoretically and experimentally that neural controllers obtained via adversarial
training are subjected to three types of defects, namely transient, systematic,
and conditional errors. We first generalize adversarial training to a safety-domain
optimization scheme allowing for more generic specifications. We then prove that
such a learning process tends to cause certain error profiles. We support our
theoretical results by a thorough experimental safety analysis in a robot-learning
task. Our results suggest that adversarial training is not yet ready for robot
learning.
acknowledgement: M.L. and T.A.H. are supported in part by the Austrian Science Fund
(FWF) under grant Z211-N23 (Wittgenstein Award). R.H. and D.R. are supported by
Boeing and R.G. by Horizon-2020 ECSEL Project grant no. 783163 (iDev40).
article_processing_charge: No
author:
- first_name: Mathias
full_name: Lechner, Mathias
id: 3DC22916-F248-11E8-B48F-1D18A9856A87
last_name: Lechner
- first_name: Ramin
full_name: Hasani, Ramin
last_name: Hasani
- first_name: Radu
full_name: Grosu, Radu
last_name: Grosu
- first_name: Daniela
full_name: Rus, Daniela
last_name: Rus
- first_name: Thomas A
full_name: Henzinger, Thomas A
id: 40876CD8-F248-11E8-B48F-1D18A9856A87
last_name: Henzinger
orcid: 0000-0002-2985-7724
citation:
ama: 'Lechner M, Hasani R, Grosu R, Rus D, Henzinger TA. Adversarial training is
not ready for robot learning. In: 2021 IEEE International Conference on Robotics
and Automation. ICRA. ; 2021:4140-4147. doi:10.1109/ICRA48506.2021.9561036'
apa: Lechner, M., Hasani, R., Grosu, R., Rus, D., & Henzinger, T. A. (2021).
Adversarial training is not ready for robot learning. In 2021 IEEE International
Conference on Robotics and Automation (pp. 4140–4147). Xi’an, China. https://doi.org/10.1109/ICRA48506.2021.9561036
chicago: Lechner, Mathias, Ramin Hasani, Radu Grosu, Daniela Rus, and Thomas A Henzinger.
“Adversarial Training Is Not Ready for Robot Learning.” In 2021 IEEE International
Conference on Robotics and Automation, 4140–47. ICRA, 2021. https://doi.org/10.1109/ICRA48506.2021.9561036.
ieee: M. Lechner, R. Hasani, R. Grosu, D. Rus, and T. A. Henzinger, “Adversarial
training is not ready for robot learning,” in 2021 IEEE International Conference
on Robotics and Automation, Xi’an, China, 2021, pp. 4140–4147.
ista: 'Lechner M, Hasani R, Grosu R, Rus D, Henzinger TA. 2021. Adversarial training
is not ready for robot learning. 2021 IEEE International Conference on Robotics
and Automation. ICRA: International Conference on Robotics and AutomationICRA,
4140–4147.'
mla: Lechner, Mathias, et al. “Adversarial Training Is Not Ready for Robot Learning.”
2021 IEEE International Conference on Robotics and Automation, 2021, pp.
4140–47, doi:10.1109/ICRA48506.2021.9561036.
short: M. Lechner, R. Hasani, R. Grosu, D. Rus, T.A. Henzinger, in:, 2021 IEEE International
Conference on Robotics and Automation, 2021, pp. 4140–4147.
conference:
end_date: 2021-06-05
location: Xi'an, China
name: 'ICRA: International Conference on Robotics and Automation'
start_date: 2021-05-30
date_created: 2022-01-25T15:44:54Z
date_published: 2021-01-01T00:00:00Z
date_updated: 2023-08-17T06:58:38Z
ddc:
- '000'
department:
- _id: GradSch
- _id: ToHe
doi: 10.1109/ICRA48506.2021.9561036
external_id:
arxiv:
- '2103.08187'
isi:
- '000765738803040'
has_accepted_license: '1'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/3.0/
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2103.08187
oa: 1
oa_version: None
page: 4140-4147
project:
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: Z211
name: The Wittgenstein Prize
publication: 2021 IEEE International Conference on Robotics and Automation
publication_identifier:
eisbn:
- 978-1-7281-9077-8
eissn:
- 2577-087X
isbn:
- 978-1-7281-9078-5
issn:
- 1050-4729
publication_status: published
quality_controlled: '1'
related_material:
record:
- id: '11362'
relation: dissertation_contains
status: public
series_title: ICRA
status: public
title: Adversarial training is not ready for robot learning
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/3.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND
3.0)
short: CC BY-NC-ND (3.0)
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '10711'
abstract:
- lang: eng
text: In this paper, we investigate the distribution of the maximum of partial sums
of families of m -periodic complex-valued functions satisfying certain conditions.
We obtain precise uniform estimates for the distribution function of this maximum
in a near-optimal range. Our results apply to partial sums of Kloosterman sums
and other families of ℓ -adic trace functions, and are as strong as those obtained
by Bober, Goldmakher, Granville and Koukoulopoulos for character sums. In particular,
we improve on the recent work of the third author for Birch sums. However, unlike
character sums, we are able to construct families of m -periodic complex-valued
functions which satisfy our conditions, but for which the Pólya–Vinogradov inequality
is sharp.
acknowledgement: We would like to thank the anonymous referees for carefully reading
the paper and for their remarks and suggestions.
article_processing_charge: No
article_type: original
author:
- first_name: Pascal
full_name: Autissier, Pascal
last_name: Autissier
- first_name: Dante
full_name: Bonolis, Dante
id: 6A459894-5FDD-11E9-AF35-BB24E6697425
last_name: Bonolis
- first_name: Youness
full_name: Lamzouri, Youness
last_name: Lamzouri
citation:
ama: Autissier P, Bonolis D, Lamzouri Y. The distribution of the maximum of partial
sums of Kloosterman sums and other trace functions. Compositio Mathematica.
2021;157(7):1610-1651. doi:10.1112/s0010437x21007351
apa: Autissier, P., Bonolis, D., & Lamzouri, Y. (2021). The distribution of
the maximum of partial sums of Kloosterman sums and other trace functions. Compositio
Mathematica. Cambridge University Press. https://doi.org/10.1112/s0010437x21007351
chicago: Autissier, Pascal, Dante Bonolis, and Youness Lamzouri. “The Distribution
of the Maximum of Partial Sums of Kloosterman Sums and Other Trace Functions.”
Compositio Mathematica. Cambridge University Press, 2021. https://doi.org/10.1112/s0010437x21007351.
ieee: P. Autissier, D. Bonolis, and Y. Lamzouri, “The distribution of the maximum
of partial sums of Kloosterman sums and other trace functions,” Compositio
Mathematica, vol. 157, no. 7. Cambridge University Press, pp. 1610–1651, 2021.
ista: Autissier P, Bonolis D, Lamzouri Y. 2021. The distribution of the maximum
of partial sums of Kloosterman sums and other trace functions. Compositio Mathematica.
157(7), 1610–1651.
mla: Autissier, Pascal, et al. “The Distribution of the Maximum of Partial Sums
of Kloosterman Sums and Other Trace Functions.” Compositio Mathematica,
vol. 157, no. 7, Cambridge University Press, 2021, pp. 1610–51, doi:10.1112/s0010437x21007351.
short: P. Autissier, D. Bonolis, Y. Lamzouri, Compositio Mathematica 157 (2021)
1610–1651.
date_created: 2022-02-01T08:10:43Z
date_published: 2021-06-28T00:00:00Z
date_updated: 2023-08-17T06:59:16Z
day: '28'
department:
- _id: TiBr
doi: 10.1112/s0010437x21007351
external_id:
arxiv:
- '1909.03266'
isi:
- '000667289300001'
intvolume: ' 157'
isi: 1
issue: '7'
keyword:
- Algebra and Number Theory
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/1909.03266
month: '06'
oa: 1
oa_version: Preprint
page: 1610-1651
publication: Compositio Mathematica
publication_identifier:
eissn:
- 1570-5846
issn:
- 0010-437X
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
status: public
title: The distribution of the maximum of partial sums of Kloosterman sums and other
trace functions
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 157
year: '2021'
...
---
_id: '10858'
abstract:
- lang: eng
text: The cost-effective conversion of low-grade heat into electricity using thermoelectric
devices requires developing alternative materials and material processing technologies
able to reduce the currently high device manufacturing costs. In this direction,
thermoelectric materials that do not rely on rare or toxic elements such as tellurium
or lead need to be produced using high-throughput technologies not involving high
temperatures and long processes. Bi2Se3 is an obvious possible Te-free alternative
to Bi2Te3 for ambient temperature thermoelectric applications, but its performance
is still low for practical applications, and additional efforts toward finding
proper dopants are required. Here, we report a scalable method to produce Bi2Se3
nanosheets at low synthesis temperatures. We studied the influence of different
dopants on the thermoelectric properties of this material. Among the elements
tested, we demonstrated that Sn doping resulted in the best performance. Sn incorporation
resulted in a significant improvement to the Bi2Se3 Seebeck coefficient and a
reduction in the thermal conductivity in the direction of the hot-press axis,
resulting in an overall 60% improvement in the thermoelectric figure of merit
of Bi2Se3.
acknowledgement: "M.L., Y.Z., T.Z. and K.X. thank the China Scholarship Council for
their scholarship\r\nsupport. Y.L. acknowledges funding from the European Union’s
Horizon 2020 research and\r\ninnovation program under the Marie Sklodowska-Curie
grant agreement No. 754411. J.L. thanks the ICREA Academia program and projects
MICINN/FEDER RTI2018-093996-B-C31 and G.C. 2017 SGR 128. ICN2 acknowledges funding
from the Generalitat de Catalunya 2017 SGR 327 and the Spanish MINECO ENE2017-85087-C3."
article_number: '1827'
article_processing_charge: No
article_type: original
author:
- first_name: Mengyao
full_name: Li, Mengyao
last_name: Li
- first_name: Yu
full_name: Zhang, Yu
last_name: Zhang
- first_name: Ting
full_name: Zhang, Ting
last_name: Zhang
- first_name: Yong
full_name: Zuo, Yong
last_name: Zuo
- first_name: Ke
full_name: Xiao, Ke
last_name: Xiao
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Jordi
full_name: Llorca, Jordi
last_name: Llorca
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Andreu
full_name: Cabot, Andreu
last_name: Cabot
citation:
ama: Li M, Zhang Y, Zhang T, et al. Enhanced thermoelectric performance of n-type
Bi2Se3 nanosheets through Sn doping. Nanomaterials. 2021;11(7). doi:10.3390/nano11071827
apa: Li, M., Zhang, Y., Zhang, T., Zuo, Y., Xiao, K., Arbiol, J., … Cabot, A. (2021).
Enhanced thermoelectric performance of n-type Bi2Se3 nanosheets through Sn doping.
Nanomaterials. MDPI. https://doi.org/10.3390/nano11071827
chicago: Li, Mengyao, Yu Zhang, Ting Zhang, Yong Zuo, Ke Xiao, Jordi Arbiol, Jordi
Llorca, Yu Liu, and Andreu Cabot. “Enhanced Thermoelectric Performance of N-Type
Bi2Se3 Nanosheets through Sn Doping.” Nanomaterials. MDPI, 2021. https://doi.org/10.3390/nano11071827.
ieee: M. Li et al., “Enhanced thermoelectric performance of n-type Bi2Se3
nanosheets through Sn doping,” Nanomaterials, vol. 11, no. 7. MDPI, 2021.
ista: Li M, Zhang Y, Zhang T, Zuo Y, Xiao K, Arbiol J, Llorca J, Liu Y, Cabot A.
2021. Enhanced thermoelectric performance of n-type Bi2Se3 nanosheets through
Sn doping. Nanomaterials. 11(7), 1827.
mla: Li, Mengyao, et al. “Enhanced Thermoelectric Performance of N-Type Bi2Se3 Nanosheets
through Sn Doping.” Nanomaterials, vol. 11, no. 7, 1827, MDPI, 2021, doi:10.3390/nano11071827.
short: M. Li, Y. Zhang, T. Zhang, Y. Zuo, K. Xiao, J. Arbiol, J. Llorca, Y. Liu,
A. Cabot, Nanomaterials 11 (2021).
date_created: 2022-03-18T09:45:02Z
date_published: 2021-07-14T00:00:00Z
date_updated: 2023-08-17T07:08:30Z
day: '14'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.3390/nano11071827
ec_funded: 1
external_id:
isi:
- '000676570000001'
file:
- access_level: open_access
checksum: f28a8b5cf80f5605828359bb398463b0
content_type: application/pdf
creator: dernst
date_created: 2022-03-18T09:53:15Z
date_updated: 2022-03-18T09:53:15Z
file_id: '10859'
file_name: 2021_Nanomaterials_Li.pdf
file_size: 4867547
relation: main_file
success: 1
file_date_updated: 2022-03-18T09:53:15Z
has_accepted_license: '1'
intvolume: ' 11'
isi: 1
issue: '7'
keyword:
- General Materials Science
- General Chemical Engineering
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Nanomaterials
publication_identifier:
issn:
- 2079-4991
publication_status: published
publisher: MDPI
quality_controlled: '1'
scopus_import: '1'
status: public
title: Enhanced thermoelectric performance of n-type Bi2Se3 nanosheets through Sn
doping
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: 11
year: '2021'
...
---
_id: '10834'
abstract:
- lang: eng
text: Hematopoietic-specific protein 1 (Hem1) is an essential subunit of the WAVE
regulatory complex (WRC) in immune cells. WRC is crucial for Arp2/3 complex activation
and the protrusion of branched actin filament networks. Moreover, Hem1 loss of
function in immune cells causes autoimmune diseases in humans. Here, we show that
genetic removal of Hem1 in macrophages diminishes frequency and efficacy of phagocytosis
as well as phagocytic cup formation in addition to defects in lamellipodial protrusion
and migration. Moreover, Hem1-null macrophages displayed strong defects in cell
adhesion despite unaltered podosome formation and concomitant extracellular matrix
degradation. Specifically, dynamics of both adhesion and de-adhesion as well as
concomitant phosphorylation of paxillin and focal adhesion kinase (FAK) were significantly
compromised. Accordingly, disruption of WRC function in non-hematopoietic cells
coincided with both defects in adhesion turnover and altered FAK and paxillin
phosphorylation. Consistently, platelets exhibited reduced adhesion and diminished
integrin αIIbβ3 activation upon WRC removal. Interestingly, adhesion phenotypes,
but not lamellipodia formation, were partially rescued by small molecule activation
of FAK. A full rescue of the phenotype, including lamellipodia formation, required
not only the presence of WRCs but also their binding to and activation by Rac.
Collectively, our results uncover that WRC impacts on integrin-dependent processes
in a FAK-dependent manner, controlling formation and dismantling of adhesions,
relevant for properly grabbing onto extracellular surfaces and particles during
cell edge expansion, like in migration or phagocytosis.
acknowledgement: We are grateful to Silvia Prettin, Ina Schleicher, and Petra Hagendorff
for expert technical assistance; David Dettbarn for animal keeping and breeding;
and Lothar Gröbe and Maria Höxter for cell sorting. We also thank Werner Tegge for
peptides and Giorgio Scita for antibodies. This work was supported, in part, by
the Deutsche Forschungsgemeinschaft (DFG), Priority Programm SPP1150 (to T.E.B.S.,
K.R., and M. Sixt), and by DFG grant GRK2223/1 (to K.R.). T.E.B.S. acknowledges
support by the Helmholtz Society through HGF impulse fund W2/W3-066 and M. Schnoor
by the Mexican Council for Science and Technology (CONACyT, 284292 ), Fund SEP-Cinvestav
( 108 ), and the Royal Society, UK (Newton Advanced Fellowship, NAF/R1/180017 ).
article_processing_charge: No
article_type: original
author:
- first_name: Stephanie
full_name: Stahnke, Stephanie
last_name: Stahnke
- first_name: Hermann
full_name: Döring, Hermann
last_name: Döring
- first_name: Charly
full_name: Kusch, Charly
last_name: Kusch
- first_name: David J.J.
full_name: de Gorter, David J.J.
last_name: de Gorter
- first_name: Sebastian
full_name: Dütting, Sebastian
last_name: Dütting
- first_name: Aleks
full_name: Guledani, Aleks
last_name: Guledani
- first_name: Irina
full_name: Pleines, Irina
last_name: Pleines
- first_name: Michael
full_name: Schnoor, Michael
last_name: Schnoor
- first_name: Michael K
full_name: Sixt, Michael K
id: 41E9FBEA-F248-11E8-B48F-1D18A9856A87
last_name: Sixt
orcid: 0000-0002-6620-9179
- first_name: Robert
full_name: Geffers, Robert
last_name: Geffers
- first_name: Manfred
full_name: Rohde, Manfred
last_name: Rohde
- first_name: Mathias
full_name: Müsken, Mathias
last_name: Müsken
- first_name: Frieda
full_name: Kage, Frieda
last_name: Kage
- first_name: Anika
full_name: Steffen, Anika
last_name: Steffen
- first_name: Jan
full_name: Faix, Jan
last_name: Faix
- first_name: Bernhard
full_name: Nieswandt, Bernhard
last_name: Nieswandt
- first_name: Klemens
full_name: Rottner, Klemens
last_name: Rottner
- first_name: Theresia E.B.
full_name: Stradal, Theresia E.B.
last_name: Stradal
citation:
ama: Stahnke S, Döring H, Kusch C, et al. Loss of Hem1 disrupts macrophage function
and impacts migration, phagocytosis, and integrin-mediated adhesion. Current
Biology. 2021;31(10):2051-2064.e8. doi:10.1016/j.cub.2021.02.043
apa: Stahnke, S., Döring, H., Kusch, C., de Gorter, D. J. J., Dütting, S., Guledani,
A., … Stradal, T. E. B. (2021). Loss of Hem1 disrupts macrophage function and
impacts migration, phagocytosis, and integrin-mediated adhesion. Current Biology.
Elsevier. https://doi.org/10.1016/j.cub.2021.02.043
chicago: Stahnke, Stephanie, Hermann Döring, Charly Kusch, David J.J. de Gorter,
Sebastian Dütting, Aleks Guledani, Irina Pleines, et al. “Loss of Hem1 Disrupts
Macrophage Function and Impacts Migration, Phagocytosis, and Integrin-Mediated
Adhesion.” Current Biology. Elsevier, 2021. https://doi.org/10.1016/j.cub.2021.02.043.
ieee: S. Stahnke et al., “Loss of Hem1 disrupts macrophage function and impacts
migration, phagocytosis, and integrin-mediated adhesion,” Current Biology,
vol. 31, no. 10. Elsevier, p. 2051–2064.e8, 2021.
ista: Stahnke S, Döring H, Kusch C, de Gorter DJJ, Dütting S, Guledani A, Pleines
I, Schnoor M, Sixt MK, Geffers R, Rohde M, Müsken M, Kage F, Steffen A, Faix J,
Nieswandt B, Rottner K, Stradal TEB. 2021. Loss of Hem1 disrupts macrophage function
and impacts migration, phagocytosis, and integrin-mediated adhesion. Current Biology.
31(10), 2051–2064.e8.
mla: Stahnke, Stephanie, et al. “Loss of Hem1 Disrupts Macrophage Function and Impacts
Migration, Phagocytosis, and Integrin-Mediated Adhesion.” Current Biology,
vol. 31, no. 10, Elsevier, 2021, p. 2051–2064.e8, doi:10.1016/j.cub.2021.02.043.
short: S. Stahnke, H. Döring, C. Kusch, D.J.J. de Gorter, S. Dütting, A. Guledani,
I. Pleines, M. Schnoor, M.K. Sixt, R. Geffers, M. Rohde, M. Müsken, F. Kage, A.
Steffen, J. Faix, B. Nieswandt, K. Rottner, T.E.B. Stradal, Current Biology 31
(2021) 2051–2064.e8.
date_created: 2022-03-08T07:51:04Z
date_published: 2021-05-24T00:00:00Z
date_updated: 2023-08-17T07:01:14Z
day: '24'
department:
- _id: MiSi
doi: 10.1016/j.cub.2021.02.043
external_id:
isi:
- '000654652200002'
pmid:
- '33711252'
intvolume: ' 31'
isi: 1
issue: '10'
keyword:
- General Agricultural and Biological Sciences
- General Biochemistry
- Genetics and Molecular Biology
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1101/2020.03.24.005835
month: '05'
oa: 1
oa_version: Preprint
page: 2051-2064.e8
pmid: 1
publication: Current Biology
publication_identifier:
issn:
- 0960-9822
publication_status: published
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: Loss of Hem1 disrupts macrophage function and impacts migration, phagocytosis,
and integrin-mediated adhesion
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 31
year: '2021'
...
---
_id: '9935'
abstract:
- lang: eng
text: "We present a deterministic O(log log log n)-round low-space Massively Parallel
Computation (MPC) algorithm for the classical problem of (Δ+1)-coloring on n-vertex
graphs. In this model, every machine has sublinear local space of size n^φ for
any arbitrary constant φ \\in (0,1). Our algorithm works under the relaxed setting
where each machine is allowed to perform exponential local computations, while
respecting the n^φ space and bandwidth limitations.\r\n\r\nOur key technical contribution
is a novel derandomization of the ingenious (Δ+1)-coloring local algorithm by
Chang-Li-Pettie (STOC 2018, SIAM J. Comput. 2020). The Chang-Li-Pettie algorithm
runs in T_local =poly(loglog n) rounds, which sets the state-of-the-art randomized
round complexity for the problem in the local model. Our derandomization employs
a combination of tools, notably pseudorandom generators (PRG) and bounded-independence
hash functions.\r\n\r\nThe achieved round complexity of O(logloglog n) rounds
matches the bound of log(T_local ), which currently serves an upper bound barrier
for all known randomized algorithms for locally-checkable problems in this model.
Furthermore, no deterministic sublogarithmic low-space MPC algorithms for the
(Δ+1)-coloring problem have been known before."
acknowledgement: This work is partially supported by a Weizmann-UK Making Connections
Grant, the Centre for Discrete Mathematics and its Applications (DIMAP), IBM Faculty
Award, EPSRC award EP/V01305X/1, European Research Council (ERC) Grant No. 949083,
the Minerva foundation with funding from the Federal German Ministry for Education
and Research No. 713238, and the European Union’s Horizon 2020 programme under the
Marie Skłodowska-Curie grant agreement No 754411.
article_processing_charge: No
author:
- first_name: Artur
full_name: Czumaj, Artur
last_name: Czumaj
- first_name: Peter
full_name: Davies, Peter
id: 11396234-BB50-11E9-B24C-90FCE5697425
last_name: Davies
orcid: 0000-0002-5646-9524
- first_name: Merav
full_name: Parter, Merav
last_name: Parter
citation:
ama: 'Czumaj A, Davies P, Parter M. Improved deterministic (Δ+1) coloring in low-space
MPC. In: Proceedings of the 2021 ACM Symposium on Principles of Distributed
Computing. Association for Computing Machinery; 2021:469–479. doi:10.1145/3465084.3467937'
apa: 'Czumaj, A., Davies, P., & Parter, M. (2021). Improved deterministic (Δ+1)
coloring in low-space MPC. In Proceedings of the 2021 ACM Symposium on Principles
of Distributed Computing (pp. 469–479). Virtual, Italy: Association for Computing
Machinery. https://doi.org/10.1145/3465084.3467937'
chicago: Czumaj, Artur, Peter Davies, and Merav Parter. “Improved Deterministic
(Δ+1) Coloring in Low-Space MPC.” In Proceedings of the 2021 ACM Symposium
on Principles of Distributed Computing, 469–479. Association for Computing
Machinery, 2021. https://doi.org/10.1145/3465084.3467937.
ieee: A. Czumaj, P. Davies, and M. Parter, “Improved deterministic (Δ+1) coloring
in low-space MPC,” in Proceedings of the 2021 ACM Symposium on Principles of
Distributed Computing, Virtual, Italy, 2021, pp. 469–479.
ista: 'Czumaj A, Davies P, Parter M. 2021. Improved deterministic (Δ+1) coloring
in low-space MPC. Proceedings of the 2021 ACM Symposium on Principles of Distributed
Computing. PODC: Symposium on Principles of Distributed Computing, 469–479.'
mla: Czumaj, Artur, et al. “Improved Deterministic (Δ+1) Coloring in Low-Space MPC.”
Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing,
Association for Computing Machinery, 2021, pp. 469–479, doi:10.1145/3465084.3467937.
short: A. Czumaj, P. Davies, M. Parter, in:, Proceedings of the 2021 ACM Symposium
on Principles of Distributed Computing, Association for Computing Machinery, 2021,
pp. 469–479.
conference:
end_date: 2021-07-30
location: Virtual, Italy
name: 'PODC: Symposium on Principles of Distributed Computing'
start_date: 2021-07-26
date_created: 2021-08-17T18:14:15Z
date_published: 2021-07-21T00:00:00Z
date_updated: 2023-08-17T07:11:03Z
day: '21'
department:
- _id: DaAl
doi: 10.1145/3465084.3467937
ec_funded: 1
external_id:
isi:
- '000744439800048'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: http://wrap.warwick.ac.uk/153753
month: '07'
oa: 1
oa_version: Submitted Version
page: 469–479
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing
publication_identifier:
isbn:
- 978-1-4503-8548-0
publication_status: published
publisher: Association for Computing Machinery
quality_controlled: '1'
status: public
title: Improved deterministic (Δ+1) coloring in low-space MPC
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '10856'
abstract:
- lang: eng
text: "We study the properties of the maximal volume k-dimensional sections of the
n-dimensional cube [−1, 1]n. We obtain a first order necessary condition for a
k-dimensional subspace to be a local maximizer of the volume of such sections,
which we formulate in a geometric way. We estimate the length of the projection
of a vector of the standard basis of Rn onto a k-dimensional subspace that maximizes
the volume of the intersection. We \x1Cnd the optimal upper bound on the volume
of a planar section of the cube [−1, 1]n , n ≥ 2."
acknowledgement: "The authors acknowledge the support of the grant of the Russian
Government N 075-15-\r\n2019-1926. G.I.was supported also by the SwissNational Science
Foundation grant 200021-179133. The authors are very grateful to the anonymous reviewer
for valuable remarks."
article_processing_charge: No
article_type: original
author:
- first_name: Grigory
full_name: Ivanov, Grigory
id: 87744F66-5C6F-11EA-AFE0-D16B3DDC885E
last_name: Ivanov
- first_name: Igor
full_name: Tsiutsiurupa, Igor
last_name: Tsiutsiurupa
citation:
ama: Ivanov G, Tsiutsiurupa I. On the volume of sections of the cube. Analysis
and Geometry in Metric Spaces. 2021;9(1):1-18. doi:10.1515/agms-2020-0103
apa: Ivanov, G., & Tsiutsiurupa, I. (2021). On the volume of sections of the
cube. Analysis and Geometry in Metric Spaces. De Gruyter. https://doi.org/10.1515/agms-2020-0103
chicago: Ivanov, Grigory, and Igor Tsiutsiurupa. “On the Volume of Sections of the
Cube.” Analysis and Geometry in Metric Spaces. De Gruyter, 2021. https://doi.org/10.1515/agms-2020-0103.
ieee: G. Ivanov and I. Tsiutsiurupa, “On the volume of sections of the cube,” Analysis
and Geometry in Metric Spaces, vol. 9, no. 1. De Gruyter, pp. 1–18, 2021.
ista: Ivanov G, Tsiutsiurupa I. 2021. On the volume of sections of the cube. Analysis
and Geometry in Metric Spaces. 9(1), 1–18.
mla: Ivanov, Grigory, and Igor Tsiutsiurupa. “On the Volume of Sections of the Cube.”
Analysis and Geometry in Metric Spaces, vol. 9, no. 1, De Gruyter, 2021,
pp. 1–18, doi:10.1515/agms-2020-0103.
short: G. Ivanov, I. Tsiutsiurupa, Analysis and Geometry in Metric Spaces 9 (2021)
1–18.
date_created: 2022-03-18T09:25:14Z
date_published: 2021-01-29T00:00:00Z
date_updated: 2023-08-17T07:07:58Z
day: '29'
ddc:
- '510'
department:
- _id: UlWa
doi: 10.1515/agms-2020-0103
external_id:
arxiv:
- '2004.02674'
isi:
- '000734286800001'
file:
- access_level: open_access
checksum: 7e615ac8489f5eae580b6517debfdc53
content_type: application/pdf
creator: dernst
date_created: 2022-03-18T09:31:59Z
date_updated: 2022-03-18T09:31:59Z
file_id: '10857'
file_name: 2021_AnalysisMetricSpaces_Ivanov.pdf
file_size: 789801
relation: main_file
success: 1
file_date_updated: 2022-03-18T09:31:59Z
has_accepted_license: '1'
intvolume: ' 9'
isi: 1
issue: '1'
keyword:
- Applied Mathematics
- Geometry and Topology
- Analysis
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 1-18
publication: Analysis and Geometry in Metric Spaces
publication_identifier:
issn:
- 2299-3274
publication_status: published
publisher: De Gruyter
quality_controlled: '1'
scopus_import: '1'
status: public
title: On the volume of sections of the cube
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: 9
year: '2021'
...
---
_id: '9933'
abstract:
- lang: eng
text: "In this paper, we study the power and limitations of component-stable algorithms
in the low-space model of Massively Parallel Computation (MPC). Recently Ghaffari,
Kuhn and Uitto (FOCS 2019) introduced the class of component-stable low-space
MPC algorithms, which are, informally, defined as algorithms for which the outputs
reported by the nodes in different connected components are required to be independent.
This very natural notion was introduced to capture most (if not all) of the known
efficient MPC algorithms to date, and it was the first general class of MPC algorithms
for which one can show non-trivial conditional lower bounds. In this paper we
enhance the framework of component-stable algorithms and investigate its effect
on the complexity of randomized and deterministic low-space MPC. Our key contributions
include: 1) We revise and formalize the lifting approach of Ghaffari, Kuhn and
Uitto. This requires a very delicate amendment of the notion of component stability,
which allows us to fill in gaps in the earlier arguments. 2) We also extend the
framework to obtain conditional lower bounds for deterministic algorithms and
fine-grained lower bounds that depend on the maximum degree Δ. 3) We demonstrate
a collection of natural graph problems for which non-component-stable algorithms
break the conditional lower bound obtained for component-stable algorithms. This
implies that, for both deterministic and randomized algorithms, component-stable
algorithms are conditionally weaker than the non-component-stable ones.\r\n\r\nAltogether
our results imply that component-stability might limit the computational power
of the low-space MPC model, paving the way for improved upper bounds that escape
the conditional lower bound setting of Ghaffari, Kuhn, and Uitto."
acknowledgement: This work is partially supported by a Weizmann-UK Making Connections
Grant, the Centre for Discrete Mathematics and its Applications (DIMAP), IBM Faculty
Award, EPSRC award EP/V01305X/1, European Research Council (ERC) Grant No. 949083,
the Minerva foundation with funding from the Federal German Ministry for Education
and Research No. 713238, and the European Union’s Horizon 2020 programme under the
Marie Skłodowska-Curie grant agreement No 754411.
article_processing_charge: No
author:
- first_name: Artur
full_name: Czumaj, Artur
last_name: Czumaj
- first_name: Peter
full_name: Davies, Peter
id: 11396234-BB50-11E9-B24C-90FCE5697425
last_name: Davies
orcid: 0000-0002-5646-9524
- first_name: Merav
full_name: Parter, Merav
last_name: Parter
citation:
ama: 'Czumaj A, Davies P, Parter M. Component stability in low-space massively parallel
computation. In: Proceedings of the 2021 ACM Symposium on Principles of Distributed
Computing. Association for Computing Machinery; 2021:481–491. doi:10.1145/3465084.3467903'
apa: 'Czumaj, A., Davies, P., & Parter, M. (2021). Component stability in low-space
massively parallel computation. In Proceedings of the 2021 ACM Symposium on
Principles of Distributed Computing (pp. 481–491). Virtual, Italy: Association
for Computing Machinery. https://doi.org/10.1145/3465084.3467903'
chicago: Czumaj, Artur, Peter Davies, and Merav Parter. “Component Stability in
Low-Space Massively Parallel Computation.” In Proceedings of the 2021 ACM Symposium
on Principles of Distributed Computing, 481–491. Association for Computing
Machinery, 2021. https://doi.org/10.1145/3465084.3467903.
ieee: A. Czumaj, P. Davies, and M. Parter, “Component stability in low-space massively
parallel computation,” in Proceedings of the 2021 ACM Symposium on Principles
of Distributed Computing, Virtual, Italy, 2021, pp. 481–491.
ista: 'Czumaj A, Davies P, Parter M. 2021. Component stability in low-space massively
parallel computation. Proceedings of the 2021 ACM Symposium on Principles of Distributed
Computing. PODC: Principles of Distributed Computing, 481–491.'
mla: Czumaj, Artur, et al. “Component Stability in Low-Space Massively Parallel
Computation.” Proceedings of the 2021 ACM Symposium on Principles of Distributed
Computing, Association for Computing Machinery, 2021, pp. 481–491, doi:10.1145/3465084.3467903.
short: A. Czumaj, P. Davies, M. Parter, in:, Proceedings of the 2021 ACM Symposium
on Principles of Distributed Computing, Association for Computing Machinery, 2021,
pp. 481–491.
conference:
end_date: 2021-07-30
location: Virtual, Italy
name: 'PODC: Principles of Distributed Computing'
start_date: 2021-07-26
date_created: 2021-08-17T18:11:16Z
date_published: 2021-07-21T00:00:00Z
date_updated: 2023-08-17T07:11:32Z
day: '21'
department:
- _id: DaAl
doi: 10.1145/3465084.3467903
ec_funded: 1
external_id:
arxiv:
- '2106.01880'
isi:
- '000744439800049'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2106.01880
month: '07'
oa: 1
oa_version: Submitted Version
page: 481–491
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Proceedings of the 2021 ACM Symposium on Principles of Distributed Computing
publication_identifier:
isbn:
- '9781450385480'
publication_status: published
publisher: Association for Computing Machinery
quality_controlled: '1'
status: public
title: Component stability in low-space massively parallel computation
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '9627'
abstract:
- lang: eng
text: "We compute the deficiency spaces of operators of the form \U0001D43B\U0001D434⊗̂
\U0001D43C+\U0001D43C⊗̂ \U0001D43B\U0001D435, for symmetric \U0001D43B\U0001D434
and self-adjoint \U0001D43B\U0001D435. This enables us to construct self-adjoint
extensions (if they exist) by means of von Neumann's theory. The structure of
the deficiency spaces for this case was asserted already in Ibort et al. [Boundary
dynamics driven entanglement, J. Phys. A: Math. Theor. 47(38) (2014) 385301],
but only proven under the restriction of \U0001D43B\U0001D435 having discrete,
non-degenerate spectrum."
acknowledgement: M. W. gratefully acknowledges financial support by the German Academic
Scholarship Foundation (Studienstiftung des deutschen Volkes). T.W. thanks PAO Gazprom
Neft, the Euler International Mathematical Institute in Saint Petersburg and ORISA
GmbH for their financial support in the form of scholarships during his Master's
and Bachelor's studies respectively. The authors want to thank Mark Malamud for
pointing out the reference [1] to them. This work was supported by the Ministry
of Science and Higher Education of the Russian Federation, agreement No 075-15-2019-1619.
article_processing_charge: No
article_type: original
author:
- first_name: Daniel
full_name: Lenz, Daniel
last_name: Lenz
- first_name: Timon
full_name: Weinmann, Timon
last_name: Weinmann
- first_name: Melchior
full_name: Wirth, Melchior
id: 88644358-0A0E-11EA-8FA5-49A33DDC885E
last_name: Wirth
orcid: 0000-0002-0519-4241
citation:
ama: Lenz D, Weinmann T, Wirth M. Self-adjoint extensions of bipartite Hamiltonians.
Proceedings of the Edinburgh Mathematical Society. 2021;64(3):443-447.
doi:10.1017/S0013091521000080
apa: Lenz, D., Weinmann, T., & Wirth, M. (2021). Self-adjoint extensions of
bipartite Hamiltonians. Proceedings of the Edinburgh Mathematical Society.
Cambridge University Press. https://doi.org/10.1017/S0013091521000080
chicago: Lenz, Daniel, Timon Weinmann, and Melchior Wirth. “Self-Adjoint Extensions
of Bipartite Hamiltonians.” Proceedings of the Edinburgh Mathematical Society.
Cambridge University Press, 2021. https://doi.org/10.1017/S0013091521000080.
ieee: D. Lenz, T. Weinmann, and M. Wirth, “Self-adjoint extensions of bipartite
Hamiltonians,” Proceedings of the Edinburgh Mathematical Society, vol.
64, no. 3. Cambridge University Press, pp. 443–447, 2021.
ista: Lenz D, Weinmann T, Wirth M. 2021. Self-adjoint extensions of bipartite Hamiltonians.
Proceedings of the Edinburgh Mathematical Society. 64(3), 443–447.
mla: Lenz, Daniel, et al. “Self-Adjoint Extensions of Bipartite Hamiltonians.” Proceedings
of the Edinburgh Mathematical Society, vol. 64, no. 3, Cambridge University
Press, 2021, pp. 443–47, doi:10.1017/S0013091521000080.
short: D. Lenz, T. Weinmann, M. Wirth, Proceedings of the Edinburgh Mathematical
Society 64 (2021) 443–447.
date_created: 2021-07-04T22:01:24Z
date_published: 2021-08-01T00:00:00Z
date_updated: 2023-08-17T07:12:05Z
day: '01'
department:
- _id: JaMa
doi: 10.1017/S0013091521000080
external_id:
arxiv:
- '1912.03670'
isi:
- '000721363700003'
intvolume: ' 64'
isi: 1
issue: '3'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1017/S0013091521000080
month: '08'
oa: 1
oa_version: Published Version
page: 443-447
publication: Proceedings of the Edinburgh Mathematical Society
publication_identifier:
eissn:
- 1464-3839
issn:
- 0013-0915
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Self-adjoint extensions of bipartite Hamiltonians
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 64
year: '2021'
...
---
_id: '7901'
abstract:
- lang: eng
text: We derive rigorously the leading order of the correlation energy of a Fermi
gas in a scaling regime of high density and weak interaction. The result verifies
the prediction of the random-phase approximation. Our proof refines the method
of collective bosonization in three dimensions. We approximately diagonalize an
effective Hamiltonian describing approximately bosonic collective excitations
around the Hartree–Fock state, while showing that gapless and non-collective excitations
have only a negligible effect on the ground state energy.
acknowledgement: We thank Christian Hainzl for helpful discussions and a referee for
very careful reading of the paper and many helpful suggestions. NB and RS were supported
by the European Research Council (ERC) under the European Union’s Horizon 2020 research
and innovation programme (grant agreement No. 694227). Part of the research of NB
was conducted on the RZD18 Nice–Milan–Vienna–Moscow. NB thanks Elliott H. Lieb and
Peter Otte for explanations about the Luttinger model. PTN has received funding
from the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) under
Germany’s Excellence Strategy (EXC-2111-390814868). MP acknowledges financial support
from the European Research Council (ERC) under the European Union’s Horizon 2020
research and innovation programme (ERC StG MaMBoQ, grant agreement No. 802901).
BS gratefully acknowledges financial support from the NCCR SwissMAP, from the Swiss
National Science Foundation through the Grant “Dynamical and energetic properties
of Bose-Einstein condensates” and from the European Research Council through the
ERC-AdG CLaQS (grant agreement No. 834782). All authors acknowledge support for
workshop participation from Mathematisches Forschungsinstitut Oberwolfach (Leibniz
Association). NB, PTN, BS, and RS acknowledge support for workshop participation
from Fondation des Treilles.
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Niels P
full_name: Benedikter, Niels P
id: 3DE6C32A-F248-11E8-B48F-1D18A9856A87
last_name: Benedikter
orcid: 0000-0002-1071-6091
- first_name: Phan Thành
full_name: Nam, Phan Thành
last_name: Nam
- first_name: Marcello
full_name: Porta, Marcello
last_name: Porta
- 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
citation:
ama: Benedikter NP, Nam PT, Porta M, Schlein B, Seiringer R. Correlation energy
of a weakly interacting Fermi gas. Inventiones Mathematicae. 2021;225:885-979.
doi:10.1007/s00222-021-01041-5
apa: Benedikter, N. P., Nam, P. T., Porta, M., Schlein, B., & Seiringer, R.
(2021). Correlation energy of a weakly interacting Fermi gas. Inventiones Mathematicae.
Springer. https://doi.org/10.1007/s00222-021-01041-5
chicago: Benedikter, Niels P, Phan Thành Nam, Marcello Porta, Benjamin Schlein,
and Robert Seiringer. “Correlation Energy of a Weakly Interacting Fermi Gas.”
Inventiones Mathematicae. Springer, 2021. https://doi.org/10.1007/s00222-021-01041-5.
ieee: N. P. Benedikter, P. T. Nam, M. Porta, B. Schlein, and R. Seiringer, “Correlation
energy of a weakly interacting Fermi gas,” Inventiones Mathematicae, vol.
225. Springer, pp. 885–979, 2021.
ista: Benedikter NP, Nam PT, Porta M, Schlein B, Seiringer R. 2021. Correlation
energy of a weakly interacting Fermi gas. Inventiones Mathematicae. 225, 885–979.
mla: Benedikter, Niels P., et al. “Correlation Energy of a Weakly Interacting Fermi
Gas.” Inventiones Mathematicae, vol. 225, Springer, 2021, pp. 885–979,
doi:10.1007/s00222-021-01041-5.
short: N.P. Benedikter, P.T. Nam, M. Porta, B. Schlein, R. Seiringer, Inventiones
Mathematicae 225 (2021) 885–979.
date_created: 2020-05-28T16:48:20Z
date_published: 2021-05-03T00:00:00Z
date_updated: 2023-08-21T06:30:30Z
day: '03'
ddc:
- '510'
department:
- _id: RoSe
doi: 10.1007/s00222-021-01041-5
ec_funded: 1
external_id:
arxiv:
- '2005.08933'
isi:
- '000646573600001'
file:
- access_level: open_access
checksum: f38c79dfd828cdc7f49a34b37b83d376
content_type: application/pdf
creator: dernst
date_created: 2022-05-16T12:23:40Z
date_updated: 2022-05-16T12:23:40Z
file_id: '11386'
file_name: 2021_InventMath_Benedikter.pdf
file_size: 1089319
relation: main_file
success: 1
file_date_updated: 2022-05-16T12:23:40Z
has_accepted_license: '1'
intvolume: ' 225'
isi: 1
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: 885-979
project:
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
name: IST Austria Open Access Fund
- _id: 25C6DC12-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '694227'
name: Analysis of quantum many-body systems
publication: Inventiones Mathematicae
publication_identifier:
eissn:
- 1432-1297
issn:
- 0020-9910
publication_status: published
publisher: Springer
quality_controlled: '1'
scopus_import: '1'
status: public
title: Correlation energy of a weakly interacting Fermi gas
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: 225
year: '2021'
...
---
_id: '13456'
abstract:
- lang: eng
text: While most simulations of the epoch of reionization have focused on single-stellar
populations in star-forming dwarf galaxies, products of binary evolution are expected
to significantly contribute to emissions of hydrogen-ionizing photons. Among these
products are stripped stars (or helium stars), which have their envelopes stripped
from interactions with binary companions, leaving an exposed helium core. Previous
work has suggested these stripped stars can dominate the Lyman Continuum (LyC)
photon output of high-redshift, low-luminosity galaxies post-starburst. Other
sources of hard radiation in the early universe include zero-metallicity Population
iii stars, which may have similar spectral energy distribution (SED) properties
to galaxies with radiation dominated by stripped-star emissions. Here, we use
four metrics (the power-law exponent over wavelength intervals 240–500 Å, 600–900
Å, and 1200–2000 Å, and the ratio of total luminosity in FUV wavelengths to LyC
wavelengths) to compare the SEDs of simulated galaxies with only single-stellar
evolution, galaxies containing stripped stars, and galaxies containing Population
iii stars, with four different initial mass functions (IMFs). We find that stripped
stars significantly alter SEDs in the LyC range of galaxies at the epoch of reionization.
SEDs in galaxies with stripped stars have lower power-law indices in the LyC range
and lower FUV to LyC luminosity ratios. These differences in SEDs are present
at all considered luminosities (${M}_{\mathrm{UV}}\gt -15$, AB system), and are
most pronounced for lower-luminosity galaxies. Intrinsic SEDs as well as those
with interstellar medium absorption of galaxies with stripped stars and Population
iii stars are found to be distinct for all tested Population iii IMFs.
article_number: '5'
article_processing_charge: No
article_type: original
author:
- first_name: Elizabeth
full_name: Berzin, Elizabeth
last_name: Berzin
- first_name: Amy
full_name: Secunda, Amy
last_name: Secunda
- first_name: Renyue
full_name: Cen, Renyue
last_name: Cen
- first_name: Alexander
full_name: Menegas, Alexander
last_name: Menegas
- first_name: Ylva Louise Linsdotter
full_name: Götberg, Ylva Louise Linsdotter
id: d0648d0c-0f64-11ee-a2e0-dd0faa2e4f7d
last_name: Götberg
orcid: 0000-0002-6960-6911
citation:
ama: Berzin E, Secunda A, Cen R, Menegas A, Götberg YLL. Spectral signatures of
population III and envelope-stripped stars in galaxies at the epoch of reionization.
The Astrophysical Journal. 2021;918(1). doi:10.3847/1538-4357/ac0af6
apa: Berzin, E., Secunda, A., Cen, R., Menegas, A., & Götberg, Y. L. L. (2021).
Spectral signatures of population III and envelope-stripped stars in galaxies
at the epoch of reionization. The Astrophysical Journal. American Astronomical
Society. https://doi.org/10.3847/1538-4357/ac0af6
chicago: Berzin, Elizabeth, Amy Secunda, Renyue Cen, Alexander Menegas, and Ylva
Louise Linsdotter Götberg. “Spectral Signatures of Population III and Envelope-Stripped
Stars in Galaxies at the Epoch of Reionization.” The Astrophysical Journal.
American Astronomical Society, 2021. https://doi.org/10.3847/1538-4357/ac0af6.
ieee: E. Berzin, A. Secunda, R. Cen, A. Menegas, and Y. L. L. Götberg, “Spectral
signatures of population III and envelope-stripped stars in galaxies at the epoch
of reionization,” The Astrophysical Journal, vol. 918, no. 1. American
Astronomical Society, 2021.
ista: Berzin E, Secunda A, Cen R, Menegas A, Götberg YLL. 2021. Spectral signatures
of population III and envelope-stripped stars in galaxies at the epoch of reionization.
The Astrophysical Journal. 918(1), 5.
mla: Berzin, Elizabeth, et al. “Spectral Signatures of Population III and Envelope-Stripped
Stars in Galaxies at the Epoch of Reionization.” The Astrophysical Journal,
vol. 918, no. 1, 5, American Astronomical Society, 2021, doi:10.3847/1538-4357/ac0af6.
short: E. Berzin, A. Secunda, R. Cen, A. Menegas, Y.L.L. Götberg, The Astrophysical
Journal 918 (2021).
date_created: 2023-08-03T10:11:24Z
date_published: 2021-08-27T00:00:00Z
date_updated: 2023-08-21T11:44:50Z
day: '27'
doi: 10.3847/1538-4357/ac0af6
extern: '1'
external_id:
arxiv:
- '2102.08408'
intvolume: ' 918'
issue: '1'
keyword:
- Space and Planetary Science
- Astronomy and Astrophysics
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.3847/1538-4357/ac0af6
month: '08'
oa: 1
oa_version: Published Version
publication: The Astrophysical Journal
publication_identifier:
eissn:
- 1538-4357
issn:
- 0004-637X
publication_status: published
publisher: American Astronomical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Spectral signatures of population III and envelope-stripped stars in galaxies
at the epoch of reionization
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 918
year: '2021'
...
---
_id: '13458'
abstract:
- lang: eng
text: Most massive stars experience binary interactions in their lifetimes that
can alter both the surface and core structure of the stripped star with significant
effects on their ultimate fate as core-collapse supernovae. However, core-collapse
supernovae simulations to date have focused almost exclusively on the evolution
of single stars. We present a systematic simulation study of single and binary-stripped
stars with the same initial mass as candidates for core-collapse supernovae (11–21
M⊙). Generally, we find that binary-stripped stars core tend to have a smaller
compactness parameter, with a more prominent, deeper silicon/oxygen interface,
and explode preferentially to the corresponding single stars of the same initial
mass. Such a dichotomy of behavior between these two modes of evolution would
have important implications for supernovae statistics, including the final neutron
star masses, explosion energies, and nucleosynthetic yields. Binary-stripped remnants
are also well poised to populate the possible mass gap between the heaviest neutron
stars and the lightest black holes. Our work presents an improvement along two
fronts, as we self-consistently account for the pre-collapse stellar evolution
and the subsequent explosion outcome. Even so, our results emphasize the need
for more detailed stellar evolutionary models to capture the sensitive nature
of explosion outcome.
article_number: L5
article_processing_charge: No
article_type: original
author:
- first_name: David
full_name: Vartanyan, David
last_name: Vartanyan
- first_name: Eva
full_name: Laplace, Eva
last_name: Laplace
- first_name: Mathieu
full_name: Renzo, Mathieu
last_name: Renzo
- first_name: Ylva Louise Linsdotter
full_name: Götberg, Ylva Louise Linsdotter
id: d0648d0c-0f64-11ee-a2e0-dd0faa2e4f7d
last_name: Götberg
orcid: 0000-0002-6960-6911
- first_name: Adam
full_name: Burrows, Adam
last_name: Burrows
- first_name: Selma E.
full_name: de Mink, Selma E.
last_name: de Mink
citation:
ama: Vartanyan D, Laplace E, Renzo M, Götberg YLL, Burrows A, de Mink SE. Binary-stripped
stars as core-collapse supernovae progenitors. The Astrophysical Journal Letters.
2021;916(1). doi:10.3847/2041-8213/ac0b42
apa: Vartanyan, D., Laplace, E., Renzo, M., Götberg, Y. L. L., Burrows, A., &
de Mink, S. E. (2021). Binary-stripped stars as core-collapse supernovae progenitors.
The Astrophysical Journal Letters. American Astronomical Society. https://doi.org/10.3847/2041-8213/ac0b42
chicago: Vartanyan, David, Eva Laplace, Mathieu Renzo, Ylva Louise Linsdotter Götberg,
Adam Burrows, and Selma E. de Mink. “Binary-Stripped Stars as Core-Collapse Supernovae
Progenitors.” The Astrophysical Journal Letters. American Astronomical
Society, 2021. https://doi.org/10.3847/2041-8213/ac0b42.
ieee: D. Vartanyan, E. Laplace, M. Renzo, Y. L. L. Götberg, A. Burrows, and S. E.
de Mink, “Binary-stripped stars as core-collapse supernovae progenitors,” The
Astrophysical Journal Letters, vol. 916, no. 1. American Astronomical Society,
2021.
ista: Vartanyan D, Laplace E, Renzo M, Götberg YLL, Burrows A, de Mink SE. 2021.
Binary-stripped stars as core-collapse supernovae progenitors. The Astrophysical
Journal Letters. 916(1), L5.
mla: Vartanyan, David, et al. “Binary-Stripped Stars as Core-Collapse Supernovae
Progenitors.” The Astrophysical Journal Letters, vol. 916, no. 1, L5, American
Astronomical Society, 2021, doi:10.3847/2041-8213/ac0b42.
short: D. Vartanyan, E. Laplace, M. Renzo, Y.L.L. Götberg, A. Burrows, S.E. de Mink,
The Astrophysical Journal Letters 916 (2021).
date_created: 2023-08-03T10:11:45Z
date_published: 2021-07-23T00:00:00Z
date_updated: 2023-08-21T11:37:48Z
day: '23'
doi: 10.3847/2041-8213/ac0b42
extern: '1'
external_id:
arxiv:
- '2104.03317'
intvolume: ' 916'
issue: '1'
keyword:
- Space and Planetary Science
- Astronomy and Astrophysics
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2104.03317
month: '07'
oa: 1
oa_version: Preprint
publication: The Astrophysical Journal Letters
publication_identifier:
eissn:
- 2041-8213
issn:
- 2041-8205
publication_status: published
publisher: American Astronomical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Binary-stripped stars as core-collapse supernovae progenitors
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 916
year: '2021'
...
---
_id: '13459'
abstract:
- lang: eng
text: The B emission-line stars are rapid rotators that were probably spun up by
mass and angular momentum accretion through mass transfer in an interacting binary.
Mass transfer will strip the donor star of its envelope to create a small and
hot subdwarf remnant. Here we report on Hubble Space Telescope/STIS far-ultraviolet
spectroscopy of a sample of Be stars that reveals the presence of the hot sdO
companion through the calculation of cross-correlation functions of the observed
and model spectra. We clearly detect the spectral signature of the sdO star in
10 of the 13 stars in the sample, and the spectral signals indicate that the sdO
stars are hot, relatively faint, and slowly rotating as predicted by models. A
comparison of their temperatures and radii with evolutionary tracks indicates
that the sdO stars occupy the relatively long-lived, He-core burning stage. Only
1 of the 10 detections was a known binary prior to this investigation, which emphasizes
the difficulty of finding such Be+sdO binaries through optical spectroscopy. However,
these results and others indicate that many Be stars probably host hot subdwarf
companions.
article_number: '248'
article_processing_charge: No
article_type: original
author:
- first_name: Luqian
full_name: Wang, Luqian
last_name: Wang
- first_name: Douglas R.
full_name: Gies, Douglas R.
last_name: Gies
- first_name: Geraldine J.
full_name: Peters, Geraldine J.
last_name: Peters
- first_name: Ylva Louise Linsdotter
full_name: Götberg, Ylva Louise Linsdotter
id: d0648d0c-0f64-11ee-a2e0-dd0faa2e4f7d
last_name: Götberg
orcid: 0000-0002-6960-6911
- first_name: S. Drew
full_name: Chojnowski, S. Drew
last_name: Chojnowski
- first_name: Kathryn V.
full_name: Lester, Kathryn V.
last_name: Lester
- first_name: Steve B.
full_name: Howell, Steve B.
last_name: Howell
citation:
ama: Wang L, Gies DR, Peters GJ, et al. The detection and characterization of Be+sdO
binaries from HST/STIS FUV spectroscopy. The Astronomical Journal. 2021;161(5).
doi:10.3847/1538-3881/abf144
apa: Wang, L., Gies, D. R., Peters, G. J., Götberg, Y. L. L., Chojnowski, S. D.,
Lester, K. V., & Howell, S. B. (2021). The detection and characterization
of Be+sdO binaries from HST/STIS FUV spectroscopy. The Astronomical Journal.
American Astronomical Society. https://doi.org/10.3847/1538-3881/abf144
chicago: Wang, Luqian, Douglas R. Gies, Geraldine J. Peters, Ylva Louise Linsdotter
Götberg, S. Drew Chojnowski, Kathryn V. Lester, and Steve B. Howell. “The Detection
and Characterization of Be+sdO Binaries from HST/STIS FUV Spectroscopy.” The
Astronomical Journal. American Astronomical Society, 2021. https://doi.org/10.3847/1538-3881/abf144.
ieee: L. Wang et al., “The detection and characterization of Be+sdO binaries
from HST/STIS FUV spectroscopy,” The Astronomical Journal, vol. 161, no.
5. American Astronomical Society, 2021.
ista: Wang L, Gies DR, Peters GJ, Götberg YLL, Chojnowski SD, Lester KV, Howell
SB. 2021. The detection and characterization of Be+sdO binaries from HST/STIS
FUV spectroscopy. The Astronomical Journal. 161(5), 248.
mla: Wang, Luqian, et al. “The Detection and Characterization of Be+sdO Binaries
from HST/STIS FUV Spectroscopy.” The Astronomical Journal, vol. 161, no.
5, 248, American Astronomical Society, 2021, doi:10.3847/1538-3881/abf144.
short: L. Wang, D.R. Gies, G.J. Peters, Y.L.L. Götberg, S.D. Chojnowski, K.V. Lester,
S.B. Howell, The Astronomical Journal 161 (2021).
date_created: 2023-08-03T10:11:57Z
date_published: 2021-05-04T00:00:00Z
date_updated: 2023-08-21T11:35:50Z
day: '04'
doi: 10.3847/1538-3881/abf144
extern: '1'
external_id:
arxiv:
- '2103.13642'
intvolume: ' 161'
issue: '5'
keyword:
- Space and Planetary Science
- Astronomy and Astrophysics
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2103.13642
month: '05'
oa: 1
oa_version: Preprint
publication: The Astronomical Journal
publication_identifier:
eissn:
- 1538-3881
issn:
- 0004-6256
publication_status: published
publisher: American Astronomical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: The detection and characterization of Be+sdO binaries from HST/STIS FUV spectroscopy
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 161
year: '2021'
...