---
_id: '9056'
abstract:
- lang: eng
text: "In this thesis we study persistence of multi-covers of Euclidean balls and
the geometric structures underlying their computation, in particular Delaunay
mosaics and Voronoi tessellations. The k-fold cover for some discrete input point
set consists of the space where at least k balls of radius r around the input
points overlap. Persistence is a notion that captures, in some sense, the topology
of the shape underlying the input. While persistence is usually computed for the
union of balls, the k-fold cover is of interest as it captures local density,\r\nand
thus might approximate the shape of the input better if the input data is noisy.
To compute persistence of these k-fold covers, we need a discretization that is
provided by higher-order Delaunay mosaics. We present and implement a simple and
efficient algorithm for the computation of higher-order Delaunay mosaics, and
use it to give experimental results for their combinatorial properties. The algorithm
makes use of a new geometric structure, the rhomboid tiling. It contains the higher-order
Delaunay mosaics as slices, and by introducing a filtration\r\nfunction on the
tiling, we also obtain higher-order α-shapes as slices. These allow us to compute
persistence of the multi-covers for varying radius r; the computation for varying
k is less straight-foward and involves the rhomboid tiling directly. We apply
our algorithms to experimental sphere packings to shed light on their structural
properties. Finally, inspired by periodic structures in packings and materials,
we propose and implement an algorithm for periodic Delaunay triangulations to
be integrated into the Computational Geometry Algorithms Library (CGAL), and discuss
the implications on persistence for periodic data sets."
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Georg F
full_name: Osang, Georg F
id: 464B40D6-F248-11E8-B48F-1D18A9856A87
last_name: Osang
orcid: 0000-0002-8882-5116
citation:
ama: Osang GF. Multi-cover persistence and Delaunay mosaics. 2021. doi:10.15479/AT:ISTA:9056
apa: Osang, G. F. (2021). Multi-cover persistence and Delaunay mosaics. Institute
of Science and Technology Austria, Klosterneuburg. https://doi.org/10.15479/AT:ISTA:9056
chicago: Osang, Georg F. “Multi-Cover Persistence and Delaunay Mosaics.” Institute
of Science and Technology Austria, 2021. https://doi.org/10.15479/AT:ISTA:9056.
ieee: G. F. Osang, “Multi-cover persistence and Delaunay mosaics,” Institute of
Science and Technology Austria, Klosterneuburg, 2021.
ista: 'Osang GF. 2021. Multi-cover persistence and Delaunay mosaics. Klosterneuburg:
Institute of Science and Technology Austria.'
mla: Osang, Georg F. Multi-Cover Persistence and Delaunay Mosaics. Institute
of Science and Technology Austria, 2021, doi:10.15479/AT:ISTA:9056.
short: G.F. Osang, Multi-Cover Persistence and Delaunay Mosaics, Institute of Science
and Technology Austria, 2021.
date_created: 2021-02-02T14:11:06Z
date_published: 2021-02-01T00:00:00Z
date_updated: 2023-09-07T13:29:01Z
day: '01'
ddc:
- '006'
- '514'
- '516'
degree_awarded: PhD
department:
- _id: HeEd
- _id: GradSch
doi: 10.15479/AT:ISTA:9056
file:
- access_level: closed
checksum: bcf27986147cab0533b6abadd74e7629
content_type: application/zip
creator: patrickd
date_created: 2021-02-02T14:09:25Z
date_updated: 2021-02-03T10:37:28Z
file_id: '9063'
file_name: thesis_source.zip
file_size: 13446994
relation: source_file
- access_level: open_access
checksum: 9cc8af266579a464385bbe2aff6af606
content_type: application/pdf
creator: patrickd
date_created: 2021-02-02T14:09:18Z
date_updated: 2021-02-02T14:09:18Z
file_id: '9064'
file_name: thesis_pdfA2b.pdf
file_size: 5210329
relation: main_file
success: 1
file_date_updated: 2021-02-03T10:37:28Z
has_accepted_license: '1'
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
page: '134'
place: Klosterneuburg
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '187'
relation: part_of_dissertation
status: public
- id: '8703'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Herbert
full_name: Edelsbrunner, Herbert
id: 3FB178DA-F248-11E8-B48F-1D18A9856A87
last_name: Edelsbrunner
orcid: 0000-0002-9823-6833
title: Multi-cover persistence and Delaunay mosaics
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: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '9121'
abstract:
- lang: eng
text: "We show that the energy gap for the BCS gap equation is\r\nΞ=μ(8e−2+o(1))exp(π2μ−−√a)\r\nin
the low density limit μ→0. Together with the similar result for the critical temperature
by Hainzl and Seiringer (Lett Math Phys 84: 99–107, 2008), this shows that, in
the low density limit, the ratio of the energy gap and critical temperature is
a universal constant independent of the interaction potential V. The results hold
for a class of potentials with negative scattering length a and no bound states."
acknowledgement: "Most of this work was done as part of the author’s master’s thesis.
The author would like to thank Jan Philip Solovej for his supervision of this process.\r\nOpen
Access funding provided by Institute of Science and Technology (IST Austria)"
article_number: '20'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Asbjørn Bækgaard
full_name: Lauritsen, Asbjørn Bækgaard
id: e1a2682f-dc8d-11ea-abe3-81da9ac728f1
last_name: Lauritsen
orcid: 0000-0003-4476-2288
citation:
ama: Lauritsen AB. The BCS energy gap at low density. Letters in Mathematical
Physics. 2021;111. doi:10.1007/s11005-021-01358-5
apa: Lauritsen, A. B. (2021). The BCS energy gap at low density. Letters in Mathematical
Physics. Springer Nature. https://doi.org/10.1007/s11005-021-01358-5
chicago: Lauritsen, Asbjørn Bækgaard. “The BCS Energy Gap at Low Density.” Letters
in Mathematical Physics. Springer Nature, 2021. https://doi.org/10.1007/s11005-021-01358-5.
ieee: A. B. Lauritsen, “The BCS energy gap at low density,” Letters in Mathematical
Physics, vol. 111. Springer Nature, 2021.
ista: Lauritsen AB. 2021. The BCS energy gap at low density. Letters in Mathematical
Physics. 111, 20.
mla: Lauritsen, Asbjørn Bækgaard. “The BCS Energy Gap at Low Density.” Letters
in Mathematical Physics, vol. 111, 20, Springer Nature, 2021, doi:10.1007/s11005-021-01358-5.
short: A.B. Lauritsen, Letters in Mathematical Physics 111 (2021).
date_created: 2021-02-15T09:27:14Z
date_published: 2021-02-12T00:00:00Z
date_updated: 2023-09-05T15:17:16Z
day: '12'
ddc:
- '510'
department:
- _id: GradSch
doi: 10.1007/s11005-021-01358-5
external_id:
isi:
- '000617531900001'
file:
- access_level: open_access
checksum: eaf1b3ff5026f120f0929a5c417dc842
content_type: application/pdf
creator: dernst
date_created: 2021-02-15T09:31:07Z
date_updated: 2021-02-15T09:31:07Z
file_id: '9122'
file_name: 2021_LettersMathPhysics_Lauritsen.pdf
file_size: 329332
relation: main_file
success: 1
file_date_updated: 2021-02-15T09:31:07Z
has_accepted_license: '1'
intvolume: ' 111'
isi: 1
keyword:
- Mathematical Physics
- Statistical and Nonlinear Physics
language:
- iso: eng
month: '02'
oa: 1
oa_version: Published Version
project:
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
name: IST Austria Open Access Fund
publication: Letters in Mathematical Physics
publication_identifier:
eissn:
- 1573-0530
issn:
- 0377-9017
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
status: public
title: The BCS energy gap at low density
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: c635000d-4b10-11ee-a964-aac5a93f6ac1
volume: 111
year: '2021'
...
---
_id: '9192'
abstract:
- lang: eng
text: Here are the research data underlying the publication " Effects of fine-scale
population structure on inbreeding in a long-term study of snapdragons (Antirrhinum
majus)." Further information are summed up in the README document.
article_processing_charge: No
author:
- first_name: Parvathy
full_name: Surendranadh, Parvathy
id: 455235B8-F248-11E8-B48F-1D18A9856A87
last_name: Surendranadh
- first_name: Louise S
full_name: Arathoon, Louise S
id: 2CFCFF98-F248-11E8-B48F-1D18A9856A87
last_name: Arathoon
orcid: 0000-0003-1771-714X
- first_name: Carina
full_name: Baskett, Carina
id: 3B4A7CE2-F248-11E8-B48F-1D18A9856A87
last_name: Baskett
orcid: 0000-0002-7354-8574
- first_name: David
full_name: Field, David
id: 419049E2-F248-11E8-B48F-1D18A9856A87
last_name: Field
orcid: 0000-0002-4014-8478
- first_name: Melinda
full_name: Pickup, Melinda
id: 2C78037E-F248-11E8-B48F-1D18A9856A87
last_name: Pickup
orcid: 0000-0001-6118-0541
- first_name: Nicholas H
full_name: Barton, Nicholas H
id: 4880FE40-F248-11E8-B48F-1D18A9856A87
last_name: Barton
orcid: 0000-0002-8548-5240
citation:
ama: Surendranadh P, Arathoon LS, Baskett C, Field D, Pickup M, Barton NH. Effects
of fine-scale population structure on the distribution of heterozygosity in a
long-term study of Antirrhinum majus. 2021. doi:10.15479/AT:ISTA:9192
apa: Surendranadh, P., Arathoon, L. S., Baskett, C., Field, D., Pickup, M., &
Barton, N. H. (2021). Effects of fine-scale population structure on the distribution
of heterozygosity in a long-term study of Antirrhinum majus. Institute of Science
and Technology Austria. https://doi.org/10.15479/AT:ISTA:9192
chicago: Surendranadh, Parvathy, Louise S Arathoon, Carina Baskett, David Field,
Melinda Pickup, and Nicholas H Barton. “Effects of Fine-Scale Population Structure
on the Distribution of Heterozygosity in a Long-Term Study of Antirrhinum Majus.”
Institute of Science and Technology Austria, 2021. https://doi.org/10.15479/AT:ISTA:9192.
ieee: P. Surendranadh, L. S. Arathoon, C. Baskett, D. Field, M. Pickup, and N. H.
Barton, “Effects of fine-scale population structure on the distribution of heterozygosity
in a long-term study of Antirrhinum majus.” Institute of Science and Technology
Austria, 2021.
ista: Surendranadh P, Arathoon LS, Baskett C, Field D, Pickup M, Barton NH. 2021.
Effects of fine-scale population structure on the distribution of heterozygosity
in a long-term study of Antirrhinum majus, Institute of Science and Technology
Austria, 10.15479/AT:ISTA:9192.
mla: Surendranadh, Parvathy, et al. Effects of Fine-Scale Population Structure
on the Distribution of Heterozygosity in a Long-Term Study of Antirrhinum Majus.
Institute of Science and Technology Austria, 2021, doi:10.15479/AT:ISTA:9192.
short: P. Surendranadh, L.S. Arathoon, C. Baskett, D. Field, M. Pickup, N.H. Barton,
(2021).
contributor:
- contributor_type: project_member
first_name: Parvathy
id: 455235B8-F248-11E8-B48F-1D18A9856A87
last_name: Surendranadh
- contributor_type: project_member
first_name: Louise S
id: 2CFCFF98-F248-11E8-B48F-1D18A9856A87
last_name: Arathoon
- contributor_type: project_member
first_name: Carina
id: 3B4A7CE2-F248-11E8-B48F-1D18A9856A87
last_name: Baskett
- contributor_type: project_member
first_name: David
id: 419049E2-F248-11E8-B48F-1D18A9856A87
last_name: Field
orcid: 0000-0002-4014-8478
- contributor_type: project_member
first_name: Melinda
id: 2C78037E-F248-11E8-B48F-1D18A9856A87
last_name: Pickup
orcid: 0000-0001-6118-0541
- contributor_type: project_leader
first_name: Nicholas H
id: 4880FE40-F248-11E8-B48F-1D18A9856A87
last_name: Barton
orcid: 0000-0002-8548-5240
date_created: 2021-02-24T17:49:21Z
date_published: 2021-02-26T00:00:00Z
date_updated: 2024-02-21T12:41:09Z
day: '26'
ddc:
- '576'
department:
- _id: GradSch
- _id: NiBa
doi: 10.15479/AT:ISTA:9192
file:
- access_level: open_access
checksum: f85537815809a8a4b7da9d01163f88c0
content_type: application/x-zip-compressed
creator: larathoo
date_created: 2021-02-24T17:45:13Z
date_updated: 2021-02-24T17:45:13Z
file_id: '9193'
file_name: Data_Code.zip
file_size: 5934452
relation: main_file
success: 1
file_date_updated: 2021-02-24T17:45:13Z
has_accepted_license: '1'
month: '02'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '11411'
relation: used_in_publication
status: public
- id: '11321'
relation: later_version
status: public
- id: '8254'
relation: earlier_version
status: public
status: public
title: Effects of fine-scale population structure on the distribution of heterozygosity
in a long-term study of Antirrhinum majus
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: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '9323'
abstract:
- lang: eng
text: This .zip File contains the data for figures presented in the main text and
supplementary material of "A singlet triplet hole spin qubit in planar Ge" by
D. Jirovec, et. al. The measurements were done using Labber Software and the data
is stored in the hdf5 file format. The files can be opened using either the Labber
Log Browser (https://labber.org/overview/) or Labber Python API (http://labber.org/online-doc/api/LogFile.html).
A single file is acquired with QCodes and features the corresponding data type.
XRD data are in .dat format and a code to open the data is provided. The code
for simulations is as well provided in Python.
article_processing_charge: No
author:
- first_name: Daniel
full_name: Jirovec, Daniel
id: 4C473F58-F248-11E8-B48F-1D18A9856A87
last_name: Jirovec
orcid: 0000-0002-7197-4801
citation:
ama: Jirovec D. Research data for “A singlet-triplet hole spin qubit planar Ge.”
2021. doi:10.15479/AT:ISTA:9323
apa: Jirovec, D. (2021). Research data for “A singlet-triplet hole spin qubit planar
Ge.” Institute of Science and Technology Austria. https://doi.org/10.15479/AT:ISTA:9323
chicago: Jirovec, Daniel. “Research Data for ‘A Singlet-Triplet Hole Spin Qubit
Planar Ge.’” Institute of Science and Technology Austria, 2021. https://doi.org/10.15479/AT:ISTA:9323.
ieee: D. Jirovec, “Research data for ‘A singlet-triplet hole spin qubit planar Ge.’”
Institute of Science and Technology Austria, 2021.
ista: Jirovec D. 2021. Research data for ‘A singlet-triplet hole spin qubit planar
Ge’, Institute of Science and Technology Austria, 10.15479/AT:ISTA:9323.
mla: Jirovec, Daniel. Research Data for “A Singlet-Triplet Hole Spin Qubit Planar
Ge.” Institute of Science and Technology Austria, 2021, doi:10.15479/AT:ISTA:9323.
short: D. Jirovec, (2021).
contributor:
- contributor_type: project_member
first_name: Daniel
id: 4C473F58-F248-11E8-B48F-1D18A9856A87
last_name: Jirovec
date_created: 2021-04-14T09:50:22Z
date_published: 2021-04-14T00:00:00Z
date_updated: 2024-02-21T12:39:15Z
day: '14'
ddc:
- '530'
department:
- _id: GradSch
- _id: GeKa
doi: 10.15479/AT:ISTA:9323
file:
- access_level: open_access
checksum: c569d2a2ce1694445cdbca19cf8ae023
content_type: application/x-zip-compressed
creator: djirovec
date_created: 2021-04-14T09:48:47Z
date_updated: 2021-04-14T09:48:47Z
file_id: '9324'
file_name: DataRepositorySTqubit.zip
file_size: 221832287
relation: main_file
success: 1
- access_level: open_access
checksum: 845bdf87430718ad6aff47eda7b5fc92
content_type: application/octet-stream
creator: djirovec
date_created: 2021-04-14T09:49:30Z
date_updated: 2021-04-14T09:49:30Z
file_id: '9325'
file_name: ReadMe
file_size: 4323
relation: main_file
success: 1
file_date_updated: 2021-04-14T09:49:30Z
has_accepted_license: '1'
license: https://creativecommons.org/publicdomain/zero/1.0/
month: '04'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '8909'
relation: used_in_publication
status: public
status: public
title: Research data for "A singlet-triplet hole spin qubit planar Ge"
tmp:
image: /images/cc_0.png
legal_code_url: https://creativecommons.org/publicdomain/zero/1.0/legalcode
name: Creative Commons Public Domain Dedication (CC0 1.0)
short: CC0 (1.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '9327'
abstract:
- lang: eng
text: "This archive contains the missing sweater mesh animations and displacement
models for the code of \"Mechanics-Aware Deformation of Yarn Pattern Geometry\"\r\n\r\nCode
Repository: https://git.ist.ac.at/gsperl/MADYPG"
author:
- first_name: Georg
full_name: Sperl, Georg
id: 4DD40360-F248-11E8-B48F-1D18A9856A87
last_name: Sperl
- first_name: Rahul
full_name: Narain, Rahul
last_name: Narain
- first_name: Christopher J
full_name: Wojtan, Christopher J
id: 3C61F1D2-F248-11E8-B48F-1D18A9856A87
last_name: Wojtan
orcid: 0000-0001-6646-5546
citation:
ama: Sperl G, Narain R, Wojtan C. Mechanics-Aware Deformation of Yarn Pattern Geometry
(Additional Animation/Model Data). 2021. doi:10.15479/AT:ISTA:9327
apa: Sperl, G., Narain, R., & Wojtan, C. (2021). Mechanics-Aware Deformation
of Yarn Pattern Geometry (Additional Animation/Model Data). IST Austria. https://doi.org/10.15479/AT:ISTA:9327
chicago: Sperl, Georg, Rahul Narain, and Chris Wojtan. “Mechanics-Aware Deformation
of Yarn Pattern Geometry (Additional Animation/Model Data).” IST Austria, 2021.
https://doi.org/10.15479/AT:ISTA:9327.
ieee: G. Sperl, R. Narain, and C. Wojtan, “Mechanics-Aware Deformation of Yarn Pattern
Geometry (Additional Animation/Model Data).” IST Austria, 2021.
ista: Sperl G, Narain R, Wojtan C. 2021. Mechanics-Aware Deformation of Yarn Pattern
Geometry (Additional Animation/Model Data), IST Austria, 10.15479/AT:ISTA:9327.
mla: Sperl, Georg, et al. Mechanics-Aware Deformation of Yarn Pattern Geometry
(Additional Animation/Model Data). IST Austria, 2021, doi:10.15479/AT:ISTA:9327.
short: G. Sperl, R. Narain, C. Wojtan, (2021).
date_created: 2021-04-16T14:26:19Z
date_published: 2021-05-01T00:00:00Z
date_updated: 2023-08-10T14:24:36Z
ddc:
- '005'
department:
- _id: GradSch
- _id: ChWo
doi: 10.15479/AT:ISTA:9327
file:
- access_level: open_access
checksum: 0324cb519273371708743f3282e7c081
content_type: application/zip
creator: gsperl
date_created: 2021-04-16T14:15:12Z
date_updated: 2021-04-16T14:15:12Z
file_id: '9328'
file_name: MADYPG_extra_data.zip
file_size: 802586232
relation: main_file
success: 1
- access_level: open_access
checksum: 4c224551adf852b136ec21a4e13f0c1b
content_type: application/gzip
creator: pub-gitlab-bot
date_created: 2021-04-26T09:33:44Z
date_updated: 2021-04-26T09:33:44Z
file_id: '9353'
file_name: MADYPG.zip
file_size: 64962865
relation: main_file
file_date_updated: 2021-04-26T09:33:44Z
gitlab_commit_id: 6a77e7e22769230ae5f5edaa090fb4b828e57573
gitlab_url: https://git.ist.ac.at/gsperl/MADYPG
has_accepted_license: '1'
license: https://opensource.org/licenses/MIT
month: '05'
oa: 1
publisher: IST Austria
related_material:
record:
- id: '9818'
relation: used_for_analysis_in
status: public
status: public
title: Mechanics-Aware Deformation of Yarn Pattern Geometry (Additional Animation/Model
Data)
tmp:
legal_code_url: https://opensource.org/licenses/MIT
name: The MIT License
short: MIT
type: software
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2021'
...
---
_id: '9356'
abstract:
- lang: eng
text: 'In runtime verification, a monitor watches a trace of a system and, if possible,
decides after observing each finite prefix whether or not the unknown infinite
trace satisfies a given specification. We generalize the theory of runtime verification
to monitors that attempt to estimate numerical values of quantitative trace properties
(instead of attempting to conclude boolean values of trace specifications), such
as maximal or average response time along a trace. Quantitative monitors are approximate:
with every finite prefix, they can improve their estimate of the infinite trace''s
unknown property value. Consequently, quantitative monitors can be compared with
regard to a precision-cost trade-off: better approximations of the property value
require more monitor resources, such as states (in the case of finite-state monitors)
or registers, and additional resources yield better approximations. We introduce
a formal framework for quantitative and approximate monitoring, show how it conservatively
generalizes the classical boolean setting for monitoring, and give several precision-cost
trade-offs for monitors. For example, we prove that there are quantitative properties
for which every additional register improves monitoring precision.'
acknowledgement: We thank the anonymous reviewers for their helpful comments. This
research was supported in part by the Austrian Science Fund (FWF) under grant Z211-N23
(Wittgenstein Award).
article_number: '9470547'
article_processing_charge: No
arxiv: 1
author:
- first_name: Thomas A
full_name: Henzinger, Thomas A
id: 40876CD8-F248-11E8-B48F-1D18A9856A87
last_name: Henzinger
orcid: 0000-0002-2985-7724
- first_name: Naci E
full_name: Sarac, Naci E
id: 8C6B42F8-C8E6-11E9-A03A-F2DCE5697425
last_name: Sarac
citation:
ama: 'Henzinger TA, Sarac NE. Quantitative and approximate monitoring. In: Proceedings
of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science. Institute
of Electrical and Electronics Engineers; 2021. doi:10.1109/LICS52264.2021.9470547'
apa: 'Henzinger, T. A., & Sarac, N. E. (2021). Quantitative and approximate
monitoring. In Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in
Computer Science. Online: Institute of Electrical and Electronics Engineers.
https://doi.org/10.1109/LICS52264.2021.9470547'
chicago: Henzinger, Thomas A, and Naci E Sarac. “Quantitative and Approximate Monitoring.”
In Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science.
Institute of Electrical and Electronics Engineers, 2021. https://doi.org/10.1109/LICS52264.2021.9470547.
ieee: T. A. Henzinger and N. E. Sarac, “Quantitative and approximate monitoring,”
in Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science,
Online, 2021.
ista: 'Henzinger TA, Sarac NE. 2021. Quantitative and approximate monitoring. Proceedings
of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science. LICS: Symposium
on Logic in Computer Science, 9470547.'
mla: Henzinger, Thomas A., and Naci E. Sarac. “Quantitative and Approximate Monitoring.”
Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science,
9470547, Institute of Electrical and Electronics Engineers, 2021, doi:10.1109/LICS52264.2021.9470547.
short: T.A. Henzinger, N.E. Sarac, in:, Proceedings of the 36th Annual ACM/IEEE
Symposium on Logic in Computer Science, Institute of Electrical and Electronics
Engineers, 2021.
conference:
end_date: 2021-07-02
location: Online
name: 'LICS: Symposium on Logic in Computer Science'
start_date: 2021-06-29
date_created: 2021-04-30T17:30:47Z
date_published: 2021-06-29T00:00:00Z
date_updated: 2023-08-08T13:52:56Z
day: '29'
ddc:
- '000'
department:
- _id: GradSch
- _id: ToHe
doi: 10.1109/LICS52264.2021.9470547
external_id:
arxiv:
- '2105.08353'
isi:
- '000947350400021'
file:
- access_level: open_access
checksum: 6e4cba3f72775f479c5b1b75d1a4a0c4
content_type: application/pdf
creator: esarac
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date_updated: 2021-06-16T08:23:54Z
file_id: '9557'
file_name: qam.pdf
file_size: 641990
relation: main_file
success: 1
file_date_updated: 2021-06-16T08:23:54Z
has_accepted_license: '1'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: Z211
name: The Wittgenstein Prize
publication: Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer
Science
publication_status: published
publisher: Institute of Electrical and Electronics Engineers
quality_controlled: '1'
scopus_import: '1'
status: public
title: Quantitative and approximate monitoring
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '9387'
abstract:
- lang: eng
text: We report the complete analysis of a deterministic model of deleterious mutations
and negative selection against them at two haploid loci without recombination.
As long as mutation is a weaker force than selection, mutant alleles remain rare
at the only stable equilibrium, and otherwise, a variety of dynamics are possible.
If the mutation-free genotype is absent, generally the only stable equilibrium
is the one that corresponds to fixation of the mutant allele at the locus where
it is less deleterious. This result suggests that fixation of a deleterious allele
that follows a click of the Muller’s ratchet is governed by natural selection,
instead of random drift.
acknowledgement: This work was supported by the Russian Science Foundation grant N
16-14-10173.
article_number: '110729'
article_processing_charge: No
article_type: original
author:
- first_name: Kseniia
full_name: Khudiakova, Kseniia
id: 4E6DC800-AE37-11E9-AC72-31CAE5697425
last_name: Khudiakova
orcid: 0000-0002-6246-1465
- first_name: Tatiana Yu.
full_name: Neretina, Tatiana Yu.
last_name: Neretina
- first_name: Alexey S.
full_name: Kondrashov, Alexey S.
last_name: Kondrashov
citation:
ama: Khudiakova K, Neretina TY, Kondrashov AS. Two linked loci under mutation-selection
balance and Muller’s ratchet. Journal of Theoretical Biology. 2021;524.
doi:10.1016/j.jtbi.2021.110729
apa: Khudiakova, K., Neretina, T. Y., & Kondrashov, A. S. (2021). Two linked
loci under mutation-selection balance and Muller’s ratchet. Journal of Theoretical
Biology. Elsevier . https://doi.org/10.1016/j.jtbi.2021.110729
chicago: Khudiakova, Kseniia, Tatiana Yu. Neretina, and Alexey S. Kondrashov. “Two
Linked Loci under Mutation-Selection Balance and Muller’s Ratchet.” Journal
of Theoretical Biology. Elsevier , 2021. https://doi.org/10.1016/j.jtbi.2021.110729.
ieee: K. Khudiakova, T. Y. Neretina, and A. S. Kondrashov, “Two linked loci under
mutation-selection balance and Muller’s ratchet,” Journal of Theoretical Biology,
vol. 524. Elsevier , 2021.
ista: Khudiakova K, Neretina TY, Kondrashov AS. 2021. Two linked loci under mutation-selection
balance and Muller’s ratchet. Journal of Theoretical Biology. 524, 110729.
mla: Khudiakova, Kseniia, et al. “Two Linked Loci under Mutation-Selection Balance
and Muller’s Ratchet.” Journal of Theoretical Biology, vol. 524, 110729,
Elsevier , 2021, doi:10.1016/j.jtbi.2021.110729.
short: K. Khudiakova, T.Y. Neretina, A.S. Kondrashov, Journal of Theoretical Biology
524 (2021).
date_created: 2021-05-12T05:58:42Z
date_published: 2021-04-24T00:00:00Z
date_updated: 2023-08-08T13:32:40Z
day: '24'
department:
- _id: GradSch
doi: 10.1016/j.jtbi.2021.110729
external_id:
isi:
- '000659161500002'
intvolume: ' 524'
isi: 1
keyword:
- General Biochemistry
- Genetics and Molecular Biology
- Modelling and Simulation
- Statistics and Probability
- General Immunology and Microbiology
- Applied Mathematics
- General Agricultural and Biological Sciences
- General Medicine
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.biorxiv.org/content/10.1101/477489v1
month: '04'
oa: 1
oa_version: Preprint
publication: Journal of Theoretical Biology
publication_identifier:
issn:
- 0022-5193
publication_status: published
publisher: 'Elsevier '
quality_controlled: '1'
status: public
title: Two linked loci under mutation-selection balance and Muller’s ratchet
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 524
year: '2021'
...
---
_id: '9389'
abstract:
- lang: eng
text: "This .zip File contains the transport data for \"Non-topological zero bias
peaks in full-shell nanowires induced by flux tunable Andreev states\" by M. Valentini,
et. al. \r\nThe measurements were done using Labber Software and the data is
stored in the hdf5 file format.\r\nInstructions of how to read the data are in
\"Notebook_Valentini.pdf\"."
acknowledged_ssus:
- _id: NanoFab
article_processing_charge: No
author:
- first_name: Marco
full_name: Valentini, Marco
id: C0BB2FAC-D767-11E9-B658-BC13E6697425
last_name: Valentini
citation:
ama: Valentini M. Research data for “Non-topological zero bias peaks in full-shell
nanowires induced by flux tunable Andreev states.” 2021. doi:10.15479/AT:ISTA:9389
apa: Valentini, M. (2021). Research data for “Non-topological zero bias peaks in
full-shell nanowires induced by flux tunable Andreev states.” Institute of Science
and Technology Austria. https://doi.org/10.15479/AT:ISTA:9389
chicago: Valentini, Marco. “Research Data for ‘Non-Topological Zero Bias Peaks in
Full-Shell Nanowires Induced by Flux Tunable Andreev States.’” Institute of Science
and Technology Austria, 2021. https://doi.org/10.15479/AT:ISTA:9389.
ieee: M. Valentini, “Research data for ‘Non-topological zero bias peaks in full-shell
nanowires induced by flux tunable Andreev states.’” Institute of Science and Technology
Austria, 2021.
ista: Valentini M. 2021. Research data for ‘Non-topological zero bias peaks in full-shell
nanowires induced by flux tunable Andreev states’, Institute of Science and Technology
Austria, 10.15479/AT:ISTA:9389.
mla: Valentini, Marco. Research Data for “Non-Topological Zero Bias Peaks in
Full-Shell Nanowires Induced by Flux Tunable Andreev States.” Institute of
Science and Technology Austria, 2021, doi:10.15479/AT:ISTA:9389.
short: M. Valentini, (2021).
contributor:
- contributor_type: contact_person
first_name: Marco
id: C0BB2FAC-D767-11E9-B658-BC13E6697425
last_name: Valentini
date_created: 2021-05-14T12:07:53Z
date_published: 2021-01-01T00:00:00Z
date_updated: 2024-02-21T12:40:09Z
ddc:
- '530'
department:
- _id: GradSch
- _id: GeKa
doi: 10.15479/AT:ISTA:9389
file:
- access_level: open_access
checksum: 80a905c4eef24dab6fb247e81a3d67f5
content_type: application/pdf
creator: mvalenti
date_created: 2021-05-14T11:42:23Z
date_updated: 2021-05-14T11:42:23Z
file_id: '9390'
file_name: Notebook_Valentini.pdf
file_size: 10572981
relation: main_file
- access_level: open_access
checksum: 1e61a7e63949448a8db0091cdac23570
content_type: application/x-zip-compressed
creator: mvalenti
date_created: 2021-05-14T11:56:48Z
date_updated: 2021-05-14T11:56:48Z
file_id: '9391'
file_name: Experimental_data.zip
file_size: 99076111
relation: main_file
file_date_updated: 2021-05-14T11:56:48Z
has_accepted_license: '1'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '8910'
relation: used_in_publication
status: public
status: public
title: Research data for "Non-topological zero bias peaks in full-shell nanowires
induced by flux tunable Andreev states"
tmp:
image: /images/cc_0.png
legal_code_url: https://creativecommons.org/publicdomain/zero/1.0/legalcode
name: Creative Commons Public Domain Dedication (CC0 1.0)
short: CC0 (1.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '9397'
abstract:
- lang: eng
text: Accumulation of interstitial fluid (IF) between embryonic cells is a common
phenomenon in vertebrate embryogenesis. Unlike other model systems, where these
accumulations coalesce into a large central cavity – the blastocoel, in zebrafish,
IF is more uniformly distributed between the deep cells (DC) before the onset
of gastrulation. This is likely due to the presence of a large extraembryonic
structure – the yolk cell (YC) at the position where the blastocoel typically
forms in other model organisms. IF has long been speculated to play a role in
tissue morphogenesis during embryogenesis, but direct evidence supporting such
function is still sparse. Here we show that the relocalization of IF to the interface
between the YC and DC/epiblast is critical for axial mesendoderm (ME) cell protrusion
formation and migration along this interface, a key process in embryonic axis
formation. We further demonstrate that axial ME cell migration and IF relocalization
engage in a positive feedback loop, where axial ME migration triggers IF accumulation
ahead of the advancing axial ME tissue by mechanically compressing the overlying
epiblast cell layer. Upon compression, locally induced flow relocalizes the IF
through the porous epiblast tissue resulting in an IF accumulation ahead of the
leading axial ME. This IF accumulation, in turn, promotes cell protrusion formation
and migration of the leading axial ME cells, thereby facilitating axial ME extension.
Our findings reveal a central role of dynamic IF relocalization in orchestrating
germ layer morphogenesis during gastrulation.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Karla
full_name: Huljev, Karla
id: 44C6F6A6-F248-11E8-B48F-1D18A9856A87
last_name: Huljev
citation:
ama: Huljev K. Coordinated spatiotemporal reorganization of interstitial fluid is
required for axial mesendoderm migration in zebrafish gastrulation. 2021. doi:10.15479/at:ista:9397
apa: Huljev, K. (2021). Coordinated spatiotemporal reorganization of interstitial
fluid is required for axial mesendoderm migration in zebrafish gastrulation.
Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:9397
chicago: Huljev, Karla. “Coordinated Spatiotemporal Reorganization of Interstitial
Fluid Is Required for Axial Mesendoderm Migration in Zebrafish Gastrulation.”
Institute of Science and Technology Austria, 2021. https://doi.org/10.15479/at:ista:9397.
ieee: K. Huljev, “Coordinated spatiotemporal reorganization of interstitial fluid
is required for axial mesendoderm migration in zebrafish gastrulation,” Institute
of Science and Technology Austria, 2021.
ista: Huljev K. 2021. Coordinated spatiotemporal reorganization of interstitial
fluid is required for axial mesendoderm migration in zebrafish gastrulation. Institute
of Science and Technology Austria.
mla: Huljev, Karla. Coordinated Spatiotemporal Reorganization of Interstitial
Fluid Is Required for Axial Mesendoderm Migration in Zebrafish Gastrulation.
Institute of Science and Technology Austria, 2021, doi:10.15479/at:ista:9397.
short: K. Huljev, Coordinated Spatiotemporal Reorganization of Interstitial Fluid
Is Required for Axial Mesendoderm Migration in Zebrafish Gastrulation, Institute
of Science and Technology Austria, 2021.
date_created: 2021-05-17T12:31:30Z
date_published: 2021-05-18T00:00:00Z
date_updated: 2023-09-07T13:32:32Z
day: '18'
ddc:
- '571'
degree_awarded: PhD
department:
- _id: CaHe
- _id: GradSch
doi: 10.15479/at:ista:9397
file:
- access_level: closed
checksum: 7f98532f5324a0b2f3fa8de2967baa19
content_type: application/vnd.openxmlformats-officedocument.wordprocessingml.document
creator: khuljev
date_created: 2021-05-17T12:29:12Z
date_updated: 2022-05-21T22:30:04Z
embargo_to: open_access
file_id: '9398'
file_name: KHuljev_Thesis_corrections.docx
file_size: 47799741
relation: source_file
- access_level: open_access
checksum: bf512f8a1e572a543778fc4b227c01ba
content_type: application/pdf
creator: khuljev
date_created: 2021-05-18T14:50:28Z
date_updated: 2022-05-21T22:30:04Z
embargo: 2022-05-20
file_id: '9401'
file_name: new_KHuljev_Thesis_corrections.pdf
file_size: 16542131
relation: main_file
file_date_updated: 2022-05-21T22:30:04Z
has_accepted_license: '1'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: '101'
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
status: public
supervisor:
- 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
title: Coordinated spatiotemporal reorganization of interstitial fluid is required
for axial mesendoderm migration in zebrafish gastrulation
type: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '9402'
abstract:
- lang: eng
text: Direct and indirect reciprocity are key mechanisms for the evolution of cooperation.
Direct reciprocity means that individuals use their own experience to decide whether
to cooperate with another person. Indirect reciprocity means that they also consider
the experiences of others. Although these two mechanisms are intertwined, they
are typically studied in isolation. Here, we introduce a mathematical framework
that allows us to explore both kinds of reciprocity simultaneously. We show that
the well-known ‘generous tit-for-tat’ strategy of direct reciprocity has a natural
analogue in indirect reciprocity, which we call ‘generous scoring’. Using an equilibrium
analysis, we characterize under which conditions either of the two strategies
can maintain cooperation. With simulations, we additionally explore which kind
of reciprocity evolves when members of a population engage in social learning
to adapt to their environment. Our results draw unexpected connections between
direct and indirect reciprocity while highlighting important differences regarding
their evolvability.
acknowledgement: 'This work was supported by the European Research Council CoG 863818
(ForM-SMArt) (to K.C.), the European Research Council Start Grant 279307: Graph
Games (to K.C.), and the European Research Council Starting Grant 850529: E-DIRECT
(to C.H.). The funders had no role in study design, data collection and analysis,
decision to publish or preparation of the manuscript.'
article_processing_charge: No
article_type: original
author:
- first_name: Laura
full_name: Schmid, Laura
id: 38B437DE-F248-11E8-B48F-1D18A9856A87
last_name: Schmid
orcid: 0000-0002-6978-7329
- first_name: Krishnendu
full_name: Chatterjee, Krishnendu
id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
last_name: Chatterjee
orcid: 0000-0002-4561-241X
- first_name: Christian
full_name: Hilbe, Christian
id: 2FDF8F3C-F248-11E8-B48F-1D18A9856A87
last_name: Hilbe
orcid: 0000-0001-5116-955X
- first_name: Martin A.
full_name: Nowak, Martin A.
last_name: Nowak
citation:
ama: Schmid L, Chatterjee K, Hilbe C, Nowak MA. A unified framework of direct and
indirect reciprocity. Nature Human Behaviour. 2021;5(10):1292–1302. doi:10.1038/s41562-021-01114-8
apa: Schmid, L., Chatterjee, K., Hilbe, C., & Nowak, M. A. (2021). A unified
framework of direct and indirect reciprocity. Nature Human Behaviour. Springer
Nature. https://doi.org/10.1038/s41562-021-01114-8
chicago: Schmid, Laura, Krishnendu Chatterjee, Christian Hilbe, and Martin A. Nowak.
“A Unified Framework of Direct and Indirect Reciprocity.” Nature Human Behaviour.
Springer Nature, 2021. https://doi.org/10.1038/s41562-021-01114-8.
ieee: L. Schmid, K. Chatterjee, C. Hilbe, and M. A. Nowak, “A unified framework
of direct and indirect reciprocity,” Nature Human Behaviour, vol. 5, no.
10. Springer Nature, pp. 1292–1302, 2021.
ista: Schmid L, Chatterjee K, Hilbe C, Nowak MA. 2021. A unified framework of direct
and indirect reciprocity. Nature Human Behaviour. 5(10), 1292–1302.
mla: Schmid, Laura, et al. “A Unified Framework of Direct and Indirect Reciprocity.”
Nature Human Behaviour, vol. 5, no. 10, Springer Nature, 2021, pp. 1292–1302,
doi:10.1038/s41562-021-01114-8.
short: L. Schmid, K. Chatterjee, C. Hilbe, M.A. Nowak, Nature Human Behaviour 5
(2021) 1292–1302.
date_created: 2021-05-18T16:56:57Z
date_published: 2021-05-13T00:00:00Z
date_updated: 2025-07-14T09:10:09Z
day: '13'
ddc:
- '000'
department:
- _id: KrCh
- _id: GradSch
doi: 10.1038/s41562-021-01114-8
ec_funded: 1
external_id:
isi:
- '000650304000002'
pmid:
- '33986519'
file:
- access_level: open_access
checksum: 34f55e173f90dc1dab731063458ac780
content_type: application/pdf
creator: dernst
date_created: 2023-11-07T08:27:23Z
date_updated: 2023-11-07T08:27:23Z
file_id: '14496'
file_name: 2021_NatureHumanBehaviour_Schmid_accepted.pdf
file_size: 5232761
relation: main_file
success: 1
file_date_updated: 2023-11-07T08:27:23Z
has_accepted_license: '1'
intvolume: ' 5'
isi: 1
issue: '10'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Submitted Version
page: 1292–1302
pmid: 1
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
- _id: 2581B60A-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '279307'
name: 'Quantitative Graph Games: Theory and Applications'
publication: Nature Human Behaviour
publication_identifier:
eissn:
- 2397-3374
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/the-emergence-of-cooperation/
record:
- id: '10293'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: A unified framework of direct and indirect reciprocity
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 5
year: '2021'
...
---
_id: '9403'
abstract:
- lang: eng
text: Optimal decision making requires individuals to know their available options
and to anticipate correctly what consequences these options have. In many social
interactions, however, we refrain from gathering all relevant information, even
if this information would help us make better decisions and is costless to obtain.
This chapter examines several examples of “deliberate ignorance.” Two simple models
are proposed to illustrate how ignorance can evolve among self-interested and
payoff - maximizing individuals, and open problems are highlighted that lie ahead
for future research to explore.
article_processing_charge: No
author:
- first_name: Laura
full_name: Schmid, Laura
id: 38B437DE-F248-11E8-B48F-1D18A9856A87
last_name: Schmid
orcid: 0000-0002-6978-7329
- first_name: Christian
full_name: Hilbe, Christian
last_name: Hilbe
citation:
ama: 'Schmid L, Hilbe C. The evolution of strategic ignorance in strategic interaction.
In: Hertwig R, Engel C, eds. Deliberate Ignorance: Choosing Not To Know.
Vol 29. Strüngmann Forum Reports. MIT Press; 2021:139-152.'
apa: 'Schmid, L., & Hilbe, C. (2021). The evolution of strategic ignorance in
strategic interaction. In R. Hertwig & C. Engel (Eds.), Deliberate Ignorance:
Choosing Not To Know (Vol. 29, pp. 139–152). MIT Press.'
chicago: 'Schmid, Laura, and Christian Hilbe. “The Evolution of Strategic Ignorance
in Strategic Interaction.” In Deliberate Ignorance: Choosing Not To Know,
edited by Ralph Hertwig and Christoph Engel, 29:139–52. Strüngmann Forum Reports.
MIT Press, 2021.'
ieee: 'L. Schmid and C. Hilbe, “The evolution of strategic ignorance in strategic
interaction,” in Deliberate Ignorance: Choosing Not To Know, vol. 29, R.
Hertwig and C. Engel, Eds. MIT Press, 2021, pp. 139–152.'
ista: 'Schmid L, Hilbe C. 2021.The evolution of strategic ignorance in strategic
interaction. In: Deliberate Ignorance: Choosing Not To Know. vol. 29, 139–152.'
mla: 'Schmid, Laura, and Christian Hilbe. “The Evolution of Strategic Ignorance
in Strategic Interaction.” Deliberate Ignorance: Choosing Not To Know,
edited by Ralph Hertwig and Christoph Engel, vol. 29, MIT Press, 2021, pp. 139–52.'
short: 'L. Schmid, C. Hilbe, in:, R. Hertwig, C. Engel (Eds.), Deliberate Ignorance:
Choosing Not To Know, MIT Press, 2021, pp. 139–152.'
date_created: 2021-05-19T12:25:42Z
date_published: 2021-03-01T00:00:00Z
date_updated: 2023-02-23T13:57:04Z
day: '01'
department:
- _id: GradSch
- _id: KrCh
editor:
- first_name: Ralph
full_name: Hertwig, Ralph
last_name: Hertwig
- first_name: Christoph
full_name: Engel, Christoph
last_name: Engel
intvolume: ' 29'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://esforum.de/publications/PDFs/sfr29/SFR29_09_Hilbe%20and%20Schmid.pdf
month: '03'
oa: 1
oa_version: Published Version
page: 139-152
publication: 'Deliberate Ignorance: Choosing Not To Know'
publication_identifier:
isbn:
- 978-0-262-04559-9
publisher: MIT Press
quality_controlled: '1'
series_title: Strüngmann Forum Reports
status: public
title: The evolution of strategic ignorance in strategic interaction
type: book_chapter
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 29
year: '2021'
...
---
_id: '6995'
abstract:
- lang: eng
text: Human brain organoids represent a powerful tool for the study of human neurological
diseases particularly those that impact brain growth and structure. However, many
neurological diseases lack obvious anatomical abnormalities, yet significantly
impact neural network functions, raising the question of whether organoids possess
sufficient neural network architecture and complexity to model these conditions.
Here, we explore the network level functions of brain organoids using calcium
sensor imaging and extracellular recording approaches that together reveal the
existence of complex oscillatory network behaviors reminiscent of intact brain
preparations. We further demonstrate strikingly abnormal epileptiform network
activity in organoids derived from a Rett Syndrome patient despite only modest
anatomical differences from isogenically matched controls, and rescue with an
unconventional neuromodulatory drug Pifithrin-α. Together, these findings provide
an essential foundation for the utilization of human brain organoids to study
intact and disordered human brain network formation and illustrate their utility
in therapeutic discovery.
acknowledgement: We thank S. Butler, T. Carmichael and members of the laboratory of
B.G.N. for helpful discussions and comments on the manuscript; N. Vishlaghi and
F. Turcios-Hernandez for technical assistance, and J. Lee, S.-K. Lee, H. Shinagawa
and K. Yoshikawa for valuable reagents. We also thank the UCLA Eli and Edythe Broad
Stem Cell Research Center (BSCRC) and Intellectual and Developmental Disabilities
Research Center microscopy cores for access to imaging facilities. This work was
supported by grants from the California Institute for Regenerative Medicine (CIRM)
(DISC1-08819 to B.G.N.), the National Institute of Health (R01NS089817, R01DA051897
and P50HD103557 to B.G.N.; K08NS119747 to R.A.S.; K99HD096105 to M.W.; R01MH123922,
R01MH121521 and P50HD103557 to M.J.G.; R01GM099134 to K.P.; R01NS103788 to W.E.L.;
R01NS088571 to J.M.P.; R01NS030549 and R01AG050474 to I.M.), and research awards
from the UCLA Jonsson Comprehensive Cancer Center and BSCRC Ablon Scholars Program
(to B.G.N.), the BSCRC Innovation Program (to B.G.N., K.P. and W.E.L.), the UCLA
BSCRC Steffy Brain Aging Research Fund (to B.G.N. and W.E.L.) and the UCLA Clinical
and Translational Science Institute (to B.G.N.), Paul Allen Family Foundation Frontiers
Group (to K.P. and W.E.L.), the March of Dimes Foundation (to W.E.L.) and the Simons
Foundation Autism Research Initiative Bridge to Independence Program (to R.A.S.
and M.J.G.). R.A.S. was also supported by the UCLA/NINDS Translational Neuroscience
Training Grant (R25NS065723), a Research and Training Fellowship from the American
Epilepsy Society, a Taking Flight Award from CURE Epilepsy and a Clinician Scientist
training award from the UCLA BSCRC. J.E.B. was supported by the UCLA BSCRC Rose
Hills Foundation Graduate Scholarship Training Program. M.W. was supported by postdoctoral
training awards provided by the UCLA BSCRC and the Uehara Memorial Foundation. O.A.M.
and A.K. were supported in part by the UCLA-California State University Northridge
CIRM-Bridges training program (EDUC2-08411). We also acknowledge the support of
the IDDRC Cells, Circuits and Systems Analysis, Microscopy and Genetics and Genomics
Cores of the Semel Institute of Neuroscience at UCLA, which are supported by the
NICHD (U54HD087101 and P50HD10355701). We lastly acknowledge support from a Quantitative
and Computational Biosciences Collaboratory Postdoctoral Fellowship to S.M. and
the Quantitative and Computational Biosciences Collaboratory community, directed
by M. Pellegrini.
alternative_title:
- Nature Neuroscience
article_processing_charge: Yes
author:
- first_name: Ranmal A.
full_name: Samarasinghe, Ranmal A.
last_name: Samarasinghe
- first_name: Osvaldo
full_name: Miranda, Osvaldo
id: 862A3C56-A8BF-11E9-B4FA-D9E3E5697425
last_name: Miranda
orcid: 0000-0001-6618-6889
- first_name: Jessie E.
full_name: Buth, Jessie E.
last_name: Buth
- first_name: Simon
full_name: Mitchell, Simon
last_name: Mitchell
- first_name: Isabella
full_name: Ferando, Isabella
last_name: Ferando
- first_name: Momoko
full_name: Watanabe, Momoko
last_name: Watanabe
- first_name: Arinnae
full_name: Kurdian, Arinnae
last_name: Kurdian
- first_name: Peyman
full_name: Golshani, Peyman
last_name: Golshani
- first_name: Kathrin
full_name: Plath, Kathrin
last_name: Plath
- first_name: William E.
full_name: Lowry, William E.
last_name: Lowry
- first_name: Jack M.
full_name: Parent, Jack M.
last_name: Parent
- first_name: Istvan
full_name: Mody, Istvan
last_name: Mody
- first_name: Bennett G.
full_name: Novitch, Bennett G.
last_name: Novitch
citation:
ama: Samarasinghe RA, Miranda O, Buth JE, et al. Identification of Neural Oscillations
and Epileptiform Changes in Human Brain Organoids. Vol 24. Springer Nature;
2021. doi:10.1038/s41593-021-00906-5
apa: Samarasinghe, R. A., Miranda, O., Buth, J. E., Mitchell, S., Ferando, I., Watanabe,
M., … Novitch, B. G. (2021). Identification of neural oscillations and epileptiform
changes in human brain organoids (Vol. 24). Springer Nature. https://doi.org/10.1038/s41593-021-00906-5
chicago: Samarasinghe, Ranmal A., Osvaldo Miranda, Jessie E. Buth, Simon Mitchell,
Isabella Ferando, Momoko Watanabe, Arinnae Kurdian, et al. Identification of
Neural Oscillations and Epileptiform Changes in Human Brain Organoids. Vol.
24. Springer Nature, 2021. https://doi.org/10.1038/s41593-021-00906-5.
ieee: R. A. Samarasinghe et al., Identification of neural oscillations
and epileptiform changes in human brain organoids, vol. 24. Springer Nature,
2021.
ista: Samarasinghe RA, Miranda O, Buth JE, Mitchell S, Ferando I, Watanabe M, Kurdian
A, Golshani P, Plath K, Lowry WE, Parent JM, Mody I, Novitch BG. 2021. Identification
of neural oscillations and epileptiform changes in human brain organoids, Springer
Nature, 32p.
mla: Samarasinghe, Ranmal A., et al. Identification of Neural Oscillations and
Epileptiform Changes in Human Brain Organoids. Vol. 24, Springer Nature, 2021,
doi:10.1038/s41593-021-00906-5.
short: R.A. Samarasinghe, O. Miranda, J.E. Buth, S. Mitchell, I. Ferando, M. Watanabe,
A. Kurdian, P. Golshani, K. Plath, W.E. Lowry, J.M. Parent, I. Mody, B.G. Novitch,
Identification of Neural Oscillations and Epileptiform Changes in Human Brain
Organoids, Springer Nature, 2021.
date_created: 2019-11-10T11:23:58Z
date_published: 2021-08-23T00:00:00Z
date_updated: 2023-08-04T10:49:44Z
day: '23'
department:
- _id: GradSch
- _id: SiHi
doi: 10.1038/s41593-021-00906-5
external_id:
isi:
- '000687516300001'
pmid:
- '34426698 '
intvolume: ' 24'
isi: 1
language:
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main_file_link:
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url: https://doi.org/10.1038/s41593-021-00906-5
month: '08'
oa: 1
oa_version: Published Version
page: '32'
pmid: 1
publication_identifier:
eissn:
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issn:
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publication_status: published
publisher: Springer Nature
status: public
title: Identification of neural oscillations and epileptiform changes in human brain
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type: technical_report
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
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year: '2021'
...
---
_id: '14278'
abstract:
- lang: eng
text: 'The Birkhoff conjecture says that the boundary of a strictly convex integrable
billiard table is necessarily an ellipse. In this article, we consider a stronger
notion of integrability, namely, integrability close to the boundary, and prove
a local version of this conjecture: a small perturbation of almost every ellipse
that preserves integrability near the boundary, is itself an ellipse. We apply
this result to study local spectral rigidity of ellipses using the connection
between the wave trace of the Laplacian and the dynamics near the boundary and
establish rigidity for almost all of them.'
article_number: '2111.12171'
article_processing_charge: No
arxiv: 1
author:
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full_name: Koval, Illya
id: 2eed1f3b-896a-11ed-bdf8-93c7c4bf159e
last_name: Koval
citation:
ama: Koval I. Local strong Birkhoff conjecture and local spectral rigidity of almost
every ellipse. arXiv. doi:10.48550/ARXIV.2111.12171
apa: Koval, I. (n.d.). Local strong Birkhoff conjecture and local spectral rigidity
of almost every ellipse. arXiv. https://doi.org/10.48550/ARXIV.2111.12171
chicago: Koval, Illya. “Local Strong Birkhoff Conjecture and Local Spectral Rigidity
of Almost Every Ellipse.” ArXiv, n.d. https://doi.org/10.48550/ARXIV.2111.12171.
ieee: I. Koval, “Local strong Birkhoff conjecture and local spectral rigidity of
almost every ellipse,” arXiv. .
ista: Koval I. Local strong Birkhoff conjecture and local spectral rigidity of almost
every ellipse. arXiv, 2111.12171.
mla: Koval, Illya. “Local Strong Birkhoff Conjecture and Local Spectral Rigidity
of Almost Every Ellipse.” ArXiv, 2111.12171, doi:10.48550/ARXIV.2111.12171.
short: I. Koval, ArXiv (n.d.).
date_created: 2023-09-06T08:35:43Z
date_published: 2021-11-23T00:00:00Z
date_updated: 2023-09-15T06:44:00Z
day: '23'
department:
- _id: GradSch
doi: 10.48550/ARXIV.2111.12171
external_id:
arxiv:
- '2111.12171'
language:
- iso: eng
main_file_link:
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month: '11'
oa: 1
oa_version: Preprint
publication: arXiv
publication_status: submitted
status: public
title: Local strong Birkhoff conjecture and local spectral rigidity of almost every
ellipse
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '10007'
abstract:
- lang: eng
text: The present thesis is concerned with the derivation of weak-strong uniqueness
principles for curvature driven interface evolution problems not satisfying a
comparison principle. The specific examples being treated are two-phase Navier-Stokes
flow with surface tension, modeling the evolution of two incompressible, viscous
and immiscible fluids separated by a sharp interface, and multiphase mean curvature
flow, which serves as an idealized model for the motion of grain boundaries in
an annealing polycrystalline material. Our main results - obtained in joint works
with Julian Fischer, Tim Laux and Theresa M. Simon - state that prior to the formation
of geometric singularities due to topology changes, the weak solution concept
of Abels (Interfaces Free Bound. 9, 2007) to two-phase Navier-Stokes flow with
surface tension and the weak solution concept of Laux and Otto (Calc. Var. Partial
Differential Equations 55, 2016) to multiphase mean curvature flow (for networks
in R^2 or double bubbles in R^3) represents the unique solution to these interface
evolution problems within the class of classical solutions, respectively. To the
best of the author's knowledge, for interface evolution problems not admitting
a geometric comparison principle the derivation of a weak-strong uniqueness principle
represented an open problem, so that the works contained in the present thesis
constitute the first positive results in this direction. The key ingredient of
our approach consists of the introduction of a novel concept of relative entropies
for a class of curvature driven interface evolution problems, for which the associated
energy contains an interfacial contribution being proportional to the surface
area of the evolving (network of) interface(s). The interfacial part of the relative
entropy gives sufficient control on the interface error between a weak and a classical
solution, and its time evolution can be computed, at least in principle, for any
energy dissipating weak solution concept. A resulting stability estimate for the
relative entropy essentially entails the above mentioned weak-strong uniqueness
principles. The present thesis contains a detailed introduction to our relative
entropy approach, which in particular highlights potential applications to other
problems in curvature driven interface evolution not treated in this thesis.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Sebastian
full_name: Hensel, Sebastian
id: 4D23B7DA-F248-11E8-B48F-1D18A9856A87
last_name: Hensel
orcid: 0000-0001-7252-8072
citation:
ama: 'Hensel S. Curvature driven interface evolution: Uniqueness properties of weak
solution concepts. 2021. doi:10.15479/at:ista:10007'
apa: 'Hensel, S. (2021). Curvature driven interface evolution: Uniqueness properties
of weak solution concepts. Institute of Science and Technology Austria. https://doi.org/10.15479/at:ista:10007'
chicago: 'Hensel, Sebastian. “Curvature Driven Interface Evolution: Uniqueness Properties
of Weak Solution Concepts.” Institute of Science and Technology Austria, 2021.
https://doi.org/10.15479/at:ista:10007.'
ieee: 'S. Hensel, “Curvature driven interface evolution: Uniqueness properties of
weak solution concepts,” Institute of Science and Technology Austria, 2021.'
ista: 'Hensel S. 2021. Curvature driven interface evolution: Uniqueness properties
of weak solution concepts. Institute of Science and Technology Austria.'
mla: 'Hensel, Sebastian. Curvature Driven Interface Evolution: Uniqueness Properties
of Weak Solution Concepts. Institute of Science and Technology Austria, 2021,
doi:10.15479/at:ista:10007.'
short: 'S. Hensel, Curvature Driven Interface Evolution: Uniqueness Properties of
Weak Solution Concepts, Institute of Science and Technology Austria, 2021.'
date_created: 2021-09-13T11:12:34Z
date_published: 2021-09-14T00:00:00Z
date_updated: 2023-09-07T13:30:45Z
day: '14'
ddc:
- '515'
degree_awarded: PhD
department:
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- _id: JuFi
doi: 10.15479/at:ista:10007
ec_funded: 1
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has_accepted_license: '1'
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
page: '300'
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 0aa76401-070f-11eb-9043-b5bb049fa26d
call_identifier: H2020
grant_number: '948819'
name: Bridging Scales in Random Materials
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '10012'
relation: part_of_dissertation
status: public
- id: '10013'
relation: part_of_dissertation
status: public
- id: '7489'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Julian L
full_name: Fischer, Julian L
id: 2C12A0B0-F248-11E8-B48F-1D18A9856A87
last_name: Fischer
orcid: 0000-0002-0479-558X
title: 'Curvature driven interface evolution: Uniqueness properties of weak solution
concepts'
type: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '10030'
abstract:
- lang: eng
text: "This PhD thesis is primarily focused on the study of discrete transport problems,
introduced for the first time in the seminal works of Maas [Maa11] and Mielke
[Mie11] on finite state Markov chains and reaction-diffusion equations, respectively.
More in detail, my research focuses on the study of transport costs on graphs,
in particular the convergence and the stability of such problems in the discrete-to-continuum
limit. This thesis also includes some results concerning\r\nnon-commutative optimal
transport. The first chapter of this thesis consists of a general introduction
to the optimal transport problems, both in the discrete, the continuous, and the
non-commutative setting. Chapters 2 and 3 present the content of two works, obtained
in collaboration with Peter Gladbach, Eva Kopfer, and Jan Maas, where we have
been able to show the convergence of discrete transport costs on periodic graphs
to suitable continuous ones, which can be described by means of a homogenisation
result. We first focus on the particular case of quadratic costs on the real line
and then extending the result to more general costs in arbitrary dimension. Our
results are the first complete characterisation of limits of transport costs on
periodic graphs in arbitrary dimension which do not rely on any additional symmetry.
In Chapter 4 we turn our attention to one of the intriguing connection between
evolution equations and optimal transport, represented by the theory of gradient
flows. We show that discrete gradient flow structures associated to a finite volume
approximation of a certain class of diffusive equations (Fokker–Planck) is stable
in the limit of vanishing meshes, reproving the convergence of the scheme via
the method of evolutionary Γ-convergence and exploiting a more variational point
of view on the problem. This is based on a collaboration with Dominik Forkert
and Jan Maas. Chapter 5 represents a change of perspective, moving away from the
discrete world and reaching the non-commutative one. As in the discrete case,
we discuss how classical tools coming from the commutative optimal transport can
be translated into the setting of density matrices. In particular, in this final
chapter we present a non-commutative version of the Schrödinger problem (or entropic
regularised optimal transport problem) and discuss existence and characterisation
of minimisers, a duality result, and present a non-commutative version of the
well-known Sinkhorn algorithm to compute the above mentioned optimisers. This
is based on a joint work with Dario Feliciangeli and Augusto Gerolin. Finally,
Appendix A and B contain some additional material and discussions, with particular
attention to Harnack inequalities and the regularity of flows on discrete spaces."
acknowledged_ssus:
- _id: M-Shop
- _id: NanoFab
acknowledgement: The author gratefully acknowledges support by the Austrian Science
Fund (FWF), grants No W1245.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Lorenzo
full_name: Portinale, Lorenzo
id: 30AD2CBC-F248-11E8-B48F-1D18A9856A87
last_name: Portinale
citation:
ama: Portinale L. Discrete-to-continuum limits of transport problems and gradient
flows in the space of measures. 2021. doi:10.15479/at:ista:10030
apa: Portinale, L. (2021). Discrete-to-continuum limits of transport problems
and gradient flows in the space of measures. Institute of Science and Technology
Austria. https://doi.org/10.15479/at:ista:10030
chicago: Portinale, Lorenzo. “Discrete-to-Continuum Limits of Transport Problems
and Gradient Flows in the Space of Measures.” Institute of Science and Technology
Austria, 2021. https://doi.org/10.15479/at:ista:10030.
ieee: L. Portinale, “Discrete-to-continuum limits of transport problems and gradient
flows in the space of measures,” Institute of Science and Technology Austria,
2021.
ista: Portinale L. 2021. Discrete-to-continuum limits of transport problems and
gradient flows in the space of measures. Institute of Science and Technology Austria.
mla: Portinale, Lorenzo. Discrete-to-Continuum Limits of Transport Problems and
Gradient Flows in the Space of Measures. Institute of Science and Technology
Austria, 2021, doi:10.15479/at:ista:10030.
short: L. Portinale, Discrete-to-Continuum Limits of Transport Problems and Gradient
Flows in the Space of Measures, Institute of Science and Technology Austria, 2021.
date_created: 2021-09-21T09:14:15Z
date_published: 2021-09-22T00:00:00Z
date_updated: 2023-09-07T13:31:06Z
day: '22'
ddc:
- '515'
degree_awarded: PhD
department:
- _id: GradSch
- _id: JaMa
doi: 10.15479/at:ista:10030
file:
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date_updated: 2022-03-10T12:14:42Z
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file_size: 3876668
relation: source_file
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checksum: 9789e9d967c853c1503ec7f307170279
content_type: application/pdf
creator: cchlebak
date_created: 2021-09-27T11:14:31Z
date_updated: 2021-09-27T11:14:31Z
file_id: '10047'
file_name: thesis_portinale_Final (1).pdf
file_size: 2532673
relation: main_file
file_date_updated: 2022-03-10T12:14:42Z
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language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
project:
- _id: 260788DE-B435-11E9-9278-68D0E5697425
call_identifier: FWF
name: Dissipation and Dispersion in Nonlinear Partial Differential Equations
- _id: fc31cba2-9c52-11eb-aca3-ff467d239cd2
grant_number: F6504
name: Taming Complexity in Partial Differential Systems
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '10022'
relation: part_of_dissertation
status: public
- id: '9792'
relation: part_of_dissertation
status: public
- id: '7573'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Jan
full_name: Maas, Jan
id: 4C5696CE-F248-11E8-B48F-1D18A9856A87
last_name: Maas
orcid: 0000-0002-0845-1338
title: Discrete-to-continuum limits of transport problems and gradient flows in the
space of measures
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: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '10035'
abstract:
- lang: eng
text: 'Many security definitions come in two flavors: a stronger “adaptive” flavor,
where the adversary can arbitrarily make various choices during the course of
the attack, and a weaker “selective” flavor where the adversary must commit to
some or all of their choices a-priori. For example, in the context of identity-based
encryption, selective security requires the adversary to decide on the identity
of the attacked party at the very beginning of the game whereas adaptive security
allows the attacker to first see the master public key and some secret keys before
making this choice. Often, it appears to be much easier to achieve selective security
than it is to achieve adaptive security. A series of several recent works shows
how to cleverly achieve adaptive security in several such scenarios including
generalized selective decryption [Pan07][FJP15], constrained PRFs [FKPR14], and
Yao’s garbled circuits [JW16]. Although the above works expressed vague intuition
that they share a common technique, the connection was never made precise. In
this work we present a new framework (published at Crypto ’17 [JKK+17a]) that
connects all of these works and allows us to present them in a unified and simplified
fashion. Having the framework in place, we show how to achieve adaptive security
for proxy re-encryption schemes (published at PKC ’19 [FKKP19]) and provide the
first adaptive security proofs for continuous group key agreement protocols (published
at S&P ’21 [KPW+21]). Questioning optimality of our framework, we then show that
currently used proof techniques cannot lead to significantly better security guarantees
for "graph-building" games (published at TCC ’21 [KKPW21a]). These games cover
generalized selective decryption, as well as the security of prominent constructions
for constrained PRFs, continuous group key agreement, and proxy re-encryption.
Finally, we revisit the adaptive security of Yao’s garbled circuits and extend
the analysis of Jafargholi and Wichs in two directions: While they prove adaptive
security only for a modified construction with increased online complexity, we
provide the first positive results for the original construction by Yao (published
at TCC ’21 [KKP21a]). On the negative side, we prove that the results of Jafargholi
and Wichs are essentially optimal by showing that no black-box reduction can provide
a significantly better security bound (published at Crypto ’21 [KKPW21c]).'
acknowledgement: "I want to acknowledge the funding by the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation programme
(682815 - TOCNeT).\r\n"
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Karen
full_name: Klein, Karen
id: 3E83A2F8-F248-11E8-B48F-1D18A9856A87
last_name: Klein
citation:
ama: Klein K. On the adaptive security of graph-based games. 2021. doi:10.15479/at:ista:10035
apa: Klein, K. (2021). On the adaptive security of graph-based games. Institute
of Science and Technology Austria. https://doi.org/10.15479/at:ista:10035
chicago: Klein, Karen. “On the Adaptive Security of Graph-Based Games.” Institute
of Science and Technology Austria, 2021. https://doi.org/10.15479/at:ista:10035.
ieee: K. Klein, “On the adaptive security of graph-based games,” Institute of Science
and Technology Austria, 2021.
ista: Klein K. 2021. On the adaptive security of graph-based games. Institute of
Science and Technology Austria.
mla: Klein, Karen. On the Adaptive Security of Graph-Based Games. Institute
of Science and Technology Austria, 2021, doi:10.15479/at:ista:10035.
short: K. Klein, On the Adaptive Security of Graph-Based Games, Institute of Science
and Technology Austria, 2021.
date_created: 2021-09-23T07:31:44Z
date_published: 2021-09-23T00:00:00Z
date_updated: 2023-10-17T09:24:07Z
day: '23'
ddc:
- '519'
degree_awarded: PhD
department:
- _id: GradSch
- _id: KrPi
doi: 10.15479/at:ista:10035
ec_funded: 1
file:
- access_level: open_access
checksum: 73a44345c683e81f3e765efbf86fdcc5
content_type: application/pdf
creator: cchlebak
date_created: 2021-10-04T12:22:33Z
date_updated: 2021-10-04T12:22:33Z
file_id: '10082'
file_name: thesis_pdfa.pdf
file_size: 2104726
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content_type: application/x-zip-compressed
creator: cchlebak
date_created: 2021-10-05T07:04:37Z
date_updated: 2022-03-10T12:15:18Z
file_id: '10085'
file_name: thesis_final (1).zip
file_size: 9538359
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file_date_updated: 2022-03-10T12:15:18Z
has_accepted_license: '1'
language:
- iso: eng
month: '09'
oa: 1
oa_version: Published Version
page: '276'
project:
- _id: 258AA5B2-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '682815'
name: Teaching Old Crypto New Tricks
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '10044'
relation: part_of_dissertation
status: public
- id: '10049'
relation: part_of_dissertation
status: public
- id: '637'
relation: part_of_dissertation
status: public
- id: '10041'
relation: part_of_dissertation
status: public
- id: '6430'
relation: part_of_dissertation
status: public
- id: '10048'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Krzysztof Z
full_name: Pietrzak, Krzysztof Z
id: 3E04A7AA-F248-11E8-B48F-1D18A9856A87
last_name: Pietrzak
orcid: 0000-0002-9139-1654
title: On the adaptive security of graph-based 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: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '10045'
abstract:
- lang: eng
text: "Given a fixed finite metric space (V,μ), the {\\em minimum 0-extension problem},
denoted as 0-Ext[μ], is equivalent to the following optimization problem: minimize
function of the form minx∈Vn∑ifi(xi)+∑ijcijμ(xi,xj) where cij,cvi are given nonnegative
costs and fi:V→R are functions given by fi(xi)=∑v∈Vcviμ(xi,v). The computational
complexity of 0-Ext[μ] has been recently established by Karzanov and by Hirai:
if metric μ is {\\em orientable modular} then 0-Ext[μ] can be solved in polynomial
time, otherwise 0-Ext[μ] is NP-hard. To prove the tractability part, Hirai developed
a theory of discrete convex functions on orientable modular graphs generalizing
several known classes of functions in discrete convex analysis, such as L♮-convex
functions. We consider a more general version of the problem in which unary functions
fi(xi) can additionally have terms of the form cuv;iμ(xi,{u,v}) for {u,v}∈F, where
set F⊆(V2) is fixed. We extend the complexity classification above by providing
an explicit condition on (μ,F) for the problem to be tractable. In order to prove
the tractability part, we generalize Hirai's theory and define a larger class
of discrete convex functions. It covers, in particular, another well-known class
of functions, namely submodular functions on an integer lattice. Finally, we improve
the complexity of Hirai's algorithm for solving 0-Ext on orientable modular graphs.\r\n"
article_number: '2109.10203'
article_processing_charge: No
arxiv: 1
author:
- first_name: Martin
full_name: Dvorak, Martin
id: 40ED02A8-C8B4-11E9-A9C0-453BE6697425
last_name: Dvorak
orcid: 0000-0001-5293-214X
- first_name: Vladimir
full_name: Kolmogorov, Vladimir
id: 3D50B0BA-F248-11E8-B48F-1D18A9856A87
last_name: Kolmogorov
citation:
ama: Dvorak M, Kolmogorov V. Generalized minimum 0-extension problem and discrete
convexity. arXiv. doi:10.48550/arXiv.2109.10203
apa: Dvorak, M., & Kolmogorov, V. (n.d.). Generalized minimum 0-extension problem
and discrete convexity. arXiv. https://doi.org/10.48550/arXiv.2109.10203
chicago: Dvorak, Martin, and Vladimir Kolmogorov. “Generalized Minimum 0-Extension
Problem and Discrete Convexity.” ArXiv, n.d. https://doi.org/10.48550/arXiv.2109.10203.
ieee: M. Dvorak and V. Kolmogorov, “Generalized minimum 0-extension problem and
discrete convexity,” arXiv. .
ista: Dvorak M, Kolmogorov V. Generalized minimum 0-extension problem and discrete
convexity. arXiv, 2109.10203.
mla: Dvorak, Martin, and Vladimir Kolmogorov. “Generalized Minimum 0-Extension Problem
and Discrete Convexity.” ArXiv, 2109.10203, doi:10.48550/arXiv.2109.10203.
short: M. Dvorak, V. Kolmogorov, ArXiv (n.d.).
date_created: 2021-09-27T10:48:23Z
date_published: 2021-09-21T00:00:00Z
date_updated: 2023-05-03T10:40:16Z
day: '21'
ddc:
- '004'
department:
- _id: GradSch
- _id: VlKo
doi: 10.48550/arXiv.2109.10203
external_id:
arxiv:
- '2109.10203'
file:
- access_level: open_access
checksum: e7e83065f7bc18b9c188bf93b5ca5db6
content_type: application/pdf
creator: mdvorak
date_created: 2021-09-27T10:54:51Z
date_updated: 2021-09-27T10:54:51Z
file_id: '10046'
file_name: Generalized-0-Ext.pdf
file_size: 603672
relation: main_file
success: 1
file_date_updated: 2021-09-27T10:54:51Z
has_accepted_license: '1'
keyword:
- minimum 0-extension problem
- metric labeling problem
- discrete metric spaces
- metric extensions
- computational complexity
- valued constraint satisfaction problems
- discrete convex analysis
- L-convex functions
language:
- iso: eng
main_file_link:
- open_access: '1'
url: ' https://doi.org/10.48550/arXiv.2109.10203'
month: '09'
oa: 1
oa_version: Preprint
publication: arXiv
publication_status: submitted
status: public
title: Generalized minimum 0-extension problem and discrete convexity
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '10058'
abstract:
- lang: eng
text: 'Quantum information and computation has become a vast field paved with opportunities
for researchers and investors. As large multinational companies and international
funds are heavily investing in quantum technologies it is still a question which
platform is best suited for the task of realizing a scalable quantum processor.
In this work we investigate hole spins in Ge quantum wells. These hold great promise
as they possess several favorable properties: a small effective mass, a strong
spin-orbit coupling, long relaxation time and an inherent immunity to hyperfine
noise. All these characteristics helped Ge hole spin qubits to evolve from a single
qubit to a fully entangled four qubit processor in only 3 years. Here, we investigated
a qubit approach leveraging the large out-of-plane g-factors of heavy hole states
in Ge quantum dots. We found this qubit to be reproducibly operable at extremely
low magnetic field and at large speeds while maintaining coherence. This was possible
because large differences of g-factors in adjacent dots can be achieved in the
out-of-plane direction. In the in-plane direction the small g-factors, on the
other hand, can be altered very effectively by the confinement potentials. Here,
we found that this can even lead to a sign change of the g-factors. The resulting
g-factor difference alters the dynamics of the system drastically and produces
effects typically attributed to a spin-orbit induced spin-flip term. The investigations
carried out in this thesis give further insights into the possibilities of holes
in Ge and reveal new physical properties that need to be considered when designing
future spin qubit experiments.'
acknowledged_ssus:
- _id: M-Shop
- _id: NanoFab
acknowledgement: The author gratefully acknowledges support by the Austrian Science
Fund (FWF), grants No P30207, and the Nomis foundation.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Daniel
full_name: Jirovec, Daniel
id: 4C473F58-F248-11E8-B48F-1D18A9856A87
last_name: Jirovec
orcid: 0000-0002-7197-4801
citation:
ama: Jirovec D. Singlet-Triplet qubits and spin-orbit interaction in 2-dimensional
Ge hole gases. 2021. doi:10.15479/at:ista:10058
apa: Jirovec, D. (2021). Singlet-Triplet qubits and spin-orbit interaction in
2-dimensional Ge hole gases. Institute of Science and Technology Austria.
https://doi.org/10.15479/at:ista:10058
chicago: Jirovec, Daniel. “Singlet-Triplet Qubits and Spin-Orbit Interaction in
2-Dimensional Ge Hole Gases.” Institute of Science and Technology Austria, 2021.
https://doi.org/10.15479/at:ista:10058.
ieee: D. Jirovec, “Singlet-Triplet qubits and spin-orbit interaction in 2-dimensional
Ge hole gases,” Institute of Science and Technology Austria, 2021.
ista: Jirovec D. 2021. Singlet-Triplet qubits and spin-orbit interaction in 2-dimensional
Ge hole gases. Institute of Science and Technology Austria.
mla: Jirovec, Daniel. Singlet-Triplet Qubits and Spin-Orbit Interaction in 2-Dimensional
Ge Hole Gases. Institute of Science and Technology Austria, 2021, doi:10.15479/at:ista:10058.
short: D. Jirovec, Singlet-Triplet Qubits and Spin-Orbit Interaction in 2-Dimensional
Ge Hole Gases, Institute of Science and Technology Austria, 2021.
date_created: 2021-09-30T07:53:49Z
date_published: 2021-10-05T00:00:00Z
date_updated: 2023-09-08T11:41:08Z
day: '05'
ddc:
- '621'
- '539'
degree_awarded: PhD
department:
- _id: GradSch
- _id: GeKa
doi: 10.15479/at:ista:10058
file:
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creator: djirovec
date_created: 2021-09-30T14:29:14Z
date_updated: 2022-12-20T23:30:07Z
embargo_to: open_access
file_id: '10061'
file_name: PHD_Thesis_Jirovec_Source.zip
file_size: 32397600
relation: source_file
- access_level: open_access
checksum: 5fbe08d4f66d1153e04c47971538fae8
content_type: application/pdf
creator: djirovec
date_created: 2021-10-05T07:56:49Z
date_updated: 2022-12-20T23:30:07Z
embargo: 2022-10-06
file_id: '10087'
file_name: PHD_Thesis_pdfa2b_1.pdf
file_size: 26910829
relation: main_file
file_date_updated: 2022-12-20T23:30:07Z
has_accepted_license: '1'
keyword:
- qubits
- quantum computing
- holes
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
page: '151'
project:
- _id: 2641CE5E-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: P30207
name: Hole spin orbit qubits in Ge quantum wells
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '8831'
relation: part_of_dissertation
status: public
- id: '10065'
relation: part_of_dissertation
status: public
- id: '10066'
relation: part_of_dissertation
status: public
- id: '8909'
relation: part_of_dissertation
status: public
- id: '5816'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Georgios
full_name: Katsaros, Georgios
id: 38DB5788-F248-11E8-B48F-1D18A9856A87
last_name: Katsaros
orcid: 0000-0001-8342-202X
title: Singlet-Triplet qubits and spin-orbit interaction in 2-dimensional Ge hole
gases
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: dissertation
user_id: c635000d-4b10-11ee-a964-aac5a93f6ac1
year: '2021'
...
---
_id: '10077'
abstract:
- lang: eng
text: Although much is known about how single neurons in the hippocampus represent
an animal’s position, how cell-cell interactions contribute to spatial coding
remains poorly understood. Using a novel statistical estimator and theoretical
modeling, both developed in the framework of maximum entropy models, we reveal
highly structured cell-to-cell interactions whose statistics depend on familiar
vs. novel environment. In both conditions the circuit interactions optimize the
encoding of spatial information, but for regimes that differ in the signal-to-noise
ratio of their spatial inputs. Moreover, the topology of the interactions facilitates
linear decodability, making the information easy to read out by downstream circuits.
These findings suggest that the efficient coding hypothesis is not applicable
only to individual neuron properties in the sensory periphery, but also to neural
interactions in the central brain.
acknowledgement: We thank Peter Baracskay, Karola Kaefer and Hugo Malagon-Vina for
the acquisition of the data. We thank Federico Stella for comments on an earlier
version of the manuscript. MN was supported by European Union Horizon 2020 grant
665385, JC was supported by European Research Council consolidator grant 281511,
GT was supported by the Austrian Science Fund (FWF) grant P34015, CS was supported
by an IST fellow grant, National Institute of Mental Health Award 1R01MH125571-01,
by the National Science Foundation under NSF Award No. 1922658 and a Google faculty
award.
article_processing_charge: No
author:
- first_name: Michele
full_name: Nardin, Michele
id: 30BD0376-F248-11E8-B48F-1D18A9856A87
last_name: Nardin
orcid: 0000-0001-8849-6570
- first_name: Jozsef L
full_name: Csicsvari, Jozsef L
id: 3FA14672-F248-11E8-B48F-1D18A9856A87
last_name: Csicsvari
orcid: 0000-0002-5193-4036
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
- first_name: Cristina
full_name: Savin, Cristina
id: 3933349E-F248-11E8-B48F-1D18A9856A87
last_name: Savin
citation:
ama: Nardin M, Csicsvari JL, Tkačik G, Savin C. The structure of hippocampal CA1
interactions optimizes spatial coding across experience. bioRxiv. doi:10.1101/2021.09.28.460602
apa: Nardin, M., Csicsvari, J. L., Tkačik, G., & Savin, C. (n.d.). The structure
of hippocampal CA1 interactions optimizes spatial coding across experience. bioRxiv.
Cold Spring Harbor Laboratory. https://doi.org/10.1101/2021.09.28.460602
chicago: Nardin, Michele, Jozsef L Csicsvari, Gašper Tkačik, and Cristina Savin.
“The Structure of Hippocampal CA1 Interactions Optimizes Spatial Coding across
Experience.” BioRxiv. Cold Spring Harbor Laboratory, n.d. https://doi.org/10.1101/2021.09.28.460602.
ieee: M. Nardin, J. L. Csicsvari, G. Tkačik, and C. Savin, “The structure of hippocampal
CA1 interactions optimizes spatial coding across experience,” bioRxiv.
Cold Spring Harbor Laboratory.
ista: Nardin M, Csicsvari JL, Tkačik G, Savin C. The structure of hippocampal CA1
interactions optimizes spatial coding across experience. bioRxiv, 10.1101/2021.09.28.460602.
mla: Nardin, Michele, et al. “The Structure of Hippocampal CA1 Interactions Optimizes
Spatial Coding across Experience.” BioRxiv, Cold Spring Harbor Laboratory,
doi:10.1101/2021.09.28.460602.
short: M. Nardin, J.L. Csicsvari, G. Tkačik, C. Savin, BioRxiv (n.d.).
date_created: 2021-10-04T06:23:34Z
date_published: 2021-09-29T00:00:00Z
date_updated: 2024-03-25T23:30:09Z
day: '29'
department:
- _id: GradSch
- _id: JoCs
- _id: GaTk
doi: 10.1101/2021.09.28.460602
ec_funded: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.biorxiv.org/content/10.1101/2021.09.28.460602
month: '09'
oa: 1
oa_version: Preprint
project:
- _id: 25681D80-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '291734'
name: International IST Postdoc Fellowship Programme
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 257A4776-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '281511'
name: Memory-related information processing in neuronal circuits of the hippocampus
and entorhinal cortex
- _id: 626c45b5-2b32-11ec-9570-e509828c1ba6
grant_number: P34015
name: Efficient coding with biophysical realism
publication: bioRxiv
publication_status: submitted
publisher: Cold Spring Harbor Laboratory
related_material:
record:
- id: '11932'
relation: dissertation_contains
status: public
status: public
title: The structure of hippocampal CA1 interactions optimizes spatial coding across
experience
tmp:
image: /images/cc_by_nc_nd.png
legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
(CC BY-NC-ND 4.0)
short: CC BY-NC-ND (4.0)
type: preprint
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2021'
...
---
_id: '10080'
abstract:
- lang: eng
text: Hippocampal and neocortical neural activity is modulated by the position of
the individual in space. While hippocampal neurons provide the basis for a spatial
map, prefrontal cortical neurons generalize over environmental features. Whether
these generalized representations result from a bidirectional interaction with,
or are mainly derived from hippocampal spatial representations is not known. By
examining simultaneously recorded hippocampal and medial prefrontal neurons, we
observed that prefrontal spatial representations show a delayed coherence with
hippocampal ones. We also identified subpopulations of cells in the hippocampus
and medial prefrontal cortex that formed functional cross-area couplings; these
resembled the optimal connections predicted by a probabilistic model of spatial
information transfer and generalization. Moreover, cross-area couplings were strongest
and had the shortest delay preceding spatial decision-making. Our results suggest
that generalized spatial coding in the medial prefrontal cortex is inherited from
spatial representations in the hippocampus, and that the routing of information
can change dynamically with behavioral demands.
acknowledgement: We thank Federico Stella for invaluable suggestions and discussions.
We thank Yosman BapatDhar and Andrea Cumpelik for comments, help and suggestions
on the exposure of the text. We thank Predrag Živadinović and Juliana Couras for
comments on the text and the figures. This work was supported by the EU-FP7 MC-ITN
IN-SENS (grant 607616).
article_processing_charge: No
author:
- first_name: Michele
full_name: Nardin, Michele
id: 30BD0376-F248-11E8-B48F-1D18A9856A87
last_name: Nardin
orcid: 0000-0001-8849-6570
- first_name: Karola
full_name: Käfer, Karola
id: 2DAA49AA-F248-11E8-B48F-1D18A9856A87
last_name: Käfer
- first_name: Jozsef L
full_name: Csicsvari, Jozsef L
id: 3FA14672-F248-11E8-B48F-1D18A9856A87
last_name: Csicsvari
orcid: 0000-0002-5193-4036
citation:
ama: Nardin M, Käfer K, Csicsvari JL. The generalized spatial representation in
the prefrontal cortex is inherited from the hippocampus. bioRxiv. doi:10.1101/2021.09.30.462269
apa: Nardin, M., Käfer, K., & Csicsvari, J. L. (n.d.). The generalized spatial
representation in the prefrontal cortex is inherited from the hippocampus. bioRxiv.
Cold Spring Harbor Laboratory. https://doi.org/10.1101/2021.09.30.462269
chicago: Nardin, Michele, Karola Käfer, and Jozsef L Csicsvari. “The Generalized
Spatial Representation in the Prefrontal Cortex Is Inherited from the Hippocampus.”
BioRxiv. Cold Spring Harbor Laboratory, n.d. https://doi.org/10.1101/2021.09.30.462269.
ieee: M. Nardin, K. Käfer, and J. L. Csicsvari, “The generalized spatial representation
in the prefrontal cortex is inherited from the hippocampus,” bioRxiv. Cold
Spring Harbor Laboratory.
ista: Nardin M, Käfer K, Csicsvari JL. The generalized spatial representation in
the prefrontal cortex is inherited from the hippocampus. bioRxiv, 10.1101/2021.09.30.462269.
mla: Nardin, Michele, et al. “The Generalized Spatial Representation in the Prefrontal
Cortex Is Inherited from the Hippocampus.” BioRxiv, Cold Spring Harbor
Laboratory, doi:10.1101/2021.09.30.462269.
short: M. Nardin, K. Käfer, J.L. Csicsvari, BioRxiv (n.d.).
date_created: 2021-10-04T06:28:32Z
date_published: 2021-10-02T00:00:00Z
date_updated: 2021-10-05T12:34:26Z
day: '02'
department:
- _id: GradSch
- _id: JoCs
doi: 10.1101/2021.09.30.462269
ec_funded: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://www.biorxiv.org/content/10.1101/2021.09.30.462269
month: '10'
oa: 1
oa_version: Preprint
project:
- _id: 257BBB4C-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '607616'
name: Inter-and intracellular signalling in schizophrenia
publication: bioRxiv
publication_status: submitted
publisher: Cold Spring Harbor Laboratory
status: public
title: The generalized spatial representation in the prefrontal cortex is inherited
from the hippocampus
type: preprint
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2021'
...