---
OA_type: closed access
_id: '21762'
abstract:
- lang: eng
text: Bacteria, like eukaryotes, use conserved cytoskeletal systems for intracellular
organization. The plasmid-encoded ParMRC system forms actin-like filaments that
segregate low–copy number plasmids. In multicellular cyanobacteria such as Anabaena
sp., we found that a chromosomally encoded ParMR system has evolved into a cytoskeletal
system named CorMR with a function in cell shape control rather than DNA segregation.
Live-cell imaging, in vitro reconstitution, and cryo–electron microscopy revealed
that CorM formed dynamically unstable, antiparallel double-stranded filaments
that were recruited to the membrane by CorR through an amphipathic helix conserved
in multicellular cyanobacteria. CorMR filaments were regulated by MinC, which
excluded them from the poles and division plane. Comparative genomics indicated
that the repurposing of ParMR and Min systems coevolved with cyanobacterial multicellularity,
highlighting the evolutionary plasticity of cytoskeletal systems in bacteria.
acknowledged_ssus:
- _id: Bio
- _id: ScienComp
- _id: EM-Fac
- _id: LifeSc
acknowledgement: "We thank all members of the Loose lab at ISTA for helpful discussions;
M. Kojic for critical reading of the manuscript; A. Herrero (Sevilla University)
for sharing her extensive BACTH plasmid library and other plasmids, as well as cyanobacterial
strains; T. Dagan and F. Nies (both Kiel University) for sharing cyanobacterial
strains and plasmids and for valuable discussions; N. Sapay and A. Michon for providing
the Amphipaseek code, which enabled us to perform our large-scale amphipathic helix
screen of cyanobacterial CorR proteins; V.-V. Hodirnau for support in cryo-ET data
collection; and J. Hansen for advice about cryo-EM data processing.\r\nThis work
was supported by the Scientific Service Units (SSU) of ISTA through resources provided
by the Imaging & Optics Facility (IOF), the Scientific Computing (SciComp), the
Electron Microscopy Facility (EMF), and the Lab Support Facility (LSF). This work
was funded by the European Union’s Horizon 2020 research and innovation program
(Marie Skłodowska-Curie grant 101034413 to B.L.S.); the European Research Council
(ERC) of the European Union (grant ActinID 101076260 to F.K.M.S.); the Swiss National
Science Foundation (starting grant TMSGI3_226208 to G.L.W.); and the Jean-Jacques
et Letitia Lopez-Loreta Foundation (G.L.W.)."
article_number: eaea6343
article_processing_charge: No
article_type: original
author:
- first_name: Benjamin L
full_name: Springstein, Benjamin L
id: b4eb62ef-ac72-11ed-9503-ed3b4d66c083
last_name: Springstein
orcid: 0000-0002-3461-5391
- first_name: Manjunath
full_name: Javoor, Manjunath
id: 305ab18b-dc7d-11ea-9b2f-b58195228ea2
last_name: Javoor
orcid: 0000-0003-2311-2112
- first_name: Daniela
full_name: Megrian, Daniela
last_name: Megrian
- first_name: Roman
full_name: Hajdu, Roman
id: ffab949d-133f-11ed-8f02-94de21ace503
last_name: Hajdu
- first_name: Dustin M.
full_name: Hanke, Dustin M.
last_name: Hanke
- first_name: Bettina
full_name: Zens, Bettina
id: 45FD126C-F248-11E8-B48F-1D18A9856A87
last_name: Zens
orcid: 0000-0002-9561-1239
- first_name: Gregor L.
full_name: Weiss, Gregor L.
last_name: Weiss
- first_name: Florian Km
full_name: Schur, Florian Km
id: 48AD8942-F248-11E8-B48F-1D18A9856A87
last_name: Schur
orcid: 0000-0003-4790-8078
- first_name: Martin
full_name: Loose, Martin
id: 462D4284-F248-11E8-B48F-1D18A9856A87
last_name: Loose
orcid: 0000-0001-7309-9724
citation:
ama: Springstein BL, Javoor M, Megrian D, et al. Repurposing of a DNA segregation
machinery into a cytoskeletal system controlling cell shape. Science. 2026;392(6795).
doi:10.1126/science.aea6343
apa: Springstein, B. L., Javoor, M., Megrian, D., Hajdu, R., Hanke, D. M., Zens,
B., … Loose, M. (2026). Repurposing of a DNA segregation machinery into a cytoskeletal
system controlling cell shape. Science. AAAS. https://doi.org/10.1126/science.aea6343
chicago: Springstein, Benjamin L, Manjunath Javoor, Daniela Megrian, Roman Hajdu,
Dustin M. Hanke, Bettina Zens, Gregor L. Weiss, Florian KM Schur, and Martin Loose.
“Repurposing of a DNA Segregation Machinery into a Cytoskeletal System Controlling
Cell Shape.” Science. AAAS, 2026. https://doi.org/10.1126/science.aea6343.
ieee: B. L. Springstein et al., “Repurposing of a DNA segregation machinery
into a cytoskeletal system controlling cell shape,” Science, vol. 392,
no. 6795. AAAS, 2026.
ista: Springstein BL, Javoor M, Megrian D, Hajdu R, Hanke DM, Zens B, Weiss GL,
Schur FK, Loose M. 2026. Repurposing of a DNA segregation machinery into a cytoskeletal
system controlling cell shape. Science. 392(6795), eaea6343.
mla: Springstein, Benjamin L., et al. “Repurposing of a DNA Segregation Machinery
into a Cytoskeletal System Controlling Cell Shape.” Science, vol. 392,
no. 6795, eaea6343, AAAS, 2026, doi:10.1126/science.aea6343.
short: B.L. Springstein, M. Javoor, D. Megrian, R. Hajdu, D.M. Hanke, B. Zens, G.L.
Weiss, F.K. Schur, M. Loose, Science 392 (2026).
corr_author: '1'
date_created: 2026-04-26T22:01:46Z
date_published: 2026-04-16T00:00:00Z
date_updated: 2026-04-28T13:29:05Z
day: '16'
department:
- _id: MaLo
- _id: FlSc
- _id: GradSch
- _id: EM-Fac
doi: 10.1126/science.aea6343
ec_funded: 1
external_id:
pmid:
- '41990175'
intvolume: ' 392'
issue: '6795'
language:
- iso: eng
month: '04'
oa_version: None
pmid: 1
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
- _id: bd980d18-d553-11ed-ba76-ceaa645c97eb
grant_number: '101076260'
name: A molecular atlas of Actin filament IDentities in the cell motility machinery
publication: Science
publication_identifier:
eissn:
- 1095-9203
issn:
- 0036-8075
publication_status: published
publisher: AAAS
quality_controlled: '1'
scopus_import: '1'
status: public
title: Repurposing of a DNA segregation machinery into a cytoskeletal system controlling
cell shape
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 392
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '21763'
abstract:
- lang: eng
text: Reactive oxygen species (ROS) have been implicated in multiple signaling processes
in plants, but the underlying mechanisms and roles remain enigmatic. In this study,
we developed a method of live imaging of apoplastic ROS at the root surface. Distinct
signals, including auxin, extracellular adenosine triphosphate, and rapid alkalinization
factor 1 peptide, induce cytosolic calcium transients and apoplastic ROS bursts.
Genetic and optogenetic manipulations of Arabidopsis identified calcium transients
as necessary and sufficient for ROS bursts through activation of reduced nicotinamide
adenine dinucleotide phosphate (NADPH) oxidases RBOHC and RBOHF. Apoplastic ROS
bursts are not required, but they do limit gravity-induced root bending. Root
bending is sensed by the stretch-activated calcium channel MCA1, leading to NADPH
oxidase activation. The resulting ROS production stiffens cell walls to facilitate
soil penetration. Apoplastic ROS thus provides a means to balance tissue flexibility
and stiffness to navigate soil.
acknowledged_ssus:
- _id: LifeSc
- _id: Bio
acknowledgement: "We gratefully acknowledge the Lab Support Facility (LSF) and the
Imaging and Optics Facility (IOF) (both of ISTA) and the Hounsfield CT Facility
(University of Nottingham) for support with imaging and the Growth Facility (IPMB)
for plant cultivation. We thank M. Fendrych and his team for help with the microfluidics
upgrades and J. Atkinson at the University of Nottingham MakerSpace for 3D printing
of Arabidopsis mini-soil columns.\r\nThis project received funding from the European
Research Council (ERC; 101142681 CYNIPS) and the Austrian Science Fund (FWF; P 37051-B).
I.K. was cofunded by the European Union, Horizon Europe, project MOLIPEC, ID 101087030
and CSF project 25-16449S. L.V. and B.K.P. acknowledge funding from UK Research
and Innovation (UKRI) Frontiers Research (EP/Y036697/1). M.J.B. acknowledges funding
from ERC SYNERGY (grant 101118769 HYDROSENSING). The study was partially supported
by the Université Paris Cité, Idex ANR-18-IDEX-0001, funded by the French Government
through its “Investments for the Future” program and also by the projects “Mecha-Nuc”
ANR-20-CE13-0025-03 and “scEm-bryoMech” ANR-21-CE13-0046. P.D. acknowledges support
by Human Frontier Science Program Organization grant 2022-RG107. P.V. acknowledges
support provided by “Programme blanc” of the Graduate School BIOSPHERA, Université
Paris-Saclay. Phytohormonal analysis was performed using the service laboratory
funded by Toward Next GENeration Crops, reg. no. CZ.02.01.01/00/22_008/0004581 of
the European Regional Development Fund (ERDF) program Johannes Amos Comenius. This
research was funded in whole or in part by the Austrian Science Fund (P 37051-B)
and UK Research and Innovation (EP/Y036697/1), cOAlition S organizations, and by
the European Research Council (101142681 CYNIPS, 101118769 HYDROSENSING); as required,
the author will make the Author Accepted Manuscript (AAM) version available under
a CC BY public copyright license."
article_processing_charge: No
article_type: original
author:
- first_name: Ivan
full_name: Kulich, Ivan
id: 57a1567c-8314-11eb-9063-c9ddc3451a54
last_name: Kulich
- first_name: Dmitrii
full_name: Vladimirtsev, Dmitrii
id: 60466724-5355-11ee-ae5a-fa55e8f99c3d
last_name: Vladimirtsev
- first_name: Marek
full_name: Randuch, Marek
id: 6ac4636d-15b2-11ec-abd3-fb8df79972ae
last_name: Randuch
- first_name: Shiqiang
full_name: Gao, Shiqiang
last_name: Gao
- first_name: Matteo
full_name: Citterico, Matteo
last_name: Citterico
- first_name: Kai R.
full_name: Konrad, Kai R.
last_name: Konrad
- first_name: Georg
full_name: Nagel, Georg
last_name: Nagel
- first_name: Michael
full_name: Wrzaczek, Michael
last_name: Wrzaczek
- first_name: Léa
full_name: Cascaro, Léa
last_name: Cascaro
- first_name: Pauline
full_name: Vinet, Pauline
last_name: Vinet
- first_name: Pauline
full_name: Durand, Pauline
last_name: Durand
- first_name: Atef
full_name: Asnacios, Atef
last_name: Asnacios
- first_name: Lokesh
full_name: Verma, Lokesh
last_name: Verma
- first_name: Malcolm J.
full_name: Bennett, Malcolm J.
last_name: Bennett
- first_name: Bipin K.
full_name: Pandey, Bipin K.
last_name: Pandey
- first_name: Jiří
full_name: Friml, Jiří
id: 4159519E-F248-11E8-B48F-1D18A9856A87
last_name: Friml
orcid: 0000-0002-8302-7596
citation:
ama: Kulich I, Vladimirtsev D, Randuch M, et al. Calcium-triggered apoplastic ROS
bursts balance gravity and mechanical signals for soil navigation. Science.
2026;392(6795):296-300. doi:10.1126/science.adu8197
apa: Kulich, I., Vladimirtsev, D., Randuch, M., Gao, S., Citterico, M., Konrad,
K. R., … Friml, J. (2026). Calcium-triggered apoplastic ROS bursts balance gravity
and mechanical signals for soil navigation. Science. AAAS. https://doi.org/10.1126/science.adu8197
chicago: Kulich, Ivan, Dmitrii Vladimirtsev, Marek Randuch, Shiqiang Gao, Matteo
Citterico, Kai R. Konrad, Georg Nagel, et al. “Calcium-Triggered Apoplastic ROS
Bursts Balance Gravity and Mechanical Signals for Soil Navigation.” Science.
AAAS, 2026. https://doi.org/10.1126/science.adu8197.
ieee: I. Kulich et al., “Calcium-triggered apoplastic ROS bursts balance
gravity and mechanical signals for soil navigation,” Science, vol. 392,
no. 6795. AAAS, pp. 296–300, 2026.
ista: Kulich I, Vladimirtsev D, Randuch M, Gao S, Citterico M, Konrad KR, Nagel
G, Wrzaczek M, Cascaro L, Vinet P, Durand P, Asnacios A, Verma L, Bennett MJ,
Pandey BK, Friml J. 2026. Calcium-triggered apoplastic ROS bursts balance gravity
and mechanical signals for soil navigation. Science. 392(6795), 296–300.
mla: Kulich, Ivan, et al. “Calcium-Triggered Apoplastic ROS Bursts Balance Gravity
and Mechanical Signals for Soil Navigation.” Science, vol. 392, no. 6795,
AAAS, 2026, pp. 296–300, doi:10.1126/science.adu8197.
short: I. Kulich, D. Vladimirtsev, M. Randuch, S. Gao, M. Citterico, K.R. Konrad,
G. Nagel, M. Wrzaczek, L. Cascaro, P. Vinet, P. Durand, A. Asnacios, L. Verma,
M.J. Bennett, B.K. Pandey, J. Friml, Science 392 (2026) 296–300.
corr_author: '1'
date_created: 2026-04-26T22:01:47Z
date_published: 2026-04-16T00:00:00Z
date_updated: 2026-05-07T06:20:07Z
day: '16'
ddc:
- '580'
department:
- _id: JiFr
- _id: GradSch
doi: 10.1126/science.adu8197
external_id:
pmid:
- '41990180'
file:
- access_level: open_access
checksum: eb5b29247832ecdc53c8146da0509bbe
content_type: application/pdf
creator: dernst
date_created: 2026-05-07T05:54:43Z
date_updated: 2026-05-07T05:54:43Z
file_id: '21832'
file_name: 2026_Science_Kulich_accepted.pdf
file_size: 6150733
relation: main_file
success: 1
file_date_updated: 2026-05-07T05:54:43Z
has_accepted_license: '1'
intvolume: ' 392'
issue: '6795'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Accepted Version
page: 296-300
pmid: 1
project:
- _id: 8f347782-16d5-11f0-9cad-8c19706ee739
grant_number: '101142681'
name: Cyclic nucleotides as second messengers in plants
- _id: 7bcece63-9f16-11ee-852c-ae94e099eeb6
grant_number: P37051
name: Guanylate cyclase activity of TIR1/AFBs auxin receptors
publication: Science
publication_identifier:
eissn:
- 1095-9203
issn:
- 0036-8075
publication_status: published
publisher: AAAS
quality_controlled: '1'
scopus_import: '1'
status: public
title: Calcium-triggered apoplastic ROS bursts balance gravity and mechanical signals
for soil navigation
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 392
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21764'
abstract:
- lang: eng
text: "Colloidal fluids can exhibit complex phase behavior and determining phase
diagrams via experiments or computer simulations can be laborious. We demonstrate
that the dispersion relation ω(k), obtained from dynamical density functional
theory for the uniform density system, is a highly versatile tool for predicting
where in the phase diagram complex crystals form. The sign of ω(k) determines
whether density modes with wave number k grow or decay over time. We demonstrate
the predictive power by investigating the complex phase behavior of particles
interacting via core-shoulder pair potentials. With complementary Monte Carlo
simulations, we show that regions of the phase diagram where ωðkÞ has one or several
unstable (growing) wave numbers are also where crystalline phases occur. Going
further, by tuning these\r\nunstable wave numbers via the interaction-potential
and state-point parameters, we design systems with quasicrystals in the phase
diagram. We identify a system with a certain shoulder range exhibiting at least
ten different phases. Our general approach accelerates considerably the mapping
of complex phase diagrams, crucial for the design of new materials."
acknowledgement: "The authors thank Ms. Katrin Muck for her guidance related to the
use of HPC. The MC\r\ncomputer simulation results presented here were enabled via
a generous share of CPU time, offered by the Vienna Scientific Cluster (VSC) under
Project No. 71263. A. J. A. gratefully acknowledges support from the EPSRC under
Grant No. EP/P015689/1. This research was funded in part by the Austrian Science
Fund (FWF) [Grant DOI: 10.55776/PIN8759524], gratefully acknowledged by G. K ."
article_number: '148203'
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Michael
full_name: Wassermair, Michael
id: 23d132c4-4e98-11ef-b275-9e8d4cd8c917
last_name: Wassermair
orcid: 0009-0003-6339-4051
- first_name: Gerhard
full_name: Kahl, Gerhard
last_name: Kahl
- first_name: Roland
full_name: Roth, Roland
last_name: Roth
- first_name: Andrew J.
full_name: Archer, Andrew J.
last_name: Archer
citation:
ama: Wassermair M, Kahl G, Roth R, Archer AJ. Navigating complex phase diagrams
in soft matter systems. Physical Review Letters. 2026;136(14). doi:10.1103/nbvt-fgjy
apa: Wassermair, M., Kahl, G., Roth, R., & Archer, A. J. (2026). Navigating
complex phase diagrams in soft matter systems. Physical Review Letters.
American Physical Society. https://doi.org/10.1103/nbvt-fgjy
chicago: Wassermair, Michael, Gerhard Kahl, Roland Roth, and Andrew J. Archer. “Navigating
Complex Phase Diagrams in Soft Matter Systems.” Physical Review Letters.
American Physical Society, 2026. https://doi.org/10.1103/nbvt-fgjy.
ieee: M. Wassermair, G. Kahl, R. Roth, and A. J. Archer, “Navigating complex phase
diagrams in soft matter systems,” Physical Review Letters, vol. 136, no.
14. American Physical Society, 2026.
ista: Wassermair M, Kahl G, Roth R, Archer AJ. 2026. Navigating complex phase diagrams
in soft matter systems. Physical Review Letters. 136(14), 148203.
mla: Wassermair, Michael, et al. “Navigating Complex Phase Diagrams in Soft Matter
Systems.” Physical Review Letters, vol. 136, no. 14, 148203, American Physical
Society, 2026, doi:10.1103/nbvt-fgjy.
short: M. Wassermair, G. Kahl, R. Roth, A.J. Archer, Physical Review Letters 136
(2026).
date_created: 2026-04-26T22:01:47Z
date_published: 2026-04-10T00:00:00Z
date_updated: 2026-04-28T07:03:48Z
day: '10'
ddc:
- '530'
department:
- _id: AnSa
- _id: GradSch
doi: 10.1103/nbvt-fgjy
external_id:
arxiv:
- '2603.18918'
file:
- access_level: open_access
checksum: 8ffb139122a185fcddbe6a9c901a287c
content_type: application/pdf
creator: dernst
date_created: 2026-04-28T06:58:40Z
date_updated: 2026-04-28T06:58:40Z
file_id: '21769'
file_name: 2026_PhysicalReviewLetters_Wassermair.pdf
file_size: 4336488
relation: main_file
success: 1
file_date_updated: 2026-04-28T06:58:40Z
has_accepted_license: '1'
intvolume: ' 136'
issue: '14'
language:
- iso: eng
license: https://creativecommons.org/licenses/by/4.0/
month: '04'
oa: 1
oa_version: Published Version
publication: Physical Review Letters
publication_identifier:
eissn:
- 1079-7114
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Navigating complex phase diagrams in soft matter systems
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 136
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21776'
abstract:
- lang: eng
text: Pyridyl motifs equipped with N-substituents can be powerful ligands for catalysis,
yet their broader adoption is limited by the lack of a practical method to prepare
these scaffolds. We report a modular, robust, and versatile Buchwald–Hartwig amination
protocol that enables the rapid synthesis of bipyridine, phenanthroline, terpyridine,
and pybox ligands bearing dialkylamine, diarylamine, and heteroaromatic N-substituents.
These conditions streamline ligand library synthesis and will facilitate systematic
studies in catalysis and related applications.
acknowledged_ssus:
- _id: LifeSc
- _id: MassSpec
- _id: NMR
- _id: M-Shop
acknowledgement: We gratefully acknowledge ISTA for generous financial support. B.P.
acknowledges the Austrian Science Fund (PAT 1250924) and the ACS GCI Pharmaceutical
Roundtable for funding; T.P.Y acknowledges the NSF(CHE-2349003) for financial support.
This research was supported by the Scientific Service Units (SSU) of ISTA through
resources provided by the Lab Support Facility, Mass Spec Facility, NMR facility,
and the Miba Machine Shop. We specifically thank Aikaterina Paraskevopoulou for
HRMS measurements and Jan Pecak for support with ICP-OES experi-ments. NMR facilities
at UW−Madison were supported by the NSF(CHE-1048642) and a generous gift from Paul
J. and Margaret M. Bender. Open Access funding provided by Institute of Science
and Technology Austria/KEMÖ. This study was supported by Austrian Science Fund (PAT
1250924), ACSGCI Pharmaceutical Roundtable, and National Science Foundation(CHE-2349003)
and (CHE-1048642).
article_number: e70417
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Adam
full_name: Petrik, Adam
id: e273d403-329f-11ee-a353-8c34c056f8ed
last_name: Petrik
- first_name: Aleksander
full_name: Bena, Aleksander
id: 4197c39e-e8ec-11ed-86cb-afed934cd664
last_name: Bena
- first_name: Haralds
full_name: Baunis, Haralds
id: 2eea55ec-e8ec-11ed-86cb-d9c76787acfe
last_name: Baunis
- first_name: Riley M.
full_name: Kelch, Riley M.
last_name: Kelch
- first_name: Tehshik P.
full_name: Yoon, Tehshik P.
last_name: Yoon
- first_name: Bartholomäus
full_name: Pieber, Bartholomäus
id: 93e5e5b2-0da6-11ed-8a41-af589a024726
last_name: Pieber
orcid: 0000-0001-8689-388X
citation:
ama: Petrik A, Bena A, Baunis H, Kelch RM, Yoon TP, Pieber B. Facile access to N-substituted
pyridyl ligands. Advanced Synthesis & Catalysis. 2026;368(9). doi:10.1002/adsc.70417
apa: Petrik, A., Bena, A., Baunis, H., Kelch, R. M., Yoon, T. P., & Pieber,
B. (2026). Facile access to N-substituted pyridyl ligands. Advanced Synthesis
& Catalysis. Wiley. https://doi.org/10.1002/adsc.70417
chicago: Petrik, Adam, Aleksander Bena, Haralds Baunis, Riley M. Kelch, Tehshik
P. Yoon, and Bartholomäus Pieber. “Facile Access to N-Substituted Pyridyl Ligands.”
Advanced Synthesis & Catalysis. Wiley, 2026. https://doi.org/10.1002/adsc.70417.
ieee: A. Petrik, A. Bena, H. Baunis, R. M. Kelch, T. P. Yoon, and B. Pieber, “Facile
access to N-substituted pyridyl ligands,” Advanced Synthesis & Catalysis,
vol. 368, no. 9. Wiley, 2026.
ista: Petrik A, Bena A, Baunis H, Kelch RM, Yoon TP, Pieber B. 2026. Facile access
to N-substituted pyridyl ligands. Advanced Synthesis & Catalysis. 368(9),
e70417.
mla: Petrik, Adam, et al. “Facile Access to N-Substituted Pyridyl Ligands.” Advanced
Synthesis & Catalysis, vol. 368, no. 9, e70417, Wiley, 2026, doi:10.1002/adsc.70417.
short: A. Petrik, A. Bena, H. Baunis, R.M. Kelch, T.P. Yoon, B. Pieber, Advanced
Synthesis & Catalysis 368 (2026).
corr_author: '1'
date_created: 2026-05-03T22:01:36Z
date_published: 2026-05-05T00:00:00Z
date_updated: 2026-05-07T07:33:33Z
day: '05'
ddc:
- '540'
department:
- _id: BaPi
- _id: GradSch
doi: 10.1002/adsc.70417
file:
- access_level: open_access
checksum: afe9752977898642c903abdc70b4a283
content_type: application/pdf
creator: dernst
date_created: 2026-05-07T07:29:24Z
date_updated: 2026-05-07T07:29:24Z
file_id: '21833'
file_name: 2026_AdvSynthCatal_Petrik.pdf
file_size: 437184
relation: main_file
success: 1
file_date_updated: 2026-05-07T07:29:24Z
has_accepted_license: '1'
intvolume: ' 368'
issue: '9'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
project:
- _id: 8f1d607d-16d5-11f0-9cad-ab453295ba5e
grant_number: PAT 1250924
name: Photoactive ligands for transformative nickel catalysis
publication: Advanced Synthesis & Catalysis
publication_identifier:
eissn:
- 1615-4169
issn:
- 1615-4150
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Facile access to N-substituted pyridyl ligands
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 368
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21777'
abstract:
- lang: eng
text: The advantageous characteristics attributed to the 19F nucleus have made it
a popular target for nuclear magnetic resonance (NMR) once again in recent years.
Aside from solution NMR, an increasing number of studies have been conducted applying
solid-state magic-angle spinning (MAS) NMR to fluorine-labelled samples. Here,
the high chemical shift anisotropy and strong dipolar couplings can be utilised
to get structural insights into proteins and measure long distances. Despite increasing
popularity and promising benefits, the sensitivity of biomolecular 19F MAS NMR
often suffers from slow longitudinal T1 relaxation and therefore long recycle
delays. In this work, we expand paramagnetic doping, an approach commonly used
to reduce proton T1 relaxation times, to 19F-labelled biological samples. We study
the effect of Gd(DTPA) and Gd(DTPA-BMA) on 19F T1 and T2, and 13C T1 and T2 relaxation
in a [5-19F13C]-tryptophan-labelled protein via 19F-detected MAS NMR experiments.
The observed paramagnetic relaxation enhancement substantially reduces measurement
times of 19F MAS NMR experiments without compromising resolution. Additionally,
we report the chemical shift assignments of all four fluorotryptophan signals
in the 12×39 kDa-large protein TET2 using a mutagenesis approach.
acknowledged_ssus:
- _id: NMR
- _id: LifeSc
acknowledgement: We thank Ben P. Tatman for insightful discussions. This research
was supported by the Scientific Service Units (SSUs) of ISTA through resources provided
by the Nuclear Magnetic Resonance Facility and the Lab Support Facility. We thank
Prof. Tobias Madl (Medical University Graz) for a sample of Omniscan. Lea M. Becker
is the recipient of a DOC fellowship of the Austrian Academy of Sciences at the
Institute of Science and Technology Austria (grant no. PR10660EAW01).
article_processing_charge: Yes
article_type: original
author:
- first_name: Lea Marie
full_name: Becker, Lea Marie
id: 36336939-eb97-11eb-a6c2-c83f1214ca79
last_name: Becker
orcid: 0000-0002-6401-5151
- first_name: Giorgia
full_name: Toscano, Giorgia
id: 334a5e40-8747-11f0-b671-ba1f5154b4b4
last_name: Toscano
- first_name: Anna
full_name: Kapitonova, Anna
id: 9fb2a840-89e1-11ee-a8b7-cc5c7ba62471
last_name: Kapitonova
- first_name: Rajkumar
full_name: Singh, Rajkumar
id: a3089acd-6806-11ee-bacc-f0c7d500ad20
last_name: Singh
- first_name: Undina
full_name: Guillerm, Undina
id: bb74f472-ae54-11eb-9835-bc9c22fb1183
last_name: Guillerm
- first_name: Roman J.
full_name: Lichtenecker, Roman J.
last_name: Lichtenecker
- first_name: Paul
full_name: Schanda, Paul
id: 7B541462-FAF6-11E9-A490-E8DFE5697425
last_name: Schanda
orcid: 0000-0002-9350-7606
citation:
ama: Becker LM, Toscano G, Kapitonova A, et al. Accelerated 19F biomolecular magic-angle
spinning NMR with paramagnetic dopants. Magnetic Resonance. 2026;7(1):29-37.
doi:10.5194/mr-7-29-2026
apa: Becker, L. M., Toscano, G., Kapitonova, A., Singh, R., Guillerm, U., Lichtenecker,
R. J., & Schanda, P. (2026). Accelerated 19F biomolecular magic-angle spinning
NMR with paramagnetic dopants. Magnetic Resonance. Copernicus Publications.
https://doi.org/10.5194/mr-7-29-2026
chicago: Becker, Lea Marie, Giorgia Toscano, Anna Kapitonova, Rajkumar Singh, Undina
Guillerm, Roman J. Lichtenecker, and Paul Schanda. “Accelerated 19F Biomolecular
Magic-Angle Spinning NMR with Paramagnetic Dopants.” Magnetic Resonance.
Copernicus Publications, 2026. https://doi.org/10.5194/mr-7-29-2026.
ieee: L. M. Becker et al., “Accelerated 19F biomolecular magic-angle spinning
NMR with paramagnetic dopants,” Magnetic Resonance, vol. 7, no. 1. Copernicus
Publications, pp. 29–37, 2026.
ista: Becker LM, Toscano G, Kapitonova A, Singh R, Guillerm U, Lichtenecker RJ,
Schanda P. 2026. Accelerated 19F biomolecular magic-angle spinning NMR with paramagnetic
dopants. Magnetic Resonance. 7(1), 29–37.
mla: Becker, Lea Marie, et al. “Accelerated 19F Biomolecular Magic-Angle Spinning
NMR with Paramagnetic Dopants.” Magnetic Resonance, vol. 7, no. 1, Copernicus
Publications, 2026, pp. 29–37, doi:10.5194/mr-7-29-2026.
short: L.M. Becker, G. Toscano, A. Kapitonova, R. Singh, U. Guillerm, R.J. Lichtenecker,
P. Schanda, Magnetic Resonance 7 (2026) 29–37.
corr_author: '1'
date_created: 2026-05-03T22:01:36Z
date_published: 2026-04-16T00:00:00Z
date_updated: 2026-05-07T06:49:59Z
day: '16'
ddc:
- '540'
department:
- _id: PaSc
- _id: GradSch
doi: 10.5194/mr-7-29-2026
external_id:
pmid:
- '42057802'
has_accepted_license: '1'
intvolume: ' 7'
issue: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.5194/mr-7-29-2026
month: '04'
oa: 1
oa_version: Published Version
page: 29-37
pmid: 1
project:
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
name: IST Austria Open Access Fund
- _id: 7be609c4-9f16-11ee-852c-85015ce2b9b0
grant_number: '26777'
name: Exploring protein dynamics by solid-state MAS NMR through specific labeling
approaches
publication: Magnetic Resonance
publication_identifier:
eissn:
- 2699-0016
publication_status: published
publisher: Copernicus Publications
quality_controlled: '1'
scopus_import: '1'
status: public
title: Accelerated 19F biomolecular magic-angle spinning NMR with paramagnetic dopants
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 7
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21845'
abstract:
- lang: eng
text: UTe2 exhibits the remarkable phenomenon of re-entrant superconductivity, whereby
the zero-resistance state reappears above 40 tesla after being suppressed with
a field of around 10 tesla. One potential pairing mechanism, invoked in the related
re-entrant superconductors UCoGe and URhGe, involves transverse fluctuations of
a ferromagnetic order parameter. However, the requisite ferromagnetic order—present
in both UCoGe and URhGe—is absent in UTe2, and neutron scattering shows instead
that the magnetic susceptibility is peaked at an antiferromagnetic wavevector.
Here, we measure the magnetotropic susceptibility of UTe2 across two field-angle
planes. This quantity is sensitive to the magnetic susceptibility in a direction
transverse to the applied magnetic field—a quantity that is not accessed in conventional
magnetization measurements. We observe a very large decrease in the magnetotropic
susceptibility over a broad range of field orientations, indicating a large increase
in the transverse magnetic susceptibility. Because our technique probes the magnetic
susceptibility in the long wavelength (q = 0) limit, this suggests that the strong
transverse susceptibility arises from ferromagnetic spin fluctuations. These ferromagnetic
fluctuations are likely important for understanding the pairing mechanism in UTe2,
as all three superconducting phases of UTe2 surround this region of enhanced susceptibility
in the field-angle phase diagram.
acknowledged_ssus:
- _id: NanoFab
acknowledgement: We appreciate technical support from Salvatore Bagiante, Evgeniia
Volobueva, Lubuna Shafeek, Ali Bangura, and Zoltán Köllö, and scientific discussions
with Daniel Agterberg, Johnpierre Paglione, Qimiao Si, Josephine Yu and Yue Yu.
V.Z., A.N., M.N., and K.A.M. acknowledge funding received from the European Research
Council (ERC) under the European Union’s Horizon 2020 research and innovation programme
(TROPIC-101078696). V.Z., A.N., M.N., and K.A.M. thank the ISTA Nanofabrication
Facility for technical support. B.J.R. acknowledges funding from the Office of Basic
Energy Sciences of the United States Department of Energy under award number DE-SC0020143
for data analysis and writing. The National High Magnetic Field Laboratory is supported
by the National Science Foundation through NSF/DMR-2128556*, the State of Florida,
and the U.S. Department of Energy. A.S. acknowledges support from the DOE/BES “Science
of 100 T” grant. A.S. thanks Downtown Subscription in Santa Fe, NM, for their patience
in hosting him. Sample preparation and characterization were supported by the NSF
through DMR-2105191.
article_number: '3742'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Valeska
full_name: Zambra, Valeska
id: 467ed36b-dc96-11ea-b7c8-b043a380b282
last_name: Zambra
orcid: 0000-0002-8806-5719
- first_name: Amit
full_name: Nathwani, Amit
id: 1a362536-4d02-11f1-8543-8351136efc50
last_name: Nathwani
- first_name: Muhammad
full_name: Nauman, Muhammad
id: 32c21954-2022-11eb-9d5f-af9f93c24e71
last_name: Nauman
orcid: 0000-0002-2111-4846
- first_name: Sylvia K.
full_name: Lewin, Sylvia K.
last_name: Lewin
- first_name: Corey E.
full_name: Frank, Corey E.
last_name: Frank
- first_name: Nicholas P.
full_name: Butch, Nicholas P.
last_name: Butch
- first_name: Arkady
full_name: Shekhter, Arkady
last_name: Shekhter
- first_name: B. J.
full_name: Ramshaw, B. J.
last_name: Ramshaw
- first_name: Kimberly A
full_name: Modic, Kimberly A
id: 13C26AC0-EB69-11E9-87C6-5F3BE6697425
last_name: Modic
orcid: 0000-0001-9760-3147
citation:
ama: Zambra V, Nathwani A, Nauman M, et al. Giant transverse magnetic fluctuations
at the edge of re-entrant superconductivity in UTe2. Nature Communications.
2026;17. doi:10.1038/s41467-026-71899-7
apa: Zambra, V., Nathwani, A., Nauman, M., Lewin, S. K., Frank, C. E., Butch, N.
P., … Modic, K. A. (2026). Giant transverse magnetic fluctuations at the edge
of re-entrant superconductivity in UTe2. Nature Communications. Springer
Nature. https://doi.org/10.1038/s41467-026-71899-7
chicago: Zambra, Valeska, Amit Nathwani, Muhammad Nauman, Sylvia K. Lewin, Corey
E. Frank, Nicholas P. Butch, Arkady Shekhter, B. J. Ramshaw, and Kimberly A Modic.
“Giant Transverse Magnetic Fluctuations at the Edge of Re-Entrant Superconductivity
in UTe2.” Nature Communications. Springer Nature, 2026. https://doi.org/10.1038/s41467-026-71899-7.
ieee: V. Zambra et al., “Giant transverse magnetic fluctuations at the edge
of re-entrant superconductivity in UTe2,” Nature Communications, vol. 17.
Springer Nature, 2026.
ista: Zambra V, Nathwani A, Nauman M, Lewin SK, Frank CE, Butch NP, Shekhter A,
Ramshaw BJ, Modic KA. 2026. Giant transverse magnetic fluctuations at the edge
of re-entrant superconductivity in UTe2. Nature Communications. 17, 3742.
mla: Zambra, Valeska, et al. “Giant Transverse Magnetic Fluctuations at the Edge
of Re-Entrant Superconductivity in UTe2.” Nature Communications, vol. 17,
3742, Springer Nature, 2026, doi:10.1038/s41467-026-71899-7.
short: V. Zambra, A. Nathwani, M. Nauman, S.K. Lewin, C.E. Frank, N.P. Butch, A.
Shekhter, B.J. Ramshaw, K.A. Modic, Nature Communications 17 (2026).
corr_author: '1'
date_created: 2026-05-10T22:02:15Z
date_published: 2026-04-29T00:00:00Z
date_updated: 2026-05-11T06:36:00Z
day: '29'
ddc:
- '530'
department:
- _id: KiMo
- _id: GradSch
doi: 10.1038/s41467-026-71899-7
external_id:
arxiv:
- '2506.08984'
file:
- access_level: open_access
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creator: dernst
date_created: 2026-05-11T06:32:12Z
date_updated: 2026-05-11T06:32:12Z
file_id: '21850'
file_name: 2026_NatureComm_Zambra.pdf
file_size: 1784917
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success: 1
file_date_updated: 2026-05-11T06:32:12Z
has_accepted_license: '1'
intvolume: ' 17'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
project:
- _id: bd968c70-d553-11ed-ba76-cde40b0aba64
grant_number: '101078696'
name: Gaining leverage with spin liquids and superconductors
publication: Nature Communications
publication_identifier:
eissn:
- 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
record:
- id: '21174'
relation: research_data
status: public
scopus_import: '1'
status: public
title: Giant transverse magnetic fluctuations at the edge of re-entrant superconductivity
in UTe2
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 17
year: '2026'
...
---
OA_place: publisher
_id: '21854'
abstract:
- lang: eng
text: "As neural-network-based models grow both in size and popularity, interest
has grown in making the models smaller and more efficient to train. To that end,
many methods have been proposed to prune models by reducing their number of nonzero
parameters. Additionally, parameter-efficient fine-tuning, in which a much smaller
number of parameters than the total contained in the model is updated during training,
has become very popular, especially in the space of Large Language Models. At
the same time, the increasingly routine deployment of machine learning in real-world
applications has spurred a drive to make them more trustworthy - in the sense
of, among other things, being unbiased, interpretable, and editable. In this thesis,
we examine the interplay between efficiency and trustworthiness.\r\n\r\nFirst,
we analyze the effects of model pruning on bias in computer vision models, demonstrating
that increased sparsity leads to greater bias, largely as a function of increased
model uncertainty in marginal cases. Based on this observation, we propose several
bias mitigation techniques. Then, we demonstrate that example-specific model pruning
can improve model interpretation methods while improving pruning efficiency to
make example-specific model pruning feasible in real time. Then, we investigate
the effectiveness of parameter-efficient and data-efficient model personalization
via fine-tuning, demonstrating that it is highly feasible with very small computational
and data resources. Finally, we consider efficiency in editing model knowledge
using a custom synthetic data framework, demonstrating that parameter-efficient,
low-rank fine-tuning frequently outperforms full-rank fine-tuning, and, additionally,
that restricting which model blocks are fine-tuned frequently improves results.
Together, the results in this thesis provide new insights and techniques for combining
trustworthiness and efficiency during neural network inference and training.\r\n\r\n-----------------“In
reference to IEEE copyrighted material which is used with permission in this thesis,
the IEEE does not endorse any of [name of university or educational entity]’s
products or services. Internal or personal use of this material is permitted.
If interested in reprinting/republishing IEEE copyrighted material for advertising
or promotional purposes or for creating new collective works for resale or redistribution,
please go to http://www.ieee.org/publications_standards/publications/rights/rights_link.html
to learn how to obtain a License from RightsLink. If applicable, University Microfilms
and/or ProQuest Library, or the Archives of Canada may supply single copies of
the dissertation.”"
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "The research in this Ph.D. was funded in whole\r\nor in part by
the Austrian Science Fund (FWF) W1260-N35 (Vienna Graduate School for\r\nComputational
Optimization). For open access purposes the author has applied a CC BY\r\npublic
copyright license to any author accepted manuscript version arising from this submission\r\nwherever
possible. Additionally, I am grateful to Alois Schlögl, Waleed Khalid, and the rest
of\r\nthe ISTA Scientific Computing team for building and maintaining the infrastructure
I used\r\nto run experiments. I’m also deeply grateful to the Alistarh group’s administrative
assistant,\r\nChristine Francois, who always deals with our nonsense with common
sense and a smile.\r\n"
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Eugenia B
full_name: Iofinova, Eugenia B
id: f9a17499-f6e0-11ea-865d-fdf9a3f77117
last_name: Iofinova
orcid: 0000-0002-7778-3221
citation:
ama: Iofinova EB. On the utility and effects of efficiency in artificial neural
networks. 2026. doi:10.15479/AT-ISTA-21854
apa: Iofinova, E. B. (2026). On the utility and effects of efficiency in artificial
neural networks. Institute of Science and Technology Austria. https://doi.org/10.15479/AT-ISTA-21854
chicago: Iofinova, Eugenia B. “On the Utility and Effects of Efficiency in Artificial
Neural Networks.” Institute of Science and Technology Austria, 2026. https://doi.org/10.15479/AT-ISTA-21854.
ieee: E. B. Iofinova, “On the utility and effects of efficiency in artificial neural
networks,” Institute of Science and Technology Austria, 2026.
ista: Iofinova EB. 2026. On the utility and effects of efficiency in artificial
neural networks. Institute of Science and Technology Austria.
mla: Iofinova, Eugenia B. On the Utility and Effects of Efficiency in Artificial
Neural Networks. Institute of Science and Technology Austria, 2026, doi:10.15479/AT-ISTA-21854.
short: E.B. Iofinova, On the Utility and Effects of Efficiency in Artificial Neural
Networks, Institute of Science and Technology Austria, 2026.
corr_author: '1'
date_created: 2026-05-11T08:43:22Z
date_published: 2026-05-11T00:00:00Z
date_updated: 2026-05-19T11:20:28Z
day: '11'
ddc:
- '000'
degree_awarded: PhD
department:
- _id: GradSch
- _id: DaAl
doi: 10.15479/AT-ISTA-21854
file:
- access_level: closed
checksum: 2e148dad920e3f9b7c32796e0ba2e5f7
content_type: application/zip
creator: eiofinov
date_created: 2026-05-11T08:36:01Z
date_updated: 2026-05-11T08:36:01Z
file_id: '21856'
file_name: EIofinova_thesis_FinalVersion.zip
file_size: 28479571
relation: source_file
- access_level: open_access
checksum: b10c2933f386f532b2dbf28b19c5525c
content_type: application/pdf
creator: eiofinov
date_created: 2026-05-13T13:10:48Z
date_updated: 2026-05-13T13:10:48Z
file_id: '21877'
file_name: 2026_Iofinova_Eugenia_Thesis.pdf
file_size: 18137757
relation: main_file
success: 1
file_date_updated: 2026-05-13T13:10:48Z
has_accepted_license: '1'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: '237'
project:
- _id: 9B9290DE-BA93-11EA-9121-9846C619BF3A
grant_number: W1260-N35
name: Vienna Graduate School on Computational Optimization
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '14771'
relation: part_of_dissertation
status: public
- id: '18121'
relation: part_of_dissertation
status: public
- id: '21858'
relation: part_of_dissertation
status: public
- id: '21859'
relation: part_of_dissertation
status: public
- id: '21857'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Dan-Adrian
full_name: Alistarh, Dan-Adrian
id: 4A899BFC-F248-11E8-B48F-1D18A9856A87
last_name: Alistarh
orcid: 0000-0003-3650-940X
title: On the utility and effects of efficiency in artificial neural networks
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: publisher
OA_type: green
_id: '21857'
abstract:
- lang: eng
text: "The availability of powerful open-source large language models (LLMs) opens
exciting use cases, such as using personal data to fine-tune these models to imitate
a user’s unique writing style. Two key requirements for this functionality are
personalization–in the sense that the output should recognizably reflect the user’s
own writing style—and privacy–users may justifiably be wary of uploading extremely
personal data, such as their email archive, to a third-party service. In this
paper, we demonstrate the feasibility of training and running such an assistant,
which we call Panza, on commodity hardware, for the specific use case of email
generation. Panza’s personalization features are based on a combination of parameter-efficient
fine-tuning using a variant of the Reverse Instructions technique [1] and Retrieval-Augmented
Generation (RAG) [2]. We demonstrate that this combination allows us to fine-tune
an LLM to reflect a user’s writing style using limited data, while executing on
extremely limited resources, e.g. on a free Google Colab instance. Our key methodological
contribution is the first detailed study of evaluation metrics for this task,
and\r\nof how different choices of system components–the use of RAG and of different
fine-tuning approaches–impact the system’s performance. Additionally, we demonstrate
that very little data - under 100 email samples - are sufficient to create models
that convincingly imitate humans, showcasing a previously unknown attack vector
in language models. We are releasing the full Panza code as well as three new
email datasets licensed for research use."
article_number: '81'
article_processing_charge: No
author:
- first_name: Armand
full_name: Nicolicioiu, Armand
last_name: Nicolicioiu
- first_name: Eugenia B
full_name: Iofinova, Eugenia B
id: f9a17499-f6e0-11ea-865d-fdf9a3f77117
last_name: Iofinova
orcid: 0000-0002-7778-3221
- first_name: Andrej
full_name: Jovanovic, Andrej
last_name: Jovanovic
- first_name: Eldar
full_name: Kurtic, Eldar
id: 47beb3a5-07b5-11eb-9b87-b108ec578218
last_name: Kurtic
- first_name: Mahdi
full_name: Nikdan, Mahdi
id: 66374281-f394-11eb-9cf6-869147deecc0
last_name: Nikdan
- first_name: Andrei
full_name: Panferov, Andrei
id: 2c18daae-4dbe-11ef-8491-98ce2d960f09
last_name: Panferov
- first_name: Ilia
full_name: Markov, Ilia
id: D0CF4148-C985-11E9-8066-0BDEE5697425
last_name: Markov
- first_name: Nir
full_name: Shavit, Nir
last_name: Shavit
- first_name: Dan-Adrian
full_name: Alistarh, Dan-Adrian
id: 4A899BFC-F248-11E8-B48F-1D18A9856A87
last_name: Alistarh
orcid: 0000-0003-3650-940X
citation:
ama: 'Nicolicioiu A, Iofinova EB, Jovanovic A, et al. Panza: Investigating the
Feasibility of Fully-Local Personalized Text Generation. OpenReview; 2026.'
apa: 'Nicolicioiu, A., Iofinova, E. B., Jovanovic, A., Kurtic, E., Nikdan, M., Panferov,
A., … Alistarh, D.-A. (2026). Panza: Investigating the feasibility of fully-local
personalized text generation. Third Conference on Parsimony and Learning
(Proceedings Track). Tübíngen, Germany: OpenReview.'
chicago: 'Nicolicioiu, Armand, Eugenia B Iofinova, Andrej Jovanovic, Eldar Kurtic,
Mahdi Nikdan, Andrei Panferov, Ilia Markov, Nir Shavit, and Dan-Adrian Alistarh.
Panza: Investigating the Feasibility of Fully-Local Personalized Text Generation.
Third Conference on Parsimony and Learning (Proceedings Track). OpenReview,
2026.'
ieee: 'A. Nicolicioiu et al., Panza: Investigating the feasibility of
fully-local personalized text generation. OpenReview, 2026.'
ista: 'Nicolicioiu A, Iofinova EB, Jovanovic A, Kurtic E, Nikdan M, Panferov A,
Markov I, Shavit N, Alistarh D-A. 2026. Panza: Investigating the feasibility of
fully-local personalized text generation, OpenReview,p.'
mla: 'Nicolicioiu, Armand, et al. “Panza: Investigating the Feasibility of Fully-Local
Personalized Text Generation.” Third Conference on Parsimony and Learning (Proceedings
Track), 81, OpenReview, 2026.'
short: 'A. Nicolicioiu, E.B. Iofinova, A. Jovanovic, E. Kurtic, M. Nikdan, A. Panferov,
I. Markov, N. Shavit, D.-A. Alistarh, Panza: Investigating the Feasibility of
Fully-Local Personalized Text Generation, OpenReview, 2026.'
conference:
end_date: 2026-03-26
location: Tübíngen, Germany
name: 'CPAL: Conference on Parsimony and Learning'
start_date: 2026-03-23
corr_author: '1'
date_created: 2026-05-11T08:50:28Z
date_published: 2026-03-06T00:00:00Z
date_updated: 2026-05-19T11:20:27Z
day: '06'
department:
- _id: GradSch
- _id: DaAl
keyword:
- LLMs
- PEFT
- LoRA
- personalization
- efficient ML
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://openreview.net/pdf?id=soFWnTqd23
month: '03'
oa: 1
oa_version: Accepted Version
publication: Third Conference on Parsimony and Learning (Proceedings Track)
publication_status: published
publisher: OpenReview
quality_controlled: '1'
related_material:
record:
- id: '21854'
relation: dissertation_contains
status: public
status: public
title: 'Panza: Investigating the feasibility of fully-local personalized text generation'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference_poster
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '21859'
abstract:
- lang: eng
text: As artificial neural networks, and specifically large language models, have
improved rapidly in capabilities and quality, they have increasingly been deployed
in real-world applications, from customer service to Google search, despite the
fact that they frequently make factually incorrect or undesirable statements.
This trend has inspired practical and academic interest in model editing, that
is, in adjusting the weights of the model to modify its likely outputs for queries
relating to a specific fact or set of facts. This may be done either to amend
a fact or set of facts, for instance, to fix a frequent error in the training
data, or to suppress a fact or set of facts entirely, for instance, in case of
dangerous knowledge. Multiple methods have been proposed to do such edits. However,
at the same time, it has been shown that such model editing can be brittle and
incomplete. Moreover the effectiveness of any model editing method necessarily
depends on the data on which the model is trained, and, therefore, a good understanding
of the interaction of the training data distribution and the way it is stored
in the network is necessary and helpful to reliably perform model editing. However,
working with large language models trained on real-world data does not allow us
to understand this relationship or fully measure the effects of model editing.
We therefore propose Behemoth, a fully synthetic data generation framework. To
demonstrate the practical insights from the framework, we explore model editing
in the context of simple tabular data, demonstrating surprising findings that,
in some cases, echo real-world results, for instance, that in some cases restricting
the update rank results in a more effective update.
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "EI thanks Weiwei Yang, Janardhan Kulkani, and Kate Lytvynets for
their advice and support in\r\ndeveloping an earlier version of the Behemoth library.
This research was supported by the Scientific\r\nService Units (SSU) of IST Austria
through resources provided by Scientific Computing (SciComp).\r\nEI was supported
in part by the FWF DK VGSCO, grant agreement number W1260-N35.\r\n"
article_processing_charge: No
arxiv: 1
author:
- first_name: Eugenia B
full_name: Iofinova, Eugenia B
id: f9a17499-f6e0-11ea-865d-fdf9a3f77117
last_name: Iofinova
orcid: 0000-0002-7778-3221
- first_name: Dan-Adrian
full_name: Alistarh, Dan-Adrian
id: 4A899BFC-F248-11E8-B48F-1D18A9856A87
last_name: Alistarh
orcid: 0000-0003-3650-940X
citation:
ama: 'Iofinova EB, Alistarh D-A. Behemoth: Benchmarking unlearning in LLMs using
fully synthetic data. arXiv. doi:10.48550/arXiv.2601.23153'
apa: 'Iofinova, E. B., & Alistarh, D.-A. (n.d.). Behemoth: Benchmarking unlearning
in LLMs using fully synthetic data. arXiv. https://doi.org/10.48550/arXiv.2601.23153'
chicago: 'Iofinova, Eugenia B, and Dan-Adrian Alistarh. “Behemoth: Benchmarking
Unlearning in LLMs Using Fully Synthetic Data.” ArXiv, n.d. https://doi.org/10.48550/arXiv.2601.23153.'
ieee: 'E. B. Iofinova and D.-A. Alistarh, “Behemoth: Benchmarking unlearning in
LLMs using fully synthetic data,” arXiv. .'
ista: 'Iofinova EB, Alistarh D-A. Behemoth: Benchmarking unlearning in LLMs using
fully synthetic data. arXiv, 10.48550/arXiv.2601.23153.'
mla: 'Iofinova, Eugenia B., and Dan-Adrian Alistarh. “Behemoth: Benchmarking Unlearning
in LLMs Using Fully Synthetic Data.” ArXiv, doi:10.48550/arXiv.2601.23153.'
short: E.B. Iofinova, D.-A. Alistarh, ArXiv (n.d.).
corr_author: '1'
date_created: 2026-05-11T08:58:07Z
date_published: 2026-01-30T00:00:00Z
date_updated: 2026-05-19T11:20:27Z
day: '30'
department:
- _id: GradSch
- _id: DaAl
doi: 10.48550/arXiv.2601.23153
external_id:
arxiv:
- '2601.23153'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2601.23153
month: '01'
oa: 1
oa_version: Preprint
project:
- _id: 9B9290DE-BA93-11EA-9121-9846C619BF3A
grant_number: W1260-N35
name: Vienna Graduate School on Computational Optimization
publication: arXiv
publication_status: draft
related_material:
record:
- id: '21854'
relation: dissertation_contains
status: public
status: public
title: 'Behemoth: Benchmarking unlearning in LLMs using fully synthetic data'
type: preprint
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: publisher
_id: '21863'
abstract:
- lang: eng
text: "Atoms and photons, two things so different but yet so alike. The former,
the building block of matter, something we learn about in school and imagine it
as some tiny marbles encircled by other tinier marbles. The latter, an electromagnetic
wave, a light particle or an excitation of the electromagnetic field. Quantum
mechanics tells us about the properties of these two entities. And even if it
sounds, looks and writes counter-intuitive, it has proven right for over a century
now.\r\n\r\nIn this work, I elaborate on how we tested the laws of quantum mechanics
and how we used them learn more about the tiny building blocks of nature and the
fields they use to talk to each other. The atoms we use, are artificial. Superconducting
qubits, small electrical circuits with quantized energy levels behave like electrons
that transition between different orbitals in an atom. One of the qubits' advantages,
is also a big disadvantage. We design the circuits' energy levels and fabricate
them in a cleanroom. This allows for arbitrary spaced energy levels but in contrast
to real atoms, prevents two superconducting qubits from being alike. Still, this
qubit platform is one of the frontrunners for future quantum computing technology
and testing fundamental physics due to their scalability.\r\n\r\nWe interface
superconducting qubits, which operate in the GHz regime, with microwave photons.
We use 3D aluminum cavities as mediators between qubits and photons. The cavities
allow for non-destructive readout of the qubit state, they shield the qubits from
noise at the qubit frequency and they give us an easy way to frequency-tune these
joint systems.\r\n\r\nWe need to operate superconducting qubits and their cavities
at millikelvin temperatures in dilution refrigerators. At higher temperatures,
superconductivity suffers and even worse, the environment is filled with thermal
noise photons. This poses a fundamental limitation on the scalability of superconducting
qubit devices. Also connecting multiple devices in different fridges does not
work over room temperature links because the microwave photons used for this purpose
will be covered in noise and the quantum information they carry, will be unusable.\r\n\r\nInfrared
photons do not suffer from this noise problem since there are close to zero thermal
noise photons at their frequencies at room temperature. We cannot simply interface
superconducting devices with optical photons due their frequency mismatch and
the destructive effect of optical photons on superconductors. Therefore, we use
microwave-to-optics transducers that allow to convert microwave photons into optical
ones and vice-versa. The transducers that we use are macroscopic electro-optic
transducers using the Pockels effect in a disk-shaped Lithium Niobate whispering
gallery mode resonator. By using a strong optical pump, photons from the two frequency
domains experience a beam-splitter interaction and get converted from one to the
other.\r\n\r\nWe measure the generated optical photons using elaborate optical
setups, optical heterodyning and single photon detectors to gain knowledge about
the qubit state or the converted microwave photons. Bridging the microwave and
the optical world allows us to take advantage of both of their strengths but it
also requires deep knowledge about both of their working principles.\r\n\r\nIn
this work, we describe two experiments that our group conducted to showcase the
opportunities that arise from interfacing superconducting qubits with optical
photons but also the pitfalls, one may encounter on the way.\r\n\r\nIn the first
experiment, we managed to all-optically read out a superconducting qubit. We show
that the assignment fidelity, the probability that a measurement of the qubit
state matches the prepared state, is close to equal for all-optical, microwave-to-optics
and conventional microwave readout. We show T1 and T2 measurements for all three
readout types and give an analysis of the noise caused by the optics. Finally,
we show that the infrared light does not affect the qubit performance in a negative
way but that the heating it causes does. This is an important insight that we
used in the next experiment.\r\n\r\nThe second experiment is the upconversion
of itinerant single microwave photons to the optical domain. We show that we can
generate single microwave photons from a qubit-cavity system. We upconvert these
single photons, measure them with a single photon detector and reconstruct their
shape. By conducting a single photon Rabi measurement, we show correlations between
the microwave and the optical domain. And by thorough signal-to-noise measurements
and noise analysis, we find that we can generate single infrared photons with
high signal-to-noise ratio 5.1 and low transducer added noise (<0.012 quanta).
We show that this measurement creates a path towards entanglement of a superconducting
qubit and an optical photon and what parameters need to be improved to achieve
it. Additionally, this experiment is a proof of principle for an on-demand infrared
single photon source. More generally, it allows to link microwave quantum technology
in general to the optical domain."
acknowledged_ssus:
- _id: M-Shop
- _id: NanoFab
- _id: LifeSc
- _id: SSU
acknowledgement: "The author of this work was supported by the European Research Council
under grant no.\r\n101089099 (ERC CoG cQEO) and the European Union’s Horizon 2020
research and innovation\r\nprogram under grant no. 899354 (FETopen SuperQuLAN).\r\nThis
work was also supported by the European Research Council under grant nos. 758053\r\n(ERC
StG QUNNECT), 101248662 (ERC POC CoupledEOT), and the European Innovation\r\nCouncil
no. 101187231 (PathfinderOpen CIELO). This research was funded in whole or in part\r\nby
the Austrian Science Fund (FWF) [10.55776/F71]. For open access purposes, the author\r\nhas
applied a CC BY public copyright license to any author accepted manuscript version
arising\r\nfrom this submission.\r\niii\r\nMy co-authors in the works mentioned
later acknowledge generous support from the ISTFELLOW program, the NOMIS-ISTA fellowship,
the Horizon Europe Program HORIZONCL4-2022-QUANTUM-01-SGA via Project No. 101113946
OpenSuperQPlus100 and a DOC fellowship of the Austrian Academy of Sciences at IST
Austria.\r\n"
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Thomas
full_name: Werner, Thomas
id: 1fcd8497-dba3-11ea-a45e-c6fbd715f7c7
last_name: Werner
orcid: 0009-0001-2346-5236
citation:
ama: Werner T. Interfacing superconducting qubits with optical photons. 2026. doi:10.15479/AT-ISTA-21863
apa: Werner, T. (2026). Interfacing superconducting qubits with optical photons.
Institute of Science and Technology Austria. https://doi.org/10.15479/AT-ISTA-21863
chicago: Werner, Thomas. “Interfacing Superconducting Qubits with Optical Photons.”
Institute of Science and Technology Austria, 2026. https://doi.org/10.15479/AT-ISTA-21863.
ieee: T. Werner, “Interfacing superconducting qubits with optical photons,” Institute
of Science and Technology Austria, 2026.
ista: Werner T. 2026. Interfacing superconducting qubits with optical photons. Institute
of Science and Technology Austria.
mla: Werner, Thomas. Interfacing Superconducting Qubits with Optical Photons.
Institute of Science and Technology Austria, 2026, doi:10.15479/AT-ISTA-21863.
short: T. Werner, Interfacing Superconducting Qubits with Optical Photons, Institute
of Science and Technology Austria, 2026.
corr_author: '1'
date_created: 2026-05-12T09:04:02Z
date_published: 2026-05-12T00:00:00Z
date_updated: 2026-05-20T13:35:43Z
day: '12'
ddc:
- '530'
- '537'
- '539'
degree_awarded: PhD
department:
- _id: GradSch
- _id: JoFi
doi: 10.15479/AT-ISTA-21863
ec_funded: 1
file:
- access_level: open_access
checksum: a5b4d8dba83f96e955a3625c0eebee98
content_type: application/pdf
creator: twerner
date_created: 2026-05-15T15:53:57Z
date_updated: 2026-05-15T15:53:57Z
file_id: '21879'
file_name: 2026_Werner_Thomas_Thesis.pdf
file_size: 9330516
relation: main_file
- access_level: closed
checksum: b41282beaacfb32472769b9e3b1758d8
content_type: application/x-zip-compressed
creator: twerner
date_created: 2026-05-15T15:54:06Z
date_updated: 2026-05-15T15:54:06Z
file_id: '21880'
file_name: 2026_Werner_Thomas_Thesis.zip
file_size: 9370704
relation: source_file
file_date_updated: 2026-05-15T15:54:06Z
has_accepted_license: '1'
keyword:
- Superconducting qubits
- Quantum optics
- Single photons and quantum effects
- Nonlinear optics
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
page: '97'
project:
- _id: bdadfa0d-d553-11ed-ba76-fb85edbd456a
grant_number: '101089099'
name: 'Cavity Quantum Electro Optics: Microwave photonics with nonclassical states'
- _id: 9B868D20-BA93-11EA-9121-9846C619BF3A
call_identifier: H2020
grant_number: '899354'
name: Quantum Local Area Networks with Superconducting Qubits
- _id: 26336814-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '758053'
name: A Fiber Optic Transceiver for Superconducting Qubits
- _id: 5b807754-ab3d-11f0-914f-ff8c34502cc9
grant_number: '101248662'
name: Integrated optical coupling for low loss electro-optic interconnects
- _id: 91aaf765-16d5-11f0-9cad-a8e7e44cccb7
grant_number: '101187231'
name: 'Cavity-Integrated Electro-Optics: Measuring, Converting and Manipulating
Microwaves with Light'
- _id: bdb108fd-d553-11ed-ba76-83dc74a9864f
grant_number: F07105
name: QUANTUM INFORMATION SYSTEMS BEYOND CLASSICAL CAPABILITIES / P5- Integration
of Superconducting Quantum Circuits
- _id: bdb7cfc1-d553-11ed-ba76-d2eaab167738
grant_number: '101080139'
name: Open Superconducting Quantum Computers (OpenSuperQPlus)
- _id: 9B861AAC-BA93-11EA-9121-9846C619BF3A
name: NOMIS Fellowship Program
publication_identifier:
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '19073'
relation: part_of_dissertation
status: public
- id: '21870'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Johannes M
full_name: Fink, Johannes M
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
title: Interfacing superconducting qubits with optical photons
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: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '21870'
abstract:
- lang: eng
text: Superconducting qubits are a leading candidate for utility-scale quantum computing
due to their fast gate speeds and steadily decreasing error rates. The requirement
for millikelvin operating temperatures, however, creates a significant scaling
bottleneck. Modular architectures using optical fiber links could bridge separate
cryogenic nodes, but superconducting circuits do not have coherent optical transitions
and microwave-to-optical conversion has not been shown for any non-classical photon
state. In this work, we demonstrate the on-demand generation and tomographic reconstruction
of itinerant single microwave photons at 8.9 GHz from a superconducting qubit.
We upconvert this non-Gaussian state with a transducer added noise below 0.012
quanta and count the converted telecom photons at 193.4 THz with a signal-to-noise
ratio of up to 5.1$\pm$1.1. We characterize the trade-offs between throughput
and noise, and establish a viable path toward heralded entanglement distribution
and gate teleportation. Looking ahead, these results empower existing superconducting
devices to take a key role in distributed quantum technologies and heterogeneous
quantum systems.
acknowledgement: "We thank Fritz Diorico and Onur Hosten who suggested the filter
cavity design, and gave important insights about the assembly and the testing of
the FabryPerot filter cavities. Ekatrina Fedotova and Diego A.\r\nLancheros Naranjo
worked on the filter cavity setup in\r\nthe early stages of this work. Gustavo Wiederhecker
and\r\nYiewen Chu provided insights as to the origins of the\r\nobserved optical
noise and Nicola Carlon Zambon suggested using telecom filters to mitigate it further.
This\r\nwork was supported by the European Research Council under grant agreement
no. 101089099 (ERC CoG\r\ncQEO), and 101248662 (ERC POC CoupledEOT), the\r\nEuropean
Unions Horizon 2020 research and innovation\r\nprogram under grant agreement no.
899354 (FETopen\r\nSuperQuLAN), the European Innovation Council no.\r\n101187231
(PathfinderOpen CIELO), and the Austrian\r\nScience Fund (FWF) no. F7105 (SFB BeyondC).
J.F.\r\nand L.K. acknowledge support from the Horizon Europe\r\nProgram HORIZON-CL4-2022-QUANTUM-01-SGA
via\r\nProject No. 101113946 OpenSuperQPlus100. A.M. acknowledges support from the
NOMIS-ISTA fellowship."
article_processing_charge: No
arxiv: 1
author:
- first_name: Thomas
full_name: Werner, Thomas
id: 1fcd8497-dba3-11ea-a45e-c6fbd715f7c7
last_name: Werner
orcid: 0009-0001-2346-5236
- first_name: Erfan
full_name: Riyazi, Erfan
id: 53322f94-5355-11ee-ae5a-ff6f81c87d51
last_name: Riyazi
- first_name: Samarth
full_name: Hawaldar, Samarth
id: 221708e1-1ff6-11ee-9fa6-85146607433e
last_name: Hawaldar
orcid: 0000-0002-1965-4309
- first_name: Rishabh
full_name: Sahu, Rishabh
id: 47D26E34-F248-11E8-B48F-1D18A9856A87
last_name: Sahu
orcid: 0000-0001-6264-2162
- first_name: Georg M
full_name: Arnold, Georg M
id: 3770C838-F248-11E8-B48F-1D18A9856A87
last_name: Arnold
orcid: 0000-0003-1397-7876
- first_name: Paul Falthansl-Scheinecker
full_name: Paul Falthansl-Scheinecker, Paul Falthansl-Scheinecker
last_name: Paul Falthansl-Scheinecker
- first_name: Jennifer A. Sánchez
full_name: Naranjo, Jennifer A. Sánchez
last_name: Naranjo
- first_name: Dante
full_name: Loi, Dante
last_name: Loi
- first_name: Lucky N.
full_name: Kapoor, Lucky N.
last_name: Kapoor
- first_name: Martin
full_name: Zemlicka, Martin
id: 2DCF8DE6-F248-11E8-B48F-1D18A9856A87
last_name: Zemlicka
orcid: 0009-0005-0878-3032
- first_name: Liu
full_name: Qiu, Liu
id: 45e99c0d-1eb1-11eb-9b96-ed8ab2983cac
last_name: Qiu
orcid: 0000-0003-4345-4267
- first_name: Andrei
full_name: Militaru, Andrei
id: d67706f8-8eb1-11ee-ad1b-9c30dfa19e0b
last_name: Militaru
- first_name: Johannes M
full_name: Fink, Johannes M
id: 4B591CBA-F248-11E8-B48F-1D18A9856A87
last_name: Fink
orcid: 0000-0001-8112-028X
citation:
ama: Werner T, Riyazi E, Hawaldar S, et al. Electro-optic conversion of itinerant
Fock states. arXiv. doi:10.48550/arXiv.2602.00928
apa: Werner, T., Riyazi, E., Hawaldar, S., Sahu, R., Arnold, G. M., Paul Falthansl-Scheinecker,
P. F.-S., … Fink, J. M. (n.d.). Electro-optic conversion of itinerant Fock states.
arXiv. https://doi.org/10.48550/arXiv.2602.00928
chicago: Werner, Thomas, Erfan Riyazi, Samarth Hawaldar, Rishabh Sahu, Georg M Arnold,
Paul Falthansl-Scheinecker Paul Falthansl-Scheinecker, Jennifer A. Sánchez Naranjo,
et al. “Electro-Optic Conversion of Itinerant Fock States.” ArXiv, n.d.
https://doi.org/10.48550/arXiv.2602.00928.
ieee: T. Werner et al., “Electro-optic conversion of itinerant Fock states,”
arXiv. .
ista: Werner T, Riyazi E, Hawaldar S, Sahu R, Arnold GM, Paul Falthansl-Scheinecker
PF-S, Naranjo JAS, Loi D, Kapoor LN, Zemlicka M, Qiu L, Militaru A, Fink JM. Electro-optic
conversion of itinerant Fock states. arXiv, 10.48550/arXiv.2602.00928.
mla: Werner, Thomas, et al. “Electro-Optic Conversion of Itinerant Fock States.”
ArXiv, doi:10.48550/arXiv.2602.00928.
short: T. Werner, E. Riyazi, S. Hawaldar, R. Sahu, G.M. Arnold, P.F.-S. Paul Falthansl-Scheinecker,
J.A.S. Naranjo, D. Loi, L.N. Kapoor, M. Zemlicka, L. Qiu, A. Militaru, J.M. Fink,
ArXiv (n.d.).
corr_author: '1'
date_created: 2026-05-12T13:58:18Z
date_published: 2026-01-31T00:00:00Z
date_updated: 2026-05-20T13:35:42Z
day: '31'
department:
- _id: JoFi
- _id: GradSch
doi: 10.48550/arXiv.2602.00928
ec_funded: 1
external_id:
arxiv:
- '2602.00928'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.48550/arXiv.2602.00928
month: '01'
oa: 1
oa_version: Preprint
project:
- _id: bdadfa0d-d553-11ed-ba76-fb85edbd456a
grant_number: '101089099'
name: 'Cavity Quantum Electro Optics: Microwave photonics with nonclassical states'
- _id: 5b807754-ab3d-11f0-914f-ff8c34502cc9
grant_number: '101248662'
name: Integrated optical coupling for low loss electro-optic interconnects
- _id: 9B868D20-BA93-11EA-9121-9846C619BF3A
call_identifier: H2020
grant_number: '899354'
name: Quantum Local Area Networks with Superconducting Qubits
- _id: 91aaf765-16d5-11f0-9cad-a8e7e44cccb7
grant_number: '101187231'
name: 'Cavity-Integrated Electro-Optics: Measuring, Converting and Manipulating
Microwaves with Light'
- _id: 26927A52-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: F07105
name: Integrating superconducting quantum circuits
- _id: 9B861AAC-BA93-11EA-9121-9846C619BF3A
name: NOMIS Fellowship Program
publication: arXiv
publication_status: draft
related_material:
record:
- id: '21863'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Electro-optic conversion of itinerant Fock states
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: preprint
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '21917'
abstract:
- lang: eng
text: A defining feature of quantum many-body systems is the exponential scaling
of the Hilbert space with the number of degrees of freedom. This exponential complexity
naïvely renders a complete state characterization, for instance via the complete
set of bipartite Renyi entropies for all disjoint regions, a challenging task.
Recently, a compact way of storing subregions' purities by encoding them as amplitudes
of a fictitious quantum wave function, known as entanglement feature, was proposed.
Notably, the entanglement feature can be a simple object even for highly entangled
quantum states. However the complexity and practical usage of the entanglement
feature for general quantum states has not been explored. In this work, we demonstrate
that the entanglement feature can be efficiently learned using only a polynomial
amount of samples in the number of degrees of freedom through the so-called tensor
cross interpolation (TCI) algorithm, assuming it is expressible as a finite bond
dimension MPS. We benchmark this learning process on Haar and random MPS states,
confirming analytic expectations. Applying the TCI algorithm to quantum eigenstates
of various one dimensional quantum systems, we identify cases where eigenstates
have entanglement feature learnable with TCI. We conclude with possible applications
of the learned entanglement feature, such as quantifying the distance between
different entanglement patterns and finding the optimal one-dimensional ordering
of physical indices in a given state, highlighting the potential utility of the
proposed purity interpolation method.
acknowledgement: "We acknowledge useful discussions with Richard Küng\r\non the interpolation
methods and error spreading, Ilia\r\nA. Luchnikov, Margarita Davydova, and, in particular,
Hiroshi Shinaoka, Marc Ritter, Yuriel Nuñez\r\nfor useful discussions about TCI
and the various\r\nworkarounds within the TensorCrossInterpolation.jl\r\nlibrary.
We also acknowledge the comments of anonymous Referee B, that encouraged us to expand
the\r\nmanuscript with discussion of additional applications\r\nof entanglement
feature in Section 4.3. M.S. acknowledges discussions with D. V. Savostyanov at
the 2nd\r\nInternational Quantum Tensor Networks (IQTN) plenary meeting at Flatiron
Institute’s Center for Computational Quantum Physics (CCQ) for introduction\r\nto
the TCI approach. D.K and M.S. acknowledge support by the European Research Council
(ERC) under We acknowledge useful discussions with Richard Küng\r\non the interpolation
methods and error spreading, Ilia\r\nA. Luchnikov, Margarita Davydova, and, in particular,
Hiroshi Shinaoka, Marc Ritter, Yuriel Nuñez\r\nfor useful discussions about TCI
and the various\r\nworkarounds within the TensorCrossInterpolation.jl\r\nlibrary.
We also acknowledge the comments of anonymous Referee B, that encouraged us to expand
the\r\nmanuscript with discussion of additional applications\r\nof entanglement
feature in Section 4.3. M.S. acknowledges discussions with D. V. Savostyanov at
the 2nd\r\nInternational Quantum Tensor Networks (IQTN) plenary meeting at Flatiron
Institute’s Center for Computational Quantum Physics (CCQ) for introduction\r\nto
the TCI approach. D.K and M.S. acknowledge support by the European Research Council
(ERC) under We acknowledge useful discussions with Richard Küng\r\non the interpolation
methods and error spreading, Ilia\r\nA. Luchnikov, Margarita Davydova, and, in particular,
Hiroshi Shinaoka, Marc Ritter, Yuriel Nuñez\r\nfor useful discussions about TCI
and the various\r\nworkarounds within the TensorCrossInterpolation.jl\r\nlibrary.
We also acknowledge the comments of anonymous Referee B, that encouraged us to expand
the\r\nmanuscript with discussion of additional applications\r\nof entanglement
feature in Section 4.3. M.S. acknowledges discussions with D. V. Savostyanov at
the 2nd\r\nInternational Quantum Tensor Networks (IQTN) plenary meeting at Flatiron
Institute’s Center for Computational Quantum Physics (CCQ) for introduction\r\nto
the TCI approach. D.K and M.S. acknowledge support by the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation program (Grant
Agreement No. 850899).\r\nR.V. acknowledges partial support from the US Department
of Energy, Office of Science, Basic Energy\r\nSciences, under award No. DE-SC0023999,
and the\r\nSwiss National Science Foundation (grant 10008234).\r\nThis research
was supported in part by grant NSF\r\nPHY-2309135 to the Kavli Institute for Theoretical\r\nPhysics
(KITP)"
article_number: '2114'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Dmytro
full_name: Kolisnyk, Dmytro
id: 530a7320-5355-11ee-ae5a-82a46997aaa7
last_name: Kolisnyk
orcid: 0000-0002-8612-8202
- first_name: Raimel A
full_name: Medina Ramos, Raimel A
id: CE680B90-D85A-11E9-B684-C920E6697425
last_name: Medina Ramos
orcid: 0000-0002-5383-2869
- first_name: Romain
full_name: Vasseur, Romain
last_name: Vasseur
- first_name: Maksym
full_name: Serbyn, Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
citation:
ama: Kolisnyk D, Medina Ramos RA, Vasseur R, Serbyn M. Tensor cross interpolation
of purities in quantum many-body systems. Quantum. 2026;10. doi:10.22331/q-2026-05-22-2114
apa: Kolisnyk, D., Medina Ramos, R. A., Vasseur, R., & Serbyn, M. (2026). Tensor
cross interpolation of purities in quantum many-body systems. Quantum.
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften.
https://doi.org/10.22331/q-2026-05-22-2114
chicago: Kolisnyk, Dmytro, Raimel A Medina Ramos, Romain Vasseur, and Maksym Serbyn.
“Tensor Cross Interpolation of Purities in Quantum Many-Body Systems.” Quantum.
Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften,
2026. https://doi.org/10.22331/q-2026-05-22-2114.
ieee: D. Kolisnyk, R. A. Medina Ramos, R. Vasseur, and M. Serbyn, “Tensor cross
interpolation of purities in quantum many-body systems,” Quantum, vol.
10. Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften,
2026.
ista: Kolisnyk D, Medina Ramos RA, Vasseur R, Serbyn M. 2026. Tensor cross interpolation
of purities in quantum many-body systems. Quantum. 10, 2114.
mla: Kolisnyk, Dmytro, et al. “Tensor Cross Interpolation of Purities in Quantum
Many-Body Systems.” Quantum, vol. 10, 2114, Verein zur Förderung des Open
Access Publizierens in den Quantenwissenschaften, 2026, doi:10.22331/q-2026-05-22-2114.
short: D. Kolisnyk, R.A. Medina Ramos, R. Vasseur, M. Serbyn, Quantum 10 (2026).
corr_author: '1'
date_created: 2026-05-26T19:39:12Z
date_published: 2026-05-22T00:00:00Z
date_updated: 2026-06-02T09:15:13Z
day: '22'
ddc:
- '530'
department:
- _id: MaSe
- _id: GradSch
doi: 10.22331/q-2026-05-22-2114
ec_funded: 1
external_id:
arxiv:
- '2503.17230'
file:
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oa: 1
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project:
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call_identifier: H2020
grant_number: '850899'
name: 'Non-Ergodic Quantum Matter: Universality, Dynamics and Control'
publication: Quantum
publication_identifier:
eissn:
- 2521-327X
publication_status: published
publisher: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften
quality_controlled: '1'
status: public
title: Tensor cross interpolation of purities in quantum many-body systems
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 10
year: '2026'
...
---
OA_place: publisher
_id: '21918'
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "At different stages of my PhD, my work was supported by several
grants: the\r\nDOC fellowship of the Austrian Academy of Sciences (26293, awarded
to me),\r\nthe FWF-SFB grant (PT1032F06504 n. F65, awarded to Jan Maas), and the
ERC\r\ngrant (PR1032ERC01 n. 716117, awarded to Jan Maas). I also appreciate the
help\r\nfrom the Scientific Computing unit for their advice on the cluster usage."
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Kseniia
full_name: Khudiakova, Kseniia
id: 4E6DC800-AE37-11E9-AC72-31CAE5697425
last_name: Khudiakova
orcid: 0000-0002-6246-1465
citation:
ama: Khudiakova K. How epistasis and purifying selection shape genetic diversity.
2026. doi:10.15479/AT-ISTA-21918
apa: Khudiakova, K. (2026). How epistasis and purifying selection shape genetic
diversity. Institute of Science and Technology Austria. https://doi.org/10.15479/AT-ISTA-21918
chicago: Khudiakova, Kseniia. “How Epistasis and Purifying Selection Shape Genetic
Diversity.” Institute of Science and Technology Austria, 2026. https://doi.org/10.15479/AT-ISTA-21918.
ieee: K. Khudiakova, “How epistasis and purifying selection shape genetic diversity,”
Institute of Science and Technology Austria, 2026.
ista: Khudiakova K. 2026. How epistasis and purifying selection shape genetic diversity.
Institute of Science and Technology Austria.
mla: Khudiakova, Kseniia. How Epistasis and Purifying Selection Shape Genetic
Diversity. Institute of Science and Technology Austria, 2026, doi:10.15479/AT-ISTA-21918.
short: K. Khudiakova, How Epistasis and Purifying Selection Shape Genetic Diversity,
Institute of Science and Technology Austria, 2026.
corr_author: '1'
date_created: 2026-05-27T06:26:08Z
date_published: 2026-06-07T00:00:00Z
date_updated: 2026-06-12T12:43:35Z
day: '07'
ddc:
- '576'
degree_awarded: PhD
department:
- _id: GradSch
- _id: NiBa
- _id: JaMa
doi: 10.15479/AT-ISTA-21918
ec_funded: 1
file:
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has_accepted_license: '1'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-nd/4.0/
month: '06'
oa_version: Published Version
page: '89'
project:
- _id: 256E75B8-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '716117'
name: Optimal Transport and Stochastic Dynamics
- _id: 34d33d68-11ca-11ed-8bc3-ec13763c0ca8
grant_number: '26293'
name: The impact of deleterious mutations on small populations
- _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: '11447'
relation: part_of_dissertation
status: public
- id: '12513'
relation: part_of_dissertation
status: deleted
- id: '21967'
relation: part_of_dissertation
status: public
- id: '21968'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Nicholas H
full_name: Barton, Nicholas H
id: 4880FE40-F248-11E8-B48F-1D18A9856A87
last_name: Barton
orcid: 0000-0002-8548-5240
- first_name: Jan
full_name: Maas, Jan
id: 4C5696CE-F248-11E8-B48F-1D18A9856A87
last_name: Maas
orcid: 0000-0002-0845-1338
title: How epistasis and purifying selection shape genetic diversity
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: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
_id: '21923'
abstract:
- lang: eng
text: "The appearance of simulated natural phenomena heavily depends on the way
surfaces are textured. However, applying texture maps to dynamic deformable surfaces
presents a significant challenge, due to ever-shifting differences in length scales
involved. When these surfaces move and advect the texture along with them, their
final appearance degrades as deformed regions dramatically distort their texture
map. Modifications to the texture directly at the pixel level in response to the
deformation may introduce ghosting artifacts and look unnatural. In the real world,
the appearance of surface details on a deforming material changes through the
interplay of physical processes such as rupturing, exposure of internal structure,
or wrinkling. Motivated by these behaviors, in this work we explore how physical
principles can guide the texturing methods based on the measure of surface deformation.\r\nWe
present two novel wave-based procedural texturing algorithms which reproduce common
physical properties like advection and self-similarity, enabling the plausible
animation of deforming objects with extreme texture map distortions. Our algorithms
are fully procedural, require no actual physics simulation, and store no state
or history of deformation besides the input UV map, making them highly parallelizable
on the GPU and efficient enough for real-time applications. We show the versatility
of the method by animating physical phenomena with extreme deformations such as
flowing lava, stretching putty and outpouring sludge."
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "We thank the anonymous reviewers for their helpful comments, the
members of the Visual Computing Group at ISTA for their feedback. We also thank
Jonathan Gagnon for their help with running the Lapped Textures codes and SideFX
for the Houdini Education software licenses.\r\nImages in Fig. 2 by Kisoulou and
Vultured on Unsplash, Michal Jarmoluk and Public Domain Pictures from Pixabay and
Hawai‘i Volcanoes NPS on flickr. This research was supported by the Scientific Service
Units (SSU) of ISTA through resources provided by Scientific Computing and was funded
in part by the European Union (ERC-2021-COG 101045083 CoDiNA)."
article_number: '154'
article_processing_charge: Yes
article_type: original
author:
- first_name: Aleksei
full_name: Kalinov, Aleksei
id: 44b7120e-eb97-11eb-a6c2-e1557aa81d02
last_name: Kalinov
orcid: 0000-0003-2189-3904
- first_name: Mickaël
full_name: Ly, Mickaël
id: 6340d7f0-b48d-11eb-b10d-b7487e71d9f1
last_name: Ly
- first_name: Christian
full_name: Hafner, Christian
id: 400429CC-F248-11E8-B48F-1D18A9856A87
last_name: Hafner
- 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: Kalinov A, Ly M, Hafner C, Wojtan C. Physics-inspired procedural texturing
of extremely deformable surfaces. ACM Transactions on Graphics. 45(4).
doi:10.1145/3811353
apa: 'Kalinov, A., Ly, M., Hafner, C., & Wojtan, C. (n.d.). Physics-inspired
procedural texturing of extremely deformable surfaces. ACM Transactions on
Graphics. Los Angeles, CA, United States: ACM. https://doi.org/10.1145/3811353'
chicago: Kalinov, Aleksei, Mickaël Ly, Christian Hafner, and Chris Wojtan. “Physics-Inspired
Procedural Texturing of Extremely Deformable Surfaces.” ACM Transactions on
Graphics. ACM, n.d. https://doi.org/10.1145/3811353.
ieee: A. Kalinov, M. Ly, C. Hafner, and C. Wojtan, “Physics-inspired procedural
texturing of extremely deformable surfaces,” ACM Transactions on Graphics,
vol. 45, no. 4. ACM.
ista: Kalinov A, Ly M, Hafner C, Wojtan C. Physics-inspired procedural texturing
of extremely deformable surfaces. ACM Transactions on Graphics. 45(4), 154.
mla: Kalinov, Aleksei, et al. “Physics-Inspired Procedural Texturing of Extremely
Deformable Surfaces.” ACM Transactions on Graphics, vol. 45, no. 4, 154,
ACM, doi:10.1145/3811353.
short: A. Kalinov, M. Ly, C. Hafner, C. Wojtan, ACM Transactions on Graphics 45
(n.d.).
conference:
end_date: 2026-07-23
location: Los Angeles, CA, United States
name: 'SIGGRAPH: International Conference and Exhibition on Computer Graphics and
Interactive Techniques'
start_date: 2026-07-19
corr_author: '1'
date_created: 2026-05-29T13:25:16Z
date_published: 2026-07-01T00:00:00Z
date_updated: 2026-06-02T08:56:50Z
day: '01'
ddc:
- '006'
department:
- _id: GradSch
- _id: ChWo
doi: 10.1145/3811353
file:
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checksum: ea165bf731ddd3045f83878dcb833672
content_type: video/mp4
creator: akalinov
date_created: 2026-05-29T13:19:33Z
date_updated: 2026-05-29T13:19:33Z
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content_type: video/mp4
creator: akalinov
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file_date_updated: 2026-05-29T13:19:37Z
has_accepted_license: '1'
intvolume: ' 45'
issue: '4'
keyword:
- Procedural animation
language:
- iso: eng
month: '07'
oa: 1
oa_version: Accepted Version
project:
- _id: 34bc2376-11ca-11ed-8bc3-9a3b3961a088
grant_number: '101045083'
name: Computational Discovery of Numerical Algorithms for Animation and Simulation
of Natural Phenomena
publication: ACM Transactions on Graphics
publication_identifier:
issn:
- 0730-0301
publication_status: inpress
publisher: ACM
quality_controlled: '1'
status: public
title: Physics-inspired procedural texturing of extremely deformable surfaces
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 45
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21929'
abstract:
- lang: eng
text: 'The import of proteins into mitochondria poses fundamental mechanistic challenges:
aggregation-prone precursor proteins must be maintained in aqueous compartments
and threaded through narrow pores without becoming stuck or mislocalized. Recent
evidence from mitochondrial protein import studies and other chaperone systems
underscores the critical role of dynamics in balancing sufficiently tight binding,
promiscuity, specificity, and release. Dynamic binding of client precursor proteins
to import machinery components arises naturally from the avidity of their interactions.
Conformational entropy enhances their stability, while the multivalent nature
of these interactions ensures that client transfer to downstream insertases occurs
without a substantial energy barrier. Here, we discuss this emerging paradigm
of dynamic protein handling, using examples where dynamic structures have been
resolved and highlight outstanding questions.'
acknowledgement: We gratefully acknowledge research funding by the Austrian Science
Fund (FWF), projects 10.55776/PAT1647625 and 10.55776/I6223. We thank Prof. Long
Li (Peking University) for providing structural models and EM density for the TOM
and TIM23 complexes, used to generate part of Figure 3. Open Access funding provided
by Institute of Science and Technology Austria.
article_number: e70630
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Jakob
full_name: Schneider, Jakob
id: 64368429-eb97-11eb-a6c2-c980b1f44415
last_name: Schneider
- first_name: Undina
full_name: Guillerm, Undina
id: bb74f472-ae54-11eb-9835-bc9c22fb1183
last_name: Guillerm
- first_name: Caroline
full_name: Simoes Pereira, Caroline
id: 87266c4a-96d2-11ef-be2c-fe5633233ec3
last_name: Simoes Pereira
- first_name: Paul
full_name: Schanda, Paul
id: 7B541462-FAF6-11E9-A490-E8DFE5697425
last_name: Schanda
orcid: 0000-0002-9350-7606
citation:
ama: Schneider J, Guillerm U, Simoes Pereira C, Schanda P. Dynamic disorder is crucial
for mitochondrial protein import. Protein Science. 2026;35(6). doi:10.1002/pro.70630
apa: Schneider, J., Guillerm, U., Simoes Pereira, C., & Schanda, P. (2026).
Dynamic disorder is crucial for mitochondrial protein import. Protein Science.
Wiley. https://doi.org/10.1002/pro.70630
chicago: Schneider, Jakob, Undina Guillerm, Caroline Simoes Pereira, and Paul Schanda.
“Dynamic Disorder Is Crucial for Mitochondrial Protein Import.” Protein Science.
Wiley, 2026. https://doi.org/10.1002/pro.70630.
ieee: J. Schneider, U. Guillerm, C. Simoes Pereira, and P. Schanda, “Dynamic disorder
is crucial for mitochondrial protein import,” Protein Science, vol. 35,
no. 6. Wiley, 2026.
ista: Schneider J, Guillerm U, Simoes Pereira C, Schanda P. 2026. Dynamic disorder
is crucial for mitochondrial protein import. Protein Science. 35(6), e70630.
mla: Schneider, Jakob, et al. “Dynamic Disorder Is Crucial for Mitochondrial Protein
Import.” Protein Science, vol. 35, no. 6, e70630, Wiley, 2026, doi:10.1002/pro.70630.
short: J. Schneider, U. Guillerm, C. Simoes Pereira, P. Schanda, Protein Science
35 (2026).
corr_author: '1'
date_created: 2026-05-31T22:02:12Z
date_published: 2026-06-01T00:00:00Z
date_updated: 2026-06-02T07:26:34Z
day: '01'
ddc:
- '572'
department:
- _id: GradSch
- _id: PaSc
doi: 10.1002/pro.70630
external_id:
pmid:
- '42159315'
file:
- access_level: open_access
checksum: e0163459a7238fdcc3fc5e17bedcce9a
content_type: application/pdf
creator: dernst
date_created: 2026-06-02T07:23:12Z
date_updated: 2026-06-02T07:23:12Z
file_id: '21937'
file_name: 2026_ProteinScience_Schneider.pdf
file_size: 3897305
relation: main_file
success: 1
file_date_updated: 2026-06-02T07:23:12Z
has_accepted_license: '1'
intvolume: ' 35'
issue: '6'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: bdb9578d-d553-11ed-ba76-ed5d39fce6f0
grant_number: I06223
name: Structure and mechanism of the mitochondrial MIM insertase
publication: Protein Science
publication_identifier:
eissn:
- 1469-896X
issn:
- 0961-8368
publication_status: published
publisher: Wiley
quality_controlled: '1'
scopus_import: '1'
status: public
title: Dynamic disorder is crucial for mitochondrial protein import
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 35
year: '2026'
...
---
OA_place: publisher
_id: '21957'
abstract:
- lang: eng
text: "This thesis investigates algorithmic certification and approximation methods
for degenerate semidefinite programs (SDPs) and the singular roots of polynomial
systems. In the first part, we present a hybrid symbolic-numeric algorithm for
certifying the feasibility of weakly feasible, degenerate SDPs. By reformulating
linear matrix inequalities (LMIs) into a structured polynomial system via facial
reduction and incidence varieties, we guarantee the existence of an isolated exact
solution. This algebraic reduction enables the certification of maximum-rank numerical
approximations using methods from algebraic geometry.\r\n\r\nIn the second part,
we address the severe ill-conditioning and loss of quadratic convergence that
plague standard path-tracking methods near isolated singular roots. To overcome
this, we propose tracking algorithms that achieve superlinear convergence without
the computational bloat characteristic of classical deflation techniques. By modeling
the solution path as a generalized fractional Puiseux series, our approach combines
an explicitly derived algebraic predictor with a localized hyperplane desingularization
phase during the corrector step. Furthermore, we introduce a continuous path-limit
method and an extension of the geometric sequence rule to directly extract exact
fractional exponents. This bypasses traditional heuristic trial-and-error methods
and explicitly accommodates sparse series expansions. Numerical experiments confirm
that our method significantly reduces the cumulative number of matrix inversions
while achieving high-accuracy root approximations, even for heavily degenerate
systems exhibiting higher coranks."
acknowledgement: 'Funding: Vienna Graduate School on Computational Optimization (FWF),
grant DOI: 10.55776/W1260.'
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Jeferson
full_name: Zapata, Jeferson
id: 00223538-AF8F-11E9-A4C7-F729E6697425
last_name: Zapata
citation:
ama: 'Zapata J. Overcoming degeneracy and singularity : Techniques for semidefinite
programs and homotopy continuation endgames. 2026. doi:10.15479/AT-ISTA-21957'
apa: 'Zapata, J. (2026). Overcoming degeneracy and singularity : Techniques for
semidefinite programs and homotopy continuation endgames. Institute of Science
and Technology Austria. https://doi.org/10.15479/AT-ISTA-21957'
chicago: 'Zapata, Jeferson. “Overcoming Degeneracy and Singularity : Techniques
for Semidefinite Programs and Homotopy Continuation Endgames.” Institute of Science
and Technology Austria, 2026. https://doi.org/10.15479/AT-ISTA-21957.'
ieee: 'J. Zapata, “Overcoming degeneracy and singularity : Techniques for semidefinite
programs and homotopy continuation endgames,” Institute of Science and Technology
Austria, 2026.'
ista: 'Zapata J. 2026. Overcoming degeneracy and singularity : Techniques for semidefinite
programs and homotopy continuation endgames. Institute of Science and Technology
Austria.'
mla: 'Zapata, Jeferson. Overcoming Degeneracy and Singularity : Techniques for
Semidefinite Programs and Homotopy Continuation Endgames. Institute of Science
and Technology Austria, 2026, doi:10.15479/AT-ISTA-21957.'
short: 'J. Zapata, Overcoming Degeneracy and Singularity : Techniques for Semidefinite
Programs and Homotopy Continuation Endgames, Institute of Science and Technology
Austria, 2026.'
corr_author: '1'
date_created: 2026-06-08T13:29:52Z
date_published: 2026-06-09T00:00:00Z
date_updated: 2026-06-12T10:37:00Z
day: '09'
ddc:
- '500'
degree_awarded: PhD
department:
- _id: GradSch
- _id: VlKo
doi: 10.15479/AT-ISTA-21957
file:
- access_level: closed
checksum: b11a959e99d3dcf61040282b5c837141
content_type: application/zip
creator: jzapata
date_created: 2026-06-08T13:20:02Z
date_updated: 2026-06-08T13:20:02Z
file_id: '21958'
file_name: istaustriathesis_JZapata.zip
file_size: 40811933
relation: source_file
- access_level: open_access
checksum: edf1e5899b2e31505cd1aa3fe8bd4b7f
content_type: application/pdf
creator: jzapata
date_created: 2026-06-10T13:33:25Z
date_updated: 2026-06-10T13:33:25Z
file_id: '21992'
file_name: 4_Final_Thesis_JZapata_REX.pdf
file_size: 2207892
relation: main_file
success: 1
file_date_updated: 2026-06-10T13:33:25Z
has_accepted_license: '1'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: '89'
project:
- _id: 9B9290DE-BA93-11EA-9121-9846C619BF3A
grant_number: W1260-N35
name: Vienna Graduate School on Computational Optimization
publication_identifier:
isbn:
- 978-3-99078-079-4
issn:
- 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
record:
- id: '21144'
relation: part_of_dissertation
status: public
status: public
supervisor:
- first_name: Vladimir
full_name: Kolmogorov, Vladimir
id: 3D50B0BA-F248-11E8-B48F-1D18A9856A87
last_name: Kolmogorov
title: 'Overcoming degeneracy and singularity : Techniques for semidefinite programs
and homotopy continuation endgames'
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: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: repository
_id: '21960'
abstract:
- lang: eng
text: "Solitons - localized wave packets that travel without spreading - play a
central role in understanding transport and properties of nonlinear systems. In
quantum many-body systems, however, such robust excitations are typically destroyed
by thermalization. Here, we theoretically demonstrate the existence of solitonic
excitations in high-energy states of Rydberg atom chains in the regime of strong
nearest-neighbor Rydberg blockade. \r\nThese localized wave packets propagate
directionally atop a special class of reviving initial states related to quantum
many-body scars and are capable of carrying energy. Exhibiting long coherence
times, these states constitute a form of non-ergodic quantum dynamics and can
be efficiently implemented on Rydberg atom simulators. In this work, in addition
to a phenomenological description of solitons, we identify their counterpart in
a classical nonlinear dynamical system, demonstrate their potential use in quantum
information transfer, and conjecture their relevance for anomalous energy transport
reported in numerical studies of Rydberg atom arrays."
article_processing_charge: No
author:
- first_name: Aron
full_name: Kerschbaumer, Aron
id: ade85a9c-3200-11ee-973b-91c1eb240410
last_name: Kerschbaumer
orcid: 0009-0002-2370-8661
citation:
ama: 'Kerschbaumer A. Research Data: “Quasi-solitons in Rydberg atom chains.” 2026.
doi:10.15479/AT-ISTA-21960'
apa: 'Kerschbaumer, A. (2026). Research Data: “Quasi-solitons in Rydberg atom chains.”
Institute of Science and Technology Austria. https://doi.org/10.15479/AT-ISTA-21960'
chicago: 'Kerschbaumer, Aron. “Research Data: ‘Quasi-Solitons in Rydberg Atom Chains.’”
Institute of Science and Technology Austria, 2026. https://doi.org/10.15479/AT-ISTA-21960.'
ieee: 'A. Kerschbaumer, “Research Data: ‘Quasi-solitons in Rydberg atom chains.’”
Institute of Science and Technology Austria, 2026.'
ista: 'Kerschbaumer A. 2026. Research Data: ‘Quasi-solitons in Rydberg atom chains’,
Institute of Science and Technology Austria, 10.15479/AT-ISTA-21960.'
mla: 'Kerschbaumer, Aron. Research Data: “Quasi-Solitons in Rydberg Atom Chains.”
Institute of Science and Technology Austria, 2026, doi:10.15479/AT-ISTA-21960.'
short: A. Kerschbaumer, (2026).
contributor:
- contributor_type: contact_person
first_name: Aron
id: ade85a9c-3200-11ee-973b-91c1eb240410
last_name: Kerschbaumer
orcid: 0009-0002-2370-8661
- contributor_type: supervisor
first_name: Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
- contributor_type: researcher
first_name: Jean-Yves Marc
id: 6c292945-a610-11ed-9eec-c3be1ad62a80
last_name: Desaules
orcid: 0000-0002-3749-6375
- contributor_type: researcher
first_name: Marko
last_name: Ljubotina
corr_author: '1'
date_created: 2026-06-09T07:17:50Z
date_published: 2026-06-16T00:00:00Z
date_updated: 2026-06-16T08:00:38Z
day: '16'
department:
- _id: GradSch
- _id: MaSe
doi: 10.15479/AT-ISTA-21960
ec_funded: 1
file:
- access_level: open_access
checksum: 133269a105e996c6c44fdd56128259c7
content_type: text/plain
creator: akerschb
date_created: 2026-06-15T22:01:57Z
date_updated: 2026-06-15T22:01:57Z
file_id: '22010'
file_name: README.txt
file_size: 1940
relation: main_file
success: 1
- access_level: open_access
checksum: 759f9649c3919f4c4ad37a1d104ea32a
content_type: application/zip
creator: akerschb
date_created: 2026-06-15T22:02:07Z
date_updated: 2026-06-15T22:02:07Z
file_id: '22011'
file_name: Soliton_Data.zip
file_size: 13259747
relation: main_file
success: 1
file_date_updated: 2026-06-15T22:02:07Z
has_accepted_license: '1'
license: https://creativecommons.org/licenses/by-nc/4.0/
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
call_identifier: H2020
grant_number: '101034413'
name: 'IST-BRIDGE: International postdoctoral program'
publisher: Institute of Science and Technology Austria
status: public
title: 'Research Data: "Quasi-solitons in Rydberg atom chains"'
tmp:
image: /images/cc_by_nc.png
legal_code_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode
name: Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
short: CC BY-NC (4.0)
type: research_data
user_id: 68b8ca59-c5b3-11ee-8790-cd641c68093d
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '21963'
abstract:
- lang: eng
text: The cerebral cortex consists of immense numbers of neuronal and glial cell-types
derived from radial glial progenitor (RGP) cells. How RGPs generate appropriate
quantities of distinct cortical cell-types to safeguard a brain of correct size,
is not well understood. However, genetic aberration in human, including mutations
in PTEN, lead to cortical malformation such as macrocephaly, albeit with unknown
etiology. Here we utilized Mosaic Analysis with Double Markers (MADM)-based clonal
analysis and single cell phenotyping to decipher the role of Pten in neurogenic
and gliogenic RGP lineage progression during cortical ontogeny. While neurogenic
RGP lineage progression and projection neuron production was moderately altered
in the absence of Pten, cortical astrocyte production was drastically increased.
Through genetic epistasis experiments we show that the loss of Pten uncouples
astrocyte generation from essential growth factor signaling hubs, funneling into
MAPK. Collectively, our results suggest that Pten regulates RGP lineage progression
with distinct sequential functions in cortical projection neurogenesis and astrocyte
production to ensure the emergence of a correctly-sized cerebral cortex.
acknowledged_ssus:
- _id: Bio
- _id: LifeSc
- _id: PreCl
acknowledgement: "We thank Kay-Uwe Wagner (Wayne State University) for generously
sharing Jak1/2–flox mouse lines; A.\r\nSommer (VBCF GmbH, NGS Unit) for technical
support; N. Kim, V. Mick, S. Schnabl, S. Gobeil, and L.\r\nAndersen for technical
assistance; all members of the Hippenmeyer lab for discussion and B. Novitch for\r\ncomments
on earlier versions of the manuscript. This research was supported by the Scientific
Service Units\r\n(SSU) of IST Austria through resources provided by the Imaging
and Optics Facility (IOF), Lab Support-\r\n(LSF) and Preclinical Facilities (PCF).
O.A.M received support from the Austrian Academy of Sciences\r\nÖAW (DOC 186584),
and N.A. from FWF Elise Richter Program (Grant V1041T). This work was also\r\nsupported
by IST Austria institutional funds; FWF SFB F78 (Neuro Stem Modulation) to S.H.,
and the\r\nEuropean Research Council (ERC) under the European Union’s Horizon 2020
research and innovation\r\nprogramme (grant agreement No 725780 LinPro) to S.H."
article_processing_charge: No
author:
- first_name: Osvaldo
full_name: Miranda, Osvaldo
id: 862A3C56-A8BF-11E9-B4FA-D9E3E5697425
last_name: Miranda
orcid: 0000-0001-6618-6889
- first_name: Ximena
full_name: Contreras, Ximena
id: 475990FE-F248-11E8-B48F-1D18A9856A87
last_name: Contreras
- first_name: Florian
full_name: Pauler, Florian
id: 48EA0138-F248-11E8-B48F-1D18A9856A87
last_name: Pauler
orcid: 0000-0002-7462-0048
- first_name: Amarbayasgalan
full_name: Davaatseren, Amarbayasgalan
id: 70ADC922-B424-11E9-99E3-BA18E6697425
last_name: Davaatseren
- first_name: Nicole
full_name: Amberg, Nicole
id: 4CD6AAC6-F248-11E8-B48F-1D18A9856A87
last_name: Amberg
orcid: 0000-0002-3183-8207
- first_name: Carmen
full_name: Streicher, Carmen
id: 36BCB99C-F248-11E8-B48F-1D18A9856A87
last_name: Streicher
- first_name: Ana
full_name: Villalba Requena, Ana
id: 68cb85a0-39f7-11eb-9559-9aaab4f6a247
last_name: Villalba Requena
orcid: 0000-0002-5615-5277
- first_name: Anna-Magdalena
full_name: Heger, Anna-Magdalena
id: 4B76FFD2-F248-11E8-B48F-1D18A9856A87
last_name: Heger
- first_name: Corentine
full_name: Marie, Corentine
last_name: Marie
- first_name: Bassem A.
full_name: Hassan, Bassem A.
last_name: Hassan
- first_name: Thomas
full_name: Rülicke, Thomas
last_name: Rülicke
- first_name: Simon
full_name: Hippenmeyer, Simon
id: 37B36620-F248-11E8-B48F-1D18A9856A87
last_name: Hippenmeyer
orcid: 0000-0003-2279-1061
citation:
ama: Miranda O, Contreras X, Pauler F, et al. Pten orchestrates neurogenic radial
glia lineage progression and tunes neocortical astrocyte production. bioRxiv.
doi:10.64898/2026.05.01.722191
apa: Miranda, O., Contreras, X., Pauler, F., Davaatseren, A., Amberg, N., Streicher,
C., … Hippenmeyer, S. (n.d.). Pten orchestrates neurogenic radial glia lineage
progression and tunes neocortical astrocyte production. bioRxiv. https://doi.org/10.64898/2026.05.01.722191
chicago: Miranda, Osvaldo, Ximena Contreras, Florian Pauler, Amarbayasgalan Davaatseren,
Nicole Amberg, Carmen Streicher, Ana Villalba Requena, et al. “Pten Orchestrates
Neurogenic Radial Glia Lineage Progression and Tunes Neocortical Astrocyte Production.”
BioRxiv, n.d. https://doi.org/10.64898/2026.05.01.722191.
ieee: O. Miranda et al., “Pten orchestrates neurogenic radial glia lineage
progression and tunes neocortical astrocyte production,” bioRxiv. .
ista: Miranda O, Contreras X, Pauler F, Davaatseren A, Amberg N, Streicher C, Villalba
Requena A, Heger A-M, Marie C, Hassan BA, Rülicke T, Hippenmeyer S. Pten orchestrates
neurogenic radial glia lineage progression and tunes neocortical astrocyte production.
bioRxiv, 10.64898/2026.05.01.722191.
mla: Miranda, Osvaldo, et al. “Pten Orchestrates Neurogenic Radial Glia Lineage
Progression and Tunes Neocortical Astrocyte Production.” BioRxiv, doi:10.64898/2026.05.01.722191.
short: O. Miranda, X. Contreras, F. Pauler, A. Davaatseren, N. Amberg, C. Streicher,
A. Villalba Requena, A.-M. Heger, C. Marie, B.A. Hassan, T. Rülicke, S. Hippenmeyer,
BioRxiv (n.d.).
corr_author: '1'
date_created: 2026-06-09T08:08:53Z
date_published: 2026-05-05T00:00:00Z
date_updated: 2026-06-16T08:57:20Z
day: '05'
ddc:
- '570'
department:
- _id: SiHi
- _id: PreCl
- _id: GradSch
doi: 10.64898/2026.05.01.722191
ec_funded: 1
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.64898/2026.05.01.722191
month: '05'
oa: 1
oa_version: Preprint
project:
- _id: 059F6AB4-7A3F-11EA-A408-12923DDC885E
grant_number: F7805
name: Stem Cell Modulation in Neural Development and Regeneration/ P05-Molecular
Mechanisms of Neural Stem Cell Lineage Progression
- _id: 260018B0-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '725780'
name: Principles of Neural Stem Cell Lineage Progression in Cerebral Cortex Development
publication: bioRxiv
publication_status: submitted
status: public
title: Pten orchestrates neurogenic radial glia lineage progression and tunes neocortical
astrocyte production
tmp:
image: /images/cc_by_nc.png
legal_code_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode
name: Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
short: CC BY-NC (4.0)
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21980'
abstract:
- lang: eng
text: Despite significant progress in the field of molecular electronics over the
last two decades, the quantitative prediction of metal-molecule-metal junction
conductance remains a challenge. The standard computational framework combines
density functional theory (DFT) with nonequilibrium Green’s functions (NEGF) using
low-rung exchange-correlation functionals such as PBE, which overestimate the
conductances. More advanced correction methods exist but require complex workflows
and high computational cost, limiting their accessibility. Here, we introduce
a physically motivated approach that approximates results obtained with high-rung
functionals. Our method fits the PBE-calculated transmission to a Breit-Wigner
form and subsequently refines the fit parameters using molecular orbital energies
and metal densities of states computed for the isolated subsystems with high-rung
functionals. This approach is applicable to a broad range of molecular junctions
yielding conductance values in quantitative agreement with experiments. Our approach
is simple, low-cost, and accurate, making it well-suited for routine and large-scale
prediction of single-molecule junction conductance.
acknowledgement: This work was supported primarily by the Institute of Science and
Technology Austria. L.V. was supported in part by the National Science Foundation
(No. NSF-DMR 2241180). Z.-F.L. was supported by an NSF CAREER Award, No. DMR-2044552
and an Alfred P. Sloan Research Fellowship, No. FG-2024-21750.
article_processing_charge: Yes (via OA deal)
article_type: letter_note
author:
- first_name: Artem
full_name: Gulyaev, Artem
id: 83ed7901-7380-11f0-bf20-a0788d5e654d
last_name: Gulyaev
- first_name: Jyotisman
full_name: Hazarika, Jyotisman
id: d87714c4-663d-11f0-bd06-caece19833e5
last_name: Hazarika
orcid: 0009-0007-2542-7878
- first_name: Zhen-Fei
full_name: Liu, Zhen-Fei
last_name: Liu
- first_name: Latha
full_name: Venkataraman, Latha
id: 9ebb78a5-cc0d-11ee-8322-fae086a32caf
last_name: Venkataraman
orcid: 0000-0002-6957-6089
citation:
ama: Gulyaev A, Hazarika J, Liu Z-F, Venkataraman L. A computationally efficient
and accurate method for predicting conductance of single-molecule junctions. Nano
Letters. 2026;26(22):7429–7434. doi:10.1021/acs.nanolett.6c01462
apa: Gulyaev, A., Hazarika, J., Liu, Z.-F., & Venkataraman, L. (2026). A computationally
efficient and accurate method for predicting conductance of single-molecule junctions.
Nano Letters. American Chemical Society. https://doi.org/10.1021/acs.nanolett.6c01462
chicago: Gulyaev, Artem, Jyotisman Hazarika, Zhen-Fei Liu, and Latha Venkataraman.
“A Computationally Efficient and Accurate Method for Predicting Conductance of
Single-Molecule Junctions.” Nano Letters. American Chemical Society, 2026.
https://doi.org/10.1021/acs.nanolett.6c01462.
ieee: A. Gulyaev, J. Hazarika, Z.-F. Liu, and L. Venkataraman, “A computationally
efficient and accurate method for predicting conductance of single-molecule junctions,”
Nano Letters, vol. 26, no. 22. American Chemical Society, pp. 7429–7434,
2026.
ista: Gulyaev A, Hazarika J, Liu Z-F, Venkataraman L. 2026. A computationally efficient
and accurate method for predicting conductance of single-molecule junctions. Nano
Letters. 26(22), 7429–7434.
mla: Gulyaev, Artem, et al. “A Computationally Efficient and Accurate Method for
Predicting Conductance of Single-Molecule Junctions.” Nano Letters, vol.
26, no. 22, American Chemical Society, 2026, pp. 7429–7434, doi:10.1021/acs.nanolett.6c01462.
short: A. Gulyaev, J. Hazarika, Z.-F. Liu, L. Venkataraman, Nano Letters 26 (2026)
7429–7434.
corr_author: '1'
date_created: 2026-06-10T07:27:19Z
date_published: 2026-06-01T00:00:00Z
date_updated: 2026-06-16T09:13:30Z
day: '01'
ddc:
- '540'
department:
- _id: LaVe
- _id: GradSch
doi: 10.1021/acs.nanolett.6c01462
external_id:
pmid:
- '42223342'
file:
- access_level: open_access
checksum: 897551374cac28e0db26dcb0b676b8e7
content_type: application/pdf
creator: dernst
date_created: 2026-06-16T09:11:35Z
date_updated: 2026-06-16T09:11:35Z
file_id: '22013'
file_name: 2026_NanoLetters_Gulyaev.pdf
file_size: 3362800
relation: main_file
success: 1
file_date_updated: 2026-06-16T09:11:35Z
has_accepted_license: '1'
intvolume: ' 26'
issue: '22'
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
page: 7429–7434
pmid: 1
publication: Nano Letters
publication_identifier:
eissn:
- 1530-6992
issn:
- 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: A computationally efficient and accurate method for predicting conductance
of single-molecule junctions
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 26
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21981'
abstract:
- lang: eng
text: For Hamiltonian actions of semidirect products G = FxH, we study 2-cocycles
arising from residual Hamiltonian actions of F on Hamiltonian reductions for H.
The motivation comes from the study of Teichmüller spaces for surfaces with boundary,
which carry Hamiltonian actions of the Virasoro algebra. In this paper, we give
a general setup for the problem, and we suggest an easier way to obtain the Gelfand-Fuchs
2-cocycles for Hamiltonian actions on Teichmüller spaces.
article_number: '105878'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Viacheslav
full_name: Goncharov, Viacheslav
id: 8a0e2993-7114-11f0-b60e-f50e633649d8
last_name: Goncharov
citation:
ama: Goncharov V. An easier way to compute 2-cocycles coming from a reduction for
semidirect products. Journal of Geometry and Physics. 2026;227. doi:10.1016/j.geomphys.2026.105878
apa: Goncharov, V. (2026). An easier way to compute 2-cocycles coming from a reduction
for semidirect products. Journal of Geometry and Physics. Elsevier. https://doi.org/10.1016/j.geomphys.2026.105878
chicago: Goncharov, Viacheslav. “An Easier Way to Compute 2-Cocycles Coming from
a Reduction for Semidirect Products.” Journal of Geometry and Physics.
Elsevier, 2026. https://doi.org/10.1016/j.geomphys.2026.105878.
ieee: V. Goncharov, “An easier way to compute 2-cocycles coming from a reduction
for semidirect products,” Journal of Geometry and Physics, vol. 227. Elsevier,
2026.
ista: Goncharov V. 2026. An easier way to compute 2-cocycles coming from a reduction
for semidirect products. Journal of Geometry and Physics. 227, 105878.
mla: Goncharov, Viacheslav. “An Easier Way to Compute 2-Cocycles Coming from a Reduction
for Semidirect Products.” Journal of Geometry and Physics, vol. 227, 105878,
Elsevier, 2026, doi:10.1016/j.geomphys.2026.105878.
short: V. Goncharov, Journal of Geometry and Physics 227 (2026).
corr_author: '1'
date_created: 2026-06-10T07:29:13Z
date_published: 2026-05-21T00:00:00Z
date_updated: 2026-06-16T09:23:39Z
day: '21'
ddc:
- '000'
department:
- _id: GradSch
doi: 10.1016/j.geomphys.2026.105878
external_id:
arxiv:
- '2509.16169'
has_accepted_license: '1'
intvolume: ' 227'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1016/j.geomphys.2026.105878
month: '05'
oa: 1
oa_version: Published Version
publication: Journal of Geometry and Physics
publication_identifier:
eissn:
- 1879-1662
issn:
- 0393-0440
publication_status: epub_ahead
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: An easier way to compute 2-cocycles coming from a reduction for semidirect
products
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 227
year: '2026'
...