---
_id: '8430'
abstract:
- lang: eng
text: While recent advancements in computation and modelling have improved the analysis
of complex traits, our understanding of the genetic basis of the time at symptom
onset remains limited. Here, we develop a Bayesian approach (BayesW) that provides
probabilistic inference of the genetic architecture of age-at-onset phenotypes
in a sampling scheme that facilitates biobank-scale time-to-event analyses. We
show in extensive simulation work the benefits BayesW provides in terms of number
of discoveries, model performance and genomic prediction. In the UK Biobank, we
find many thousands of common genomic regions underlying the age-at-onset of high
blood pressure (HBP), cardiac disease (CAD), and type-2 diabetes (T2D), and for
the genetic basis of onset reflecting the underlying genetic liability to disease.
Age-at-menopause and age-at-menarche are also highly polygenic, but with higher
variance contributed by low frequency variants. Genomic prediction into the Estonian
Biobank data shows that BayesW gives higher prediction accuracy than other approaches.
acknowledgement: This project was funded by an SNSF Eccellenza Grant to MRR (PCEGP3-181181),
and by core funding from the Institute of Science and Technology Austria and the
University of Lausanne; the work of KF was supported by the grant PUT1665 by the
Estonian Research Council. We would like to thank Mike Goddard for comments which
greatly improved the work, the participants of the cohort studies, and the Ecole
Polytechnique Federal Lausanne (EPFL) SCITAS for their excellent compute resources,
their generosity with their time and the kindness of their support.
article_number: '2337'
article_processing_charge: No
author:
- first_name: Sven E
full_name: Ojavee, Sven E
last_name: Ojavee
- first_name: Athanasios
full_name: Kousathanas, Athanasios
last_name: Kousathanas
- first_name: Daniel
full_name: Trejo Banos, Daniel
last_name: Trejo Banos
- first_name: Etienne J
full_name: Orliac, Etienne J
last_name: Orliac
- first_name: Marion
full_name: Patxot, Marion
last_name: Patxot
- first_name: Kristi
full_name: Lall, Kristi
last_name: Lall
- first_name: Reedik
full_name: Magi, Reedik
last_name: Magi
- first_name: Krista
full_name: Fischer, Krista
last_name: Fischer
- first_name: Zoltan
full_name: Kutalik, Zoltan
last_name: Kutalik
- first_name: Matthew Richard
full_name: Robinson, Matthew Richard
id: E5D42276-F5DA-11E9-8E24-6303E6697425
last_name: Robinson
orcid: 0000-0001-8982-8813
citation:
ama: Ojavee SE, Kousathanas A, Trejo Banos D, et al. Genomic architecture and prediction
of censored time-to-event phenotypes with a Bayesian genome-wide analysis. Nature
Communications. 2021;12(1). doi:10.1038/s41467-021-22538-w
apa: Ojavee, S. E., Kousathanas, A., Trejo Banos, D., Orliac, E. J., Patxot, M.,
Lall, K., … Robinson, M. R. (2021). Genomic architecture and prediction of censored
time-to-event phenotypes with a Bayesian genome-wide analysis. Nature Communications.
Nature Research. https://doi.org/10.1038/s41467-021-22538-w
chicago: Ojavee, Sven E, Athanasios Kousathanas, Daniel Trejo Banos, Etienne J Orliac,
Marion Patxot, Kristi Lall, Reedik Magi, Krista Fischer, Zoltan Kutalik, and Matthew
Richard Robinson. “Genomic Architecture and Prediction of Censored Time-to-Event
Phenotypes with a Bayesian Genome-Wide Analysis.” Nature Communications.
Nature Research, 2021. https://doi.org/10.1038/s41467-021-22538-w.
ieee: S. E. Ojavee et al., “Genomic architecture and prediction of censored
time-to-event phenotypes with a Bayesian genome-wide analysis,” Nature Communications,
vol. 12, no. 1. Nature Research, 2021.
ista: Ojavee SE, Kousathanas A, Trejo Banos D, Orliac EJ, Patxot M, Lall K, Magi
R, Fischer K, Kutalik Z, Robinson MR. 2021. Genomic architecture and prediction
of censored time-to-event phenotypes with a Bayesian genome-wide analysis. Nature
Communications. 12(1), 2337.
mla: Ojavee, Sven E., et al. “Genomic Architecture and Prediction of Censored Time-to-Event
Phenotypes with a Bayesian Genome-Wide Analysis.” Nature Communications,
vol. 12, no. 1, 2337, Nature Research, 2021, doi:10.1038/s41467-021-22538-w.
short: S.E. Ojavee, A. Kousathanas, D. Trejo Banos, E.J. Orliac, M. Patxot, K. Lall,
R. Magi, K. Fischer, Z. Kutalik, M.R. Robinson, Nature Communications 12 (2021).
date_created: 2020-09-17T10:53:00Z
date_published: 2021-04-20T00:00:00Z
date_updated: 2026-04-03T09:31:17Z
day: '20'
ddc:
- '570'
department:
- _id: MaRo
doi: 10.1038/s41467-021-22538-w
external_id:
isi:
- '000642509600006'
pmid:
- '33879782'
file:
- access_level: open_access
checksum: eca8b9ae713835c5b785211dd08d8a2e
content_type: application/pdf
creator: kschuh
date_created: 2021-05-04T15:07:50Z
date_updated: 2021-05-04T15:07:50Z
file_id: '9372'
file_name: 2021_nature_communications_Ojavee.pdf
file_size: 6474239
relation: main_file
success: 1
file_date_updated: 2021-05-04T15:07:50Z
has_accepted_license: '1'
intvolume: ' 12'
isi: 1
issue: '1'
language:
- iso: eng
month: '04'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 9B8D11D6-BA93-11EA-9121-9846C619BF3A
grant_number: PCEGP3_181181
name: Improving estimation and prediction of common complex disease risk
publication: Nature Communications
publication_identifier:
eissn:
- 2041-1723
publication_status: published
publisher: Nature Research
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/predicting-the-onset-of-diseases/
scopus_import: '1'
status: public
title: Genomic architecture and prediction of censored time-to-event phenotypes with
a Bayesian genome-wide analysis
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: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 12
year: '2021'
...
---
_id: '9407'
abstract:
- lang: eng
text: 'High impact epidemics constitute one of the largest threats humanity is facing
in the 21st century. In the absence of pharmaceutical interventions, physical
distancing together with testing, contact tracing and quarantining are crucial
in slowing down epidemic dynamics. Yet, here we show that if testing capacities
are limited, containment may fail dramatically because such combined countermeasures
drastically change the rules of the epidemic transition: Instead of continuous,
the response to countermeasures becomes discontinuous. Rather than following the
conventional exponential growth, the outbreak that is initially strongly suppressed
eventually accelerates and scales faster than exponential during an explosive
growth period. As a consequence, containment measures either suffice to stop the
outbreak at low total case numbers or fail catastrophically if marginally too
weak, thus implying large uncertainties in reliably estimating overall epidemic
dynamics, both during initial phases and during second wave scenarios.'
acknowledgement: The authors thank Malte Schröder for valuable discussions and creating
the scale-free network topologies. B.H. thanks Mukund Vasudevan for helpful discussion.
The research by M.T. was supported by the Deutsche Forschungsgemeinschaft (DFG,
German Research Foundation) under Germany´s Excellence Strategy–EXC-2068–390729961–Cluster
of Excellence Physics of Life of TU Dresden.
article_number: '2586'
article_processing_charge: No
article_type: original
author:
- first_name: Davide
full_name: Scarselli, Davide
id: 40315C30-F248-11E8-B48F-1D18A9856A87
last_name: Scarselli
orcid: 0000-0001-5227-4271
- first_name: Nazmi B
full_name: Budanur, Nazmi B
id: 3EA1010E-F248-11E8-B48F-1D18A9856A87
last_name: Budanur
orcid: 0000-0003-0423-5010
- first_name: Marc
full_name: Timme, Marc
last_name: Timme
- first_name: Björn
full_name: Hof, Björn
id: 3A374330-F248-11E8-B48F-1D18A9856A87
last_name: Hof
orcid: 0000-0003-2057-2754
citation:
ama: Scarselli D, Budanur NB, Timme M, Hof B. Discontinuous epidemic transition
due to limited testing. Nature Communications. 2021;12(1). doi:10.1038/s41467-021-22725-9
apa: Scarselli, D., Budanur, N. B., Timme, M., & Hof, B. (2021). Discontinuous
epidemic transition due to limited testing. Nature Communications. Springer
Nature. https://doi.org/10.1038/s41467-021-22725-9
chicago: Scarselli, Davide, Nazmi B Budanur, Marc Timme, and Björn Hof. “Discontinuous
Epidemic Transition Due to Limited Testing.” Nature Communications. Springer
Nature, 2021. https://doi.org/10.1038/s41467-021-22725-9.
ieee: D. Scarselli, N. B. Budanur, M. Timme, and B. Hof, “Discontinuous epidemic
transition due to limited testing,” Nature Communications, vol. 12, no.
1. Springer Nature, 2021.
ista: Scarselli D, Budanur NB, Timme M, Hof B. 2021. Discontinuous epidemic transition
due to limited testing. Nature Communications. 12(1), 2586.
mla: Scarselli, Davide, et al. “Discontinuous Epidemic Transition Due to Limited
Testing.” Nature Communications, vol. 12, no. 1, 2586, Springer Nature,
2021, doi:10.1038/s41467-021-22725-9.
short: D. Scarselli, N.B. Budanur, M. Timme, B. Hof, Nature Communications 12 (2021).
date_created: 2021-05-23T22:01:42Z
date_published: 2021-05-10T00:00:00Z
date_updated: 2026-04-03T09:37:18Z
day: '10'
ddc:
- '570'
department:
- _id: BjHo
doi: 10.1038/s41467-021-22725-9
external_id:
isi:
- '000687305500044'
pmid:
- '33972522'
file:
- access_level: open_access
checksum: fe26c1b8a7da1ae07a6c03f80ff06ea1
content_type: application/pdf
creator: kschuh
date_created: 2021-05-25T14:18:40Z
date_updated: 2021-05-25T14:18:40Z
file_id: '9426'
file_name: 2021_NatureCommunications_Scarselli.pdf
file_size: 1176573
relation: main_file
success: 1
file_date_updated: 2021-05-25T14:18:40Z
has_accepted_license: '1'
intvolume: ' 12'
isi: 1
issue: '1'
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
pmid: 1
publication: Nature Communications
publication_identifier:
eissn:
- 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/smashing-the-covid-curve/
scopus_import: '1'
status: public
title: Discontinuous epidemic transition due to limited testing
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: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 12
year: '2021'
...
---
_id: '9642'
abstract:
- lang: eng
text: Perineuronal nets (PNNs), components of the extracellular matrix, preferentially
coat parvalbumin-positive interneurons and constrain critical-period plasticity
in the adult cerebral cortex. Current strategies to remove PNN are long-lasting,
invasive, and trigger neuropsychiatric symptoms. Here, we apply repeated anesthetic
ketamine as a method with minimal behavioral effect. We find that this paradigm
strongly reduces PNN coating in the healthy adult brain and promotes juvenile-like
plasticity. Microglia are critically involved in PNN loss because they engage
with parvalbumin-positive neurons in their defined cortical layer. We identify
external 60-Hz light-flickering entrainment to recapitulate microglia-mediated
PNN removal. Importantly, 40-Hz frequency, which is known to remove amyloid plaques,
does not induce PNN loss, suggesting microglia might functionally tune to distinct
brain frequencies. Thus, our 60-Hz light-entrainment strategy provides an alternative
form of PNN intervention in the healthy adult brain.
acknowledged_ssus:
- _id: Bio
- _id: PreCl
acknowledgement: We thank the scientific service units at IST Austria, especially
the IST bioimaging facility, the preclinical facility, and, specifically, Michael
Schunn and Sonja Haslinger for excellent support; Plexxikon for the PLX food; the
Csicsvari group for advice and equipment for in vivo recording; Jürgen Siegert for
the light-entrainment design; Marco Benevento, Soledad Gonzalo Cogno, Pat King,
and all Siegert group members for constant feedback on the project and manuscript;
Lorena Pantano (PILM Bioinformatics Core) for assisting with sample-size determination
for OD plasticity experiments; and Ana Morello from MIT for technical assistance
with VEPs recordings. This research was supported by a DOC Fellowship from the Austrian
Academy of Sciences at the Institute of Science and Technology Austria to R.S.,
from the European Union Horizon 2020 research and innovation program under the Marie
Skłodowska-Curie Actions program (grants 665385 to G.C.; 754411 to R.J.A.C.), the
European Research Council (grant 715571 to S.S.), and the National Eye Institute
of the National Institutes of Health under award numbers R01EY029245 (to M.F.B.)
and R01EY023037 (diversity supplement to H.D.J-C.).
article_number: '109313'
article_processing_charge: No
article_type: original
author:
- first_name: Alessandro
full_name: Venturino, Alessandro
id: 41CB84B2-F248-11E8-B48F-1D18A9856A87
last_name: Venturino
orcid: 0000-0003-2356-9403
- first_name: Rouven
full_name: Schulz, Rouven
id: 4C5E7B96-F248-11E8-B48F-1D18A9856A87
last_name: Schulz
orcid: 0000-0001-5297-733X
- first_name: Héctor
full_name: De Jesús-Cortés, Héctor
last_name: De Jesús-Cortés
- first_name: Margaret E
full_name: Maes, Margaret E
id: 3838F452-F248-11E8-B48F-1D18A9856A87
last_name: Maes
orcid: 0000-0001-9642-1085
- first_name: Balint
full_name: Nagy, Balint
id: 93C65ECC-A6F2-11E9-8DF9-9712E6697425
last_name: Nagy
- first_name: Francis
full_name: Reilly-Andújar, Francis
last_name: Reilly-Andújar
- first_name: Gloria
full_name: Colombo, Gloria
id: 3483CF6C-F248-11E8-B48F-1D18A9856A87
last_name: Colombo
orcid: 0000-0001-9434-8902
- first_name: Ryan J
full_name: Cubero, Ryan J
id: 850B2E12-9CD4-11E9-837F-E719E6697425
last_name: Cubero
orcid: 0000-0003-0002-1867
- first_name: Florianne E
full_name: Schoot Uiterkamp, Florianne E
id: 3526230C-F248-11E8-B48F-1D18A9856A87
last_name: Schoot Uiterkamp
- first_name: Mark F.
full_name: Bear, Mark F.
last_name: Bear
- first_name: Sandra
full_name: Siegert, Sandra
id: 36ACD32E-F248-11E8-B48F-1D18A9856A87
last_name: Siegert
orcid: 0000-0001-8635-0877
citation:
ama: Venturino A, Schulz R, De Jesús-Cortés H, et al. Microglia enable mature perineuronal
nets disassembly upon anesthetic ketamine exposure or 60-Hz light entrainment
in the healthy brain. Cell Reports. 2021;36(1). doi:10.1016/j.celrep.2021.109313
apa: Venturino, A., Schulz, R., De Jesús-Cortés, H., Maes, M. E., Nagy, B., Reilly-Andújar,
F., … Siegert, S. (2021). Microglia enable mature perineuronal nets disassembly
upon anesthetic ketamine exposure or 60-Hz light entrainment in the healthy brain.
Cell Reports. Elsevier. https://doi.org/10.1016/j.celrep.2021.109313
chicago: Venturino, Alessandro, Rouven Schulz, Héctor De Jesús-Cortés, Margaret
E Maes, Balint Nagy, Francis Reilly-Andújar, Gloria Colombo, et al. “Microglia
Enable Mature Perineuronal Nets Disassembly upon Anesthetic Ketamine Exposure
or 60-Hz Light Entrainment in the Healthy Brain.” Cell Reports. Elsevier,
2021. https://doi.org/10.1016/j.celrep.2021.109313.
ieee: A. Venturino et al., “Microglia enable mature perineuronal nets disassembly
upon anesthetic ketamine exposure or 60-Hz light entrainment in the healthy brain,”
Cell Reports, vol. 36, no. 1. Elsevier, 2021.
ista: Venturino A, Schulz R, De Jesús-Cortés H, Maes ME, Nagy B, Reilly-Andújar
F, Colombo G, Cubero RJ, Miteva FE, Bear MF, Siegert S. 2021. Microglia enable
mature perineuronal nets disassembly upon anesthetic ketamine exposure or 60-Hz
light entrainment in the healthy brain. Cell Reports. 36(1), 109313.
mla: Venturino, Alessandro, et al. “Microglia Enable Mature Perineuronal Nets Disassembly
upon Anesthetic Ketamine Exposure or 60-Hz Light Entrainment in the Healthy Brain.”
Cell Reports, vol. 36, no. 1, 109313, Elsevier, 2021, doi:10.1016/j.celrep.2021.109313.
short: A. Venturino, R. Schulz, H. De Jesús-Cortés, M.E. Maes, B. Nagy, F. Reilly-Andújar,
G. Colombo, R.J. Cubero, F.E. Miteva, M.F. Bear, S. Siegert, Cell Reports 36 (2021).
date_created: 2021-07-11T22:01:16Z
date_published: 2021-07-06T00:00:00Z
date_updated: 2026-04-03T09:46:05Z
day: '06'
ddc:
- '570'
department:
- _id: SaSi
doi: 10.1016/j.celrep.2021.109313
ec_funded: 1
external_id:
isi:
- '000670188500004'
pmid:
- '34233180'
file:
- access_level: open_access
checksum: f056255f6d01fd9a86b5387635928173
content_type: application/pdf
creator: cziletti
date_created: 2021-07-19T13:32:17Z
date_updated: 2021-07-19T13:32:17Z
file_id: '9693'
file_name: 2021_CellReports_Venturino.pdf
file_size: 56388540
relation: main_file
success: 1
file_date_updated: 2021-07-19T13:32:17Z
has_accepted_license: '1'
intvolume: ' 36'
isi: 1
issue: '1'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: 25D4A630-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '715571'
name: Microglia action towards neuronal circuit formation and function in health
and disease
publication: Cell Reports
publication_identifier:
eissn:
- 2211-1247
publication_status: published
publisher: Elsevier
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/the-twinkle-and-the-brain/
scopus_import: '1'
status: public
title: Microglia enable mature perineuronal nets disassembly upon anesthetic ketamine
exposure or 60-Hz light entrainment in the healthy brain
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 36
year: '2021'
...
---
_id: '9550'
abstract:
- lang: eng
text: 'We prove that the energy of any eigenvector of a sum of several independent
large Wigner matrices is equally distributed among these matrices with very high
precision. This shows a particularly strong microcanonical form of the equipartition
principle for quantum systems whose components are modelled by Wigner matrices. '
acknowledgement: The first author is supported in part by Hong Kong RGC Grant GRF
16301519 and NSFC 11871425. The second author is supported in part by ERC Advanced
Grant RANMAT 338804. The third author is supported in part by Swedish Research Council
Grant VR-2017-05195 and the Knut and Alice Wallenberg Foundation
article_number: e44
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Zhigang
full_name: Bao, Zhigang
id: 442E6A6C-F248-11E8-B48F-1D18A9856A87
last_name: Bao
orcid: 0000-0003-3036-1475
- first_name: László
full_name: Erdös, László
id: 4DBD5372-F248-11E8-B48F-1D18A9856A87
last_name: Erdös
orcid: 0000-0001-5366-9603
- first_name: Kevin
full_name: Schnelli, Kevin
id: 434AD0AE-F248-11E8-B48F-1D18A9856A87
last_name: Schnelli
orcid: 0000-0003-0954-3231
citation:
ama: Bao Z, Erdös L, Schnelli K. Equipartition principle for Wigner matrices. Forum
of Mathematics, Sigma. 2021;9. doi:10.1017/fms.2021.38
apa: Bao, Z., Erdös, L., & Schnelli, K. (2021). Equipartition principle for
Wigner matrices. Forum of Mathematics, Sigma. Cambridge University Press.
https://doi.org/10.1017/fms.2021.38
chicago: Bao, Zhigang, László Erdös, and Kevin Schnelli. “Equipartition Principle
for Wigner Matrices.” Forum of Mathematics, Sigma. Cambridge University
Press, 2021. https://doi.org/10.1017/fms.2021.38.
ieee: Z. Bao, L. Erdös, and K. Schnelli, “Equipartition principle for Wigner matrices,”
Forum of Mathematics, Sigma, vol. 9. Cambridge University Press, 2021.
ista: Bao Z, Erdös L, Schnelli K. 2021. Equipartition principle for Wigner matrices.
Forum of Mathematics, Sigma. 9, e44.
mla: Bao, Zhigang, et al. “Equipartition Principle for Wigner Matrices.” Forum
of Mathematics, Sigma, vol. 9, e44, Cambridge University Press, 2021, doi:10.1017/fms.2021.38.
short: Z. Bao, L. Erdös, K. Schnelli, Forum of Mathematics, Sigma 9 (2021).
date_created: 2021-06-13T22:01:33Z
date_published: 2021-05-27T00:00:00Z
date_updated: 2026-04-07T08:36:39Z
day: '27'
ddc:
- '510'
department:
- _id: LaEr
doi: 10.1017/fms.2021.38
ec_funded: 1
external_id:
arxiv:
- '2008.07061'
isi:
- '000654960800001'
file:
- access_level: open_access
checksum: 47c986578de132200d41e6d391905519
content_type: application/pdf
creator: cziletti
date_created: 2021-06-15T14:40:45Z
date_updated: 2021-06-15T14:40:45Z
file_id: '9555'
file_name: 2021_ForumMath_Bao.pdf
file_size: 483458
relation: main_file
success: 1
file_date_updated: 2021-06-15T14:40:45Z
has_accepted_license: '1'
intvolume: ' 9'
isi: 1
language:
- iso: eng
month: '05'
oa: 1
oa_version: Published Version
project:
- _id: 258DCDE6-B435-11E9-9278-68D0E5697425
call_identifier: FP7
grant_number: '338804'
name: Random matrices, universality and disordered quantum systems
publication: Forum of Mathematics, Sigma
publication_identifier:
eissn:
- 2050-5094
publication_status: published
publisher: Cambridge University Press
quality_controlled: '1'
scopus_import: '1'
status: public
title: Equipartition principle for Wigner matrices
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 9
year: '2021'
...
---
_id: '9558'
abstract:
- lang: eng
text: "We show that turbulent dynamics that arise in simulations of the three-dimensional
Navier--Stokes equations in a triply-periodic domain under sinusoidal forcing
can be described as transient visits to the neighborhoods of unstable time-periodic
solutions. Based on this description, we reduce the original system with more
than 10^5 degrees of freedom to a 17-node Markov chain where each node corresponds
to the neighborhood of a periodic orbit. The model accurately reproduces long-term
averages of the system's observables as weighted sums over the periodic orbits.\r\n"
acknowledged_ssus:
- _id: ScienComp
acknowledgement: "We thank the referees for improving this Letter with their comments.
We acknowledge stimulating discussions with\r\nH. Edelsbrunner. This work was supported
by Grant No. 662960 from the Simons Foundation (B. H.). The numerical calculations
were performed at TUBITAK ULAKBIM High Performance and Grid Computing Center (TRUBA
resources) and IST Austria High Performance Computing cluster."
article_number: '244502'
article_processing_charge: No
article_type: letter_note
arxiv: 1
author:
- first_name: Gökhan
full_name: Yalniz, Gökhan
id: 66E74FA2-D8BF-11E9-8249-8DE2E5697425
last_name: Yalniz
orcid: 0000-0002-8490-9312
- first_name: Björn
full_name: Hof, Björn
id: 3A374330-F248-11E8-B48F-1D18A9856A87
last_name: Hof
orcid: 0000-0003-2057-2754
- first_name: Nazmi B
full_name: Budanur, Nazmi B
id: 3EA1010E-F248-11E8-B48F-1D18A9856A87
last_name: Budanur
orcid: 0000-0003-0423-5010
citation:
ama: Yalniz G, Hof B, Budanur NB. Coarse graining the state space of a turbulent
flow using periodic orbits. Physical Review Letters. 2021;126(24). doi:10.1103/PhysRevLett.126.244502
apa: Yalniz, G., Hof, B., & Budanur, N. B. (2021). Coarse graining the state
space of a turbulent flow using periodic orbits. Physical Review Letters.
American Physical Society. https://doi.org/10.1103/PhysRevLett.126.244502
chicago: Yalniz, Gökhan, Björn Hof, and Nazmi B Budanur. “Coarse Graining the State
Space of a Turbulent Flow Using Periodic Orbits.” Physical Review Letters.
American Physical Society, 2021. https://doi.org/10.1103/PhysRevLett.126.244502.
ieee: G. Yalniz, B. Hof, and N. B. Budanur, “Coarse graining the state space of
a turbulent flow using periodic orbits,” Physical Review Letters, vol.
126, no. 24. American Physical Society, 2021.
ista: Yalniz G, Hof B, Budanur NB. 2021. Coarse graining the state space of a turbulent
flow using periodic orbits. Physical Review Letters. 126(24), 244502.
mla: Yalniz, Gökhan, et al. “Coarse Graining the State Space of a Turbulent Flow
Using Periodic Orbits.” Physical Review Letters, vol. 126, no. 24, 244502,
American Physical Society, 2021, doi:10.1103/PhysRevLett.126.244502.
short: G. Yalniz, B. Hof, N.B. Budanur, Physical Review Letters 126 (2021).
corr_author: '1'
date_created: 2021-06-16T15:45:36Z
date_published: 2021-06-18T00:00:00Z
date_updated: 2026-04-07T11:47:05Z
day: '18'
department:
- _id: GradSch
- _id: BjHo
doi: 10.1103/PhysRevLett.126.244502
external_id:
arxiv:
- '2007.02584'
isi:
- '000663310100008'
intvolume: ' 126'
isi: 1
issue: '24'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2007.02584
month: '06'
oa: 1
oa_version: Preprint
project:
- _id: 238598C6-32DE-11EA-91FC-C7463DDC885E
grant_number: '662960'
name: Revisiting the Turbulence Problem Using Statistical Mechanics
publication: Physical Review Letters
publication_identifier:
eissn:
- 1079-7114
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/turbulent-flow-simplified/
record:
- id: '19591'
relation: popular_science
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- id: '19684'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Coarse graining the state space of a turbulent flow using periodic orbits
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 126
year: '2021'
...
---
_id: '9903'
abstract:
- lang: eng
text: Eigenstate thermalization in quantum many-body systems implies that eigenstates
at high energy are similar to random vectors. Identifying systems where at least
some eigenstates are nonthermal is an outstanding question. In this Letter we
show that interacting quantum models that have a nullspace—a degenerate subspace
of eigenstates at zero energy (zero modes), which corresponds to infinite temperature,
provide a route to nonthermal eigenstates. We analytically show the existence
of a zero mode which can be represented as a matrix product state for a certain
class of local Hamiltonians. In the more general case we use a subspace disentangling
algorithm to generate an orthogonal basis of zero modes characterized by increasing
entanglement entropy. We show evidence for an area-law entanglement scaling of
the least-entangled zero mode in the broad parameter regime, leading to a conjecture
that all local Hamiltonians with the nullspace feature zero modes with area-law
entanglement scaling and, as such, break the strong thermalization hypothesis.
Finally, we find zero modes in constrained models and propose a setup for observing
their experimental signatures.
acknowledgement: "We acknowledge useful discussions with V. Gritsev and A. Garkun
and suggestions on implementation of the\r\nPPXPP model by D. Bluvstein. A. M. and
M. S. were supported by the European Research Council (ERC) under\r\nthe European
Union’s Horizon 2020 research and innovation program (Grant Agreement No. 850899)"
article_number: '060602'
article_processing_charge: Yes (in subscription journal)
article_type: letter_note
arxiv: 1
author:
- first_name: Volker
full_name: Karle, Volker
id: D7C012AE-D7ED-11E9-95E8-1EC5E5697425
last_name: Karle
orcid: 0000-0002-6963-0129
- first_name: Maksym
full_name: Serbyn, Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
- first_name: Alexios
full_name: Michailidis, Alexios
id: 36EBAD38-F248-11E8-B48F-1D18A9856A87
last_name: Michailidis
orcid: 0000-0002-8443-1064
citation:
ama: Karle V, Serbyn M, Michailidis A. Area-law entangled eigenstates from nullspaces
of local Hamiltonians. Physical Review Letters. 2021;127(6). doi:10.1103/physrevlett.127.060602
apa: Karle, V., Serbyn, M., & Michailidis, A. (2021). Area-law entangled eigenstates
from nullspaces of local Hamiltonians. Physical Review Letters. American
Physical Society. https://doi.org/10.1103/physrevlett.127.060602
chicago: Karle, Volker, Maksym Serbyn, and Alexios Michailidis. “Area-Law Entangled
Eigenstates from Nullspaces of Local Hamiltonians.” Physical Review Letters.
American Physical Society, 2021. https://doi.org/10.1103/physrevlett.127.060602.
ieee: V. Karle, M. Serbyn, and A. Michailidis, “Area-law entangled eigenstates from
nullspaces of local Hamiltonians,” Physical Review Letters, vol. 127, no.
6. American Physical Society, 2021.
ista: Karle V, Serbyn M, Michailidis A. 2021. Area-law entangled eigenstates from
nullspaces of local Hamiltonians. Physical Review Letters. 127(6), 060602.
mla: Karle, Volker, et al. “Area-Law Entangled Eigenstates from Nullspaces of Local
Hamiltonians.” Physical Review Letters, vol. 127, no. 6, 060602, American
Physical Society, 2021, doi:10.1103/physrevlett.127.060602.
short: V. Karle, M. Serbyn, A. Michailidis, Physical Review Letters 127 (2021).
date_created: 2021-08-13T09:27:39Z
date_published: 2021-08-06T00:00:00Z
date_updated: 2026-04-07T11:48:53Z
day: '06'
ddc:
- '539'
department:
- _id: MaSe
- _id: GradSch
- _id: MiLe
doi: 10.1103/physrevlett.127.060602
ec_funded: 1
external_id:
arxiv:
- '2102.13633'
isi:
- '000684276000002'
file:
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checksum: 51218f302dcef99d90d1209809fcc874
content_type: application/pdf
creator: mserbyn
date_created: 2021-08-13T09:28:08Z
date_updated: 2021-08-13T09:28:08Z
file_id: '9904'
file_name: PhysRevLett.127.060602_SOM.pdf
file_size: 5064231
relation: main_file
success: 1
file_date_updated: 2021-08-13T09:28:08Z
has_accepted_license: '1'
intvolume: ' 127'
isi: 1
issue: '6'
language:
- iso: eng
month: '08'
oa: 1
oa_version: Published Version
project:
- _id: 23841C26-32DE-11EA-91FC-C7463DDC885E
call_identifier: H2020
grant_number: '850899'
name: 'Non-Ergodic Quantum Matter: Universality, Dynamics and Control'
publication: Physical Review Letters
publication_identifier:
eissn:
- 1079-7114
issn:
- 0031-9007
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
record:
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relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Area-law entangled eigenstates from nullspaces of local Hamiltonians
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 127
year: '2021'
...
---
_id: '9356'
abstract:
- lang: eng
text: 'In runtime verification, a monitor watches a trace of a system and, if possible,
decides after observing each finite prefix whether or not the unknown infinite
trace satisfies a given specification. We generalize the theory of runtime verification
to monitors that attempt to estimate numerical values of quantitative trace properties
(instead of attempting to conclude boolean values of trace specifications), such
as maximal or average response time along a trace. Quantitative monitors are approximate:
with every finite prefix, they can improve their estimate of the infinite trace''s
unknown property value. Consequently, quantitative monitors can be compared with
regard to a precision-cost trade-off: better approximations of the property value
require more monitor resources, such as states (in the case of finite-state monitors)
or registers, and additional resources yield better approximations. We introduce
a formal framework for quantitative and approximate monitoring, show how it conservatively
generalizes the classical boolean setting for monitoring, and give several precision-cost
trade-offs for monitors. For example, we prove that there are quantitative properties
for which every additional register improves monitoring precision.'
acknowledgement: We thank the anonymous reviewers for their helpful comments. This
research was supported in part by the Austrian Science Fund (FWF) under grant Z211-N23
(Wittgenstein Award).
article_number: '9470547'
article_processing_charge: No
arxiv: 1
author:
- first_name: Thomas A
full_name: Henzinger, Thomas A
id: 40876CD8-F248-11E8-B48F-1D18A9856A87
last_name: Henzinger
orcid: 0000-0002-2985-7724
- first_name: Naci E
full_name: Sarac, Naci E
id: 8C6B42F8-C8E6-11E9-A03A-F2DCE5697425
last_name: Sarac
citation:
ama: 'Henzinger TA, Sarac NE. Quantitative and approximate monitoring. In: Proceedings
of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science. Institute
of Electrical and Electronics Engineers; 2021. doi:10.1109/LICS52264.2021.9470547'
apa: 'Henzinger, T. A., & Sarac, N. E. (2021). Quantitative and approximate
monitoring. In Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in
Computer Science. Online: Institute of Electrical and Electronics Engineers.
https://doi.org/10.1109/LICS52264.2021.9470547'
chicago: Henzinger, Thomas A, and Naci E Sarac. “Quantitative and Approximate Monitoring.”
In Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science.
Institute of Electrical and Electronics Engineers, 2021. https://doi.org/10.1109/LICS52264.2021.9470547.
ieee: T. A. Henzinger and N. E. Sarac, “Quantitative and approximate monitoring,”
in Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science,
Online, 2021.
ista: 'Henzinger TA, Sarac NE. 2021. Quantitative and approximate monitoring. Proceedings
of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science. LICS: Logic
in Computer Science, 9470547.'
mla: Henzinger, Thomas A., and Naci E. Sarac. “Quantitative and Approximate Monitoring.”
Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer Science,
9470547, Institute of Electrical and Electronics Engineers, 2021, doi:10.1109/LICS52264.2021.9470547.
short: T.A. Henzinger, N.E. Sarac, in:, Proceedings of the 36th Annual ACM/IEEE
Symposium on Logic in Computer Science, Institute of Electrical and Electronics
Engineers, 2021.
conference:
end_date: 2021-07-02
location: Online
name: 'LICS: Logic in Computer Science'
start_date: 2021-06-29
date_created: 2021-04-30T17:30:47Z
date_published: 2021-06-29T00:00:00Z
date_updated: 2026-04-07T12:02:57Z
day: '29'
ddc:
- '000'
department:
- _id: GradSch
- _id: ToHe
doi: 10.1109/LICS52264.2021.9470547
external_id:
arxiv:
- '2105.08353'
isi:
- '000947350400021'
file:
- access_level: open_access
checksum: 6e4cba3f72775f479c5b1b75d1a4a0c4
content_type: application/pdf
creator: esarac
date_created: 2021-06-16T08:23:54Z
date_updated: 2021-06-16T08:23:54Z
file_id: '9557'
file_name: qam.pdf
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relation: main_file
success: 1
file_date_updated: 2021-06-16T08:23:54Z
has_accepted_license: '1'
isi: 1
language:
- iso: eng
month: '06'
oa: 1
oa_version: Published Version
project:
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: Z211
name: Formal methods for the design and analysis of complex systems
publication: Proceedings of the 36th Annual ACM/IEEE Symposium on Logic in Computer
Science
publication_status: published
publisher: Institute of Electrical and Electronics Engineers
quality_controlled: '1'
related_material:
record:
- id: '20147'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Quantitative and approximate monitoring
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2021'
...
---
_id: '9905'
abstract:
- lang: eng
text: Vaccines are thought to be the best available solution for controlling the
ongoing SARS-CoV-2 pandemic. However, the emergence of vaccine-resistant strains
may come too rapidly for current vaccine developments to alleviate the health,
economic and social consequences of the pandemic. To quantify and characterize
the risk of such a scenario, we created a SIR-derived model with initial stochastic
dynamics of the vaccine-resistant strain to study the probability of its emergence
and establishment. Using parameters realistically resembling SARS-CoV-2 transmission,
we model a wave-like pattern of the pandemic and consider the impact of the rate
of vaccination and the strength of non-pharmaceutical intervention measures on
the probability of emergence of a resistant strain. As expected, we found that
a fast rate of vaccination decreases the probability of emergence of a resistant
strain. Counterintuitively, when a relaxation of non-pharmaceutical interventions
happened at a time when most individuals of the population have already been vaccinated
the probability of emergence of a resistant strain was greatly increased. Consequently,
we show that a period of transmission reduction close to the end of the vaccination
campaign can substantially reduce the probability of resistant strain establishment.
Our results suggest that policymakers and individuals should consider maintaining
non-pharmaceutical interventions and transmission-reducing behaviours throughout
the entire vaccination period.
acknowledgement: We thank Alexey Kondrashov, Nick Machnik, Raimundo Julian Saona Urmeneta,
Gasper Tkacik and Nick Barton for fruitful discussions. We also thank participants
of EvoLunch seminar at IST Austria and the internal seminar at the Banco de España
for useful comments. The opinions expressed in this document are exclusively of
the authors and, therefore, do not necessarily coincide with those of the Banco
de España or the Eurosystem. ETD is supported by the Swiss National Science and
Louis Jeantet Foundation. The work of FAK was in part supported by the ERC Consolidator
Grant (771209-CharFL).
article_number: '15729'
article_processing_charge: Yes
article_type: original
author:
- first_name: Simon
full_name: Rella, Simon
id: B4765ACA-AA38-11E9-AC9A-0930E6697425
last_name: Rella
- first_name: Yuliya A.
full_name: Kulikova, Yuliya A.
last_name: Kulikova
- first_name: Emmanouil T.
full_name: Dermitzakis, Emmanouil T.
last_name: Dermitzakis
- first_name: Fyodor
full_name: Kondrashov, Fyodor
id: 44FDEF62-F248-11E8-B48F-1D18A9856A87
last_name: Kondrashov
orcid: 0000-0001-8243-4694
citation:
ama: Rella S, Kulikova YA, Dermitzakis ET, Kondrashov F. Rates of SARS-CoV-2 transmission
and vaccination impact the fate of vaccine-resistant strains. Scientific Reports.
2021;11(1). doi:10.1038/s41598-021-95025-3
apa: Rella, S., Kulikova, Y. A., Dermitzakis, E. T., & Kondrashov, F. (2021).
Rates of SARS-CoV-2 transmission and vaccination impact the fate of vaccine-resistant
strains. Scientific Reports. Springer Nature. https://doi.org/10.1038/s41598-021-95025-3
chicago: Rella, Simon, Yuliya A. Kulikova, Emmanouil T. Dermitzakis, and Fyodor
Kondrashov. “Rates of SARS-CoV-2 Transmission and Vaccination Impact the Fate
of Vaccine-Resistant Strains.” Scientific Reports. Springer Nature, 2021.
https://doi.org/10.1038/s41598-021-95025-3.
ieee: S. Rella, Y. A. Kulikova, E. T. Dermitzakis, and F. Kondrashov, “Rates of
SARS-CoV-2 transmission and vaccination impact the fate of vaccine-resistant strains,”
Scientific Reports, vol. 11, no. 1. Springer Nature, 2021.
ista: Rella S, Kulikova YA, Dermitzakis ET, Kondrashov F. 2021. Rates of SARS-CoV-2
transmission and vaccination impact the fate of vaccine-resistant strains. Scientific
Reports. 11(1), 15729.
mla: Rella, Simon, et al. “Rates of SARS-CoV-2 Transmission and Vaccination Impact
the Fate of Vaccine-Resistant Strains.” Scientific Reports, vol. 11, no.
1, 15729, Springer Nature, 2021, doi:10.1038/s41598-021-95025-3.
short: S. Rella, Y.A. Kulikova, E.T. Dermitzakis, F. Kondrashov, Scientific Reports
11 (2021).
date_created: 2021-08-15T22:01:26Z
date_published: 2021-07-30T00:00:00Z
date_updated: 2026-04-07T12:34:57Z
day: '30'
ddc:
- '570'
- '610'
department:
- _id: FyKo
doi: 10.1038/s41598-021-95025-3
ec_funded: 1
external_id:
isi:
- '000683329100001'
pmid:
- '34330988'
file:
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checksum: ac86892ed17e6724c7251844da5cef5c
content_type: application/pdf
creator: asandaue
date_created: 2021-08-16T11:36:49Z
date_updated: 2021-08-16T11:36:49Z
file_id: '9927'
file_name: 2021_ScientificReports_Rella.pdf
file_size: 3432001
relation: main_file
success: 1
file_date_updated: 2021-08-16T11:36:49Z
has_accepted_license: '1'
intvolume: ' 11'
isi: 1
issue: '1'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 26580278-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '771209'
name: Characterizing the fitness landscape on population and global scales
publication: Scientific Reports
publication_identifier:
eissn:
- 2045-2322
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
link:
- description: News on IST Website
relation: press_release
url: https://ist.ac.at/en/news/counterintuitive-dynamics-threaten-the-end-of-the-pandemic/
record:
- id: '20811'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Rates of SARS-CoV-2 transmission and vaccination impact the fate of vaccine-resistant
strains
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: ba8df636-2132-11f1-aed0-ed93e2281fdd
volume: 11
year: '2021'
...
---
_id: '10067'
abstract:
- lang: eng
text: The search for novel entangled phases of matter has lead to the recent discovery
of a new class of “entanglement transitions,” exemplified by random tensor networks
and monitored quantum circuits. Most known examples can be understood as some
classical ordering transitions in an underlying statistical mechanics model, where
entanglement maps onto the free-energy cost of inserting a domain wall. In this
paper we study the possibility of entanglement transitions driven by physics beyond
such statistical mechanics mappings. Motivated by recent applications of neural-network-inspired
variational Ansätze, we investigate under what conditions on the variational parameters
these Ansätze can capture an entanglement transition. We study the entanglement
scaling of short-range restricted Boltzmann machine (RBM) quantum states with
random phases. For uncorrelated random phases, we analytically demonstrate the
absence of an entanglement transition and reveal subtle finite-size effects in
finite-size numerical simulations. Introducing phases with correlations decaying
as 1/r^α in real space, we observe three regions with a different scaling of entanglement
entropy depending on the exponent α. We study the nature of the transition between
these regions, finding numerical evidence for critical behavior. Our work establishes
the presence of long-range correlated phases in RBM-based wave functions as a
required ingredient for entanglement transitions.
acknowledgement: We would like to thank S. De Nicola, P. Brighi, and V. Karle for
fruitful discussions and valuable feedback on the manuscript. R.M. 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.V. acknowledges
support from the US Department of Energy, Office of Science, Basic Energy Sciences,
under Early Career Award No. DE-SC0019168, and the Alfred P. Sloan Foundation through
a Sloan Research Fellowship.
article_number: '104205'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- 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: Medina Ramos RA, Vasseur R, Serbyn M. Entanglement transitions from restricted
Boltzmann machines. Physical Review B. 2021;104(10). doi:10.1103/physrevb.104.104205
apa: Medina Ramos, R. A., Vasseur, R., & Serbyn, M. (2021). Entanglement transitions
from restricted Boltzmann machines. Physical Review B. American Physical
Society. https://doi.org/10.1103/physrevb.104.104205
chicago: Medina Ramos, Raimel A, Romain Vasseur, and Maksym Serbyn. “Entanglement
Transitions from Restricted Boltzmann Machines.” Physical Review B. American
Physical Society, 2021. https://doi.org/10.1103/physrevb.104.104205.
ieee: R. A. Medina Ramos, R. Vasseur, and M. Serbyn, “Entanglement transitions from
restricted Boltzmann machines,” Physical Review B, vol. 104, no. 10. American
Physical Society, 2021.
ista: Medina Ramos RA, Vasseur R, Serbyn M. 2021. Entanglement transitions from
restricted Boltzmann machines. Physical Review B. 104(10), 104205.
mla: Medina Ramos, Raimel A., et al. “Entanglement Transitions from Restricted Boltzmann
Machines.” Physical Review B, vol. 104, no. 10, 104205, American Physical
Society, 2021, doi:10.1103/physrevb.104.104205.
short: R.A. Medina Ramos, R. Vasseur, M. Serbyn, Physical Review B 104 (2021).
corr_author: '1'
date_created: 2021-10-02T09:03:42Z
date_published: 2021-09-30T00:00:00Z
date_updated: 2026-04-07T12:43:22Z
day: '30'
department:
- _id: MaSe
doi: 10.1103/physrevb.104.104205
ec_funded: 1
external_id:
arxiv:
- '2107.05735'
isi:
- '000704414400002'
intvolume: ' 104'
isi: 1
issue: '10'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2107.05735
month: '09'
oa: 1
oa_version: Preprint
project:
- _id: 23841C26-32DE-11EA-91FC-C7463DDC885E
call_identifier: H2020
grant_number: '850899'
name: 'Non-Ergodic Quantum Matter: Universality, Dynamics and Control'
publication: Physical Review B
publication_identifier:
eissn:
- 2469-9969
issn:
- 2469-9950
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
record:
- id: '17208'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Entanglement transitions from restricted Boltzmann machines
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 104
year: '2021'
...
---
_id: '10545'
abstract:
- lang: eng
text: Classical models with complex energy landscapes represent a perspective avenue
for the near-term application of quantum simulators. Until now, many theoretical
works studied the performance of quantum algorithms for models with a unique ground
state. However, when the classical problem is in a so-called clustering phase,
the ground state manifold is highly degenerate. As an example, we consider a 3-XORSAT
model defined on simple hypergraphs. The degeneracy of classical ground state
manifold translates into the emergence of an extensive number of Z2 symmetries,
which remain intact even in the presence of a quantum transverse magnetic field.
We establish a general duality approach that restricts the quantum problem to
a given sector of conserved Z2 charges and use it to study how the outcome of
the quantum adiabatic algorithm depends on the hypergraph geometry. We show that
the tree hypergraph which corresponds to a classically solvable instance of the
3-XORSAT problem features a constant gap, whereas the closed hypergraph encounters
a second-order phase transition with a gap vanishing as a power-law in the problem
size. The duality developed in this work provides a practical tool for studies
of quantum models with classically degenerate energy manifold and reveals potential
connections between glasses and gauge theories.
acknowledgement: We would like to thank S. De Nicola, A. Michaidilis, T. Gulden, Y.
Nez-Fernndez, P. Brighi, and S. Sack for fruitful discussions and valuable feedback
on the manuscript. M.S. acknowledges useful discussions with E. Altman, L. Cugliandolo,
and C. Laumann. We acknowledge support from the European Research Council (ERC)
under the European Union's Horizon 2020 Research and Innovation Programme Grant
Agreement No. 850899.
article_number: '062423'
article_processing_charge: No
article_type: original
arxiv: 1
author:
- 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: Maksym
full_name: Serbyn, Maksym
id: 47809E7E-F248-11E8-B48F-1D18A9856A87
last_name: Serbyn
orcid: 0000-0002-2399-5827
citation:
ama: Medina Ramos RA, Serbyn M. Duality approach to quantum annealing of the 3-variable
exclusive-or satisfiability problem (3-XORSAT). Physical Review A. 2021;104(6).
doi:10.1103/physreva.104.062423
apa: Medina Ramos, R. A., & Serbyn, M. (2021). Duality approach to quantum annealing
of the 3-variable exclusive-or satisfiability problem (3-XORSAT). Physical
Review A. American Physical Society. https://doi.org/10.1103/physreva.104.062423
chicago: Medina Ramos, Raimel A, and Maksym Serbyn. “Duality Approach to Quantum
Annealing of the 3-Variable Exclusive-or Satisfiability Problem (3-XORSAT).” Physical
Review A. American Physical Society, 2021. https://doi.org/10.1103/physreva.104.062423.
ieee: R. A. Medina Ramos and M. Serbyn, “Duality approach to quantum annealing of
the 3-variable exclusive-or satisfiability problem (3-XORSAT),” Physical Review
A, vol. 104, no. 6. American Physical Society, 2021.
ista: Medina Ramos RA, Serbyn M. 2021. Duality approach to quantum annealing of
the 3-variable exclusive-or satisfiability problem (3-XORSAT). Physical Review
A. 104(6), 062423.
mla: Medina Ramos, Raimel A., and Maksym Serbyn. “Duality Approach to Quantum Annealing
of the 3-Variable Exclusive-or Satisfiability Problem (3-XORSAT).” Physical
Review A, vol. 104, no. 6, 062423, American Physical Society, 2021, doi:10.1103/physreva.104.062423.
short: R.A. Medina Ramos, M. Serbyn, Physical Review A 104 (2021).
date_created: 2021-12-14T20:46:07Z
date_published: 2021-12-14T00:00:00Z
date_updated: 2026-04-07T12:43:22Z
day: '14'
department:
- _id: MaSe
doi: 10.1103/physreva.104.062423
ec_funded: 1
external_id:
arxiv:
- '2106.06344'
isi:
- '000753659200004'
intvolume: ' 104'
isi: 1
issue: '6'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2106.06344
month: '12'
oa: 1
oa_version: Preprint
project:
- _id: 23841C26-32DE-11EA-91FC-C7463DDC885E
call_identifier: H2020
grant_number: '850899'
name: 'Non-Ergodic Quantum Matter: Universality, Dynamics and Control'
publication: Physical Review A
publication_identifier:
eissn:
- 2469-9934
issn:
- 2469-9926
publication_status: published
publisher: American Physical Society
quality_controlled: '1'
related_material:
record:
- id: '17208'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Duality approach to quantum annealing of the 3-variable exclusive-or satisfiability
problem (3-XORSAT)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 104
year: '2021'
...
---
_id: '9345'
abstract:
- lang: eng
text: Modeling a crystal as a periodic point set, we present a fingerprint consisting
of density functionsthat facilitates the efficient search for new materials and
material properties. We prove invarianceunder isometries, continuity, and completeness
in the generic case, which are necessary featuresfor the reliable comparison of
crystals. The proof of continuity integrates methods from discretegeometry and
lattice theory, while the proof of generic completeness combines techniques fromgeometry
with analysis. The fingerprint has a fast algorithm based on Brillouin zones and
relatedinclusion-exclusion formulae. We have implemented the algorithm and describe
its application tocrystal structure prediction.
acknowledgement: The authors thank Janos Pach for insightful discussions on the topic
of thispaper, Morteza Saghafian for finding the one-dimensional counterexample mentioned
in Section 5,and Larry Andrews for generously sharing his crystallographic perspective.
alternative_title:
- LIPIcs
article_processing_charge: No
author:
- first_name: Herbert
full_name: Edelsbrunner, Herbert
id: 3FB178DA-F248-11E8-B48F-1D18A9856A87
last_name: Edelsbrunner
orcid: 0000-0002-9823-6833
- first_name: Teresa
full_name: Heiss, Teresa
id: 4879BB4E-F248-11E8-B48F-1D18A9856A87
last_name: Heiss
orcid: 0000-0002-1780-2689
- first_name: Vitaliy
full_name: ' Kurlin , Vitaliy'
last_name: ' Kurlin '
- first_name: Philip
full_name: Smith, Philip
last_name: Smith
- first_name: Mathijs
full_name: Wintraecken, Mathijs
id: 307CFBC8-F248-11E8-B48F-1D18A9856A87
last_name: Wintraecken
orcid: 0000-0002-7472-2220
citation:
ama: 'Edelsbrunner H, Heiss T, Kurlin V, Smith P, Wintraecken M. The density fingerprint
of a periodic point set. In: 37th International Symposium on Computational
Geometry (SoCG 2021). Vol 189. Schloss Dagstuhl - Leibniz-Zentrum für Informatik;
2021:32:1-32:16. doi:10.4230/LIPIcs.SoCG.2021.32'
apa: 'Edelsbrunner, H., Heiss, T., Kurlin , V., Smith, P., & Wintraecken, M.
(2021). The density fingerprint of a periodic point set. In 37th International
Symposium on Computational Geometry (SoCG 2021) (Vol. 189, p. 32:1-32:16).
Virtual: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. https://doi.org/10.4230/LIPIcs.SoCG.2021.32'
chicago: Edelsbrunner, Herbert, Teresa Heiss, Vitaliy Kurlin , Philip Smith, and
Mathijs Wintraecken. “The Density Fingerprint of a Periodic Point Set.” In 37th
International Symposium on Computational Geometry (SoCG 2021), 189:32:1-32:16.
Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2021. https://doi.org/10.4230/LIPIcs.SoCG.2021.32.
ieee: H. Edelsbrunner, T. Heiss, V. Kurlin , P. Smith, and M. Wintraecken, “The
density fingerprint of a periodic point set,” in 37th International Symposium
on Computational Geometry (SoCG 2021), Virtual, 2021, vol. 189, p. 32:1-32:16.
ista: 'Edelsbrunner H, Heiss T, Kurlin V, Smith P, Wintraecken M. 2021. The density
fingerprint of a periodic point set. 37th International Symposium on Computational
Geometry (SoCG 2021). SoCG: Symposium on Computational Geometry, LIPIcs, vol.
189, 32:1-32:16.'
mla: Edelsbrunner, Herbert, et al. “The Density Fingerprint of a Periodic Point
Set.” 37th International Symposium on Computational Geometry (SoCG 2021),
vol. 189, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2021, p. 32:1-32:16,
doi:10.4230/LIPIcs.SoCG.2021.32.
short: H. Edelsbrunner, T. Heiss, V. Kurlin , P. Smith, M. Wintraecken, in:, 37th
International Symposium on Computational Geometry (SoCG 2021), Schloss Dagstuhl
- Leibniz-Zentrum für Informatik, 2021, p. 32:1-32:16.
conference:
end_date: 2021-06-11
location: Virtual
name: 'SoCG: Symposium on Computational Geometry'
start_date: 2021-06-07
date_created: 2021-04-22T08:09:58Z
date_published: 2021-06-02T00:00:00Z
date_updated: 2026-04-07T12:54:09Z
day: '02'
ddc:
- '004'
- '516'
department:
- _id: HeEd
doi: 10.4230/LIPIcs.SoCG.2021.32
ec_funded: 1
file:
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checksum: 1787baef1523d6d93753b90d0c109a6d
content_type: application/pdf
creator: mwintrae
date_created: 2021-04-22T08:08:14Z
date_updated: 2021-04-22T08:08:14Z
file_id: '9346'
file_name: df_socg_final_version.pdf
file_size: 3117435
relation: main_file
success: 1
file_date_updated: 2021-04-22T08:08:14Z
has_accepted_license: '1'
intvolume: ' 189'
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month: '06'
oa: 1
oa_version: Published Version
page: 32:1-32:16
project:
- _id: 266A2E9E-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '788183'
name: Alpha Shape Theory Extended
- _id: 0aa4bc98-070f-11eb-9043-e6fff9c6a316
grant_number: I4887
name: Persistent Homology, Algorithms and Stochastic Geometry
- _id: 25C5A090-B435-11E9-9278-68D0E5697425
call_identifier: FWF
grant_number: Z00312
name: Synaptic communication in neuronal microcircuits
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: 37th International Symposium on Computational Geometry (SoCG 2021)
publication_identifier:
issn:
- 1868-8969
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
quality_controlled: '1'
related_material:
record:
- id: '18667'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: The density fingerprint of a periodic point set
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: conference
user_id: D865714E-FA4E-11E9-B85B-F5C5E5697425
volume: 189
year: '2021'
...
---
_id: '7553'
abstract:
- lang: eng
text: Normative theories and statistical inference provide complementary approaches
for the study of biological systems. A normative theory postulates that organisms
have adapted to efficiently solve essential tasks, and proceeds to mathematically
work out testable consequences of such optimality; parameters that maximize the
hypothesized organismal function can be derived ab initio, without reference to
experimental data. In contrast, statistical inference focuses on efficient utilization
of data to learn model parameters, without reference to any a priori notion of
biological function, utility, or fitness. Traditionally, these two approaches
were developed independently and applied separately. Here we unify them in a coherent
Bayesian framework that embeds a normative theory into a family of maximum-entropy
“optimization priors.” This family defines a smooth interpolation between a data-rich
inference regime (characteristic of “bottom-up” statistical models), and a data-limited
ab inito prediction regime (characteristic of “top-down” normative theory). We
demonstrate the applicability of our framework using data from the visual cortex,
and argue that the flexibility it affords is essential to address a number of
fundamental challenges relating to inference and prediction in complex, high-dimensional
biological problems.
acknowledgement: The authors thank Dario Ringach for providing the V1 receptive fields
and Olivier Marre for providing the retinal receptive fields. W.M. was funded by
the European Union’s Horizon 2020 research and innovation programme under the Marie
Skłodowska-Curie grant agreement no. 754411. M.H. was funded in part by Human Frontiers
Science grant no. HFSP RGP0032/2018.
article_processing_charge: No
author:
- first_name: Wiktor F
full_name: Mlynarski, Wiktor F
id: 358A453A-F248-11E8-B48F-1D18A9856A87
last_name: Mlynarski
- first_name: Michal
full_name: Hledik, Michal
id: 4171253A-F248-11E8-B48F-1D18A9856A87
last_name: Hledik
- first_name: Thomas R
full_name: Sokolowski, Thomas R
id: 3E999752-F248-11E8-B48F-1D18A9856A87
last_name: Sokolowski
orcid: 0000-0002-1287-3779
- first_name: Gašper
full_name: Tkačik, Gašper
id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
last_name: Tkačik
orcid: 0000-0002-6699-1455
citation:
ama: Mlynarski WF, Hledik M, Sokolowski TR, Tkačik G. Statistical analysis and optimality
of neural systems. Neuron. 2021;109(7):1227-1241.e5. doi:10.1016/j.neuron.2021.01.020
apa: Mlynarski, W. F., Hledik, M., Sokolowski, T. R., & Tkačik, G. (2021). Statistical
analysis and optimality of neural systems. Neuron. Cell Press. https://doi.org/10.1016/j.neuron.2021.01.020
chicago: Mlynarski, Wiktor F, Michal Hledik, Thomas R Sokolowski, and Gašper Tkačik.
“Statistical Analysis and Optimality of Neural Systems.” Neuron. Cell Press,
2021. https://doi.org/10.1016/j.neuron.2021.01.020.
ieee: W. F. Mlynarski, M. Hledik, T. R. Sokolowski, and G. Tkačik, “Statistical
analysis and optimality of neural systems,” Neuron, vol. 109, no. 7. Cell
Press, p. 1227–1241.e5, 2021.
ista: Mlynarski WF, Hledik M, Sokolowski TR, Tkačik G. 2021. Statistical analysis
and optimality of neural systems. Neuron. 109(7), 1227–1241.e5.
mla: Mlynarski, Wiktor F., et al. “Statistical Analysis and Optimality of Neural
Systems.” Neuron, vol. 109, no. 7, Cell Press, 2021, p. 1227–1241.e5, doi:10.1016/j.neuron.2021.01.020.
short: W.F. Mlynarski, M. Hledik, T.R. Sokolowski, G. Tkačik, Neuron 109 (2021)
1227–1241.e5.
corr_author: '1'
date_created: 2020-02-28T11:00:12Z
date_published: 2021-04-07T00:00:00Z
date_updated: 2026-04-07T12:59:24Z
day: '07'
department:
- _id: GaTk
doi: 10.1016/j.neuron.2021.01.020
ec_funded: 1
external_id:
isi:
- '000637809600006'
pmid:
- '33592180'
intvolume: ' 109'
isi: 1
issue: '7'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://doi.org/10.1101/848374
month: '04'
oa: 1
oa_version: Preprint
page: 1227-1241.e5
pmid: 1
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
publication: Neuron
publication_status: published
publisher: Cell Press
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/can-evolution-be-predicted/
record:
- id: '15020'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Statistical analysis and optimality of neural systems
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 109
year: '2021'
...
---
_id: '10408'
abstract:
- lang: eng
text: 'Key trees are often the best solution in terms of transmission cost and storage
requirements for managing keys in a setting where a group needs to share a secret
key, while being able to efficiently rotate the key material of users (in order
to recover from a potential compromise, or to add or remove users). Applications
include multicast encryption protocols like LKH (Logical Key Hierarchies) or group
messaging like the current IETF proposal TreeKEM. A key tree is a (typically balanced)
binary tree, where each node is identified with a key: leaf nodes hold users’
secret keys while the root is the shared group key. For a group of size N, each
user just holds log(N) keys (the keys on the path from its leaf to the root)
and its entire key material can be rotated by broadcasting 2log(N) ciphertexts
(encrypting each fresh key on the path under the keys of its parents). In this
work we consider the natural setting where we have many groups with partially
overlapping sets of users, and ask if we can find solutions where the cost of
rotating a key is better than in the trivial one where we have a separate key
tree for each group. We show that in an asymptotic setting (where the number m
of groups is fixed while the number N of users grows) there exist more general
key graphs whose cost converges to the cost of a single group, thus saving a factor
linear in the number of groups over the trivial solution. As our asymptotic “solution”
converges very slowly and performs poorly on concrete examples, we propose an
algorithm that uses a natural heuristic to compute a key graph for any given group
structure. Our algorithm combines two greedy algorithms, and is thus very efficient:
it first converts the group structure into a “lattice graph”, which is then turned
into a key graph by repeatedly applying the algorithm for constructing a Huffman
code. To better understand how far our proposal is from an optimal solution, we
prove lower bounds on the update cost of continuous group-key agreement and multicast
encryption in a symbolic model admitting (asymmetric) encryption, pseudorandom
generators, and secret sharing as building blocks.'
acknowledgement: B. Auerbach, M.A. Baig and K. Pietrzak—received funding from the
European Research Council (ERC) under the European Union’s Horizon 2020 research
and innovation programme (682815 - TOCNeT); Karen Klein was supported in part by
ERC CoG grant 724307 and conducted part of this work at IST Austria, funded by the
ERC under the European Union’s Horizon 2020 research and innovation programme (682815
- TOCNeT); Guillermo Pascual-Perez was funded by the European Union’s Horizon 2020
research and innovation programme under the Marie Skłodowska-Curie Grant Agreement
No. 665385; Michael Walter conducted part of this work at IST Austria, funded by
the ERC under the European Union’s Horizon 2020 research and innovation programme
(682815 - TOCNeT).
alternative_title:
- LNCS
article_processing_charge: No
author:
- first_name: Joel F
full_name: Alwen, Joel F
id: 2A8DFA8C-F248-11E8-B48F-1D18A9856A87
last_name: Alwen
- first_name: Benedikt
full_name: Auerbach, Benedikt
id: D33D2B18-E445-11E9-ABB7-15F4E5697425
last_name: Auerbach
orcid: 0000-0002-7553-6606
- first_name: Mirza Ahad
full_name: Baig, Mirza Ahad
id: 3EDE6DE4-AA5A-11E9-986D-341CE6697425
last_name: Baig
- first_name: Miguel
full_name: Cueto Noval, Miguel
id: ffc563a3-f6e0-11ea-865d-e3cce03d17cc
last_name: Cueto Noval
orcid: 0000-0002-2505-4246
- first_name: Karen
full_name: Klein, Karen
id: 3E83A2F8-F248-11E8-B48F-1D18A9856A87
last_name: Klein
- first_name: Guillermo
full_name: Pascual Perez, Guillermo
id: 2D7ABD02-F248-11E8-B48F-1D18A9856A87
last_name: Pascual Perez
orcid: 0000-0001-8630-415X
- first_name: Krzysztof Z
full_name: Pietrzak, Krzysztof Z
id: 3E04A7AA-F248-11E8-B48F-1D18A9856A87
last_name: Pietrzak
orcid: 0000-0002-9139-1654
- first_name: Michael
full_name: Walter, Michael
id: 488F98B0-F248-11E8-B48F-1D18A9856A87
last_name: Walter
orcid: 0000-0003-3186-2482
citation:
ama: 'Alwen JF, Auerbach B, Baig MA, et al. Grafting key trees: Efficient key management
for overlapping groups. In: 19th International Conference. Vol 13044. Springer
Nature; 2021:222-253. doi:10.1007/978-3-030-90456-2_8'
apa: 'Alwen, J. F., Auerbach, B., Baig, M. A., Cueto Noval, M., Klein, K., Pascual
Perez, G., … Walter, M. (2021). Grafting key trees: Efficient key management for
overlapping groups. In 19th International Conference (Vol. 13044, pp. 222–253).
Raleigh, NC, United States: Springer Nature. https://doi.org/10.1007/978-3-030-90456-2_8'
chicago: 'Alwen, Joel F, Benedikt Auerbach, Mirza Ahad Baig, Miguel Cueto Noval,
Karen Klein, Guillermo Pascual Perez, Krzysztof Z Pietrzak, and Michael Walter.
“Grafting Key Trees: Efficient Key Management for Overlapping Groups.” In 19th
International Conference, 13044:222–53. Springer Nature, 2021. https://doi.org/10.1007/978-3-030-90456-2_8.'
ieee: 'J. F. Alwen et al., “Grafting key trees: Efficient key management
for overlapping groups,” in 19th International Conference, Raleigh, NC,
United States, 2021, vol. 13044, pp. 222–253.'
ista: 'Alwen JF, Auerbach B, Baig MA, Cueto Noval M, Klein K, Pascual Perez G, Pietrzak
KZ, Walter M. 2021. Grafting key trees: Efficient key management for overlapping
groups. 19th International Conference. TCC: Theory of Cryptography, LNCS, vol.
13044, 222–253.'
mla: 'Alwen, Joel F., et al. “Grafting Key Trees: Efficient Key Management for Overlapping
Groups.” 19th International Conference, vol. 13044, Springer Nature, 2021,
pp. 222–53, doi:10.1007/978-3-030-90456-2_8.'
short: J.F. Alwen, B. Auerbach, M.A. Baig, M. Cueto Noval, K. Klein, G. Pascual
Perez, K.Z. Pietrzak, M. Walter, in:, 19th International Conference, Springer
Nature, 2021, pp. 222–253.
conference:
end_date: 2021-11-11
location: Raleigh, NC, United States
name: 'TCC: Theory of Cryptography'
start_date: 2021-11-08
date_created: 2021-12-05T23:01:42Z
date_published: 2021-11-04T00:00:00Z
date_updated: 2026-04-07T13:01:26Z
day: '04'
department:
- _id: KrPi
doi: 10.1007/978-3-030-90456-2_8
ec_funded: 1
external_id:
isi:
- '000728363700008'
intvolume: ' 13044'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://eprint.iacr.org/2021/1158
month: '11'
oa: 1
oa_version: Preprint
page: 222-253
project:
- _id: 258AA5B2-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '682815'
name: Teaching Old Crypto New Tricks
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: 19th International Conference
publication_identifier:
eisbn:
- 978-3-030-90456-2
eissn:
- 1611-3349
isbn:
- 9-783-0309-0455-5
issn:
- 0302-9743
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
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- id: '18088'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'Grafting key trees: Efficient key management for overlapping groups'
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 13044
year: '2021'
...
---
_id: '10123'
abstract:
- lang: eng
text: Solution synthesis of particles emerged as an alternative to prepare thermoelectric
materials with less demanding processing conditions than conventional solid-state
synthetic methods. However, solution synthesis generally involves the presence
of additional molecules or ions belonging to the precursors or added to enable
solubility and/or regulate nucleation and growth. These molecules or ions can
end up in the particles as surface adsorbates and interfere in the material properties.
This work demonstrates that ionic adsorbates, in particular Na⁺ ions, are electrostatically
adsorbed in SnSe particles synthesized in water and play a crucial role not only
in directing the material nano/microstructure but also in determining the transport
properties of the consolidated material. In dense pellets prepared by sintering
SnSe particles, Na remains within the crystal lattice as dopant, in dislocations,
precipitates, and forming grain boundary complexions. These results highlight
the importance of considering all the possible unintentional impurities to establish
proper structure-property relationships and control material properties in solution-processed
thermoelectric materials.
acknowledged_ssus:
- _id: EM-Fac
- _id: NanoFab
acknowledgement: 'Y.L. and M.C. contributed equally to this work. This research was
supported by the Scientific Service Units (SSU) of IST Austria through resources
provided by Electron Microscopy Facility (EMF) and the Nanofabrication Facility
(NNF). This work was financially supported by IST Austria and the Werner Siemens
Foundation. Y.L. acknowledges funding from the European Union''s Horizon 2020 research
and innovation program under the Marie Sklodowska-Curie grant agreement No. 754411.
M.C. has received funding from the European Union''s Horizon 2020 research and innovation
program under the Marie Skłodowska-Curie Grant Agreement No. 665385. Y.Y. and O.C.-M.
acknowledge the financial support from DFG within the project SFB 917: Nanoswitches.
J.L. is a Serra Húnter Fellow and is grateful to ICREA Academia program. C.C. acknowledges
funding from the FWF “Lise Meitner Fellowship” grant agreement M 2889-N.'
article_number: '2106858'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Yuan
full_name: Yu, Yuan
last_name: Yu
- first_name: Aziz
full_name: Genç, Aziz
last_name: Genç
- first_name: Cheng
full_name: Chang, Cheng
id: 9E331C2E-9F27-11E9-AE48-5033E6697425
last_name: Chang
orcid: 0000-0002-9515-4277
- first_name: Tommaso
full_name: Costanzo, Tommaso
id: D93824F4-D9BA-11E9-BB12-F207E6697425
last_name: Costanzo
orcid: 0000-0001-9732-3815
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
orcid: 0000-0003-1537-7436
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Jordi
full_name: Llorca, Jordi
last_name: Llorca
- first_name: Oana
full_name: Cojocaru‐Mirédin, Oana
last_name: Cojocaru‐Mirédin
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Liu Y, Calcabrini M, Yu Y, et al. The importance of surface adsorbates in
solution‐processed thermoelectric materials: The case of SnSe. Advanced Materials.
2021;33(52). doi:10.1002/adma.202106858'
apa: 'Liu, Y., Calcabrini, M., Yu, Y., Genç, A., Chang, C., Costanzo, T., … Ibáñez,
M. (2021). The importance of surface adsorbates in solution‐processed thermoelectric
materials: The case of SnSe. Advanced Materials. Wiley. https://doi.org/10.1002/adma.202106858'
chicago: 'Liu, Yu, Mariano Calcabrini, Yuan Yu, Aziz Genç, Cheng Chang, Tommaso
Costanzo, Tobias Kleinhanns, et al. “The Importance of Surface Adsorbates in Solution‐processed
Thermoelectric Materials: The Case of SnSe.” Advanced Materials. Wiley,
2021. https://doi.org/10.1002/adma.202106858.'
ieee: 'Y. Liu et al., “The importance of surface adsorbates in solution‐processed
thermoelectric materials: The case of SnSe,” Advanced Materials, vol. 33,
no. 52. Wiley, 2021.'
ista: 'Liu Y, Calcabrini M, Yu Y, Genç A, Chang C, Costanzo T, Kleinhanns T, Lee
S, Llorca J, Cojocaru‐Mirédin O, Ibáñez M. 2021. The importance of surface adsorbates
in solution‐processed thermoelectric materials: The case of SnSe. Advanced Materials.
33(52), 2106858.'
mla: 'Liu, Yu, et al. “The Importance of Surface Adsorbates in Solution‐processed
Thermoelectric Materials: The Case of SnSe.” Advanced Materials, vol. 33,
no. 52, 2106858, Wiley, 2021, doi:10.1002/adma.202106858.'
short: Y. Liu, M. Calcabrini, Y. Yu, A. Genç, C. Chang, T. Costanzo, T. Kleinhanns,
S. Lee, J. Llorca, O. Cojocaru‐Mirédin, M. Ibáñez, Advanced Materials 33 (2021).
corr_author: '1'
date_created: 2021-10-11T20:07:24Z
date_published: 2021-12-29T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '29'
ddc:
- '620'
department:
- _id: EM-Fac
- _id: MaIb
doi: 10.1002/adma.202106858
ec_funded: 1
external_id:
isi:
- '000709899300001'
pmid:
- '34626034'
file:
- access_level: open_access
checksum: 990bccc527c64d85cf1c97885110b5f4
content_type: application/pdf
creator: cchlebak
date_created: 2022-02-03T13:16:14Z
date_updated: 2022-02-03T13:16:14Z
file_id: '10720'
file_name: 2021_AdvancedMaterials_Liu.pdf
file_size: 5595666
relation: main_file
success: 1
file_date_updated: 2022-02-03T13:16:14Z
has_accepted_license: '1'
intvolume: ' 33'
isi: 1
issue: '52'
keyword:
- mechanical engineering
- mechanics of materials
- general materials science
language:
- iso: eng
month: '12'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 260C2330-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '754411'
name: ISTplus - Postdoctoral Fellowships
- _id: 9B8804FC-BA93-11EA-9121-9846C619BF3A
grant_number: M02889
name: Bottom-up Engineering for Thermoelectric Applications
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
publication: Advanced Materials
publication_identifier:
eissn:
- 1521-4095
issn:
- 0935-9648
publication_status: published
publisher: Wiley
quality_controlled: '1'
related_material:
record:
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relation: later_version
status: public
- id: '12885'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'The importance of surface adsorbates in solution‐processed thermoelectric
materials: The case of SnSe'
tmp:
image: /images/cc_by.png
legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
short: CC BY (4.0)
type: journal_article
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
volume: 33
year: '2021'
...
---
_id: '10806'
abstract:
- lang: eng
text: Ligands are a fundamental part of nanocrystals. They control and direct nanocrystal
syntheses and provide colloidal stability. Bound ligands also affect the nanocrystals’
chemical reactivity and electronic structure. Surface chemistry is thus crucial
to understand nanocrystal properties and functionality. Here, we investigate the
synthesis of metal oxide nanocrystals (CeO2-x, ZnO, and NiO) from metal nitrate
precursors, in the presence of oleylamine ligands. Surprisingly, the nanocrystals
are capped exclusively with a fatty acid instead of oleylamine. Analysis of the
reaction mixtures with nuclear magnetic resonance spectroscopy revealed several
reaction byproducts and intermediates that are common to the decomposition of
Ce, Zn, Ni, and Zr nitrate precursors. Our evidence supports the oxidation of
alkylamine and formation of a carboxylic acid, thus unraveling this counterintuitive
surface chemistry.
acknowledgement: 'This work was financially supported by IST Austria and the Werner
Siemens Foundation. M.C. has received funding from the European Union’s Horizon
2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement
No. 665385. The work was also financially supported by University of Basel, SNSF
NCCR Molecular Systems Engineering (project number: 182895) and SNSF R’equip (project
number: 189622). J.L. is a Serra Húnter Fellow and is grateful to ICREA Academia
program and MICINN/FEDER RTI2018-093996-B-C31 and GC 2017 SGR 128 projects.'
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Dietger
full_name: Van den Eynden, Dietger
last_name: Van den Eynden
- first_name: Sergi
full_name: Sanchez Ribot, Sergi
id: ddae5a59-f6e0-11ea-865d-d9dc61e77a2a
last_name: Sanchez Ribot
- first_name: Rohan
full_name: Pokratath, Rohan
last_name: Pokratath
- first_name: Jordi
full_name: Llorca, Jordi
last_name: Llorca
- first_name: Jonathan
full_name: De Roo, Jonathan
last_name: De Roo
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: 'Calcabrini M, Van den Eynden D, Sanchez Ribot S, et al. Ligand conversion
in nanocrystal synthesis: The oxidation of alkylamines to fatty acids by nitrate.
JACS Au. 2021;1(11):1898-1903. doi:10.1021/jacsau.1c00349'
apa: 'Calcabrini, M., Van den Eynden, D., Sanchez Ribot, S., Pokratath, R., Llorca,
J., De Roo, J., & Ibáñez, M. (2021). Ligand conversion in nanocrystal synthesis:
The oxidation of alkylamines to fatty acids by nitrate. JACS Au. American
Chemical Society. https://doi.org/10.1021/jacsau.1c00349'
chicago: 'Calcabrini, Mariano, Dietger Van den Eynden, Sergi Sanchez Ribot, Rohan
Pokratath, Jordi Llorca, Jonathan De Roo, and Maria Ibáñez. “Ligand Conversion
in Nanocrystal Synthesis: The Oxidation of Alkylamines to Fatty Acids by Nitrate.”
JACS Au. American Chemical Society, 2021. https://doi.org/10.1021/jacsau.1c00349.'
ieee: 'M. Calcabrini et al., “Ligand conversion in nanocrystal synthesis:
The oxidation of alkylamines to fatty acids by nitrate,” JACS Au, vol.
1, no. 11. American Chemical Society, pp. 1898–1903, 2021.'
ista: 'Calcabrini M, Van den Eynden D, Sanchez Ribot S, Pokratath R, Llorca J, De
Roo J, Ibáñez M. 2021. Ligand conversion in nanocrystal synthesis: The oxidation
of alkylamines to fatty acids by nitrate. JACS Au. 1(11), 1898–1903.'
mla: 'Calcabrini, Mariano, et al. “Ligand Conversion in Nanocrystal Synthesis: The
Oxidation of Alkylamines to Fatty Acids by Nitrate.” JACS Au, vol. 1, no.
11, American Chemical Society, 2021, pp. 1898–903, doi:10.1021/jacsau.1c00349.'
short: M. Calcabrini, D. Van den Eynden, S. Sanchez Ribot, R. Pokratath, J. Llorca,
J. De Roo, M. Ibáñez, JACS Au 1 (2021) 1898–1903.
corr_author: '1'
date_created: 2022-03-02T15:24:16Z
date_published: 2021-11-22T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '22'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/jacsau.1c00349
ec_funded: 1
file:
- access_level: open_access
checksum: 1c66a35369e911312a359111420318a9
content_type: application/pdf
creator: cchlebak
date_created: 2022-03-02T15:33:18Z
date_updated: 2022-03-02T15:33:18Z
file_id: '10807'
file_name: 2021_JACSAu_Calcabrini.pdf
file_size: 1257973
relation: main_file
success: 1
file_date_updated: 2022-03-02T15:33:18Z
has_accepted_license: '1'
intvolume: ' 1'
issue: '11'
keyword:
- general medicine
language:
- iso: eng
month: '11'
oa: 1
oa_version: Published Version
page: 1898-1903
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
- _id: 9B8F7476-BA93-11EA-9121-9846C619BF3A
name: 'HighTE: The Werner Siemens Laboratory for the High Throughput Discovery of
Semiconductors for Waste Heat Recovery'
- _id: B67AFEDC-15C9-11EA-A837-991A96BB2854
name: IST Austria Open Access Fund
publication: JACS Au
publication_identifier:
eissn:
- 2691-3704
issn:
- 2691-3704
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
link:
- relation: earlier_version
url: https://doi.org/10.26434/chemrxiv-2021-cn2fr
record:
- id: '12885'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'Ligand conversion in nanocrystal synthesis: The oxidation of alkylamines to
fatty acids by nitrate'
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: 8b945eb4-e2f2-11eb-945a-df72226e66a9
volume: 1
year: '2021'
...
---
_id: '9118'
abstract:
- lang: eng
text: Cesium lead halides have intrinsically unstable crystal lattices and easily
transform within perovskite and nonperovskite structures. In this work, we explore
the conversion of the perovskite CsPbBr3 into Cs4PbBr6 in the presence of PbS
at 450 °C to produce doped nanocrystal-based composites with embedded Cs4PbBr6
nanoprecipitates. We show that PbBr2 is extracted from CsPbBr3 and diffuses into
the PbS lattice with a consequent increase in the concentration of free charge
carriers. This new doping strategy enables the adjustment of the density of charge
carriers between 1019 and 1020 cm–3, and it may serve as a general strategy for
doping other nanocrystal-based semiconductors.
acknowledgement: "M.C. has received funding from the European Union’s Horizon 2020
research and innovation programme under the Marie Skłodowska-Curie Grant Agreement
No. 665385. ICN2\r\nacknowledges funding from Generalitat de Catalunya 2017 SGR
327. ICN2 is supported by the Severo Ochoa program from Spanish MINECO (Grant No.
SEV-2017-0706) and is funded by the CERCA Programme/Generalitat de Catalunya. This
project has received funding from the European Union’s Horizon 2020 research and
innovation programme under grant agreement No 823717 − ESTEEM3. M.V.K. acknowledges
the support by the European Research Council under the Horizon 2020 Framework Program
(ERC Consolidator Grant SCALEHALO\r\nGrant Agreement No. 819740) and by FET-OPEN
project no. 862656 (DROP-IT)."
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Mariano
full_name: Calcabrini, Mariano
id: 45D7531A-F248-11E8-B48F-1D18A9856A87
last_name: Calcabrini
orcid: 0000-0003-4566-5877
- first_name: Aziz
full_name: Genc, Aziz
last_name: Genc
- first_name: Yu
full_name: Liu, Yu
id: 2A70014E-F248-11E8-B48F-1D18A9856A87
last_name: Liu
orcid: 0000-0001-7313-6740
- first_name: Tobias
full_name: Kleinhanns, Tobias
id: 8BD9DE16-AB3C-11E9-9C8C-2A03E6697425
last_name: Kleinhanns
orcid: 0000-0003-1537-7436
- first_name: Seungho
full_name: Lee, Seungho
id: BB243B88-D767-11E9-B658-BC13E6697425
last_name: Lee
orcid: 0000-0002-6962-8598
- first_name: Dmitry N.
full_name: Dirin, Dmitry N.
last_name: Dirin
- first_name: Quinten A.
full_name: Akkerman, Quinten A.
last_name: Akkerman
- first_name: Maksym V.
full_name: Kovalenko, Maksym V.
last_name: Kovalenko
- first_name: Jordi
full_name: Arbiol, Jordi
last_name: Arbiol
- first_name: Maria
full_name: Ibáñez, Maria
id: 43C61214-F248-11E8-B48F-1D18A9856A87
last_name: Ibáñez
orcid: 0000-0001-5013-2843
citation:
ama: Calcabrini M, Genc A, Liu Y, et al. Exploiting the lability of metal halide
perovskites for doping semiconductor nanocomposites. ACS Energy Letters.
2021;6(2):581-587. doi:10.1021/acsenergylett.0c02448
apa: Calcabrini, M., Genc, A., Liu, Y., Kleinhanns, T., Lee, S., Dirin, D. N., …
Ibáñez, M. (2021). Exploiting the lability of metal halide perovskites for doping
semiconductor nanocomposites. ACS Energy Letters. American Chemical Society.
https://doi.org/10.1021/acsenergylett.0c02448
chicago: Calcabrini, Mariano, Aziz Genc, Yu Liu, Tobias Kleinhanns, Seungho Lee,
Dmitry N. Dirin, Quinten A. Akkerman, Maksym V. Kovalenko, Jordi Arbiol, and Maria
Ibáñez. “Exploiting the Lability of Metal Halide Perovskites for Doping Semiconductor
Nanocomposites.” ACS Energy Letters. American Chemical Society, 2021. https://doi.org/10.1021/acsenergylett.0c02448.
ieee: M. Calcabrini et al., “Exploiting the lability of metal halide perovskites
for doping semiconductor nanocomposites,” ACS Energy Letters, vol. 6, no.
2. American Chemical Society, pp. 581–587, 2021.
ista: Calcabrini M, Genc A, Liu Y, Kleinhanns T, Lee S, Dirin DN, Akkerman QA, Kovalenko
MV, Arbiol J, Ibáñez M. 2021. Exploiting the lability of metal halide perovskites
for doping semiconductor nanocomposites. ACS Energy Letters. 6(2), 581–587.
mla: Calcabrini, Mariano, et al. “Exploiting the Lability of Metal Halide Perovskites
for Doping Semiconductor Nanocomposites.” ACS Energy Letters, vol. 6, no.
2, American Chemical Society, 2021, pp. 581–87, doi:10.1021/acsenergylett.0c02448.
short: M. Calcabrini, A. Genc, Y. Liu, T. Kleinhanns, S. Lee, D.N. Dirin, Q.A. Akkerman,
M.V. Kovalenko, J. Arbiol, M. Ibáñez, ACS Energy Letters 6 (2021) 581–587.
date_created: 2021-02-14T23:01:14Z
date_published: 2021-01-20T00:00:00Z
date_updated: 2026-04-07T13:26:13Z
day: '20'
ddc:
- '540'
department:
- _id: MaIb
doi: 10.1021/acsenergylett.0c02448
ec_funded: 1
external_id:
isi:
- '000619803400036'
pmid:
- '33614964'
file:
- access_level: open_access
checksum: 6fa7374bf8b95fdfe6e6c595322a6689
content_type: application/pdf
creator: dernst
date_created: 2021-02-17T07:36:52Z
date_updated: 2021-02-17T07:36:52Z
file_id: '9155'
file_name: 2021_ACSEnergyLetters_Calcabrini.pdf
file_size: 5071201
relation: main_file
success: 1
file_date_updated: 2021-02-17T07:36:52Z
has_accepted_license: '1'
intvolume: ' 6'
isi: 1
issue: '2'
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 581-587
pmid: 1
project:
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: ACS Energy Letters
publication_identifier:
eissn:
- 2380-8195
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
related_material:
record:
- id: '12885'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Exploiting the lability of metal halide perovskites for doping semiconductor
nanocomposites
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: 6
year: '2021'
...
---
_id: '8910'
abstract:
- lang: eng
text: A semiconducting nanowire fully wrapped by a superconducting shell has been
proposed as a platform for obtaining Majorana modes at small magnetic fields.
In this study, we demonstrate that the appearance of subgap states in such structures
is actually governed by the junction region in tunneling spectroscopy measurements
and not the full-shell nanowire itself. Short tunneling regions never show subgap
states, whereas longer junctions always do. This can be understood in terms of
quantum dots forming in the junction and hosting Andreev levels in the Yu-Shiba-Rusinov
regime. The intricate magnetic field dependence of the Andreev levels, through
both the Zeeman and Little-Parks effects, may result in robust zero-bias peaks—features
that could be easily misinterpreted as originating from Majorana zero modes but
are unrelated to topological superconductivity.
acknowledged_ssus:
- _id: M-Shop
- _id: NanoFab
acknowledgement: The authors thank A. Higginbotham, E. J. H. Lee and F. R. Martins
for helpful discussions. This research was supported by the Scientific Service Units
of IST Austria through resources provided by the MIBA Machine Shop and the nanofabrication
facility; the NOMIS Foundation and Microsoft; the European Union’s Horizon 2020
research and innovation program under the Marie SklodowskaCurie grant agreement
No 844511; the FETOPEN Grant Agreement No. 828948; the European Research Commission
through the grant agreement HEMs-DAM No 716655; the Spanish Ministry of Science
and Innovation through Grants PGC2018-097018-B-I00, PCI2018-093026, FIS2016-80434-P
(AEI/FEDER, EU), RYC2011-09345 (Ram´on y Cajal Programme), and the Mar´ıa de Maeztu
Programme for Units of Excellence in R&D (CEX2018-000805-M); the CSIC Research Platform
on Quantum Technologies PTI-001.
article_number: 82-88
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: Marco
full_name: Valentini, Marco
id: C0BB2FAC-D767-11E9-B658-BC13E6697425
last_name: Valentini
- first_name: Fernando
full_name: Peñaranda, Fernando
last_name: Peñaranda
- first_name: Andrea C
full_name: Hofmann, Andrea C
id: 340F461A-F248-11E8-B48F-1D18A9856A87
last_name: Hofmann
- first_name: Matthias
full_name: Brauns, Matthias
id: 33F94E3C-F248-11E8-B48F-1D18A9856A87
last_name: Brauns
- first_name: Robert
full_name: Hauschild, Robert
id: 4E01D6B4-F248-11E8-B48F-1D18A9856A87
last_name: Hauschild
orcid: 0000-0001-9843-3522
- first_name: Peter
full_name: Krogstrup, Peter
last_name: Krogstrup
- first_name: Pablo
full_name: San-Jose, Pablo
last_name: San-Jose
- first_name: Elsa
full_name: Prada, Elsa
last_name: Prada
- first_name: Ramón
full_name: Aguado, Ramón
last_name: Aguado
- first_name: Georgios
full_name: Katsaros, Georgios
id: 38DB5788-F248-11E8-B48F-1D18A9856A87
last_name: Katsaros
orcid: 0000-0001-8342-202X
citation:
ama: Valentini M, Peñaranda F, Hofmann AC, et al. Nontopological zero-bias peaks
in full-shell nanowires induced by flux-tunable Andreev states. Science.
2021;373(6550). doi:10.1126/science.abf1513
apa: Valentini, M., Peñaranda, F., Hofmann, A. C., Brauns, M., Hauschild, R., Krogstrup,
P., … Katsaros, G. (2021). Nontopological zero-bias peaks in full-shell nanowires
induced by flux-tunable Andreev states. Science. American Association for
the Advancement of Science. https://doi.org/10.1126/science.abf1513
chicago: Valentini, Marco, Fernando Peñaranda, Andrea C Hofmann, Matthias Brauns,
Robert Hauschild, Peter Krogstrup, Pablo San-Jose, Elsa Prada, Ramón Aguado, and
Georgios Katsaros. “Nontopological Zero-Bias Peaks in Full-Shell Nanowires Induced
by Flux-Tunable Andreev States.” Science. American Association for the
Advancement of Science, 2021. https://doi.org/10.1126/science.abf1513.
ieee: M. Valentini et al., “Nontopological zero-bias peaks in full-shell
nanowires induced by flux-tunable Andreev states,” Science, vol. 373, no.
6550. American Association for the Advancement of Science, 2021.
ista: Valentini M, Peñaranda F, Hofmann AC, Brauns M, Hauschild R, Krogstrup P,
San-Jose P, Prada E, Aguado R, Katsaros G. 2021. Nontopological zero-bias peaks
in full-shell nanowires induced by flux-tunable Andreev states. Science. 373(6550),
82–88.
mla: Valentini, Marco, et al. “Nontopological Zero-Bias Peaks in Full-Shell Nanowires
Induced by Flux-Tunable Andreev States.” Science, vol. 373, no. 6550, 82–88,
American Association for the Advancement of Science, 2021, doi:10.1126/science.abf1513.
short: M. Valentini, F. Peñaranda, A.C. Hofmann, M. Brauns, R. Hauschild, P. Krogstrup,
P. San-Jose, E. Prada, R. Aguado, G. Katsaros, Science 373 (2021).
date_created: 2020-12-02T10:51:52Z
date_published: 2021-07-02T00:00:00Z
date_updated: 2026-04-07T13:27:22Z
day: '02'
department:
- _id: GeKa
- _id: Bio
doi: 10.1126/science.abf1513
ec_funded: 1
external_id:
arxiv:
- '2008.02348'
isi:
- '000677843100034'
pmid:
- '34210881'
intvolume: ' 373'
isi: 1
issue: '6550'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2008.02348
month: '07'
oa: 1
oa_version: Submitted Version
pmid: 1
project:
- _id: 262116AA-B435-11E9-9278-68D0E5697425
name: Hybrid Semiconductor - Superconductor Quantum Devices
- _id: 26A151DA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '844511'
name: Majorana bound states in Ge/SiGe heterostructures
publication: Science
publication_identifier:
eissn:
- 1095-9203
issn:
- 0036-8075
publication_status: published
publisher: American Association for the Advancement of Science
quality_controlled: '1'
related_material:
link:
- description: News on IST Homepage
relation: press_release
url: https://ist.ac.at/en/news/unfinding-a-split-electron/
record:
- id: '9389'
relation: research_data
status: public
- id: '13286'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Nontopological zero-bias peaks in full-shell nanowires induced by flux-tunable
Andreev states
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 373
year: '2021'
...
---
_id: '10414'
abstract:
- lang: eng
text: 'We consider the almost-sure (a.s.) termination problem for probabilistic
programs, which are a stochastic extension of classical imperative programs. Lexicographic
ranking functions provide a sound and practical approach for termination of non-probabilistic
programs, and their extension to probabilistic programs is achieved via lexicographic
ranking supermartingales (LexRSMs). However, LexRSMs introduced in the previous
work have a limitation that impedes their automation: all of their components
have to be non-negative in all reachable states. This might result in LexRSM not
existing even for simple terminating programs. Our contributions are twofold:
First, we introduce a generalization of LexRSMs which allows for some components
to be negative. This standard feature of non-probabilistic termination proofs
was hitherto not known to be sound in the probabilistic setting, as the soundness
proof requires a careful analysis of the underlying stochastic process. Second,
we present polynomial-time algorithms using our generalized LexRSMs for proving
a.s. termination in broad classes of linear-arithmetic programs.'
acknowledgement: This research was partially supported by the ERC CoG 863818 (ForM-SMArt),
the Czech Science Foundation grant No. GJ19-15134Y, and the European Union’s Horizon
2020 research and innovation programme under the Marie Skłodowska-Curie Grant Agreement
No. 665385.
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Krishnendu
full_name: Chatterjee, Krishnendu
id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
last_name: Chatterjee
orcid: 0000-0002-4561-241X
- first_name: Ehsan
full_name: Kafshdar Goharshadi, Ehsan
id: 103b4fa0-896a-11ed-bdf8-87b697bef40d
last_name: Kafshdar Goharshadi
orcid: 0000-0002-8595-0587
- first_name: Petr
full_name: Novotný, Petr
id: 3CC3B868-F248-11E8-B48F-1D18A9856A87
last_name: Novotný
- first_name: Jiří
full_name: Zárevúcky, Jiří
last_name: Zárevúcky
- first_name: Dorde
full_name: Zikelic, Dorde
id: 294AA7A6-F248-11E8-B48F-1D18A9856A87
last_name: Zikelic
orcid: 0000-0002-4681-1699
citation:
ama: 'Chatterjee K, Goharshady E, Novotný P, Zárevúcky J, Zikelic D. On lexicographic
proof rules for probabilistic termination. In: 24th International Symposium
on Formal Methods. Vol 13047. Springer Nature; 2021:619-639. doi:10.1007/978-3-030-90870-6_33'
apa: 'Chatterjee, K., Goharshady, E., Novotný, P., Zárevúcky, J., & Zikelic,
D. (2021). On lexicographic proof rules for probabilistic termination. In 24th
International Symposium on Formal Methods (Vol. 13047, pp. 619–639). Virtual:
Springer Nature. https://doi.org/10.1007/978-3-030-90870-6_33'
chicago: Chatterjee, Krishnendu, Ehsan Goharshady, Petr Novotný, Jiří Zárevúcky,
and Dorde Zikelic. “On Lexicographic Proof Rules for Probabilistic Termination.”
In 24th International Symposium on Formal Methods, 13047:619–39. Springer
Nature, 2021. https://doi.org/10.1007/978-3-030-90870-6_33.
ieee: K. Chatterjee, E. Goharshady, P. Novotný, J. Zárevúcky, and D. Zikelic, “On
lexicographic proof rules for probabilistic termination,” in 24th International
Symposium on Formal Methods, Virtual, 2021, vol. 13047, pp. 619–639.
ista: 'Chatterjee K, Goharshady E, Novotný P, Zárevúcky J, Zikelic D. 2021. On lexicographic
proof rules for probabilistic termination. 24th International Symposium on Formal
Methods. FM: Formal Methods, LNCS, vol. 13047, 619–639.'
mla: Chatterjee, Krishnendu, et al. “On Lexicographic Proof Rules for Probabilistic
Termination.” 24th International Symposium on Formal Methods, vol. 13047,
Springer Nature, 2021, pp. 619–39, doi:10.1007/978-3-030-90870-6_33.
short: K. Chatterjee, E. Goharshady, P. Novotný, J. Zárevúcky, D. Zikelic, in:,
24th International Symposium on Formal Methods, Springer Nature, 2021, pp. 619–639.
conference:
end_date: 2021-11-26
location: Virtual
name: 'FM: Formal Methods'
start_date: 2021-11-20
date_created: 2021-12-05T23:01:45Z
date_published: 2021-11-10T00:00:00Z
date_updated: 2026-04-07T13:27:55Z
day: '10'
department:
- _id: KrCh
doi: 10.1007/978-3-030-90870-6_33
ec_funded: 1
external_id:
arxiv:
- '2108.02188'
isi:
- '000758218600033'
intvolume: ' 13047'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2108.02188
month: '11'
oa: 1
oa_version: Preprint
page: 619-639
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
- _id: 2564DBCA-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '665385'
name: International IST Doctoral Program
publication: 24th International Symposium on Formal Methods
publication_identifier:
eisbn:
- 978-3-030-90870-6
eissn:
- 1611-3349
isbn:
- 9-783-0309-0869-0
issn:
- 0302-9743
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
related_material:
record:
- id: '14778'
relation: later_version
status: public
- id: '14539'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: On lexicographic proof rules for probabilistic termination
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 13047
year: '2021'
...
---
_id: '9644'
abstract:
- lang: eng
text: 'We present a new approach to proving non-termination of non-deterministic
integer programs. Our technique is rather simple but efficient. It relies on a
purely syntactic reversal of the program''s transition system followed by a constraint-based
invariant synthesis with constraints coming from both the original and the reversed
transition system. The latter task is performed by a simple call to an off-the-shelf
SMT-solver, which allows us to leverage the latest advances in SMT-solving. Moreover,
our method offers a combination of features not present (as a whole) in previous
approaches: it handles programs with non-determinism, provides relative completeness
guarantees and supports programs with polynomial arithmetic. The experiments performed
with our prototype tool RevTerm show that our approach, despite its simplicity
and stronger theoretical guarantees, is at least on par with the state-of-the-art
tools, often achieving a non-trivial improvement under a proper configuration
of its parameters.'
acknowledgement: We thank the anonymous reviewers for their helpful comments. This
research was partially supported by the ERCCoG 863818 (ForM-SMArt) and the Czech
Science Foundation grant No. GJ19-15134Y.
article_processing_charge: No
arxiv: 1
author:
- first_name: Krishnendu
full_name: Chatterjee, Krishnendu
id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
last_name: Chatterjee
orcid: 0000-0002-4561-241X
- first_name: Ehsan Kafshdar
full_name: Goharshady, Ehsan Kafshdar
last_name: Goharshady
- first_name: Petr
full_name: Novotný, Petr
id: 3CC3B868-F248-11E8-B48F-1D18A9856A87
last_name: Novotný
- first_name: Dorde
full_name: Zikelic, Dorde
id: 294AA7A6-F248-11E8-B48F-1D18A9856A87
last_name: Zikelic
orcid: 0000-0002-4681-1699
citation:
ama: 'Chatterjee K, Goharshady EK, Novotný P, Zikelic D. Proving non-termination
by program reversal. In: Proceedings of the 42nd ACM SIGPLAN International
Conference on Programming Language Design and Implementation. Association
for Computing Machinery; 2021:1033-1048. doi:10.1145/3453483.3454093'
apa: 'Chatterjee, K., Goharshady, E. K., Novotný, P., & Zikelic, D. (2021).
Proving non-termination by program reversal. In Proceedings of the 42nd ACM
SIGPLAN International Conference on Programming Language Design and Implementation
(pp. 1033–1048). Online: Association for Computing Machinery. https://doi.org/10.1145/3453483.3454093'
chicago: Chatterjee, Krishnendu, Ehsan Kafshdar Goharshady, Petr Novotný, and Dorde
Zikelic. “Proving Non-Termination by Program Reversal.” In Proceedings of the
42nd ACM SIGPLAN International Conference on Programming Language Design and Implementation,
1033–48. Association for Computing Machinery, 2021. https://doi.org/10.1145/3453483.3454093.
ieee: K. Chatterjee, E. K. Goharshady, P. Novotný, and D. Zikelic, “Proving non-termination
by program reversal,” in Proceedings of the 42nd ACM SIGPLAN International
Conference on Programming Language Design and Implementation, Online, 2021,
pp. 1033–1048.
ista: 'Chatterjee K, Goharshady EK, Novotný P, Zikelic D. 2021. Proving non-termination
by program reversal. Proceedings of the 42nd ACM SIGPLAN International Conference
on Programming Language Design and Implementation. PLDI: Programming Language
Design and Implementation, 1033–1048.'
mla: Chatterjee, Krishnendu, et al. “Proving Non-Termination by Program Reversal.”
Proceedings of the 42nd ACM SIGPLAN International Conference on Programming
Language Design and Implementation, Association for Computing Machinery, 2021,
pp. 1033–48, doi:10.1145/3453483.3454093.
short: K. Chatterjee, E.K. Goharshady, P. Novotný, D. Zikelic, in:, Proceedings
of the 42nd ACM SIGPLAN International Conference on Programming Language Design
and Implementation, Association for Computing Machinery, 2021, pp. 1033–1048.
conference:
end_date: 2021-06-26
location: Online
name: 'PLDI: Programming Language Design and Implementation'
start_date: 2021-06-20
date_created: 2021-07-11T22:01:17Z
date_published: 2021-06-01T00:00:00Z
date_updated: 2026-04-07T13:27:55Z
day: '01'
department:
- _id: KrCh
doi: 10.1145/3453483.3454093
ec_funded: 1
external_id:
arxiv:
- '2104.01189'
isi:
- '000723661700067'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://arxiv.org/abs/2104.01189
month: '06'
oa: 1
oa_version: Preprint
page: 1033-1048
project:
- _id: 0599E47C-7A3F-11EA-A408-12923DDC885E
call_identifier: H2020
grant_number: '863818'
name: 'Formal Methods for Stochastic Models: Algorithms and Applications'
publication: Proceedings of the 42nd ACM SIGPLAN International Conference on Programming
Language Design and Implementation
publication_identifier:
isbn:
- '9781450383912'
publication_status: published
publisher: Association for Computing Machinery
quality_controlled: '1'
related_material:
record:
- id: '15284'
relation: research_data
status: public
- id: '14539'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: Proving non-termination by program reversal
type: conference
user_id: 4359f0d1-fa6c-11eb-b949-802e58b17ae8
year: '2021'
...
---
_id: '11458'
abstract:
- lang: eng
text: 'The increasing computational requirements of deep neural networks (DNNs)
have led to significant interest in obtaining DNN models that are sparse, yet
accurate. Recent work has investigated the even harder case of sparse training,
where the DNN weights are, for as much as possible, already sparse to reduce computational
costs during training. Existing sparse training methods are often empirical and
can have lower accuracy relative to the dense baseline. In this paper, we present
a general approach called Alternating Compressed/DeCompressed (AC/DC) training
of DNNs, demonstrate convergence for a variant of the algorithm, and show that
AC/DC outperforms existing sparse training methods in accuracy at similar computational
budgets; at high sparsity levels, AC/DC even outperforms existing methods that
rely on accurate pre-trained dense models. An important property of AC/DC is that
it allows co-training of dense and sparse models, yielding accurate sparse–dense
model pairs at the end of the training process. This is useful in practice, where
compressed variants may be desirable for deployment in resource-constrained settings
without re-doing the entire training flow, and also provides us with insights
into the accuracy gap between dense and compressed models. The code is available
at: https://github.com/IST-DASLab/ACDC.'
acknowledged_ssus:
- _id: ScienComp
acknowledgement: This project has received funding from the European Research Council
(ERC) under the European Union’s Horizon 2020 research and innovation programme
(grant agreement No 805223 ScaleML), and a CNRS PEPS grant. This research was supported
by the Scientific Service Units (SSU) of IST Austria through resources provided
by Scientific Computing (SciComp). We would also like to thank Christoph Lampert
for his feedback on an earlier version of this work, as well as for providing hardware
for the Transformer-XL experiments.
alternative_title:
- Advances in Neural Information Processing Systems
article_processing_charge: No
arxiv: 1
author:
- first_name: Elena-Alexandra
full_name: Peste, Elena-Alexandra
id: 32D78294-F248-11E8-B48F-1D18A9856A87
last_name: Peste
- 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: Adrian
full_name: Vladu, Adrian
last_name: Vladu
- 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: 'Krumes A, Iofinova EB, Vladu A, Alistarh D-A. AC/DC: Alternating Compressed/DeCompressed
training of deep neural networks. In: 35th Conference on Neural Information
Processing Systems. Vol 34. Neural Information Processing Systems Foundation;
2021:8557-8570.'
apa: 'Krumes, A., Iofinova, E. B., Vladu, A., & Alistarh, D.-A. (2021). AC/DC:
Alternating Compressed/DeCompressed training of deep neural networks. In 35th
Conference on Neural Information Processing Systems (Vol. 34, pp. 8557–8570).
Virtual, Online: Neural Information Processing Systems Foundation.'
chicago: 'Krumes, Alexandra, Eugenia B Iofinova, Adrian Vladu, and Dan-Adrian Alistarh.
“AC/DC: Alternating Compressed/DeCompressed Training of Deep Neural Networks.”
In 35th Conference on Neural Information Processing Systems, 34:8557–70.
Neural Information Processing Systems Foundation, 2021.'
ieee: 'A. Krumes, E. B. Iofinova, A. Vladu, and D.-A. Alistarh, “AC/DC: Alternating
Compressed/DeCompressed training of deep neural networks,” in 35th Conference
on Neural Information Processing Systems, Virtual, Online, 2021, vol. 34,
pp. 8557–8570.'
ista: 'Krumes A, Iofinova EB, Vladu A, Alistarh D-A. 2021. AC/DC: Alternating Compressed/DeCompressed
training of deep neural networks. 35th Conference on Neural Information Processing
Systems. NeurIPS: Neural Information Processing Systems, Advances in Neural Information
Processing Systems, vol. 34, 8557–8570.'
mla: 'Krumes, Alexandra, et al. “AC/DC: Alternating Compressed/DeCompressed Training
of Deep Neural Networks.” 35th Conference on Neural Information Processing
Systems, vol. 34, Neural Information Processing Systems Foundation, 2021,
pp. 8557–70.'
short: A. Krumes, E.B. Iofinova, A. Vladu, D.-A. Alistarh, in:, 35th Conference
on Neural Information Processing Systems, Neural Information Processing Systems
Foundation, 2021, pp. 8557–8570.
conference:
end_date: 2021-12-14
location: Virtual, Online
name: 'NeurIPS: Neural Information Processing Systems'
start_date: 2021-12-06
corr_author: '1'
date_created: 2022-06-20T12:11:53Z
date_published: 2021-12-06T00:00:00Z
date_updated: 2026-04-07T13:30:19Z
day: '06'
department:
- _id: GradSch
- _id: DaAl
ec_funded: 1
external_id:
arxiv:
- '2106.12379'
intvolume: ' 34'
language:
- iso: eng
main_file_link:
- open_access: '1'
url: https://proceedings.neurips.cc/paper/2021/file/48000647b315f6f00f913caa757a70b3-Paper.pdf
month: '12'
oa: 1
oa_version: Published Version
page: 8557-8570
project:
- _id: 268A44D6-B435-11E9-9278-68D0E5697425
call_identifier: H2020
grant_number: '805223'
name: Elastic Coordination for Scalable Machine Learning
publication: 35th Conference on Neural Information Processing Systems
publication_identifier:
isbn:
- '9781713845393'
issn:
- 1049-5258
publication_status: published
publisher: Neural Information Processing Systems Foundation
quality_controlled: '1'
related_material:
record:
- id: '13074'
relation: dissertation_contains
status: public
scopus_import: '1'
status: public
title: 'AC/DC: Alternating Compressed/DeCompressed training of deep neural networks'
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 34
year: '2021'
...