---
OA_place: publisher
_id: '20991'
abstract:
- lang: eng
  text: "Rapid local adaptation to new environments is critical for species persistence,
    especially in introduced populations. The evolutionary success of these populations
    is fundamentally dictated by the organization of genetic variation—the genomic
    architecture—in the face of severe demographic constraints, such as the founder
    effects and genetic bottlenecks that frequently accompany colonization. A central
    question in evolutionary biology is whether rapid adaptation relies on major-effect
    loci, such as chromosomal inversions, or on many small-effect loci dispersed across
    the genome. Furthermore, the genomic architecture strongly influences the extent
    to which evolutionary outcomes are predictable. Using introduced populations of
    the marine snail, Littorina saxatilis, as a model, this thesis investigates how
    genetic variation and genomic structure drive adaptation following introduction.
    We employed a population genomics approach on experimentally and accidentally
    introduced populations to dissect the specific genomic features that underpin
    divergence in newly colonized environments.\r\n\r\nIn Chapter 2, we tested the
    predictability of local adaptation through an uncommon 30-year transplant experiment
    in nature. By distinguishing allele and chromosomal inversion frequency changes
    from neutral expectations, we found that evolutionary change was highly predictable
    at the macro-scale (phenotypes and chromosomal inversions), but less robust at
    the level of individual collinear loci. This result demonstrates that evolution
    can be predictable when a population possesses sufficient standing genetic variation
    (SGV), with chromosomal inversions acting as key integrated units that facilitate
    a rapid response to selection. Building on this, Chapter 3 applied whole-genome
    sequencing to three accidentally introduced populations (Venice, San Francisco,
    and Redwood City) to investigate their likely source and genomic patterns of divergence.
    We identified genomic regions of remarkable divergence potentially associated
    with local adaptation, and likely fuelled by SGV, while explicitly acknowledging
    the difficulty in disentangling selection signals from the genome-wide effects
    of demographic processes. Furthermore, we found that the divergence patterns relied
    extensively on the collinear genome in these introduced populations, and less
    clearly on the chromosomal inversions. This observation contrasts with local adaptation
    observed in the experimental system that relied on both collinear loci and highly
    selected chromosomal inversions, highlighting how demographic history and genomic
    architecture influence the detectable signature of local adaptation.\r\n\r\nA
    major limitation to conducting large-scale comparative evolutionary studies is
    the lack of data standardization, which prevents the integration of community
    knowledge and high-resolution environmental and genetic data. Chapter 4 addresses
    this by developing a community database for the Littorina system. This platform
    implements standardized protocols for the integration of diverse phenotypic and
    environmental data from multiple Littorina species. Likewise, the platform also
    centralizes the availability of associated genomic data through links to external
    repositories. This database represents a crucial tool to test complex, large-scale
    evolutionary hypotheses.\r\n\r\nCollectively, this thesis strongly reinforces
    the fundamental importance of SGV as the raw material for successful local adaptation,
    a conclusion supported by evidence in both experimental and accidental introductions.
    Furthermore, this work highlights the critical role of the genomic architecture—specifically
    chromosomal inversions—in driving the predictability and effectiveness of adaptive
    responses. Our findings underscore how the interplay between SGV and genomic architecture
    dictates the trajectory and detectability of evolution in colonizing populations,
    while simultaneously providing a necessary tool to advance comparative evolutionary
    genomics in emerging model organisms."
acknowledgement: "I acknowledge the funding agencies 1Norwegian Research Council RCN
  project 315287.\r\n2The FIASCO project \"Illuminating range shifts through evolutionary
  FIASCO: contrasting\r\nFaIling And Successful ColOnizations in replicated wild populations\",
  funded by the\r\nEuropean Union - Next Generation EU (Piano Nazionale di Ripresa
  e Resilienza - MUR\r\ncode: P202229JBC, CUP: C53D23007100001). 3Ecotypic formation
  in Littorina saxatilis\r\nin the Western Atlantic and comparisons across the North
  Atlantic. University of\r\nGothenburg Research Travel Grant, Tjarno Marine Laboratory,
  Sweden. $3023 (2018).\r\n4JIN project (Young Researchers, Spanish Ministry of Science,
  RTI2018-101274-J-I00)"
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Diego Fernando
  full_name: Garcia Castillo, Diego Fernando
  id: ae681a14-dc74-11ea-a0a7-c6ef18161701
  last_name: Garcia Castillo
citation:
  ama: Garcia Castillo DF. The genomic architecture of local adaptation in introduced
    populations. 2026. doi:<a href="https://doi.org/10.15479/AT-ISTA-20991">10.15479/AT-ISTA-20991</a>
  apa: Garcia Castillo, D. F. (2026). <i>The genomic architecture of local adaptation
    in introduced populations</i>. Institute of Science and Technology Austria. <a
    href="https://doi.org/10.15479/AT-ISTA-20991">https://doi.org/10.15479/AT-ISTA-20991</a>
  chicago: Garcia Castillo, Diego Fernando. “The Genomic Architecture of Local Adaptation
    in Introduced Populations.” Institute of Science and Technology Austria, 2026.
    <a href="https://doi.org/10.15479/AT-ISTA-20991">https://doi.org/10.15479/AT-ISTA-20991</a>.
  ieee: D. F. Garcia Castillo, “The genomic architecture of local adaptation in introduced
    populations,” Institute of Science and Technology Austria, 2026.
  ista: Garcia Castillo DF. 2026. The genomic architecture of local adaptation in
    introduced populations. Institute of Science and Technology Austria.
  mla: Garcia Castillo, Diego Fernando. <i>The Genomic Architecture of Local Adaptation
    in Introduced Populations</i>. Institute of Science and Technology Austria, 2026,
    doi:<a href="https://doi.org/10.15479/AT-ISTA-20991">10.15479/AT-ISTA-20991</a>.
  short: D.F. Garcia Castillo, The Genomic Architecture of Local Adaptation in Introduced
    Populations, Institute of Science and Technology Austria, 2026.
corr_author: '1'
date_created: 2026-01-16T09:47:59Z
date_published: 2026-01-16T00:00:00Z
date_updated: 2026-10-21T08:18:21Z
day: '16'
ddc:
- '576'
degree_awarded: PhD
department:
- _id: GradSch
- _id: NiBa
doi: 10.15479/AT-ISTA-20991
file:
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  date_updated: 2026-01-16T13:08:14Z
  description: Source code of the PostgreSQL database, front-end and back-end of the
    LittorinaDB web application developed as a product of the 4th chapter of the thesis.
  file_id: '20998'
  file_name: 2026_DiegoGarcia_LittorinaDB Source Code and Protocols.rar
  file_size: 54491433
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  date_created: 2026-01-16T13:08:59Z
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  file_id: '21000'
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  file_size: 732
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fulldoi: https://doi.org/10.15479/AT-ISTA-20991
has_accepted_license: '1'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
month: '01'
oa: 1
oa_version: Published Version
page: '199'
publication_identifier:
  isbn:
  - 978-3-99078-077-0
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
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    status: public
  - id: '18491'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Nicholas H
  full_name: Barton, Nicholas H
  id: 4880FE40-F248-11E8-B48F-1D18A9856A87
  last_name: Barton
  orcid: 0000-0002-8548-5240
- first_name: Anja M
  full_name: Westram, Anja M
  id: 3C147470-F248-11E8-B48F-1D18A9856A87
  last_name: Westram
  orcid: 0000-0003-1050-4969
title: The genomic architecture of local adaptation in introduced populations
tmp:
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  legal_code_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode
  name: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC
    BY-NC-SA 4.0)
  short: CC BY-NC-SA (4.0)
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2026'
...
---
OA_place: publisher
_id: '22684'
abstract:
- lang: eng
  text: "Contact electrification (CE) is a simple yet elusive phenomenon that occurs
    when two materials come into contact and separate, leaving behind net electrical
    charge. Despite its ubiquity, the microscopic origin of CE remains unclear. In
    this thesis, we investigate CE from three complementary perspectives: developing
    a quantitative method to measure charge at the nanoscale, exploring the dynamic
    behavior of charge on insulating surfaces, and uncovering the role of mechanical
    history in forming a triboelectric series.\r\n\r\nIn the first part, we establish
    a rigorous framework for converting qualitative Kelvin probe force microscopy
    (KPFM) voltage maps into quantitative charge density distributions. Using finite
    element method (FEM) simulations, we determine the point-spread function of the
    KPFM tip–sample geometry and demonstrate that the true surface charge can be reconstructed
    by numerical deconvolution. This procedure enables the recovery of both the magnitude
    and sign of charge density with high fidelity, resolving nanoscale features that
    are otherwise obscured. Applying the method to contact-charged SiO$_2$ surfaces,
    we show that existing analytical approximations, such as parallel plate or spherical
    models, can miscalculate charge magnitude by orders of magnitude. Our hybrid FEM/KPFM
    approach therefore provides a fast and general method to convert qualitative KPFM
    signals into quantitative charge data, enabling nanoscale charge mapping under
    realistic experimental conditions.\r\n\r\nIn the second part, we study the temporal
    stability of CE-induced charges and identify the key material factors that determine
    whether KPFM can capture meaningful charge patterns. Through time-resolved experiments
    combining a custom-built transfer system with both microscopic and macroscopic
    measurements, we demonstrate that only the best insulators, such as SiO$_2$, preserve
    CE charge long enough for stationary imaging. For less conductive polymers, such
    as PDMS, charge decays within the duration of a single KPFM scan due to bulk conduction.
    Using a simple capacitor-based model, we reproduce the observed decay dynamics
    and confirm that the transferred charge decays characteristic to the sample's
    bulk conductivity. Further, we always observe homogeneous charge transfer.\r\n\r\nIn
    the third part, we address the question: can we form a triboelectric series with
    identical materials? Using controlled repetitive contact experiments, we show
    that nominally identical materials can progressively order themselves into a triboelectric
    series, where surfaces with more contact history charge negatively relative to
    fresher ones. By constructing a minimal model based on this ``contact bias'',
    we replicate the evolution from random to ordered charging observed in experiments.
    Supporting surface analyses, including atomic force microscopy, reveal that repeated
    contact induces nanoscale morphological changes, suggesting a mechanism tightly
    coupled to mechanical strain. These results highlight the crucial role of surface
    history and nanoscale mechanics in dictating charge transfer, motivating further
    exploration of mechanisms such as mechanochemical bond cleavage and flexoelectric
    polarization."
acknowledged_ssus:
- _id: NanoFab
- _id: ScienComp
- _id: LifeSc
- _id: M-Shop
- _id: EM-Fac
acknowledgement: "This project has received financing from the European Research Council
  grant agreement\r\nno. 949120 under the European Union’s Horizon 2020 research and
  innovation programme.\r\nThis research was supported by the Scientific Service Units
  of The Institute of Science\r\nand Technology Austria (ISTA) through resources provided
  by the Miba Machine Shop, the\r\nNanofabrication Facility, the Lab Support Facility,
  the Scientific Computing Facility and the\r\nElectron Microscopy Facility. We thank
  Florian Stumpf from Park Systems for useful discussions\r\nand support with scanning
  probe microscopy. We thank Joaquin Garcia-Suarez and Guillaume\r\nAnciaux for the
  suggestion to look into the roughness power spectral density. We thank\r\nIrina-Malina
  Strugaru for help with testing the device for Young’s modulus measurements.\r\n"
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Felix
  full_name: Pertl, Felix
  id: 6313aec0-15b2-11ec-abd3-ed67d16139af
  last_name: Pertl
  orcid: 0000-0003-0463-5794
citation:
  ama: Pertl F. Experimental probing of nanoscale charge features and surface morphology
    changes during tribocharging. 2026. doi:<a href="https://doi.org/10.15479/AT-ISTA-22684">10.15479/AT-ISTA-22684</a>
  apa: Pertl, F. (2026). <i>Experimental probing of nanoscale charge features and
    surface morphology changes during tribocharging</i>. Institute of Science and
    Technology Austria. <a href="https://doi.org/10.15479/AT-ISTA-22684">https://doi.org/10.15479/AT-ISTA-22684</a>
  chicago: Pertl, Felix. “Experimental Probing of Nanoscale Charge Features and Surface
    Morphology Changes during Tribocharging.” Institute of Science and Technology
    Austria, 2026. <a href="https://doi.org/10.15479/AT-ISTA-22684">https://doi.org/10.15479/AT-ISTA-22684</a>.
  ieee: F. Pertl, “Experimental probing of nanoscale charge features and surface morphology
    changes during tribocharging,” Institute of Science and Technology Austria, 2026.
  ista: Pertl F. 2026. Experimental probing of nanoscale charge features and surface
    morphology changes during tribocharging. Institute of Science and Technology Austria.
  mla: Pertl, Felix. <i>Experimental Probing of Nanoscale Charge Features and Surface
    Morphology Changes during Tribocharging</i>. Institute of Science and Technology
    Austria, 2026, doi:<a href="https://doi.org/10.15479/AT-ISTA-22684">10.15479/AT-ISTA-22684</a>.
  short: F. Pertl, Experimental Probing of Nanoscale Charge Features and Surface Morphology
    Changes during Tribocharging, Institute of Science and Technology Austria, 2026.
corr_author: '1'
date_created: 2026-08-12T09:44:40Z
date_published: 2026-08-12T00:00:00Z
date_updated: 2026-10-21T08:39:24Z
day: '12'
ddc:
- '530'
degree_awarded: PhD
department:
- _id: GradSch
- _id: ScWa
doi: 10.15479/AT-ISTA-22684
doi_confirm: '1'
ec_funded: 1
file:
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fulldoi: https://doi.org/10.15479/AT-ISTA-22684
has_accepted_license: '1'
language:
- iso: eng
month: '08'
oa: 1
oa_version: Published Version
page: '107'
project:
- _id: 0aa60e99-070f-11eb-9043-a6de6bdc3afa
  call_identifier: H2020
  grant_number: '949120'
  name: 'Tribocharge: a multi-scale approach to an enduring problem in physics'
publication_identifier:
  isbn:
  - 978-3-99078-083-1
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '20481'
    relation: part_of_dissertation
    status: public
  - id: '12109'
    relation: part_of_dissertation
    status: public
  - id: '19278'
    relation: part_of_dissertation
    status: public
  - id: '17373'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Scott R
  full_name: Waitukaitis, Scott R
  id: 3A1FFC16-F248-11E8-B48F-1D18A9856A87
  last_name: Waitukaitis
  orcid: 0000-0002-2299-3176
title: Experimental probing of nanoscale charge features and surface morphology changes
  during tribocharging
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '17437'
abstract:
- lang: eng
  text: We prove that the zero-fiber of the moment map of a totally negative quiver
    has rational singularities. Our proof consists in generalizing dimension bounds
    on jet spaces of this fiber, which were introduced by Budur. We also transfer
    the rational singularities property to other moduli spaces of objects in 2-Calabi-Yau
    categories, based on recent work of Davison. This has interesting arithmetic applications
    on quiver moment maps and moduli spaces of objects in 2-Calabi-Yau categories.
    First, we generalize results of Wyss on the asymptotic behaviour of counts of
    jets of quiver moment maps over finite fields. Moreover, we interpret the limit
    of counts of jets on a given moduli space as its p-adic volume under a canonical
    measure analogous to the measure built by Carocci, Orecchia and Wyss on certain
    moduli spaces of coherent sheaves.
acknowledgement: "I would like to warmly thank Dimitri Wyss for his guidance and supervision
  and Nero Budur for helpful discussions and answering all my questions on his previous
  works. I would also like to thank Francesca Carocci, Ben Davison, Lucien Hennecart
  and Olivier Schiffmann for helpful remarks and discussions during the writing of
  this paper. Finally, I would like to thank the anonymous referees for their careful
  reading and suggesting improvements in the exposition.\r\nOpen access funding provided
  by Institute of Science and Technology (IST Austria). This work was supported by
  the Swiss National Science Foundation [No. 196960]. This project has also received
  funding from the European Union’s Horizon 2020 research and innovation programme
  under the Marie Skłodowska-Curie Grant Agreement No. 101034413."
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Tanguy
  full_name: Vernet, Tanguy
  id: 19f1e3bf-c59a-11ee-a1af-ed269948817b
  last_name: Vernet
citation:
  ama: Vernet T. Rational singularities for moment maps of totally negative quivers.
    <i>Transformation Groups</i>. 2026;31:1047-1083. doi:<a href="https://doi.org/10.1007/s00031-024-09873-0">10.1007/s00031-024-09873-0</a>
  apa: Vernet, T. (2026). Rational singularities for moment maps of totally negative
    quivers. <i>Transformation Groups</i>. Springer Nature. <a href="https://doi.org/10.1007/s00031-024-09873-0">https://doi.org/10.1007/s00031-024-09873-0</a>
  chicago: Vernet, Tanguy. “Rational Singularities for Moment Maps of Totally Negative
    Quivers.” <i>Transformation Groups</i>. Springer Nature, 2026. <a href="https://doi.org/10.1007/s00031-024-09873-0">https://doi.org/10.1007/s00031-024-09873-0</a>.
  ieee: T. Vernet, “Rational singularities for moment maps of totally negative quivers,”
    <i>Transformation Groups</i>, vol. 31. Springer Nature, pp. 1047–1083, 2026.
  ista: Vernet T. 2026. Rational singularities for moment maps of totally negative
    quivers. Transformation Groups. 31, 1047–1083.
  mla: Vernet, Tanguy. “Rational Singularities for Moment Maps of Totally Negative
    Quivers.” <i>Transformation Groups</i>, vol. 31, Springer Nature, 2026, pp. 1047–83,
    doi:<a href="https://doi.org/10.1007/s00031-024-09873-0">10.1007/s00031-024-09873-0</a>.
  short: T. Vernet, Transformation Groups 31 (2026) 1047–1083.
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: Not applicable.
date_created: 2024-08-18T22:01:04Z
date_published: 2026-03-01T00:00:00Z
date_updated: 2026-10-21T10:55:21Z
day: '01'
ddc:
- '510'
department:
- _id: TaHa
doi: 10.1007/s00031-024-09873-0
ec_funded: 1
external_id:
  isi:
  - '001287455300001'
file:
- access_level: open_access
  checksum: 8985b4154b730284d3412ddc9e55d965
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  creator: dernst
  date_created: 2026-07-23T05:50:09Z
  date_updated: 2026-07-23T05:50:09Z
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  file_name: 2026_TransformationGroups_Vernet.pdf
  file_size: 912029
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  success: 1
file_date_updated: 2026-07-23T05:50:09Z
fulldoi: https://doi.org/10.1007/s00031-024-09873-0
has_accepted_license: '1'
intvolume: '        31'
isi: 1
language:
- iso: eng
mathsc:
- 14B05
- 14D23
- 14G20
- 16G20
month: '03'
oa: 1
oa_version: Published Version
page: 1047-1083
project:
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
  call_identifier: H2020
  grant_number: '101034413'
  name: 'IST-BRIDGE: International postdoctoral program'
publication: Transformation Groups
publication_identifier:
  eissn:
  - 1531-586X
  issn:
  - 1083-4362
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: not applicable
scopus_import: '1'
status: public
supplementarymaterial: no
title: Rational singularities for moment maps of totally negative quivers
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: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 31
year: '2026'
...
---
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '22247'
abstract:
- lang: eng
  text: "A linearly ordered (LO) k-colouring of a hypergraph is a colouring of its
    vertices with colours 1, …, k such that each edge contains a unique maximal colour.
    Deciding whether an input hypergraph admits LO k-colouring with a fixed number
    of colours is NP-complete (and in the special case of graphs, LO colouring coincides
    with the usual graph colouring).\r\nHere, we investigate the complexity of approximating
    the “linearly ordered chromatic number” of a hypergraph. We prove that the following
    promise problem is NP-complete: Given a 3-uniform hypergraph, distinguish between
    the case that it is LO 3-colourable, and the case that it is not even LO 4-colourable.
    We prove this result by a combination of algebraic, topological, and combinatorial
    methods, building on and extending a topological approach for studying approximate
    graph colouring introduced by Krokhin, Opršal, Wrochna, and Živný (2023)."
acknowledgement: "This research was supported by the Charles University project PRIMUS/21/SCI/014,
  by the Ministry of Education, Youth\r\nand Sports of the Czech Republic under the
  project MSCAfellow5_MUNI (CZ.02.01.01/00/22_010/0003229), and by the\r\nAustrian
  Science Fund (FWF project P31312-N35). This research was funded by UKRI EP/X024431/1
  and by a Clarendon\r\nFund Scholarship. This project has received funding from the
  European Union’s Horizon 2020 research and innovation\r\nprogramme under the Marie
  Skłodowska-Curie Grant Agreement No 101034413.\r\n"
article_number: '10'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Marek
  full_name: Filakovský, Marek
  id: 3E8AF77E-F248-11E8-B48F-1D18A9856A87
  last_name: Filakovský
- first_name: Tamio Vesa
  full_name: Nakajima, Tamio Vesa
  last_name: Nakajima
- first_name: Jakub
  full_name: Opršal, Jakub
  id: ec596741-c539-11ec-b829-c79322a91242
  last_name: Opršal
  orcid: 0000-0003-1245-3456
- first_name: Gianluca
  full_name: Tasinato, Gianluca
  id: 0433290C-AF8F-11E9-A4C7-F729E6697425
  last_name: Tasinato
- first_name: Uli
  full_name: Wagner, Uli
  id: 36690CA2-F248-11E8-B48F-1D18A9856A87
  last_name: Wagner
  orcid: 0000-0002-1494-0568
citation:
  ama: Filakovský M, Nakajima TV, Opršal J, Tasinato G, Wagner U. Hardness of linearly
    ordered 4-colouring of 3-colourable 3-uniform hypergraphs. <i>ACM Transactions
    on Computation Theory</i>. 2026;18(2). doi:<a href="https://doi.org/10.1145/3779121">10.1145/3779121</a>
  apa: Filakovský, M., Nakajima, T. V., Opršal, J., Tasinato, G., &#38; Wagner, U.
    (2026). Hardness of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs.
    <i>ACM Transactions on Computation Theory</i>. Association for Computing Machinery.
    <a href="https://doi.org/10.1145/3779121">https://doi.org/10.1145/3779121</a>
  chicago: Filakovský, Marek, Tamio Vesa Nakajima, Jakub Opršal, Gianluca Tasinato,
    and Uli Wagner. “Hardness of Linearly Ordered 4-Colouring of 3-Colourable 3-Uniform
    Hypergraphs.” <i>ACM Transactions on Computation Theory</i>. Association for Computing
    Machinery, 2026. <a href="https://doi.org/10.1145/3779121">https://doi.org/10.1145/3779121</a>.
  ieee: M. Filakovský, T. V. Nakajima, J. Opršal, G. Tasinato, and U. Wagner, “Hardness
    of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs,” <i>ACM
    Transactions on Computation Theory</i>, vol. 18, no. 2. Association for Computing
    Machinery, 2026.
  ista: Filakovský M, Nakajima TV, Opršal J, Tasinato G, Wagner U. 2026. Hardness
    of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs. ACM Transactions
    on Computation Theory. 18(2), 10.
  mla: Filakovský, Marek, et al. “Hardness of Linearly Ordered 4-Colouring of 3-Colourable
    3-Uniform Hypergraphs.” <i>ACM Transactions on Computation Theory</i>, vol. 18,
    no. 2, 10, Association for Computing Machinery, 2026, doi:<a href="https://doi.org/10.1145/3779121">10.1145/3779121</a>.
  short: M. Filakovský, T.V. Nakajima, J. Opršal, G. Tasinato, U. Wagner, ACM Transactions
    on Computation Theory 18 (2026).
corr_author: '1'
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day: '04'
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doi: 10.1145/3779121
ec_funded: 1
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intvolume: '        18'
issue: '2'
keyword:
- Constraint satisfaction problem
- hypergraph colouring
- promise problem
- topological methods
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month: '05'
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title: Hardness of linearly ordered 4-colouring of 3-colourable 3-uniform hypergraphs
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abstract:
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  text: "An eight-partition of a finite set of points (respectively, of a continuous
    mass distribution) in R^3\r\n consists of three planes that divide the space into
    8 octants, such that each open octant contains at most 1/8 of the points (respectively,
    of the mass). In 1966, Hadwiger showed that any mass distribution in R^3 admits
    an eight-partition; moreover, one can prescribe the normal direction of one of
    the three planes. The analogous result for finite point sets follows by a standard
    limit argument. We prove the following variant of this result: any mass distribution
    (or point set) in R^3 admits an eight-partition for which the intersection of
    two of the planes is a line with a prescribed direction. Moreover, we present
    an efficient algorithm for calculating an eight-partition of a set of n points
    in R^3 (with prescribed normal direction of one of the planes) in time O(n^7/3).
    A preliminary version of this work appeared in SoCG’24 (Aronov et al., 40th International
    Symposium on Computational Geometry, 2024)."
acknowledgement: Work by BA was supported by NSF grants CCF 15-40656 and CCF 20-08551,
  and by grant 2014/170 from the US-Israel Binational Science Foundation. Part of
  this research was conducted while BA was visiting ISTA in the summers of 2022 and
  2023. The visit of BA to ISTA in the summer of 2022 was supported by an ISTA Visiting
  Professorship. Research of BA also partially supported by ERC grant no. 882971,
  “GeoScape,” and by the Erdős Center. Work by AB was supported by Australian Research
  Council grant DP220102212. Work by IR was supported by a Tandon School of Engineering
  Fellowship and by NSF Grant CCF-20-08551. BA and AB would like to thank William
  Steiger for insightful initial discussions of the problems addressed in this work.
  Open Access funding enabled and organized by CAUL and its Member Institutions.
article_processing_charge: Yes (via OA deal)
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arxiv: 1
author:
- first_name: Boris
  full_name: Aronov, Boris
  last_name: Aronov
- first_name: Abdul
  full_name: Basit, Abdul
  last_name: Basit
- first_name: Indu
  full_name: Ramesh, Indu
  last_name: Ramesh
- first_name: Gianluca
  full_name: Tasinato, Gianluca
  id: 0433290C-AF8F-11E9-A4C7-F729E6697425
  last_name: Tasinato
- first_name: Uli
  full_name: Wagner, Uli
  id: 36690CA2-F248-11E8-B48F-1D18A9856A87
  last_name: Wagner
  orcid: 0000-0002-1494-0568
citation:
  ama: Aronov B, Basit A, Ramesh I, Tasinato G, Wagner U. Eight-partitioning points
    in 3D, and efficiently too. <i>Discrete &#38; Computational Geometry</i>. 2026;75:1331-1355.
    doi:<a href="https://doi.org/10.1007/s00454-025-00739-0">10.1007/s00454-025-00739-0</a>
  apa: Aronov, B., Basit, A., Ramesh, I., Tasinato, G., &#38; Wagner, U. (2026). Eight-partitioning
    points in 3D, and efficiently too. <i>Discrete &#38; Computational Geometry</i>.
    Springer Nature. <a href="https://doi.org/10.1007/s00454-025-00739-0">https://doi.org/10.1007/s00454-025-00739-0</a>
  chicago: Aronov, Boris, Abdul Basit, Indu Ramesh, Gianluca Tasinato, and Uli Wagner.
    “Eight-Partitioning Points in 3D, and Efficiently Too.” <i>Discrete &#38; Computational
    Geometry</i>. Springer Nature, 2026. <a href="https://doi.org/10.1007/s00454-025-00739-0">https://doi.org/10.1007/s00454-025-00739-0</a>.
  ieee: B. Aronov, A. Basit, I. Ramesh, G. Tasinato, and U. Wagner, “Eight-partitioning
    points in 3D, and efficiently too,” <i>Discrete &#38; Computational Geometry</i>,
    vol. 75. Springer Nature, pp. 1331–1355, 2026.
  ista: Aronov B, Basit A, Ramesh I, Tasinato G, Wagner U. 2026. Eight-partitioning
    points in 3D, and efficiently too. Discrete &#38; Computational Geometry. 75,
    1331–1355.
  mla: Aronov, Boris, et al. “Eight-Partitioning Points in 3D, and Efficiently Too.”
    <i>Discrete &#38; Computational Geometry</i>, vol. 75, Springer Nature, 2026,
    pp. 1331–55, doi:<a href="https://doi.org/10.1007/s00454-025-00739-0">10.1007/s00454-025-00739-0</a>.
  short: B. Aronov, A. Basit, I. Ramesh, G. Tasinato, U. Wagner, Discrete &#38; Computational
    Geometry 75 (2026) 1331–1355.
das_tickbox: '0'
date_created: 2025-06-22T22:02:07Z
date_published: 2026-06-01T00:00:00Z
date_updated: 2026-10-21T13:38:17Z
day: '01'
ddc:
- '500'
department:
- _id: UlWa
doi: 10.1007/s00454-025-00739-0
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supplementarymaterial: yes
title: Eight-partitioning points in 3D, and efficiently too
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  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 75
year: '2026'
...
---
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abstract:
- lang: eng
  text: Reactive oxygen species (ROS) have been implicated in multiple signaling processes
    in plants, but the underlying mechanisms and roles remain enigmatic. In this study,
    we developed a method of live imaging of apoplastic ROS at the root surface. Distinct
    signals, including auxin, extracellular adenosine triphosphate, and rapid alkalinization
    factor 1 peptide, induce cytosolic calcium transients and apoplastic ROS bursts.
    Genetic and optogenetic manipulations of Arabidopsis identified calcium transients
    as necessary and sufficient for ROS bursts through activation of reduced nicotinamide
    adenine dinucleotide phosphate (NADPH) oxidases RBOHC and RBOHF. Apoplastic ROS
    bursts are not required, but they do limit gravity-induced root bending. Root
    bending is sensed by the stretch-activated calcium channel MCA1, leading to NADPH
    oxidase activation. The resulting ROS production stiffens cell walls to facilitate
    soil penetration. Apoplastic ROS thus provides a means to balance tissue flexibility
    and stiffness to navigate soil.
acknowledged_ssus:
- _id: LifeSc
- _id: Bio
acknowledgement: "We gratefully acknowledge the Lab Support Facility (LSF) and the
  Imaging and Optics Facility (IOF) (both of ISTA) and the Hounsfield CT Facility
  (University of Nottingham) for support with imaging and the Growth Facility (IPMB)
  for plant cultivation. We thank M. Fendrych and his team for help with the microfluidics
  upgrades and J. Atkinson at the University of Nottingham MakerSpace for 3D printing
  of Arabidopsis mini-soil columns.\r\nThis project received funding from the European
  Research Council (ERC; 101142681 CYNIPS) and the Austrian Science Fund (FWF; P 37051-B).
  I.K. was cofunded by the European Union, Horizon Europe, project MOLIPEC, ID 101087030
  and CSF project 25-16449S. L.V. and B.K.P. acknowledge funding from UK Research
  and Innovation (UKRI) Frontiers Research (EP/Y036697/1). M.J.B. acknowledges funding
  from ERC SYNERGY (grant 101118769 HYDROSENSING). The study was partially supported
  by the Université Paris Cité, Idex ANR-18-IDEX-0001, funded by the French Government
  through its “Investments for the Future” program and also by the projects “Mecha-Nuc”
  ANR-20-CE13-0025-03 and “scEm-bryoMech” ANR-21-CE13-0046. P.D. acknowledges support
  by Human Frontier Science Program Organization grant 2022-RG107. P.V. acknowledges
  support provided by “Programme blanc” of the Graduate School BIOSPHERA, Université
  Paris-Saclay. Phytohormonal analysis was performed using the service laboratory
  funded by Toward Next GENeration Crops, reg. no. CZ.02.01.01/00/22_008/0004581 of
  the European Regional Development Fund (ERDF) program Johannes Amos Comenius. This
  research was funded in whole or in part by the Austrian Science Fund (P 37051-B)
  and UK Research and Innovation (EP/Y036697/1), cOAlition S organizations, and by
  the European Research Council (101142681 CYNIPS, 101118769 HYDROSENSING); as required,
  the author will make the Author Accepted Manuscript (AAM) version available under
  a CC BY public copyright license."
article_processing_charge: No
article_type: original
author:
- first_name: Ivan
  full_name: Kulich, Ivan
  id: 57a1567c-8314-11eb-9063-c9ddc3451a54
  last_name: Kulich
- first_name: Dmitrii
  full_name: Vladimirtsev, Dmitrii
  id: 60466724-5355-11ee-ae5a-fa55e8f99c3d
  last_name: Vladimirtsev
- first_name: Marek
  full_name: Randuch, Marek
  id: 6ac4636d-15b2-11ec-abd3-fb8df79972ae
  last_name: Randuch
- first_name: Shiqiang
  full_name: Gao, Shiqiang
  last_name: Gao
- first_name: Matteo
  full_name: Citterico, Matteo
  last_name: Citterico
- first_name: Kai R.
  full_name: Konrad, Kai R.
  last_name: Konrad
- first_name: Georg
  full_name: Nagel, Georg
  last_name: Nagel
- first_name: Michael
  full_name: Wrzaczek, Michael
  last_name: Wrzaczek
- first_name: Léa
  full_name: Cascaro, Léa
  last_name: Cascaro
- first_name: Pauline
  full_name: Vinet, Pauline
  last_name: Vinet
- first_name: Pauline
  full_name: Durand, Pauline
  last_name: Durand
- first_name: Atef
  full_name: Asnacios, Atef
  last_name: Asnacios
- first_name: Lokesh
  full_name: Verma, Lokesh
  last_name: Verma
- first_name: Malcolm J.
  full_name: Bennett, Malcolm J.
  last_name: Bennett
- first_name: Bipin K.
  full_name: Pandey, Bipin K.
  last_name: Pandey
- first_name: Jiří
  full_name: Friml, Jiří
  id: 4159519E-F248-11E8-B48F-1D18A9856A87
  last_name: Friml
  orcid: 0000-0002-8302-7596
citation:
  ama: Kulich I, Vladimirtsev D, Randuch M, et al. Calcium-triggered apoplastic ROS
    bursts balance gravity and mechanical signals for soil navigation. <i>Science</i>.
    2026;392(6795):296-300. doi:<a href="https://doi.org/10.1126/science.adu8197">10.1126/science.adu8197</a>
  apa: Kulich, I., Vladimirtsev, D., Randuch, M., Gao, S., Citterico, M., Konrad,
    K. R., … Friml, J. (2026). Calcium-triggered apoplastic ROS bursts balance gravity
    and mechanical signals for soil navigation. <i>Science</i>. AAAS. <a href="https://doi.org/10.1126/science.adu8197">https://doi.org/10.1126/science.adu8197</a>
  chicago: Kulich, Ivan, Dmitrii Vladimirtsev, Marek Randuch, Shiqiang Gao, Matteo
    Citterico, Kai R. Konrad, Georg Nagel, et al. “Calcium-Triggered Apoplastic ROS
    Bursts Balance Gravity and Mechanical Signals for Soil Navigation.” <i>Science</i>.
    AAAS, 2026. <a href="https://doi.org/10.1126/science.adu8197">https://doi.org/10.1126/science.adu8197</a>.
  ieee: I. Kulich <i>et al.</i>, “Calcium-triggered apoplastic ROS bursts balance
    gravity and mechanical signals for soil navigation,” <i>Science</i>, vol. 392,
    no. 6795. AAAS, pp. 296–300, 2026.
  ista: Kulich I, Vladimirtsev D, Randuch M, Gao S, Citterico M, Konrad KR, Nagel
    G, Wrzaczek M, Cascaro L, Vinet P, Durand P, Asnacios A, Verma L, Bennett MJ,
    Pandey BK, Friml J. 2026. Calcium-triggered apoplastic ROS bursts balance gravity
    and mechanical signals for soil navigation. Science. 392(6795), 296–300.
  mla: Kulich, Ivan, et al. “Calcium-Triggered Apoplastic ROS Bursts Balance Gravity
    and Mechanical Signals for Soil Navigation.” <i>Science</i>, vol. 392, no. 6795,
    AAAS, 2026, pp. 296–300, doi:<a href="https://doi.org/10.1126/science.adu8197">10.1126/science.adu8197</a>.
  short: I. Kulich, D. Vladimirtsev, M. Randuch, S. Gao, M. Citterico, K.R. Konrad,
    G. Nagel, M. Wrzaczek, L. Cascaro, P. Vinet, P. Durand, A. Asnacios, L. Verma,
    M.J. Bennett, B.K. Pandey, J. Friml, Science 392 (2026) 296–300.
corr_author: '1'
date_created: 2026-04-26T22:01:47Z
date_published: 2026-04-16T00:00:00Z
date_updated: 2026-10-22T09:15:44Z
day: '16'
ddc:
- '580'
department:
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- _id: GradSch
doi: 10.1126/science.adu8197
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project:
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  grant_number: '101142681'
  name: Cyclic nucleotides as second messengers in plants
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  name: Guanylate cyclase activity of TIR1/AFBs auxin receptors
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title: Calcium-triggered apoplastic ROS bursts balance gravity and mechanical signals
  for soil navigation
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 392
year: '2026'
...
---
OA_place: publisher
_id: '23145'
acknowledged_ssus:
- _id: LifeSc
- _id: M-Shop
- _id: CampIT
- _id: Bio
acknowledgement: "European Research Council (101142681 CYNIPS), Cyclic nucleotides
  as second messengers \r\nin plants, DOI: https://doi.org/10.3030/101142681 \r\nAustrian
  Science Fund (P 37051-B), Guanylate cyclase activity of TIR1/AFBs auxin receptors,
  \r\nDOI: https://doi.org/10.55776/P37051 "
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Marek
  full_name: Randuch, Marek
  id: 6ac4636d-15b2-11ec-abd3-fb8df79972ae
  last_name: Randuch
citation:
  ama: 'Randuch M. Fast growth responses in plants: Growth regulation and phospho-proteomic
    . 2026. doi:<a href="https://doi.org/10.15479/AT-ISTA-23145">10.15479/AT-ISTA-23145</a>'
  apa: 'Randuch, M. (2026). <i>Fast growth responses in plants: Growth regulation
    and phospho-proteomic </i>. Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/AT-ISTA-23145">https://doi.org/10.15479/AT-ISTA-23145</a>'
  chicago: 'Randuch, Marek. “Fast Growth Responses in Plants: Growth Regulation and
    Phospho-Proteomic .” Institute of Science and Technology Austria, 2026. <a href="https://doi.org/10.15479/AT-ISTA-23145">https://doi.org/10.15479/AT-ISTA-23145</a>.'
  ieee: 'M. Randuch, “Fast growth responses in plants: Growth regulation and phospho-proteomic
    ,” Institute of Science and Technology Austria, 2026.'
  ista: 'Randuch M. 2026. Fast growth responses in plants: Growth regulation and phospho-proteomic
    . Institute of Science and Technology Austria.'
  mla: 'Randuch, Marek. <i>Fast Growth Responses in Plants: Growth Regulation and
    Phospho-Proteomic </i>. Institute of Science and Technology Austria, 2026, doi:<a
    href="https://doi.org/10.15479/AT-ISTA-23145">10.15479/AT-ISTA-23145</a>.'
  short: 'M. Randuch, Fast Growth Responses in Plants: Growth Regulation and Phospho-Proteomic
    , Institute of Science and Technology Austria, 2026.'
corr_author: '1'
date_created: 2026-10-16T17:14:40Z
date_published: 2026-10-18T00:00:00Z
date_updated: 2026-10-22T09:15:44Z
day: '18'
ddc:
- '580'
degree_awarded: PhD
department:
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- _id: JiFr
doi: 10.15479/AT-ISTA-23145
doi_confirm: '1'
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  file_name: 2026_Marek_Randuch_Thesis.docx
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  content_type: application/pdf
  creator: mranduch
  date_created: 2026-10-20T09:17:20Z
  date_updated: 2026-10-20T11:48:37Z
  embargo: 2027-10-20
  embargo_to: open_access
  file_id: '23177'
  file_name: 2026_Marek_Randuch_Thesis.pdf
  file_size: 28321059
  relation: main_file
file_date_updated: 2026-10-20T11:48:37Z
fulldoi: https://doi.org/10.15479/AT-ISTA-23145
has_accepted_license: '1'
language:
- iso: eng
license: https://creativecommons.org/licenses/by-sa/4.0/
month: '10'
oa_version: Published Version
page: '289'
project:
- _id: 7bcece63-9f16-11ee-852c-ae94e099eeb6
  grant_number: P37051
  name: Guanylate cyclase activity of TIR1/AFBs auxin receptors
- _id: 8f347782-16d5-11f0-9cad-8c19706ee739
  grant_number: '101142681'
  name: Cyclic nucleotides as second messengers in plants
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '12291'
    relation: part_of_dissertation
    status: public
  - id: '21763'
    relation: part_of_dissertation
    status: public
  - id: '23175'
    relation: part_of_dissertation
    status: public
  - id: '23174'
    relation: part_of_dissertation
    status: public
  - id: '20656'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Jiří
  full_name: Friml, Jiří
  id: 4159519E-F248-11E8-B48F-1D18A9856A87
  last_name: Friml
  orcid: 0000-0002-8302-7596
title: 'Fast growth responses in plants: Growth regulation and phospho-proteomic '
tmp:
  image: /images/cc_by_sa.png
  legal_code_url: https://creativecommons.org/licenses/by-sa/4.0/legalcode
  name: Creative Commons Attribution-ShareAlike 4.0 International Public License (CC
    BY-SA 4.0)
  short: CC BY-SA (4.0)
type: dissertation
user_id: 8b945eb4-e2f2-11eb-945a-df72226e66a9
year: '2026'
...
---
OA_place: repository
OA_type: green
_id: '23175'
abstract:
- lang: eng
  text: Plants must continually balance growth with arrest, especially under stress.
    Auxin signaling acts as a central regulatory hub in this process, yet the mechanisms
    that dynamically tune early auxin signalling in real time remain unknown. Here,
    we used the light-gated, Ca2+-permeable Channelrhodopsin 2 variant XXM2.0 to optogenetically
    impose defined Ca2+ signatures on Arabidopsis root cells. Repetitive light activation
    triggered cytosolic Ca2+ signals that in turn suppressed auxin-induced membrane
    depolarization and Ca2+ transients. Moreover, prolonged optogenetic Ca2+ stimulation
    affects auxin-responsive transcriptional reprogramming. As phenotypic output,
    reversible inhibition of root growth by suppressing cell division and elongation
    was observed. We further identify a candidate CaM7–CNGC14 module that likely mediates
    Ca2+-dependent gating of early auxin signalling. Our study thus introduces a synthetic
    biology approach to decompose calcium–auxin crosstalk in plant cells, and demonstrates
    that optogenetically imposed cytosolic Ca2+ signals act as dynamic regulators
    of auxin susceptibility in roots.
acknowledgement: "We would like to thank Dirk Becker (University of Wuerzburg) for
  his help in making the optogenetic constructs and for his comments on the manuscript.
  We also appreciate Rob Roelfsema (University of Wuerzburg) for his feedback on the
  manuscript. We sincerely thank the anonymous reviewers for the thoughtful and inspiring
  suggestions that helped broaden the discussion and identify important future research
  directions. Funding\r\nNational Key R&D Program of China, 2025YFA0923400 (RH)\r\n\r\nNational
  Natural Science Foundation of China (NSFC), W2531024 (RH); 32271501(NL)\r\n\r\nNSFC-Excellent
  Young Scientists Fund Program (overseas) (SH)\r\n\r\nNSFC-RFIS, ZB2025101410702
  (RH)\r\n\r\nGuangdong Pearl River Talents Program, 2023ZT10N033\r\n\r\nChina Scholarship
  Council no. 202306510063 (HS)\r\n\r\nThe European Research Council grant 101142681
  CYNIPS (JF)\r\n\r\nAustrian Science Fund grant FWF; P 37051-B (JF)\r\n\r\nGerman
  Research Foundation grant CRC 1644 (512328399; 512328399) (KK, ZH)\r\n\r\nERC Synergy
  project STARMORPH, reg. no. 101166880 (AP, ON)"
article_processing_charge: No
author:
- first_name: Huifang
  full_name: Song, Huifang
  last_name: Song
- first_name: Angel
  full_name: Baudon, Angel
  last_name: Baudon
- first_name: Matthias
  full_name: Freund, Matthias
  last_name: Freund
- first_name: Marek
  full_name: Randuch, Marek
  id: 6ac4636d-15b2-11ec-abd3-fb8df79972ae
  last_name: Randuch
- first_name: Aleš
  full_name: Pěnčík, Aleš
  last_name: Pěnčík
- first_name: Novák
  full_name: Ondřej, Novák
  last_name: Ondřej
- first_name: Zhaohui
  full_name: He, Zhaohui
  last_name: He
- first_name: Kerstin
  full_name: Kaufmann, Kerstin
  last_name: Kaufmann
- first_name: 'Nan'
  full_name: Li, Nan
  last_name: Li
- first_name: Matthew
  full_name: Gilliham, Matthew
  last_name: Gilliham
- first_name: Jiří
  full_name: Friml, Jiří
  id: 4159519E-F248-11E8-B48F-1D18A9856A87
  last_name: Friml
  orcid: 0000-0002-8302-7596
- first_name: Rainer
  full_name: Hedrich, Rainer
  last_name: Hedrich
- first_name: Shouguang
  full_name: Huang, Shouguang
  last_name: Huang
biorxivid: 1
citation:
  ama: Song H, Baudon A, Freund M, et al. Ca2+ signature gates early auxin signaling
    in Arabidopsis roots. <i>bioRxiv</i>. doi:<a href="https://doi.org/10.1101/2025.10.04.680446">10.1101/2025.10.04.680446</a>
  apa: Song, H., Baudon, A., Freund, M., Randuch, M., Pěnčík, A., Ondřej, N., … Huang,
    S. (n.d.). Ca2+ signature gates early auxin signaling in Arabidopsis roots. <i>bioRxiv</i>.
    <a href="https://doi.org/10.1101/2025.10.04.680446">https://doi.org/10.1101/2025.10.04.680446</a>
  chicago: Song, Huifang, Angel Baudon, Matthias Freund, Marek Randuch, Aleš Pěnčík,
    Novák Ondřej, Zhaohui He, et al. “Ca2+ Signature Gates Early Auxin Signaling in
    Arabidopsis Roots.” <i>BioRxiv</i>, n.d. <a href="https://doi.org/10.1101/2025.10.04.680446">https://doi.org/10.1101/2025.10.04.680446</a>.
  ieee: H. Song <i>et al.</i>, “Ca2+ signature gates early auxin signaling in Arabidopsis
    roots,” <i>bioRxiv</i>. .
  ista: Song H, Baudon A, Freund M, Randuch M, Pěnčík A, Ondřej N, He Z, Kaufmann
    K, Li N, Gilliham M, Friml J, Hedrich R, Huang S. Ca2+ signature gates early auxin
    signaling in Arabidopsis roots. bioRxiv, <a href="https://doi.org/10.1101/2025.10.04.680446">10.1101/2025.10.04.680446</a>.
  mla: Song, Huifang, et al. “Ca2+ Signature Gates Early Auxin Signaling in Arabidopsis
    Roots.” <i>BioRxiv</i>, doi:<a href="https://doi.org/10.1101/2025.10.04.680446">10.1101/2025.10.04.680446</a>.
  short: H. Song, A. Baudon, M. Freund, M. Randuch, A. Pěnčík, N. Ondřej, Z. He, K.
    Kaufmann, N. Li, M. Gilliham, J. Friml, R. Hedrich, S. Huang, BioRxiv (n.d.).
corr_author: '1'
date_created: 2026-10-19T11:51:47Z
date_published: 2026-08-26T00:00:00Z
date_updated: 2026-10-22T09:15:44Z
day: '26'
department:
- _id: JiFr
doi: 10.1101/2025.10.04.680446
external_id:
  biorxivid:
  - 10.1101/2025.10.04.680446
fulldoi: https://doi.org/10.1101/2025.10.04.680446
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://doi.org/10.1101/2025.10.04.680446
month: '08'
oa: 1
oa_version: Preprint
project:
- _id: 8f347782-16d5-11f0-9cad-8c19706ee739
  grant_number: '101142681'
  name: Cyclic nucleotides as second messengers in plants
- _id: 7bcece63-9f16-11ee-852c-ae94e099eeb6
  grant_number: P37051
  name: Guanylate cyclase activity of TIR1/AFBs auxin receptors
publication: bioRxiv
publication_status: draft
related_material:
  record:
  - id: '23145'
    relation: dissertation_contains
    status: public
status: public
title: Ca2+ signature gates early auxin signaling in Arabidopsis roots
tmp:
  image: /images/cc_by_nc_nd.png
  legal_code_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode
  name: Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
    (CC BY-NC-ND 4.0)
  short: CC BY-NC-ND (4.0)
type: preprint
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2026'
...
---
OA_type: closed access
_id: '23197'
abstract:
- lang: eng
  text: We develop a quantum theory of light-matter interactions in 229Th nanophotonic
    resonators pumped via the optonuclear quadrupolar effect, predicting detectable
    photon fluxes with realistic platforms and revealing how collective dynamics shape
    the future nuclear clock performance.
alternative_title:
- Technical Digest Series
article_number: FTU1B.4
article_processing_charge: No
author:
- first_name: Karen
  full_name: Mamian, Karen
  id: d21e88e4-b0a3-11f1-8f28-b033c1af3b5a
  last_name: Mamian
- first_name: Jan
  full_name: De Haan, Jan
  last_name: De Haan
- first_name: Toby
  full_name: Bi, Toby
  last_name: Bi
- first_name: Swadheen
  full_name: Dubey, Swadheen
  last_name: Dubey
- first_name: Georgy A.
  full_name: Kazakov, Georgy A.
  last_name: Kazakov
- first_name: Kjeld
  full_name: Beeks, Kjeld
  last_name: Beeks
- first_name: Christoph
  full_name: Marquardt, Christoph
  last_name: Marquardt
- first_name: Sandro
  full_name: Kraemer, Sandro
  last_name: Kraemer
- first_name: Lino M.C.
  full_name: Pereira, Lino M.C.
  last_name: Pereira
- first_name: Pascal
  full_name: Del’Haye, Pascal
  last_name: Del’Haye
- first_name: Kasper
  full_name: Van Gasse, Kasper
  last_name: Van Gasse
- first_name: Thorsten
  full_name: Schumm, Thorsten
  last_name: Schumm
- first_name: Charles
  full_name: Roques-Carmes, Charles
  id: e2e68fc9-6505-11ef-a541-eb4e72cc3e82
  last_name: Roques-Carmes
citation:
  ama: 'Mamian K, De Haan J, Bi T, et al. Collective optonuclear cavity quantum electrodynamics
    in 229Th nanophotonic resonators. In: <i>CLEO Fundamental Science Proceedings</i>.
    Optica Publishing Group; 2026. doi:<a href="https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4">10.1364/CLEO_FS.2026.FTU1B.4</a>'
  apa: 'Mamian, K., De Haan, J., Bi, T., Dubey, S., Kazakov, G. A., Beeks, K., … Roques-Carmes,
    C. (2026). Collective optonuclear cavity quantum electrodynamics in 229Th nanophotonic
    resonators. In <i>CLEO Fundamental Science Proceedings</i>. Long Beach, CA, United
    States: Optica Publishing Group. <a href="https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4">https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4</a>'
  chicago: Mamian, Karen, Jan De Haan, Toby Bi, Swadheen Dubey, Georgy A. Kazakov,
    Kjeld Beeks, Christoph Marquardt, et al. “Collective Optonuclear Cavity Quantum
    Electrodynamics in 229Th Nanophotonic Resonators.” In <i>CLEO Fundamental Science
    Proceedings</i>. Optica Publishing Group, 2026. <a href="https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4">https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4</a>.
  ieee: K. Mamian <i>et al.</i>, “Collective optonuclear cavity quantum electrodynamics
    in 229Th nanophotonic resonators,” in <i>CLEO Fundamental Science Proceedings</i>,
    Long Beach, CA, United States, 2026.
  ista: 'Mamian K, De Haan J, Bi T, Dubey S, Kazakov GA, Beeks K, Marquardt C, Kraemer
    S, Pereira LMC, Del’Haye P, Van Gasse K, Schumm T, Roques-Carmes C. 2026. Collective
    optonuclear cavity quantum electrodynamics in 229Th nanophotonic resonators. CLEO
    Fundamental Science Proceedings. CLEO: Fundamental Science, Technical Digest Series,
    , FTU1B.4.'
  mla: Mamian, Karen, et al. “Collective Optonuclear Cavity Quantum Electrodynamics
    in 229Th Nanophotonic Resonators.” <i>CLEO Fundamental Science Proceedings</i>,
    FTU1B.4, Optica Publishing Group, 2026, doi:<a href="https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4">10.1364/CLEO_FS.2026.FTU1B.4</a>.
  short: K. Mamian, J. De Haan, T. Bi, S. Dubey, G.A. Kazakov, K. Beeks, C. Marquardt,
    S. Kraemer, L.M.C. Pereira, P. Del’Haye, K. Van Gasse, T. Schumm, C. Roques-Carmes,
    in:, CLEO Fundamental Science Proceedings, Optica Publishing Group, 2026.
conference:
  end_date: 2026-05-06
  location: Long Beach, CA, United States
  name: 'CLEO: Fundamental Science'
  start_date: 2026-05-02
corr_author: '1'
date_created: 2026-10-25T23:02:24Z
date_published: 2026-05-15T00:00:00Z
date_updated: 2026-10-27T10:53:59Z
day: '15'
department:
- _id: ChRo
doi: 10.1364/CLEO_FS.2026.FTU1B.4
fulldoi: https://doi.org/10.1364/CLEO_FS.2026.FTU1B.4
language:
- iso: eng
month: '05'
oa_version: None
publication: CLEO Fundamental Science Proceedings
publication_identifier:
  isbn:
  - '9781957171586'
publication_status: published
publisher: Optica Publishing Group
quality_controlled: '1'
scopus_import: '1'
status: public
title: Collective optonuclear cavity quantum electrodynamics in 229Th nanophotonic
  resonators
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21983'
abstract:
- lang: eng
  text: 'Promoters and enhancers are cis-regulatory elements (CREs), DNA sequences
    that bind transcription factor (TF) proteins to up- or down-regulate target genes.
    Decades-long efforts yielded TF-DNA interaction models that predict how strongly
    an individual TF binds arbitrary DNA sequences and how individual binding events
    on the CRE combine to affect gene expression. These insights can be synthesized
    into a global, biophysically realistic, and quantitative genotype–phenotype map
    for gene regulation, a ‘holy grail’ for the application of evolutionary theory.
    A global map provides a rare opportunity to simulate the long-term evolution of
    regulatory sequences and pose several fundamental questions: How long does it
    take to evolve CREs de novo? How many non-trivial regulatory functions exist in
    sequence space? How connected are they? For which regulatory architecture is CRE
    evolution most rapid and evolvable? In this article, the first of a two-part series,
    we briefly review the pertinent modeling and simulation efforts for a unique system
    that enables close, quantitative, and mechanistic links between biophysics, as
    well as systems, synthetic, and evolutionary biology.'
acknowledgement: "We thank Nick Barton and Noa Ottilie Borst for essential contributions
  to this manuscript.\r\nE.M. acknowledges support from the APART-USA fellowship,
  jointly funded by the Austrian Academy of Sciences (ÖAW) and the Institute of Science
  and Technology Austria (ISTA).\r\nThis study was supported by the European Molecular
  Biology Laboratory (J.C.); the European Molecular Biology Laboratory Interdisciplinary
  Postdoc Programme (EIPOD) under the Marie Skłodowska-Curie Actions cofund (S.H.A.)."
article_number: '102483'
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Elia
  full_name: Mascolo, Elia
  id: 776a6ed0-a053-11f0-8635-80b95e0e0d53
  last_name: Mascolo
  orcid: 0000-0003-2977-7844
- first_name: Reka E
  full_name: Körei, Reka E
  id: 50FDE43E-AA30-11E9-A72B-8A12E6697425
  last_name: Körei
- first_name: Santiago
  full_name: Herrera-Álvarez, Santiago
  last_name: Herrera-Álvarez
- first_name: Calin C
  full_name: Guet, Calin C
  id: 47F8433E-F248-11E8-B48F-1D18A9856A87
  last_name: Guet
  orcid: 0000-0001-6220-2052
- first_name: Justin
  full_name: Crocker, Justin
  last_name: Crocker
- first_name: Gašper
  full_name: Tkačik, Gašper
  id: 3D494DCA-F248-11E8-B48F-1D18A9856A87
  last_name: Tkačik
  orcid: 0000-0002-6699-1455
citation:
  ama: 'Mascolo E, Körei RE, Herrera-Álvarez S, Guet CC, Crocker J, Tkačik G. Long-term
    evolution of regulatory DNA sequences. Part 1: Simulations on global, biophysically-realistic
    genotype–phenotype maps. <i>Current Opinion in Genetics &#38; Development</i>.
    2026;99. doi:<a href="https://doi.org/10.1016/j.gde.2026.102483">10.1016/j.gde.2026.102483</a>'
  apa: 'Mascolo, E., Körei, R. E., Herrera-Álvarez, S., Guet, C. C., Crocker, J.,
    &#38; Tkačik, G. (2026). Long-term evolution of regulatory DNA sequences. Part
    1: Simulations on global, biophysically-realistic genotype–phenotype maps. <i>Current
    Opinion in Genetics &#38; Development</i>. Elsevier. <a href="https://doi.org/10.1016/j.gde.2026.102483">https://doi.org/10.1016/j.gde.2026.102483</a>'
  chicago: 'Mascolo, Elia, Reka E Körei, Santiago Herrera-Álvarez, Calin C Guet, Justin
    Crocker, and Gašper Tkačik. “Long-Term Evolution of Regulatory DNA Sequences.
    Part 1: Simulations on Global, Biophysically-Realistic Genotype–Phenotype Maps.”
    <i>Current Opinion in Genetics &#38; Development</i>. Elsevier, 2026. <a href="https://doi.org/10.1016/j.gde.2026.102483">https://doi.org/10.1016/j.gde.2026.102483</a>.'
  ieee: 'E. Mascolo, R. E. Körei, S. Herrera-Álvarez, C. C. Guet, J. Crocker, and
    G. Tkačik, “Long-term evolution of regulatory DNA sequences. Part 1: Simulations
    on global, biophysically-realistic genotype–phenotype maps,” <i>Current Opinion
    in Genetics &#38; Development</i>, vol. 99. Elsevier, 2026.'
  ista: 'Mascolo E, Körei RE, Herrera-Álvarez S, Guet CC, Crocker J, Tkačik G. 2026.
    Long-term evolution of regulatory DNA sequences. Part 1: Simulations on global,
    biophysically-realistic genotype–phenotype maps. Current Opinion in Genetics &#38;
    Development. 99, 102483.'
  mla: 'Mascolo, Elia, et al. “Long-Term Evolution of Regulatory DNA Sequences. Part
    1: Simulations on Global, Biophysically-Realistic Genotype–Phenotype Maps.” <i>Current
    Opinion in Genetics &#38; Development</i>, vol. 99, 102483, Elsevier, 2026, doi:<a
    href="https://doi.org/10.1016/j.gde.2026.102483">10.1016/j.gde.2026.102483</a>.'
  short: E. Mascolo, R.E. Körei, S. Herrera-Álvarez, C.C. Guet, J. Crocker, G. Tkačik,
    Current Opinion in Genetics &#38; Development 99 (2026).
corr_author: '1'
date_created: 2026-06-10T07:37:12Z
date_published: 2026-05-09T00:00:00Z
date_updated: 2026-10-27T13:12:27Z
day: '09'
ddc:
- '570'
department:
- _id: GradSch
- _id: CaGu
- _id: GaTk
doi: 10.1016/j.gde.2026.102483
external_id:
  arxiv:
  - '2601.19681'
fulldoi: https://doi.org/10.1016/j.gde.2026.102483
has_accepted_license: '1'
intvolume: '        99'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://doi.org/10.1016/j.gde.2026.102483
month: '05'
oa: 1
oa_version: Published Version
publication: Current Opinion in Genetics & Development
publication_identifier:
  eissn:
  - 1879-0380
  issn:
  - 0959-437X
publication_status: epub_ahead
publisher: Elsevier
quality_controlled: '1'
scopus_import: '1'
status: public
title: 'Long-term evolution of regulatory DNA sequences. Part 1: Simulations on global,
  biophysically-realistic genotype–phenotype maps'
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: 99
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '23198'
abstract:
- lang: eng
  text: Small RNAs (sRNAs) are widespread across diverse flowering plant species and
    play important roles regulating reproduction and environmental responses. However,
    how sRNAs exert their function is largely unknown, likely due to their typical
    origin in non-genic regions, the lack of distinct gene targets, and the sparse
    characterization of their associated Argonaute (AGO) effector proteins. Here we
    show that Arabidopsis male reproductive sRNAs associate with AGO4, 5, 6 and 9,
    all of which are enriched in meiocytes along with RNA Polymerase V (Pol V). This
    enables these sRNAs to methylate loci with imperfect sequence homology. AGO4,
    AGO6 and AGO9 predominantly load 24-nucleotide (nt) Pol IV-derived sRNAs and mediate
    DNA methylation in meiocytes in a dosage-dependent manner. Despite closer homology
    to microRNA-associated AGO1 and AGO10, AGO5 primarily binds CLSY3- and Pol IV-derived
    21-24 nt sRNAs. Transcriptomic and methylomic analyses of meiocytes from single
    and compound ago mutants demonstrate distinct yet complementary roles of AGO4/6/9
    and AGO5 in regulating protein-coding genes and silencing transposons in the germline.
    These molecular disruptions are accompanied by significant meiotic defects. Together,
    our findings reveal how AGO4/6/9-mediated DNA methylation and AGO5, likely acting
    through post-transcriptional gene silencing, work together to promote male germline
    development.
acknowledgement: We thank Michael J. Axtell for generously sharing ago4-4 ago6-2,
  ago6-2 ago9-1 double and ago4-4 ago6-2 ago9-1 triple mutants. We thank the John
  Innes Centre Bioimaging Facility and ISTA Imaging and Optics Facility for their
  assistance with the confocal microscopy, and the ISTA Scientific Computing Facility
  for high performance computing resources. This work was funded by a Marie Curie
  Postdoctoral Fellowship (101153710; C.Y.), a European Union’s Horizon 2020 research
  and innovation programme under the Marie Skłodowska-Curie grant agreement No 101034413
  (ISTA Bridge Fellowship) (S.X.), a DFG grant (FOR 5235 CSCS; A.S.), a European Research
  Council (ERC) Starting Grant (804981; X.F) and an ERC Consolidator Grant (101126201;
  C.Y. and XF).
article_number: '10758'
article_processing_charge: Yes
article_type: original
author:
- first_name: Jincheng
  full_name: Long, Jincheng
  last_name: Long
- first_name: Chao
  full_name: Yang, Chao
  id: 082e3e6e-8069-11ed-8390-c8cce7b1aaca
  last_name: Yang
- first_name: Shujuan
  full_name: Xu, Shujuan
  id: 9724dd9d-f591-11ee-bd51-e97ed0652286
  last_name: Xu
- first_name: Joke G
  full_name: De Jaeger-Braet, Joke G
  id: 26bd38d3-c59a-11ee-a1af-d7a988cafcc5
  last_name: De Jaeger-Braet
- first_name: Wenjing
  full_name: She, Wenjing
  last_name: She
- first_name: Seijiro
  full_name: Ono, Seijiro
  last_name: Ono
- first_name: James
  full_name: Walker, James
  last_name: Walker
- first_name: Ygor
  full_name: de Souza Vieira, Ygor
  id: af019b77-d2a9-11f1-9e65-c47a5932b764
  last_name: de Souza Vieira
- first_name: Arp
  full_name: Schnittger, Arp
  last_name: Schnittger
- first_name: Xiaoqi
  full_name: Feng, Xiaoqi
  id: e0164712-22ee-11ed-b12a-d80fcdf35958
  last_name: Feng
  orcid: 0000-0002-4008-1234
citation:
  ama: Long J, Yang C, Xu S, et al. Multiple Argonaute complexes orchestrate epigenetic
    silencing in the Arabidopsis germline. <i>Nature Communications</i>. 2026;17.
    doi:<a href="https://doi.org/10.1038/s41467-026-77326-1">10.1038/s41467-026-77326-1</a>
  apa: Long, J., Yang, C., Xu, S., De Jaeger-Braet, J. G., She, W., Ono, S., … Feng,
    X. (2026). Multiple Argonaute complexes orchestrate epigenetic silencing in the
    Arabidopsis germline. <i>Nature Communications</i>. Springer Nature. <a href="https://doi.org/10.1038/s41467-026-77326-1">https://doi.org/10.1038/s41467-026-77326-1</a>
  chicago: Long, Jincheng, Chao Yang, Shujuan Xu, Joke G De Jaeger-Braet, Wenjing
    She, Seijiro Ono, James Walker, Ygor de Souza Vieira, Arp Schnittger, and Xiaoqi
    Feng. “Multiple Argonaute Complexes Orchestrate Epigenetic Silencing in the Arabidopsis
    Germline.” <i>Nature Communications</i>. Springer Nature, 2026. <a href="https://doi.org/10.1038/s41467-026-77326-1">https://doi.org/10.1038/s41467-026-77326-1</a>.
  ieee: J. Long <i>et al.</i>, “Multiple Argonaute complexes orchestrate epigenetic
    silencing in the Arabidopsis germline,” <i>Nature Communications</i>, vol. 17.
    Springer Nature, 2026.
  ista: Long J, Yang C, Xu S, De Jaeger-Braet JG, She W, Ono S, Walker J, de Souza
    Vieira Y, Schnittger A, Feng X. 2026. Multiple Argonaute complexes orchestrate
    epigenetic silencing in the Arabidopsis germline. Nature Communications. 17, 10758.
  mla: Long, Jincheng, et al. “Multiple Argonaute Complexes Orchestrate Epigenetic
    Silencing in the Arabidopsis Germline.” <i>Nature Communications</i>, vol. 17,
    10758, Springer Nature, 2026, doi:<a href="https://doi.org/10.1038/s41467-026-77326-1">10.1038/s41467-026-77326-1</a>.
  short: J. Long, C. Yang, S. Xu, J.G. De Jaeger-Braet, W. She, S. Ono, J. Walker,
    Y. de Souza Vieira, A. Schnittger, X. Feng, Nature Communications 17 (2026).
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: Illumina sequencing data (RIP-seq, BS-seq, and RNA-seq)
  generated in this study have been deposited in the NCBI BioProject and are accessible
  under accession number PRJNA1192978. Published BS-seq data of Arabidopsis meiocyte
  used in this study for Fig. 4a are available in the NCBI GEO database under accession
  code GSE161625. All custom codes are available via the request to the corresponding
  author.
date_created: 2026-10-27T10:38:56Z
date_published: 2026-10-14T00:00:00Z
date_updated: 2026-10-28T08:43:20Z
day: '14'
ddc:
- '580'
department:
- _id: XiFe
doi: 10.1038/s41467-026-77326-1
ec_funded: 1
external_id:
  pmid:
  - '42869904'
file:
- access_level: open_access
  checksum: f24efcba89d880d48fef04b780923780
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  date_created: 2026-10-28T08:41:06Z
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fulldoi: https://doi.org/10.1038/s41467-026-77326-1
has_accepted_license: '1'
intvolume: '        17'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
pmid: 1
project:
- _id: 8e917275-16d5-11f0-9cad-fee255fa62e0
  grant_number: '101153710'
  name: The moleculaR mEchAnismS Of dNa methylatIon reprogrammiNg in Arabidopsis sexual
    lineaGe
- _id: fc2ed2f7-9c52-11eb-aca3-c01059dda49c
  call_identifier: H2020
  grant_number: '101034413'
  name: 'IST-BRIDGE: International postdoctoral program'
- _id: bdb51a6e-d553-11ed-ba76-c2025f3d5725
  call_identifier: H2020
  grant_number: '804981'
  name: Establishment, modulation and inheritance of sexual lineage specific DNA methylation
    in plants
- _id: 7c012eb8-9f16-11ee-852c-dc2b6371d5a0
  grant_number: '101126201'
  name: Mechanisms and biological functions of H3K27me3 reprogramming in plant microspores
publication: Nature Communications
publication_identifier:
  eissn:
  - 2041-1723
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Multiple Argonaute complexes orchestrate epigenetic silencing in the Arabidopsis
  germline
tmp:
  image: /images/cc_by.png
  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 17
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
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_id: '23200'
abstract:
- lang: eng
  text: "We investigate the low-ionization electron density in the interstellar medium
    (ISM) of galaxies across 0 < z < 8,\r\nderived with the [O II] λλ3727, 3730 and
    [S II] λλ6718, 6733 doublets, using both deep JWST/NIRCam/grism\r\nand NIRSpec/MSA
    spectroscopy. Along with ancillary density samples from the literature at 0 <
    z < 6, we\r\nassemble three samples containing a total of 703 galaxies spanning
    3.7 < z < 7.8 at 〈z〉 ∼ 5.6; 691 galaxies in the\r\nluminosity-complete NIRCam/grism
    programs CONGRESS and FRESCO at 〈z〉 ∼ 4.3 and ∼5.3, respectively;\r\nand 12 galaxies
    with high-resolution NIRSpec/MSA spectra from the GO 1871 and GLASS programs.
    We find\r\nmedian electron densities of ne[S II] = + 463 203 cm 281 3\r\nfor CONGRESS,
    ne[S II] = + 301 206 cm 388 3\r\nfor FRESCO, and\r\nne[O II] = + 202 102 cm 145
    3\r\nfor the NIRSpec/MSA sample. The median low-ionization ne increases from z
    = 0 to 4,\r\nin agreement with previous studies and those using JWST observations.
    However, beyond z ∼ 4 median ne begins\r\nto deviate from a monotonically increasing
    evolution with z. We find a positive, but shallow, correlation between\r\nO32
    (a proxy for the ionization parameter) and ne, while also confirming a positive
    correlation between O32 and z.\r\nWe suggest that these trends are possibly due
    to an evolving ISM gas density and ionization structure, and\r\npropose a toy
    model where the gas clumping evolves with z to explain the observed density and
    ionization\r\nvariations."
acknowledgement: "We are grateful for the support for programs GO 1871, GO 1895, and
  GO 3577 provided by NASA through a grant from the Space Telescope Science Institute,
  which is operated by the Association of Universities for Research in Astronomy,
  Inc., under NASA contract NAS 5-03127. This work is based in part on observations
  made with the NASA/ESA/CSA JWST. The data were obtained from the Mikulski Archive
  for Space Telescopes at the Space Telescope Science Institute, which is operated
  by the Association of Universities for Research in Astronomy, Inc., under NASA contract
  NAS 5-03127 for JWST. These observations are associated with programs GO 1324, GO
  1871, GO 1895 and GO 3577. The specific observations analyzed can be accessed via
  DOI: 10.17909/01dt-fm17.\r\n\r\nA.S.L. acknowledges support from Knut and Alice
  Wallenberg Foundation. T.A.H. acknowledges support from an appointment to the NASA
  Postdoctoral Program at the NASA Goddard Space, administered by Oak Ridge Associated
  Universities under contract with NASA, as well as the University of Maryland Baltimore
  County and the Center for Space Sciences and Technology. N.G.G. and Y.I.I. and acknowledge
  support from the joint Ukrainian-Swiss project No. 224866. This work has received
  funding from the Swiss State Secretariat for Education, Research, and Innovation
  (SERI) under contract number MB22.00072, as well as from the Swiss National Science
  Foundation (SNSF) through project grant 200020_207349. The Cosmic Dawn Center (DAWN)
  is funded by the Danish National Research Foundation under grant DNRF140.\r\n\r\nFacility:
  JWST (NIRCam - , NIRSpec).\r\n\r\nSoftware: numpy (v.1.24.3; C. R. Harris et al.
  2020), scipy (v.1.13.1; P. Virtanen et al. 2020), astropy (Astropy Collaboration
  et al. 2013, 2018, 2022), pyneb (v.1.1.24; V. Luridiana et al. 2013, 2015; C. Morisset
  et al. 2020), msaexp (v.0.8.4; G. B. Brammer 2022), msafit (A. de Graaff et al.
  2024), grizli (G. Brammer 2018), EAZY (G. B. Brammer et al. 2008), BAGPIPES (A.
  C. Carnall et al. 2018), Prospector (B. D. Johnson et al. 2019, 2021), pysersic
  (I. Pasha & T. B. Miller 2023), GALFIT (C. Y. Peng et al. 2002, 2010), kendall (S.
  R. Flury et al. 2022; S. R. Flury 2023)."
article_number: '184'
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Mabel G.
  full_name: Stephenson, Mabel G.
  last_name: Stephenson
- first_name: John
  full_name: Chisholm, John
  last_name: Chisholm
- first_name: A.
  full_name: Saldana-Lopez, A.
  last_name: Saldana-Lopez
- first_name: Jorryt J
  full_name: Matthee, Jorryt J
  id: 7439a258-f3c0-11ec-9501-9df22fe06720
  last_name: Matthee
  orcid: 0000-0003-2871-127X
- first_name: Alaina
  full_name: Henry, Alaina
  last_name: Henry
- first_name: Rohan P.
  full_name: Naidu, Rohan P.
  last_name: Naidu
- first_name: Sophia R.
  full_name: Flury, Sophia R.
  last_name: Flury
- first_name: Taylor A.
  full_name: Hutchison, Taylor A.
  last_name: Hutchison
- first_name: Steven L.
  full_name: Finkelstein, Steven L.
  last_name: Finkelstein
- first_name: Natalia G.
  full_name: Guseva, Natalia G.
  last_name: Guseva
- first_name: Yuri I.
  full_name: Izotov, Yuri I.
  last_name: Izotov
- first_name: Rui
  full_name: Marques-Chaves, Rui
  last_name: Marques-Chaves
- first_name: Pascal A.
  full_name: Oesch, Pascal A.
  last_name: Oesch
- first_name: Naveen A.
  full_name: Reddy, Naveen A.
  last_name: Reddy
- first_name: Daniel
  full_name: Schaerer, Daniel
  last_name: Schaerer
citation:
  ama: Stephenson MG, Chisholm J, Saldana-Lopez A, et al. The evolution of low-ionization
    electron densities in galaxies across cosmic epochs. <i>The Astrophysical Journal</i>.
    2026;1010(2). doi:<a href="https://doi.org/10.3847/1538-4357/ae9eb7">10.3847/1538-4357/ae9eb7</a>
  apa: Stephenson, M. G., Chisholm, J., Saldana-Lopez, A., Matthee, J. J., Henry,
    A., Naidu, R. P., … Schaerer, D. (2026). The evolution of low-ionization electron
    densities in galaxies across cosmic epochs. <i>The Astrophysical Journal</i>.
    IOP Publishing. <a href="https://doi.org/10.3847/1538-4357/ae9eb7">https://doi.org/10.3847/1538-4357/ae9eb7</a>
  chicago: Stephenson, Mabel G., John Chisholm, A. Saldana-Lopez, Jorryt J Matthee,
    Alaina Henry, Rohan P. Naidu, Sophia R. Flury, et al. “The Evolution of Low-Ionization
    Electron Densities in Galaxies across Cosmic Epochs.” <i>The Astrophysical Journal</i>.
    IOP Publishing, 2026. <a href="https://doi.org/10.3847/1538-4357/ae9eb7">https://doi.org/10.3847/1538-4357/ae9eb7</a>.
  ieee: M. G. Stephenson <i>et al.</i>, “The evolution of low-ionization electron
    densities in galaxies across cosmic epochs,” <i>The Astrophysical Journal</i>,
    vol. 1010, no. 2. IOP Publishing, 2026.
  ista: Stephenson MG, Chisholm J, Saldana-Lopez A, Matthee JJ, Henry A, Naidu RP,
    Flury SR, Hutchison TA, Finkelstein SL, Guseva NG, Izotov YI, Marques-Chaves R,
    Oesch PA, Reddy NA, Schaerer D. 2026. The evolution of low-ionization electron
    densities in galaxies across cosmic epochs. The Astrophysical Journal. 1010(2),
    184.
  mla: Stephenson, Mabel G., et al. “The Evolution of Low-Ionization Electron Densities
    in Galaxies across Cosmic Epochs.” <i>The Astrophysical Journal</i>, vol. 1010,
    no. 2, 184, IOP Publishing, 2026, doi:<a href="https://doi.org/10.3847/1538-4357/ae9eb7">10.3847/1538-4357/ae9eb7</a>.
  short: M.G. Stephenson, J. Chisholm, A. Saldana-Lopez, J.J. Matthee, A. Henry, R.P.
    Naidu, S.R. Flury, T.A. Hutchison, S.L. Finkelstein, N.G. Guseva, Y.I. Izotov,
    R. Marques-Chaves, P.A. Oesch, N.A. Reddy, D. Schaerer, The Astrophysical Journal
    1010 (2026).
das_tickbox: '0'
date_created: 2026-10-27T10:40:40Z
date_published: 2026-10-15T00:00:00Z
date_updated: 2026-10-28T08:05:42Z
day: '15'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.3847/1538-4357/ae9eb7
external_id:
  arxiv:
  - '2608.23846'
file:
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  date_updated: 2026-10-28T08:02:57Z
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  relation: main_file
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file_date_updated: 2026-10-28T08:02:57Z
fulldoi: https://doi.org/10.3847/1538-4357/ae9eb7
has_accepted_license: '1'
intvolume: '      1010'
issue: '2'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
publication: The Astrophysical Journal
publication_identifier:
  eissn:
  - 1538-4357
  issn:
  - 0004-637X
publication_status: published
publisher: IOP Publishing
quality_controlled: '1'
scopus_import: '1'
status: public
title: The evolution of low-ionization electron densities in galaxies across cosmic
  epochs
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: 1010
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '23199'
abstract:
- lang: eng
  text: The physics governing the morphology of radio-loud active galactic nucleus
    (AGN) jets is not fully understood. We investigate how magnetization, flickering
    jet power and the interplay between them affects the morphology of radio galaxies.
    We present a grid of relativistic magnetohydrodynamic simulations using the pluto
    code covering constant and variable jets with two levels of magnetization. We
    find that the constant high-magnetization jets can lead to highly asymmetrical
    cocoon morphologies, while the variable high-magnetization jet can exhibit a broken
    morphology, caused by a discontinuous jet beam. Our work highlights the importance
    of magnetization and variability on the stability and resulting morphology of
    radio-loud AGN jets, suggesting both are significant factors in addition to jet
    power or environment. Furthermore, we show that the interaction between magnetization
    and variability can lead to the development of localized kink instabilities along
    the jet beam. Finally, we discuss the effects of hydrodynamic mixing in low-magnetization
    jets and the role of viewing-angle dependence in comparisons between our simulations
    and observed sources. To facilitate this comparison we present a library of simulated
    radio images at different times in the simulations and from various viewing angles,
    which highlight a diverse set of complex morphologies.
acknowledgement: 'JHM and ELE acknowledge funding from a Royal Society University
  Research Fellowship (URF\R1\221062). AJC acknowledges support from the Oxford Hintze
  Centre for Astrophysical Surveys, which is funded through generous support from
  the Hintze Family Charitable Foundation. HW acknowledges funding by the Science
  and Technology Facilities Council Grant Number ST/W000903/1 and the ISTA-Fellow
  programme. The authors acknowledge the use of resources provided by the Isambard
  3 Tier-2 HPC Facility. Isambard 3 is hosted by the University of Bristol and operated
  by the GW4 Alliance (https://gw4.ac.uk) and is funded by UK Research and Innovation
  and the Engineering and Physical Sciences Research Council (EP/X039137/1). The authors
  would like to acknowledge the use of the University of Oxford Advanced Research
  Computing (ARC) facility in carrying out this work (https://doi.org/10.5281/zenodo.22558).
  We are grateful for the use of the following software packages: pluto (A. Mignone
  et al. 2007) and matplotlib (J. D. Hunter 2007). We are grateful to Dipanjan Mukherjee,
  Imogen Whittam, Matt Jarvis, Judith Croston and Fraser Cowie for useful discussions.
  The authors wish to thank the anonymous referee for their helpful and constructive
  comments which have improved the quality of this manuscript.'
article_number: stag1798
article_processing_charge: Yes
article_type: original
arxiv: 1
author:
- first_name: Emma L
  full_name: Elley, Emma L
  last_name: Elley
- first_name: James H
  full_name: Matthews, James H
  last_name: Matthews
- first_name: Henry William
  full_name: Whitehead, Henry William
  id: b5363ed7-0345-11f1-8029-eef7ff5d6bfc
  last_name: Whitehead
  orcid: 0009-0006-0716-0965
- first_name: Alex J
  full_name: Cooper, Alex J
  last_name: Cooper
citation:
  ama: Elley EL, Matthews JH, Whitehead HW, Cooper AJ. The impact of flickering variability
    and magnetization on the dynamics, stability, and morphology of radio-loud AGN
    jets. <i>Monthly Notices of the Royal Astronomical Society</i>. 2026;552(4). doi:<a
    href="https://doi.org/10.1093/mnras/stag1798">10.1093/mnras/stag1798</a>
  apa: Elley, E. L., Matthews, J. H., Whitehead, H. W., &#38; Cooper, A. J. (2026).
    The impact of flickering variability and magnetization on the dynamics, stability,
    and morphology of radio-loud AGN jets. <i>Monthly Notices of the Royal Astronomical
    Society</i>. Oxford University Press. <a href="https://doi.org/10.1093/mnras/stag1798">https://doi.org/10.1093/mnras/stag1798</a>
  chicago: Elley, Emma L, James H Matthews, Henry William Whitehead, and Alex J Cooper.
    “The Impact of Flickering Variability and Magnetization on the Dynamics, Stability,
    and Morphology of Radio-Loud AGN Jets.” <i>Monthly Notices of the Royal Astronomical
    Society</i>. Oxford University Press, 2026. <a href="https://doi.org/10.1093/mnras/stag1798">https://doi.org/10.1093/mnras/stag1798</a>.
  ieee: E. L. Elley, J. H. Matthews, H. W. Whitehead, and A. J. Cooper, “The impact
    of flickering variability and magnetization on the dynamics, stability, and morphology
    of radio-loud AGN jets,” <i>Monthly Notices of the Royal Astronomical Society</i>,
    vol. 552, no. 4. Oxford University Press, 2026.
  ista: Elley EL, Matthews JH, Whitehead HW, Cooper AJ. 2026. The impact of flickering
    variability and magnetization on the dynamics, stability, and morphology of radio-loud
    AGN jets. Monthly Notices of the Royal Astronomical Society. 552(4), stag1798.
  mla: Elley, Emma L., et al. “The Impact of Flickering Variability and Magnetization
    on the Dynamics, Stability, and Morphology of Radio-Loud AGN Jets.” <i>Monthly
    Notices of the Royal Astronomical Society</i>, vol. 552, no. 4, stag1798, Oxford
    University Press, 2026, doi:<a href="https://doi.org/10.1093/mnras/stag1798">10.1093/mnras/stag1798</a>.
  short: E.L. Elley, J.H. Matthews, H.W. Whitehead, A.J. Cooper, Monthly Notices of
    the Royal Astronomical Society 552 (2026).
das_tickbox: '1'
dataavailabilitystatement: The data underlying this article are available from the
  authors on reasonable request. Furthermore, the data for the simulated radio images
  from various angles as discussed in Section 2.3 are publicly available as FITS files
  from https://doi.org/10.5281/zenodo.20140021.
date_created: 2026-10-27T10:39:59Z
date_published: 2026-11-01T00:00:00Z
date_updated: 2026-10-28T08:19:37Z
day: '01'
ddc:
- '520'
department:
- _id: ZoHa
doi: 10.1093/mnras/stag1798
external_id:
  arxiv:
  - '2605.13469'
file:
- access_level: open_access
  checksum: 57e15f531d22d18eaeca96d58b2ab911
  content_type: application/pdf
  creator: dernst
  date_created: 2026-10-28T08:19:16Z
  date_updated: 2026-10-28T08:19:16Z
  file_id: '23203'
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file_date_updated: 2026-10-28T08:19:16Z
fulldoi: https://doi.org/10.1093/mnras/stag1798
has_accepted_license: '1'
intvolume: '       552'
issue: '4'
language:
- iso: eng
month: '11'
oa: 1
oa_version: Published Version
publication: Monthly Notices of the Royal Astronomical Society
publication_identifier:
  eissn:
  - 1365-2966
  issn:
  - 0035-8711
publication_status: published
publisher: Oxford University Press
quality_controlled: '1'
researchdata_availability: upon request
scopus_import: '1'
status: public
supplementarymaterial: yes
title: The impact of flickering variability and magnetization on the dynamics, stability,
  and morphology of radio-loud AGN jets
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: 552
year: '2026'
...
---
OA_type: closed access
_id: '23196'
abstract:
- lang: eng
  text: We introduce an experimental realization of the measurement, processing, and
    generation of partially coherent light on a photonic chip. This device relies
    on self-configuring networks optimized sequentially to learn the coherency matrix
    of input light.
alternative_title:
- Technical Digest Series
article_number: STU2F.1
article_processing_charge: No
author:
- first_name: Paul Alexis
  full_name: Mor, Paul Alexis
  last_name: Mor
- first_name: Annie R.
  full_name: Kroo, Annie R.
  last_name: Kroo
- first_name: Carson G.
  full_name: Valdez, Carson G.
  last_name: Valdez
- first_name: Marko
  full_name: Šimić, Marko
  last_name: Šimić
- first_name: Aviv
  full_name: Karnieli, Aviv
  last_name: Karnieli
- first_name: Gabriele
  full_name: Cavicchioli, Gabriele
  last_name: Cavicchioli
- first_name: Zhanghao
  full_name: Sun, Zhanghao
  last_name: Sun
- first_name: Vittorio
  full_name: Grimaldi, Vittorio
  last_name: Grimaldi
- first_name: Shanhui
  full_name: Fan, Shanhui
  last_name: Fan
- first_name: Olav
  full_name: Solgaard, Olav
  last_name: Solgaard
- first_name: David A.B.
  full_name: Miller, David A.B.
  last_name: Miller
- first_name: Charles
  full_name: Roques-Carmes, Charles
  id: e2e68fc9-6505-11ef-a541-eb4e72cc3e82
  last_name: Roques-Carmes
citation:
  ama: 'Mor PA, Kroo AR, Valdez CG, et al. Variational processing of partially coherent
    light in a photonic integrated circuit. In: <i>CLEO Science and Innovations Proceedings</i>.
    Optica Publishing Group; 2026. doi:<a href="https://doi.org/10.1364/CLEO_SI.2026.STU2F.1">10.1364/CLEO_SI.2026.STU2F.1</a>'
  apa: 'Mor, P. A., Kroo, A. R., Valdez, C. G., Šimić, M., Karnieli, A., Cavicchioli,
    G., … Roques-Carmes, C. (2026). Variational processing of partially coherent light
    in a photonic integrated circuit. In <i>CLEO Science and Innovations Proceedings</i>.
    Long Beach, CA, United States: Optica Publishing Group. <a href="https://doi.org/10.1364/CLEO_SI.2026.STU2F.1">https://doi.org/10.1364/CLEO_SI.2026.STU2F.1</a>'
  chicago: Mor, Paul Alexis, Annie R. Kroo, Carson G. Valdez, Marko Šimić, Aviv Karnieli,
    Gabriele Cavicchioli, Zhanghao Sun, et al. “Variational Processing of Partially
    Coherent Light in a Photonic Integrated Circuit.” In <i>CLEO Science and Innovations
    Proceedings</i>. Optica Publishing Group, 2026. <a href="https://doi.org/10.1364/CLEO_SI.2026.STU2F.1">https://doi.org/10.1364/CLEO_SI.2026.STU2F.1</a>.
  ieee: P. A. Mor <i>et al.</i>, “Variational processing of partially coherent light
    in a photonic integrated circuit,” in <i>CLEO Science and Innovations Proceedings</i>,
    Long Beach, CA, United States, 2026.
  ista: 'Mor PA, Kroo AR, Valdez CG, Šimić M, Karnieli A, Cavicchioli G, Sun Z, Grimaldi
    V, Fan S, Solgaard O, Miller DAB, Roques-Carmes C. 2026. Variational processing
    of partially coherent light in a photonic integrated circuit. CLEO Science and
    Innovations Proceedings. CLEO: Conference on Lasers and Electro-Optics, Technical
    Digest Series, , STU2F.1.'
  mla: Mor, Paul Alexis, et al. “Variational Processing of Partially Coherent Light
    in a Photonic Integrated Circuit.” <i>CLEO Science and Innovations Proceedings</i>,
    STU2F.1, Optica Publishing Group, 2026, doi:<a href="https://doi.org/10.1364/CLEO_SI.2026.STU2F.1">10.1364/CLEO_SI.2026.STU2F.1</a>.
  short: P.A. Mor, A.R. Kroo, C.G. Valdez, M. Šimić, A. Karnieli, G. Cavicchioli,
    Z. Sun, V. Grimaldi, S. Fan, O. Solgaard, D.A.B. Miller, C. Roques-Carmes, in:,
    CLEO Science and Innovations Proceedings, Optica Publishing Group, 2026.
conference:
  end_date: 2026-05-06
  location: Long Beach, CA, United States
  name: 'CLEO: Conference on Lasers and Electro-Optics'
  start_date: 2026-05-02
date_created: 2026-10-25T23:02:24Z
date_published: 2026-05-15T00:00:00Z
date_updated: 2026-10-28T07:57:55Z
day: '15'
department:
- _id: ChRo
doi: 10.1364/CLEO_SI.2026.STU2F.1
fulldoi: https://doi.org/10.1364/CLEO_SI.2026.STU2F.1
language:
- iso: eng
month: '05'
oa_version: None
publication: CLEO Science and Innovations Proceedings
publication_identifier:
  isbn:
  - '9781957171586'
publication_status: published
publisher: Optica Publishing Group
quality_controlled: '1'
scopus_import: '1'
status: public
title: Variational processing of partially coherent light in a photonic integrated
  circuit
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: diamond
PlanS_conform: '1'
_id: '23239'
abstract:
- lang: eng
  text: Highly magnified stars at cosmological distances (z ≳ 0.7) become detectable
    thanks to microlensing by intracluster stars near the critical curves of galaxy
    clusters. Multi-epoch photometric campaigns targeting caustic crossing galaxies
    magnified by massive galaxy clusters enable the detection of these objects as
    transient events. Such stars provide unique opportunities to study stellar populations
    at early cosmic times, probe the nature of dark matter, reveal small-scale structure
    in the cluster, and improve lens models. To date, only a few dozen high-redshift
    stars have been reported, with a single lensed galaxy, the Dragon, holding the
    current record of 44 detections. These numbers, however, remain insufficient to
    exploit their full potential. In this paper, owing to the inclusion of new observations,
    we report the identification of more than 100 magnified stellar events in the
    Dragon, behind the massive galaxy cluster Abell 370. The relatively low redshift
    of the Dragon (z ≈ 0.725) facilitates the detection of its most massive stars.
    Using imaging data from three different cycles (2022–2024) with the James Webb
    Space Telescope, we applied a time-domain technique to identify flux variations
    associated with caustic-crossing events. From the spatial distribution of stellar
    events, we constrained the high-end slope of the stellar luminosity function,
    finding β = 2.18−0.30+0.20. Alternatively, assuming a fixed slope, we constrained
    the microlens surface mass density. In addition, we examined the parity asymmetry
    of the detected caustic-crossing events, a proposed probe of wave dark matter,
    and found that it remains present in our fiducial lens model. We also used the
    events to trace the regions of highest magnification, offering an alternative
    way to map the system critical curves.
acknowledgement: "A catalogue containing the stellar transient candidates identified\r\nin
  this work is available at the CDS via https://cdsarc.cds.\r\nunistra.fr/viz-bin/cat/J/A+A/714/A22
  10.13039/501100011033/FEDER, UE. J.M.P. and J.M.D. acknowledge the support of projects
  PID2022-138896NB-C51 (MCIU/AEI/MINECO/FEDER, UE)\r\nMinisterio de Ciencia, Investigación
  y Universidades and SA101P24. A.V.F.\r\nacknowledges the support of many individual
  donors. A.Z. acknowledges support\r\nby the Israel Science Foundation Grant No.
  864/23. D.E. acknowledges support\r\nfrom projects PID2023-150178NB-I00 and PID2023-149578NB-I00,
  financed by\r\nMCIN/AEI/10.13039/501100011033, and by FEDER, EU. C.N.A.W. acknowledges
  funding from JWST/NIRCam contract to the University of Arizona\r\nNAS5-02105 S.K.L.
  acknowledge support from the Research Grants Council\r\n(RGC) of Hong Kong through
  the General Research Fund (GRF) 17312122.\r\nP.M. and T.J.B. are supported by the
  Spanish Grant PID2023-149016NB-I00\r\n(MINECO/AEI/FEDER,UE). PM also acknowledges
  financial support from fellowship PIF22/177 (UPV/EHU). E.Z. acknowledges project
  grant 2022-03804\r\nfrom the Swedish Research Council (Vetenskapsrådet). We made
  use of the\r\nfollowing software: Python, NumPy, SciPy, Matplotlib, Astropy, SExtractor,\r\nPhotutils,
  DAOFIND."
article_number: A22
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: José María
  full_name: Palencia, José María
  last_name: Palencia
- first_name: Fengwu
  full_name: Sun, Fengwu
  last_name: Sun
- first_name: José María
  full_name: Diego, José María
  last_name: Diego
- first_name: Yoshinobu
  full_name: Fudamoto, Yoshinobu
  last_name: Fudamoto
- first_name: Anton M.
  full_name: Koekemoer, Anton M.
  last_name: Koekemoer
- first_name: Christopher N.A.
  full_name: Willmer, Christopher N.A.
  last_name: Willmer
- first_name: Edoardo
  full_name: Iani, Edoardo
  id: 4053390a-6b68-11ef-9828-a3b8adef8d0a
  last_name: Iani
  orcid: 0000-0001-8386-3546
- first_name: Xiaojing
  full_name: Lin, Xiaojing
  last_name: Lin
- first_name: Justin D.R.
  full_name: Pierel, Justin D.R.
  last_name: Pierel
- first_name: Alfred
  full_name: Amruth, Alfred
  last_name: Amruth
- first_name: Franz E.
  full_name: Bauer, Franz E.
  last_name: Bauer
- first_name: Tom
  full_name: Broadhurst, Tom
  last_name: Broadhurst
- first_name: Wenlei
  full_name: Chen, Wenlei
  last_name: Chen
- first_name: Liang
  full_name: Dai, Liang
  last_name: Dai
- first_name: Daniel
  full_name: Espada, Daniel
  last_name: Espada
- first_name: Alexei V.
  full_name: Filippenko, Alexei V.
  last_name: Filippenko
- first_name: Seiji
  full_name: Fujimoto, Seiji
  last_name: Fujimoto
- first_name: Patrick L.
  full_name: Kelly, Patrick L.
  last_name: Kelly
- first_name: Mingyu
  full_name: Li, Mingyu
  last_name: Li
- first_name: Sung Kei
  full_name: Li, Sung Kei
  last_name: Li
- first_name: Ashish Kumar
  full_name: Meena, Ashish Kumar
  last_name: Meena
- first_name: Jordi
  full_name: Miralda-Escudé, Jordi
  last_name: Miralda-Escudé
- first_name: Paloma
  full_name: Morilla, Paloma
  last_name: Morilla
- first_name: Mitchell F.
  full_name: Struble, Mitchell F.
  last_name: Struble
- first_name: Hayley
  full_name: Williams, Hayley
  last_name: Williams
- first_name: Rogier A.
  full_name: Windhorst, Rogier A.
  last_name: Windhorst
- first_name: Erick
  full_name: Zackrison, Erick
  last_name: Zackrison
- first_name: Ruwen
  full_name: Zhou, Ruwen
  last_name: Zhou
- first_name: Adi
  full_name: Zitrin, Adi
  last_name: Zitrin
citation:
  ama: Palencia JM, Sun F, Diego JM, et al. The first statistical study of over 100
    magnified stellar events at a redshift z ≈ 0.725 with JWST. <i>Astronomy &#38;
    Astrophysics</i>. 2026;714. doi:<a href="https://doi.org/10.1051/0004-6361/202660640">10.1051/0004-6361/202660640</a>
  apa: Palencia, J. M., Sun, F., Diego, J. M., Fudamoto, Y., Koekemoer, A. M., Willmer,
    C. N. A., … Zitrin, A. (2026). The first statistical study of over 100 magnified
    stellar events at a redshift z ≈ 0.725 with JWST. <i>Astronomy &#38; Astrophysics</i>.
    EDP Sciences. <a href="https://doi.org/10.1051/0004-6361/202660640">https://doi.org/10.1051/0004-6361/202660640</a>
  chicago: Palencia, José María, Fengwu Sun, José María Diego, Yoshinobu Fudamoto,
    Anton M. Koekemoer, Christopher N.A. Willmer, Edoardo Iani, et al. “The First
    Statistical Study of over 100 Magnified Stellar Events at a Redshift z ≈ 0.725
    with JWST.” <i>Astronomy &#38; Astrophysics</i>. EDP Sciences, 2026. <a href="https://doi.org/10.1051/0004-6361/202660640">https://doi.org/10.1051/0004-6361/202660640</a>.
  ieee: J. M. Palencia <i>et al.</i>, “The first statistical study of over 100 magnified
    stellar events at a redshift z ≈ 0.725 with JWST,” <i>Astronomy &#38; Astrophysics</i>,
    vol. 714. EDP Sciences, 2026.
  ista: Palencia JM, Sun F, Diego JM, Fudamoto Y, Koekemoer AM, Willmer CNA, Iani
    E, Lin X, Pierel JDR, Amruth A, Bauer FE, Broadhurst T, Chen W, Dai L, Espada
    D, Filippenko AV, Fujimoto S, Kelly PL, Li M, Li SK, Meena AK, Miralda-Escudé
    J, Morilla P, Struble MF, Williams H, Windhorst RA, Zackrison E, Zhou R, Zitrin
    A. 2026. The first statistical study of over 100 magnified stellar events at a
    redshift z ≈ 0.725 with JWST. Astronomy &#38; Astrophysics. 714, A22.
  mla: Palencia, José María, et al. “The First Statistical Study of over 100 Magnified
    Stellar Events at a Redshift z ≈ 0.725 with JWST.” <i>Astronomy &#38; Astrophysics</i>,
    vol. 714, A22, EDP Sciences, 2026, doi:<a href="https://doi.org/10.1051/0004-6361/202660640">10.1051/0004-6361/202660640</a>.
  short: J.M. Palencia, F. Sun, J.M. Diego, Y. Fudamoto, A.M. Koekemoer, C.N.A. Willmer,
    E. Iani, X. Lin, J.D.R. Pierel, A. Amruth, F.E. Bauer, T. Broadhurst, W. Chen,
    L. Dai, D. Espada, A.V. Filippenko, S. Fujimoto, P.L. Kelly, M. Li, S.K. Li, A.K.
    Meena, J. Miralda-Escudé, P. Morilla, M.F. Struble, H. Williams, R.A. Windhorst,
    E. Zackrison, R. Zhou, A. Zitrin, Astronomy &#38; Astrophysics 714 (2026).
das_tickbox: '1'
dataavailabilitystatement: "A catalogue containing the stellar transient candidates
  identified\r\nin this work is available at the CDS via https://cdsarc.cds.\r\nunistra.fr/viz-bin/cat/J/A+A/714/A22"
date_created: 2026-11-08T23:01:58Z
date_published: 2026-10-01T00:00:00Z
date_updated: 2026-11-11T08:05:38Z
day: '01'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.1051/0004-6361/202660640
external_id:
  arxiv:
  - '2604.22702'
file:
- access_level: open_access
  checksum: d6e91f554a1b243dfd96ff88e9c20836
  content_type: application/pdf
  creator: dernst
  date_created: 2026-11-11T07:59:25Z
  date_updated: 2026-11-11T07:59:25Z
  file_id: '23251'
  file_name: 2026_AstronomyAstrophysics_Palencia.pdf
  file_size: 5956787
  relation: main_file
  success: 1
file_date_updated: 2026-11-11T07:59:25Z
fulldoi: https://doi.org/10.1051/0004-6361/202660640
has_accepted_license: '1'
intvolume: '       714'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
publication: Astronomy & Astrophysics
publication_identifier:
  eissn:
  - 1432-0746
  issn:
  - 0004-6361
publication_status: published
publisher: EDP Sciences
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: The first statistical study of over 100 magnified stellar events at a redshift
  z ≈ 0.725 with JWST
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: 714
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: diamond
PlanS_conform: '1'
_id: '23240'
abstract:
- lang: eng
  text: Little red dots (LRDs) are a class of sources discovered by the James Webb
    Space Telescope observationally defined by a V-shaped rest-frame UV-optical spectral
    energy distribution, a compact or unresolved morphology, and, frequently, broad
    hydrogen emission lines. How these characteristics translate into physical and
    structural properties remains unclear. Among various models, those involving a
    quasi-star interpret LRDs as an intermediate stage in the evolution of a super-massive
    black hole (SMBH) seed into a classic active galactic nucleus. In this paper,
    we employ the radiative-transfer code Cloudy to study whether this model is able
    to reproduce the spectral features commonly observed in LRDs. The model consists
    of an accreting SMBH (MBH ∼ 105-6 M⊙) surrounded by a convective layer where a
    black-body (BB) spectrum with T ∼ 5000 K and L ∼ 1044.4 erg s−1 is produced. This
    BB spectrum is then reprocessed by a concentric thick (∆R ∼ 1000 AU) shell of
    dense (nH ∼ 1011 cm−3) gas partially ionised by thermal collisions. The emerging
    radiation is further reprocessed by a diffuse clumpy medium surrounding the quasi-star.
    We fit this model to JWST/NIRSpec spectra of LRDs from the literature, deriving
    the main physical parameters and the SMBH masses. Once coupled with the UV emission
    from a host galaxy, this model is able to reproduce the shape of the UV-to-NIR
    continuum, including the presence of a Balmer break, as well as the luminosity
    of the hydrogen emission lines. However, this quasi-star model does not natively
    account for the presence of broad helium lines and for the possible presence of
    hot dust, needing additional components to match these observables. Our main result
    is to show how some LRDs can be modelled as quasi-stars, highlighting that a significant
    degeneracy exists among different LRD models. This has important consequences
    for our understanding of the mechanisms driving black hole growth in the early
    Universe.
acknowledgement: We thank the anonymous referee for the constructive report and for
  the comments that helped us improving the initial manuscript. We thank A. de Graaff
  and collaborators for publicly releasing their catalogue of LRDs. F.G. thanks Livia
  Vallini for the useful discussion about the Cloudy modelling and for the comments
  on an early version of the study. MG is very thankful for the support and kind hospitality
  of the CEA Paris-Saclay during sabbatical visits which led to substantial portions
  of this work being made. The data products presented herein were retrieved from
  the Dawn JWST Archive (DJA). DJA is an initiative of the Cosmic Dawn Center (DAWN),
  which is funded by the Danish National Research Foundation under grant DNRF140.
article_number: A463
article_processing_charge: No
article_type: original
arxiv: 1
author:
- first_name: F.
  full_name: Gentile, F.
  last_name: Gentile
- first_name: M.
  full_name: Giavalisco, M.
  last_name: Giavalisco
- first_name: E.
  full_name: Daddi, E.
  last_name: Daddi
- first_name: D.
  full_name: Elbaz, D.
  last_name: Elbaz
- first_name: J. B.
  full_name: Billand, J. B.
  last_name: Billand
- first_name: M.
  full_name: Franco, M.
  last_name: Franco
- first_name: B.
  full_name: Magnelli, B.
  last_name: Magnelli
- first_name: G.
  full_name: Barro, G.
  last_name: Barro
- first_name: Y.
  full_name: Cheng, Y.
  last_name: Cheng
- first_name: N. J.
  full_name: Cleri, N. J.
  last_name: Cleri
- first_name: K.
  full_name: Davis, K.
  last_name: Davis
- first_name: I.
  full_name: Delvecchio, I.
  last_name: Delvecchio
- first_name: M.
  full_name: Dickinson, M.
  last_name: Dickinson
- first_name: S. L.
  full_name: Finkelstein, S. L.
  last_name: Finkelstein
- first_name: G.
  full_name: Gandolfi, G.
  last_name: Gandolfi
- first_name: M.
  full_name: Hirschmann, M.
  last_name: Hirschmann
- first_name: W.
  full_name: Hu, W.
  last_name: Hu
- first_name: J. S.
  full_name: Kartaltepe, J. S.
  last_name: Kartaltepe
- first_name: D.
  full_name: Kocevski, D.
  last_name: Kocevski
- first_name: A. M.
  full_name: Koekemoer, A. M.
  last_name: Koekemoer
- first_name: R. A.
  full_name: Lucas, R. A.
  last_name: Lucas
- first_name: Sara
  full_name: Mascia, Sara
  id: edaf889c-c7cd-11ef-ab1b-bb28c431bd29
  last_name: Mascia
- first_name: L.
  full_name: Napolitano, L.
  last_name: Napolitano
- first_name: C.
  full_name: Papovich, C.
  last_name: Papovich
- first_name: B.
  full_name: Pérez-Díaz, B.
  last_name: Pérez-Díaz
- first_name: P.
  full_name: Perez-Gonzalez, P.
  last_name: Perez-Gonzalez
- first_name: J. R.
  full_name: Trump, J. R.
  last_name: Trump
- first_name: X.
  full_name: Wang, X.
  last_name: Wang
- first_name: L. Y.Aaron
  full_name: Yung, L. Y.Aaron
  last_name: Yung
citation:
  ama: 'Gentile F, Giavalisco M, Daddi E, et al. The quasi-star model for little red
    dots: Potential and challenges. <i>Astronomy &#38; Astrophysics</i>. 2026;714.
    doi:<a href="https://doi.org/10.1051/0004-6361/202661289">10.1051/0004-6361/202661289</a>'
  apa: 'Gentile, F., Giavalisco, M., Daddi, E., Elbaz, D., Billand, J. B., Franco,
    M., … Yung, L. Y. A. (2026). The quasi-star model for little red dots: Potential
    and challenges. <i>Astronomy &#38; Astrophysics</i>. EDP Sciences. <a href="https://doi.org/10.1051/0004-6361/202661289">https://doi.org/10.1051/0004-6361/202661289</a>'
  chicago: 'Gentile, F., M. Giavalisco, E. Daddi, D. Elbaz, J. B. Billand, M. Franco,
    B. Magnelli, et al. “The Quasi-Star Model for Little Red Dots: Potential and Challenges.”
    <i>Astronomy &#38; Astrophysics</i>. EDP Sciences, 2026. <a href="https://doi.org/10.1051/0004-6361/202661289">https://doi.org/10.1051/0004-6361/202661289</a>.'
  ieee: 'F. Gentile <i>et al.</i>, “The quasi-star model for little red dots: Potential
    and challenges,” <i>Astronomy &#38; Astrophysics</i>, vol. 714. EDP Sciences,
    2026.'
  ista: 'Gentile F, Giavalisco M, Daddi E, Elbaz D, Billand JB, Franco M, Magnelli
    B, Barro G, Cheng Y, Cleri NJ, Davis K, Delvecchio I, Dickinson M, Finkelstein
    SL, Gandolfi G, Hirschmann M, Hu W, Kartaltepe JS, Kocevski D, Koekemoer AM, Lucas
    RA, Mascia S, Napolitano L, Papovich C, Pérez-Díaz B, Perez-Gonzalez P, Trump
    JR, Wang X, Yung LYA. 2026. The quasi-star model for little red dots: Potential
    and challenges. Astronomy &#38; Astrophysics. 714, A463.'
  mla: 'Gentile, F., et al. “The Quasi-Star Model for Little Red Dots: Potential and
    Challenges.” <i>Astronomy &#38; Astrophysics</i>, vol. 714, A463, EDP Sciences,
    2026, doi:<a href="https://doi.org/10.1051/0004-6361/202661289">10.1051/0004-6361/202661289</a>.'
  short: F. Gentile, M. Giavalisco, E. Daddi, D. Elbaz, J.B. Billand, M. Franco, B.
    Magnelli, G. Barro, Y. Cheng, N.J. Cleri, K. Davis, I. Delvecchio, M. Dickinson,
    S.L. Finkelstein, G. Gandolfi, M. Hirschmann, W. Hu, J.S. Kartaltepe, D. Kocevski,
    A.M. Koekemoer, R.A. Lucas, S. Mascia, L. Napolitano, C. Papovich, B. Pérez-Díaz,
    P. Perez-Gonzalez, J.R. Trump, X. Wang, L.Y.A. Yung, Astronomy &#38; Astrophysics
    714 (2026).
das_tickbox: '1'
dataavailabilitystatement: The catalogue of the inferred parameters for the LRDs analysed
  in this work is available at the CDS via https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+A/714/A463.
  A description of the columns can be found in Appendix A.
date_created: 2026-11-08T23:01:58Z
date_published: 2026-10-01T00:00:00Z
date_updated: 2026-11-11T08:14:15Z
day: '01'
ddc:
- '520'
department:
- _id: JoMa
doi: 10.1051/0004-6361/202661289
external_id:
  arxiv:
  - '2606.06575'
file:
- access_level: open_access
  checksum: 339aee2a564a57468c8acd47766c4da8
  content_type: application/pdf
  creator: dernst
  date_created: 2026-11-11T08:12:04Z
  date_updated: 2026-11-11T08:12:04Z
  file_id: '23252'
  file_name: 2026_AstronomyAstrophysics_Gentile.pdf
  file_size: 5196847
  relation: main_file
  success: 1
file_date_updated: 2026-11-11T08:12:04Z
fulldoi: https://doi.org/10.1051/0004-6361/202661289
has_accepted_license: '1'
intvolume: '       714'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
publication: Astronomy & Astrophysics
publication_identifier:
  eissn:
  - 1432-0746
  issn:
  - 0004-6361
publication_status: published
publisher: EDP Sciences
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: 'The quasi-star model for little red dots: Potential and challenges'
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: 714
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '23241'
abstract:
- lang: eng
  text: While partial coherence often degrades interference and information transfer,
    its correlations can be engineered to enhance imaging and optical information
    processing. However, approaches based on tomography and numerical reconstruction
    do not physically separate unknown fields into their coherence modes—that is,
    their orthogonal and mutually incoherent components. Here we demonstrate the separation
    of partially coherent light into coherence modes. We use variational processing
    in layered self-configuring interferometers on a silicon photonic circuit. This
    process finds the eigenvectors and eigenvalues of the coherency matrix, characterizing
    the state while leaving it intact and separated after optimization. We show that
    spatially orthogonal, mutually incoherent beams can be routed to separate outputs
    even when their intensity profiles overlap. Our experiment separates the two strongest
    coherence modes from a nine-input sampling of overlapping fields from two independent
    lasers; operation beyond two modes is verified in a rank-3 experiment. The number
    of physical components scales linearly with the rank r of the coherency matrix,
    through r in situ gradient-based optimizations enabled by electronic drive-frequency
    multiplexing of the phase shifters. We benchmark performance against an on-chip
    mixture-based tomographic method. These results establish a scalable framework
    for programmable coherence analysis and control.
acknowledgement: We thank C. Spägele, F. Jeřábek, F. Zanetto, A. di Tria, F. Morichetti,
  A. Melloni and M. Sampietro for useful discussions.M.Š. acknowledges financial support
  from the Austrian Federal Ministry of Labour and Economy; the National Foundation
  for Research, Technology and Development; the Christian Doppler Research Association;
  and the University of Graz. S.F. acknowledges funding from the Air Force Office
  of Scientific Research (FA9550-21-1-0312). D.A.B.M. acknowledges funding from the
  Air Force Office of Scientific Research (FA9550-21-1-0312, FA9550-23-1-0307). C.R.C.
  is supported by a Stanford Science Fellowship and acknowledges startup funding from
  the Institute of Science and Technology, Austria. Open access funding provided by
  Institute of Science and Technology, Austria (ISTA).
article_processing_charge: Yes (via OA deal)
article_type: original
author:
- first_name: Paul-Alexis
  full_name: Mor, Paul-Alexis
  id: a7383530-dda8-11f1-a30c-d70be69e1e25
  last_name: Mor
- first_name: Anne R.
  full_name: Kroo, Anne R.
  last_name: Kroo
- first_name: Carson G.
  full_name: Valdez, Carson G.
  last_name: Valdez
- first_name: Marko
  full_name: Šimić, Marko
  last_name: Šimić
- first_name: Aviv
  full_name: Karnieli, Aviv
  last_name: Karnieli
- first_name: Gabriele
  full_name: Cavicchioli, Gabriele
  last_name: Cavicchioli
- first_name: Zhanghao
  full_name: Sun, Zhanghao
  last_name: Sun
- first_name: Vittorio
  full_name: Grimaldi, Vittorio
  last_name: Grimaldi
- first_name: Shanhui
  full_name: Fan, Shanhui
  last_name: Fan
- first_name: Olav
  full_name: Solgaard, Olav
  last_name: Solgaard
- first_name: David A.B.
  full_name: Miller, David A.B.
  last_name: Miller
- first_name: Charles
  full_name: Roques-Carmes, Charles
  id: e2e68fc9-6505-11ef-a541-eb4e72cc3e82
  last_name: Roques-Carmes
citation:
  ama: Mor P-A, Kroo AR, Valdez CG, et al. Automatic on-chip separation of partially
    coherent light into its mutually incoherent components. <i>Nature Photonics</i>.
    2026. doi:<a href="https://doi.org/10.1038/s41566-026-02035-6">10.1038/s41566-026-02035-6</a>
  apa: Mor, P.-A., Kroo, A. R., Valdez, C. G., Šimić, M., Karnieli, A., Cavicchioli,
    G., … Roques-Carmes, C. (2026). Automatic on-chip separation of partially coherent
    light into its mutually incoherent components. <i>Nature Photonics</i>. Springer
    Nature. <a href="https://doi.org/10.1038/s41566-026-02035-6">https://doi.org/10.1038/s41566-026-02035-6</a>
  chicago: Mor, Paul-Alexis, Anne R. Kroo, Carson G. Valdez, Marko Šimić, Aviv Karnieli,
    Gabriele Cavicchioli, Zhanghao Sun, et al. “Automatic On-Chip Separation of Partially
    Coherent Light into Its Mutually Incoherent Components.” <i>Nature Photonics</i>.
    Springer Nature, 2026. <a href="https://doi.org/10.1038/s41566-026-02035-6">https://doi.org/10.1038/s41566-026-02035-6</a>.
  ieee: P.-A. Mor <i>et al.</i>, “Automatic on-chip separation of partially coherent
    light into its mutually incoherent components,” <i>Nature Photonics</i>. Springer
    Nature, 2026.
  ista: Mor P-A, Kroo AR, Valdez CG, Šimić M, Karnieli A, Cavicchioli G, Sun Z, Grimaldi
    V, Fan S, Solgaard O, Miller DAB, Roques-Carmes C. 2026. Automatic on-chip separation
    of partially coherent light into its mutually incoherent components. Nature Photonics.
  mla: Mor, Paul-Alexis, et al. “Automatic On-Chip Separation of Partially Coherent
    Light into Its Mutually Incoherent Components.” <i>Nature Photonics</i>, Springer
    Nature, 2026, doi:<a href="https://doi.org/10.1038/s41566-026-02035-6">10.1038/s41566-026-02035-6</a>.
  short: P.-A. Mor, A.R. Kroo, C.G. Valdez, M. Šimić, A. Karnieli, G. Cavicchioli,
    Z. Sun, V. Grimaldi, S. Fan, O. Solgaard, D.A.B. Miller, C. Roques-Carmes, Nature
    Photonics (2026).
corr_author: '1'
das_tickbox: '1'
dataavailabilitystatement: The data that support the plots within this Article and
  other findings of this study are available via Zenodo at https://doi.org/10.5281/zenodo.22797085
  (ref. 59).
date_created: 2026-11-08T23:01:58Z
date_published: 2026-10-30T00:00:00Z
date_updated: 2026-11-11T08:32:21Z
day: '30'
ddc:
- '530'
department:
- _id: ChRo
doi: 10.1038/s41566-026-02035-6
file:
- access_level: open_access
  checksum: 57eb110a8538c7c1a0a592aebf551092
  content_type: application/pdf
  creator: dernst
  date_created: 2026-11-11T08:30:09Z
  date_updated: 2026-11-11T08:30:09Z
  file_id: '23253'
  file_name: 2026_NaturePhotonics_Mor.pdf
  file_size: 2228788
  relation: main_file
  success: 1
file_date_updated: 2026-11-11T08:30:09Z
fulldoi: https://doi.org/10.1038/s41566-026-02035-6
has_accepted_license: '1'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
publication: Nature Photonics
publication_identifier:
  eissn:
  - 1749-4893
  issn:
  - 1749-4885
publication_status: epub_ahead
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Automatic on-chip separation of partially coherent light into its mutually
  incoherent components
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
year: '2026'
...
---
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '23242'
abstract:
- lang: eng
  text: 'Nanofluidic memristors promise brain-inspired information processing with
    ions, yet their microscopic origin remains debated. So far, ionic memory has been
    attributed to ion-specific interactions, dynamic wetting, chemical reactions or
    mechanical deformations, yet typically without direct experimental evidence. Here,
    by combining operando interferometric imaging with electrokinetic measurements,
    we directly visualize voltage-induced blistering of the confining walls of two-dimensional
    (2D) nanochannels as the key origin of memristive hysteresis. We identify two
    distinct classes of blisters: unidirectional, driven by electrostatic forces on
    surface charges, and bidirectional, arising from osmotic pressure due to concentration
    polarization. This mechanistic framework explains device evolution and device-to-device
    variability, and reframes stochastic blistering as a functional design element.
    Our results constitute a direct proof of electromechanical coupling as a robust
    pathway to ionic memory in 2D nanochannels and open routes towards high-performance
    ionic memristors and electrically actuated nanofluidic valves.'
acknowledgement: We acknowledge funding from the European Research Council (grants
  101020445—2D-LIQUID to N.R. and A.R.), the Swiss National Science Foundation (grant
  TMPFP2-217134 to T.E.) and Swiss Government Excellence Scholarship to A.D.P.; B.R.
  acknowledges funding from the Royal Society University Research Fellowship renewal
  URF\R\231008, Philip Leverhulme Prize PLP-2021-262, European Union’s H2020 Framework
  Programme ERC Grants (852674, AngstroCAP, and 101232407, ANGEL). B.R. and A.K. acknowledge
  EPSRC strategic equipment grant EP/W006502/1. A.K. acknowledges Royal Society International
  Exchanges grant IES\R3\243222. B.C. acknowledges support from the CFM Foundation
  and the NOMIS Foundation. N.R. acknowledges support from an EMBO fellowship (ALTF1237-2024).
  Open access funding provided by EPFL Lausanne.
article_processing_charge: Yes (via OA deal)
article_type: original
arxiv: 1
author:
- first_name: Kalluvadi Veetil
  full_name: Saurav, Kalluvadi Veetil
  last_name: Saurav
- first_name: Nathan
  full_name: Ronceray, Nathan
  last_name: Ronceray
- first_name: Baptiste
  full_name: Coquinot, Baptiste
  id: f8417bd4-f599-11ee-a482-b927e3ed1e8e
  last_name: Coquinot
  orcid: 0000-0001-5524-596X
- first_name: Agustin D.
  full_name: Pizarro, Agustin D.
  last_name: Pizarro
- first_name: Ashok
  full_name: Keerthi, Ashok
  last_name: Keerthi
- first_name: Theo
  full_name: Emmerich, Theo
  last_name: Emmerich
- first_name: Aleksandra
  full_name: Radenovic, Aleksandra
  last_name: Radenovic
- first_name: Boya
  full_name: Radha, Boya
  last_name: Radha
citation:
  ama: Saurav KV, Ronceray N, Coquinot B, et al. Direct imaging elucidates ionic memory
    in two-dimensional nanochannels. <i>Nature Materials</i>. 2026. doi:<a href="https://doi.org/10.1038/s41563-026-02775-4">10.1038/s41563-026-02775-4</a>
  apa: Saurav, K. V., Ronceray, N., Coquinot, B., Pizarro, A. D., Keerthi, A., Emmerich,
    T., … Radha, B. (2026). Direct imaging elucidates ionic memory in two-dimensional
    nanochannels. <i>Nature Materials</i>. Springer Nature. <a href="https://doi.org/10.1038/s41563-026-02775-4">https://doi.org/10.1038/s41563-026-02775-4</a>
  chicago: Saurav, Kalluvadi Veetil, Nathan Ronceray, Baptiste Coquinot, Agustin D.
    Pizarro, Ashok Keerthi, Theo Emmerich, Aleksandra Radenovic, and Boya Radha. “Direct
    Imaging Elucidates Ionic Memory in Two-Dimensional Nanochannels.” <i>Nature Materials</i>.
    Springer Nature, 2026. <a href="https://doi.org/10.1038/s41563-026-02775-4">https://doi.org/10.1038/s41563-026-02775-4</a>.
  ieee: K. V. Saurav <i>et al.</i>, “Direct imaging elucidates ionic memory in two-dimensional
    nanochannels,” <i>Nature Materials</i>. Springer Nature, 2026.
  ista: Saurav KV, Ronceray N, Coquinot B, Pizarro AD, Keerthi A, Emmerich T, Radenovic
    A, Radha B. 2026. Direct imaging elucidates ionic memory in two-dimensional nanochannels.
    Nature Materials.
  mla: Saurav, Kalluvadi Veetil, et al. “Direct Imaging Elucidates Ionic Memory in
    Two-Dimensional Nanochannels.” <i>Nature Materials</i>, Springer Nature, 2026,
    doi:<a href="https://doi.org/10.1038/s41563-026-02775-4">10.1038/s41563-026-02775-4</a>.
  short: K.V. Saurav, N. Ronceray, B. Coquinot, A.D. Pizarro, A. Keerthi, T. Emmerich,
    A. Radenovic, B. Radha, Nature Materials (2026).
das_tickbox: '1'
dataavailabilitystatement: Source data related to this work are available via figshare
  at https://doi.org/10.6084/m9.figshare.33269229 (ref. 45). The Python script used
  for analysis can be accessed through the GitHub repository at https://github.com/nronce/operandoslit.
date_created: 2026-11-08T23:01:58Z
date_published: 2026-10-27T00:00:00Z
date_updated: 2026-11-11T08:38:53Z
day: '27'
ddc:
- '530'
department:
- _id: MiLe
doi: 10.1038/s41563-026-02775-4
external_id:
  arxiv:
  - '2509.11637'
  pmid:
  - '42946763'
file:
- access_level: open_access
  checksum: 25e4634583d394a1070933d607140a3c
  content_type: application/pdf
  creator: dernst
  date_created: 2026-11-11T08:38:03Z
  date_updated: 2026-11-11T08:38:03Z
  file_id: '23254'
  file_name: 2026_NatureMaterials_Saurav.pdf
  file_size: 2260389
  relation: main_file
  success: 1
file_date_updated: 2026-11-11T08:38:03Z
fulldoi: https://doi.org/10.1038/s41563-026-02775-4
has_accepted_license: '1'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
pmid: 1
publication: Nature Materials
publication_identifier:
  eissn:
  - 1476-4660
  issn:
  - 1476-1122
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: yes
scopus_import: '1'
status: public
supplementarymaterial: yes
title: Direct imaging elucidates ionic memory in two-dimensional nanochannels
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
year: '2026'
...
---
DOAJ_listed: '1'
OA_place: publisher
OA_type: gold
PlanS_conform: '1'
_id: '23235'
abstract:
- lang: eng
  text: Modular DNA assembly based Golden Gate cloning (MoClo) is a widely used framework
    to assemble genetic constructs. A number of MoClo “destination vectors” have been
    developed, however, available options are still limited with regards to copy number
    and antibiotic resistance in bacteria, vector compactness, and industry researchers’
    access to materials. Here, we assembled combinations of five resistance cassettes,
    four origins of replication and two colour markers to develop a collection of
    compact MoClo-compatible pCORE destination vectors. pCORE vectors support MoClo
    Level 1 and Level 2 assembly, and can serve as starting points for developing
    vectors for other hosts. We tested the performance of our vector collection in
    Escherichia coli, Agrobacterium tumefaciens and Saccharomyces cerevisiae. pCORE
    vectors are available to academia and industry under the terms of OpenMTA licence.
acknowledgement: This study was partially funded by Cloning Facility (cloning.tech).
  Plasmid assembly was funded by RSF project number 25-76-30006, https://rscf.ru/en/project/25-76-30006/.
  Plasmid validation experiments were funded by RSF, project number 25-44-02157, https://rscf.ru/en/project/25-44-02157/).
  The Synthetic Biology Group is funded by the MRC Laboratory of Medical Sciences
  (UKRI MC-A658-5QEA0). This project was supported by UKRI APP33664.
article_number: '35150'
article_processing_charge: Yes
article_type: original
author:
- first_name: Louisa
  full_name: Gonzalez Somermeyer, Louisa
  id: 4720D23C-F248-11E8-B48F-1D18A9856A87
  last_name: Gonzalez Somermeyer
  orcid: 0000-0001-9139-5383
- first_name: Maxim M.
  full_name: Perfilov, Maxim M.
  last_name: Perfilov
- first_name: Feng
  full_name: Gao, Feng
  last_name: Gao
- first_name: Dmitry A.
  full_name: Gorbachev, Dmitry A.
  last_name: Gorbachev
- first_name: Nikita V.
  full_name: Sytov, Nikita V.
  last_name: Sytov
- first_name: Victoria
  full_name: Kovalenko, Victoria
  last_name: Kovalenko
- first_name: Macià
  full_name: Sureda-Vives, Macià
  last_name: Sureda-Vives
- first_name: Aubin
  full_name: Fleiss, Aubin
  last_name: Fleiss
- first_name: Pilar
  full_name: Baldominos Flores, Pilar
  id: 4A823F42-F248-11E8-B48F-1D18A9856A87
  last_name: Baldominos Flores
- first_name: Ilia V.
  full_name: Yampolsky, Ilia V.
  last_name: Yampolsky
- first_name: Fyodor
  full_name: Kondrashov, Fyodor
  id: 44FDEF62-F248-11E8-B48F-1D18A9856A87
  last_name: Kondrashov
  orcid: 0000-0001-8243-4694
- first_name: Alexander S.
  full_name: Mishin, Alexander S.
  last_name: Mishin
- first_name: Karen
  full_name: Sarkisyan, Karen
  id: 39A7BF80-F248-11E8-B48F-1D18A9856A87
  last_name: Sarkisyan
  orcid: 0000-0002-5375-6341
citation:
  ama: Gonzalez Somermeyer L, Perfilov MM, Gao F, et al. pCORE, a set of open modular
    plasmids compatible with golden gate assembly. <i>Scientific Reports</i>. 2026;16.
    doi:<a href="https://doi.org/10.1038/s41598-026-66483-4">10.1038/s41598-026-66483-4</a>
  apa: Gonzalez Somermeyer, L., Perfilov, M. M., Gao, F., Gorbachev, D. A., Sytov,
    N. V., Kovalenko, V., … Sarkisyan, K. (2026). pCORE, a set of open modular plasmids
    compatible with golden gate assembly. <i>Scientific Reports</i>. Springer Nature.
    <a href="https://doi.org/10.1038/s41598-026-66483-4">https://doi.org/10.1038/s41598-026-66483-4</a>
  chicago: Gonzalez Somermeyer, Louisa, Maxim M. Perfilov, Feng Gao, Dmitry A. Gorbachev,
    Nikita V. Sytov, Victoria Kovalenko, Macià Sureda-Vives, et al. “PCORE, a Set
    of Open Modular Plasmids Compatible with Golden Gate Assembly.” <i>Scientific
    Reports</i>. Springer Nature, 2026. <a href="https://doi.org/10.1038/s41598-026-66483-4">https://doi.org/10.1038/s41598-026-66483-4</a>.
  ieee: L. Gonzalez Somermeyer <i>et al.</i>, “pCORE, a set of open modular plasmids
    compatible with golden gate assembly,” <i>Scientific Reports</i>, vol. 16. Springer
    Nature, 2026.
  ista: Gonzalez Somermeyer L, Perfilov MM, Gao F, Gorbachev DA, Sytov NV, Kovalenko
    V, Sureda-Vives M, Fleiss A, Baldominos Flores P, Yampolsky IV, Kondrashov F,
    Mishin AS, Sarkisyan K. 2026. pCORE, a set of open modular plasmids compatible
    with golden gate assembly. Scientific Reports. 16, 35150.
  mla: Gonzalez Somermeyer, Louisa, et al. “PCORE, a Set of Open Modular Plasmids
    Compatible with Golden Gate Assembly.” <i>Scientific Reports</i>, vol. 16, 35150,
    Springer Nature, 2026, doi:<a href="https://doi.org/10.1038/s41598-026-66483-4">10.1038/s41598-026-66483-4</a>.
  short: L. Gonzalez Somermeyer, M.M. Perfilov, F. Gao, D.A. Gorbachev, N.V. Sytov,
    V. Kovalenko, M. Sureda-Vives, A. Fleiss, P. Baldominos Flores, I.V. Yampolsky,
    F. Kondrashov, A.S. Mishin, K. Sarkisyan, Scientific Reports 16 (2026).
das_tickbox: '0'
date_created: 2026-11-08T23:01:57Z
date_published: 2026-10-28T00:00:00Z
date_updated: 2026-11-11T08:58:04Z
day: '28'
ddc:
- '570'
department:
- _id: FyKo
doi: 10.1038/s41598-026-66483-4
file:
- access_level: open_access
  checksum: ddae4cb7b7d87880d3a221b3045c3ef9
  content_type: application/pdf
  creator: dernst
  date_created: 2026-11-11T08:56:21Z
  date_updated: 2026-11-11T08:56:21Z
  file_id: '23255'
  file_name: 2026_ScientificReports_Somermeyer.pdf
  file_size: 1945334
  relation: main_file
  success: 1
file_date_updated: 2026-11-11T08:56:21Z
fulldoi: https://doi.org/10.1038/s41598-026-66483-4
has_accepted_license: '1'
intvolume: '        16'
language:
- iso: eng
month: '10'
oa: 1
oa_version: Published Version
publication: Scientific Reports
publication_identifier:
  eissn:
  - 2045-2322
publication_status: published
publisher: Springer Nature
quality_controlled: '1'
researchdata_availability: no
scopus_import: '1'
status: public
supplementarymaterial: yes
title: pCORE, a set of open modular plasmids compatible with golden gate assembly
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: 16
year: '2026'
...
---
APC_amount: 1352,08 EUR
OA_place: publisher
OA_type: hybrid
PlanS_conform: '1'
_id: '21894'
abstract:
- lang: eng
  text: "The Dean–Kawasaki equation—one of the most fundamental SPDEs of\r\nfluctuating
    hydrodynamics—has been proposed as a model for density fluctuations in weakly
    interacting particle systems. In its original form, it is highly\r\nsingular and
    fails to be renormalizable, even by approaches such as regularity structures and
    paracontrolled distributions, hindering mathematical approaches to its rigorous
    justification. It has been understood recently that it is\r\nnatural to introduce
    a suitable regularization, for example, by applying a formal spatial discretization
    or by truncating high-frequency noise: This yields\r\nwell-posed equations that
    should still precisely approximate the law of the\r\nparticle density fluctuations.\r\nIn
    the present work, we prove that a regularization in the form of a formal\r\ndiscretization
    of the Dean–Kawasaki equation indeed accurately describes\r\ndensity fluctuations
    in systems of weakly interacting diffusing particles: We\r\nshow that, in suitable
    weak metrics, the law of fluctuations as predicted by\r\nthe discretized Dean–Kawasaki
    SPDE approximates the law of fluctuations\r\nof the original particle system,
    up to an error that is of arbitrarily high order in\r\nthe inverse particle number
    and a discretization error. In particular, the Dean–\r\nKawasaki equation provides
    a means for efficient and accurate simulations of\r\ndensity fluctuations in weakly
    interacting particle systems."
acknowledgement: All authors gratefully acknowledge funding from the Austrian Science
  Fund (FWF) through the project F65. CR gratefully acknowledges support from the
  Austrian Science Fund (FWF), grants P30000, P33010, W1245. FC gratefully acknowledges
  funding from the European Union’s Horizon 2020 research and innovation programme
  under the Marie Skłodowska-Curie grant agreement No. 754411.
article_processing_charge: Yes (in subscription journal)
article_type: original
arxiv: 1
author:
- first_name: Federico
  full_name: Cornalba, Federico
  last_name: Cornalba
- first_name: Julian L
  full_name: Fischer, Julian L
  id: 2C12A0B0-F248-11E8-B48F-1D18A9856A87
  last_name: Fischer
  orcid: 0000-0002-0479-558X
- first_name: Jonas
  full_name: Ingmanns, Jonas
  id: 71523d30-15b2-11ec-abd3-f80aa909d6b0
  last_name: Ingmanns
  orcid: 0009-0008-1310-7946
- first_name: Claudia
  full_name: Raithel, Claudia
  last_name: Raithel
citation:
  ama: Cornalba F, Fischer JL, Ingmanns J, Raithel C. Density fluctuations in weakly
    interacting particle systems via the Dean–Kawasaki equation. <i>The Annals of
    Probability</i>. 2026;54(1):155-215. doi:<a href="https://doi.org/10.1214/25-aop1763">10.1214/25-aop1763</a>
  apa: Cornalba, F., Fischer, J. L., Ingmanns, J., &#38; Raithel, C. (2026). Density
    fluctuations in weakly interacting particle systems via the Dean–Kawasaki equation.
    <i>The Annals of Probability</i>. Institute of Mathematical Statistics. <a href="https://doi.org/10.1214/25-aop1763">https://doi.org/10.1214/25-aop1763</a>
  chicago: Cornalba, Federico, Julian L Fischer, Jonas Ingmanns, and Claudia Raithel.
    “Density Fluctuations in Weakly Interacting Particle Systems via the Dean–Kawasaki
    Equation.” <i>The Annals of Probability</i>. Institute of Mathematical Statistics,
    2026. <a href="https://doi.org/10.1214/25-aop1763">https://doi.org/10.1214/25-aop1763</a>.
  ieee: F. Cornalba, J. L. Fischer, J. Ingmanns, and C. Raithel, “Density fluctuations
    in weakly interacting particle systems via the Dean–Kawasaki equation,” <i>The
    Annals of Probability</i>, vol. 54, no. 1. Institute of Mathematical Statistics,
    pp. 155–215, 2026.
  ista: Cornalba F, Fischer JL, Ingmanns J, Raithel C. 2026. Density fluctuations
    in weakly interacting particle systems via the Dean–Kawasaki equation. The Annals
    of Probability. 54(1), 155–215.
  mla: Cornalba, Federico, et al. “Density Fluctuations in Weakly Interacting Particle
    Systems via the Dean–Kawasaki Equation.” <i>The Annals of Probability</i>, vol.
    54, no. 1, Institute of Mathematical Statistics, 2026, pp. 155–215, doi:<a href="https://doi.org/10.1214/25-aop1763">10.1214/25-aop1763</a>.
  short: F. Cornalba, J.L. Fischer, J. Ingmanns, C. Raithel, The Annals of Probability
    54 (2026) 155–215.
corr_author: '1'
date_created: 2026-05-20T08:25:25Z
date_published: 2026-01-01T00:00:00Z
date_updated: 2026-11-11T13:20:22Z
day: '01'
ddc:
- '510'
department:
- _id: JuFi
doi: 10.1214/25-aop1763
ec_funded: 1
external_id:
  arxiv:
  - '2303.00429'
file:
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  checksum: 3e60c0e25a1c96342029a7d2b031505f
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  creator: dernst
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fulldoi: https://doi.org/10.1214/25-aop1763
has_accepted_license: '1'
intvolume: '        54'
issue: '1'
keyword:
- Weakly interacting particle systems
- fluctuating hydrodynamics
- Dean-Kawasaki equation
- stochastic PDEs
- numerical approximation
language:
- iso: eng
month: '01'
oa: 1
oa_version: Published Version
page: 155-215
project:
- _id: 260C2330-B435-11E9-9278-68D0E5697425
  call_identifier: H2020
  grant_number: '754411'
  name: ISTplus - Postdoctoral Fellowships
- _id: fc31cba2-9c52-11eb-aca3-ff467d239cd2
  grant_number: F6504
  name: Taming Complexity in Partial Differential Systems
publication: The Annals of Probability
publication_identifier:
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  - 2168-894X
  issn:
  - 0091-1798
publication_status: published
publisher: Institute of Mathematical Statistics
quality_controlled: '1'
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    status: for_moderation
scopus_import: '1'
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title: Density fluctuations in weakly interacting particle systems via the Dean–Kawasaki
  equation
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