---
OA_place: publisher
_id: '1396'
abstract:
- lang: eng
  text: CA3 pyramidal neurons are thought to pay a key role in memory storage and
    pattern completion by activity-dependent synaptic plasticity between CA3-CA3 recurrent
    excitatory synapses. To examine the induction rules of synaptic plasticity at
    CA3-CA3 synapses, we performed whole-cell patch-clamp recordings in acute hippocampal
    slices from rats (postnatal 21-24 days) at room temperature. Compound excitatory
    postsynaptic potentials (ESPSs) were recorded by tract stimulation in stratum
    oriens in the presence of 10 µM gabazine. High-frequency stimulation (HFS) induced
    N-methyl-D-aspartate (NMDA) receptor-dependent long-term potentiation (LTP). Although
    LTP by HFS did not requier postsynaptic spikes, it was blocked by Na+-channel
    blockers suggesting that local active processes (e.g.) dendritic spikes) may contribute
    to LTP induction without requirement of a somatic action potential (AP). We next
    examined the properties of spike timing-dependent plasticity (STDP) at CA3-CA3
    synapses. Unexpectedly, low-frequency pairing of EPSPs and backpropagated action
    potentialy (bAPs) induced LTP, independent of temporal order. The STDP curve was
    symmetric and broad, with a half-width of ~150 ms. Consistent with these specific
    STDP induction properties, post-presynaptic sequences led to a supralinear summation
    of spine [Ca2+] transients. Furthermore, in autoassociative network models, storage
    and recall was substantially more robust with symmetric than with asymmetric STDP
    rules. In conclusion, we found associative forms of LTP at CA3-CA3 recurrent collateral
    synapses with distinct induction rules. LTP induced by HFS may be associated with
    dendritic spikes. In contrast, low frequency pairing of pre- and postsynaptic
    activity induced LTP only if EPSP-AP were temporally very close. Together, these
    induction mechanisms of synaptiic plasticity may contribute to memory storage
    in the CA3-CA3 microcircuit at different ranges of activity.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Rajiv Kumar
  full_name: Mishra, Rajiv Kumar
  id: 46CB58F2-F248-11E8-B48F-1D18A9856A87
  last_name: Mishra
citation:
  ama: Mishra RK. Synaptic plasticity rules at CA3-CA3 recurrent synapses in hippocampus.
    2016.
  apa: Mishra, R. K. (2016). <i>Synaptic plasticity rules at CA3-CA3 recurrent synapses
    in hippocampus</i>. Institute of Science and Technology Austria.
  chicago: Mishra, Rajiv Kumar. “Synaptic Plasticity Rules at CA3-CA3 Recurrent Synapses
    in Hippocampus.” Institute of Science and Technology Austria, 2016.
  ieee: R. K. Mishra, “Synaptic plasticity rules at CA3-CA3 recurrent synapses in
    hippocampus,” Institute of Science and Technology Austria, 2016.
  ista: Mishra RK. 2016. Synaptic plasticity rules at CA3-CA3 recurrent synapses in
    hippocampus. Institute of Science and Technology Austria.
  mla: Mishra, Rajiv Kumar. <i>Synaptic Plasticity Rules at CA3-CA3 Recurrent Synapses
    in Hippocampus</i>. Institute of Science and Technology Austria, 2016.
  short: R.K. Mishra, Synaptic Plasticity Rules at CA3-CA3 Recurrent Synapses in Hippocampus,
    Institute of Science and Technology Austria, 2016.
corr_author: '1'
date_created: 2018-12-11T11:51:46Z
date_published: 2016-03-01T00:00:00Z
date_updated: 2026-04-09T10:52:26Z
day: '01'
ddc:
- '570'
degree_awarded: PhD
department:
- _id: PeJo
file:
- access_level: closed
  checksum: 5a010a838faf040f7064f3cfb802f743
  content_type: application/pdf
  creator: dernst
  date_created: 2019-08-09T12:14:46Z
  date_updated: 2020-07-14T12:44:48Z
  file_id: '6782'
  file_name: Thesis_Mishra_Rajiv (Final).pdf
  file_size: 2407572
  relation: main_file
- access_level: open_access
  checksum: 81b26d9ede92c99f1d8cc6fa1d04cbbb
  content_type: application/pdf
  creator: dernst
  date_created: 2021-02-22T11:48:44Z
  date_updated: 2021-02-22T11:48:44Z
  file_id: '9183'
  file_name: 2016_RajivMishra_Thesis.pdf
  file_size: 2407572
  relation: main_file
  success: 1
file_date_updated: 2021-02-22T11:48:44Z
has_accepted_license: '1'
language:
- iso: eng
month: '03'
oa: 1
oa_version: Published Version
page: '83'
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '5811'
related_material:
  record:
  - id: '1432'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Peter M
  full_name: Jonas, Peter M
  id: 353C1B58-F248-11E8-B48F-1D18A9856A87
  last_name: Jonas
  orcid: 0000-0001-5001-4804
title: Synaptic plasticity rules at CA3-CA3 recurrent synapses in hippocampus
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2016'
...
---
_id: '5553'
abstract:
- lang: eng
  text: "Genotypic, phenotypic and demographic data for 2128 wild snapdragons and
    1127 open-pollinated progeny from a natural hybrid zone, collected as part of
    Tom Ellis' PhD thesis (submitted) February 2016).\r\n\r\nTissue samples were sent
    to LGC Genomics in Berlin for DNA extraction, and genotyping at 70 SNP markers
    by KASPR genotyping. 29 of these SNPs failed to amplify reliably, and have been
    removed from this dataset.\r\n\r\nOther data were retreived from an online database
    of this population at www.antspec.org."
article_processing_charge: No
author:
- first_name: David
  full_name: Field, David
  id: 419049E2-F248-11E8-B48F-1D18A9856A87
  last_name: Field
  orcid: 0000-0002-4014-8478
- first_name: Thomas
  full_name: Ellis, Thomas
  id: 3153D6D4-F248-11E8-B48F-1D18A9856A87
  last_name: Ellis
  orcid: 0000-0002-8511-0254
citation:
  ama: Field D, Ellis T. Inference of mating patterns among wild snapdragons in a
    natural hybrid zone in 2012. 2016. doi:<a href="https://doi.org/10.15479/AT:ISTA:37">10.15479/AT:ISTA:37</a>
  apa: Field, D., &#38; Ellis, T. (2016). Inference of mating patterns among wild
    snapdragons in a natural hybrid zone in 2012. Institute of Science and Technology
    Austria. <a href="https://doi.org/10.15479/AT:ISTA:37">https://doi.org/10.15479/AT:ISTA:37</a>
  chicago: Field, David, and Thomas Ellis. “Inference of Mating Patterns among Wild
    Snapdragons in a Natural Hybrid Zone in 2012.” Institute of Science and Technology
    Austria, 2016. <a href="https://doi.org/10.15479/AT:ISTA:37">https://doi.org/10.15479/AT:ISTA:37</a>.
  ieee: D. Field and T. Ellis, “Inference of mating patterns among wild snapdragons
    in a natural hybrid zone in 2012.” Institute of Science and Technology Austria,
    2016.
  ista: Field D, Ellis T. 2016. Inference of mating patterns among wild snapdragons
    in a natural hybrid zone in 2012, Institute of Science and Technology Austria,
    <a href="https://doi.org/10.15479/AT:ISTA:37">10.15479/AT:ISTA:37</a>.
  mla: Field, David, and Thomas Ellis. <i>Inference of Mating Patterns among Wild
    Snapdragons in a Natural Hybrid Zone in 2012</i>. Institute of Science and Technology
    Austria, 2016, doi:<a href="https://doi.org/10.15479/AT:ISTA:37">10.15479/AT:ISTA:37</a>.
  short: D. Field, T. Ellis, (2016).
contributor:
- contributor_type: project_manager
  first_name: Nicholas H
  id: 4880FE40-F248-11E8-B48F-1D18A9856A87
  last_name: Barton
  orcid: 0000-0002-8548-5240
datarep_id: '37'
date_created: 2018-12-12T12:31:30Z
date_published: 2016-02-19T00:00:00Z
date_updated: 2026-04-09T10:52:06Z
day: '19'
ddc:
- '576'
department:
- _id: NiBa
doi: 10.15479/AT:ISTA:37
file:
- access_level: open_access
  checksum: 4ae751b1fa4897fa216241f975a57313
  content_type: application/zip
  creator: system
  date_created: 2018-12-12T13:03:02Z
  date_updated: 2020-07-14T12:47:01Z
  file_id: '5620'
  file_name: IST-2016-37-v1+1_paternity_archive.zip
  file_size: 132808
  relation: main_file
file_date_updated: 2020-07-14T12:47:01Z
has_accepted_license: '1'
keyword:
- paternity assignment
- pedigree
- matting patterns
- assortative mating
- Antirrhinum majus
- frequency-dependent selection
- plant-pollinator interaction
license: https://creativecommons.org/publicdomain/zero/1.0/
month: '02'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '1398'
    relation: part_of_dissertation
    status: public
status: public
title: Inference of mating patterns among wild snapdragons in a natural hybrid zone
  in 2012
tmp:
  image: /images/cc_0.png
  legal_code_url: https://creativecommons.org/publicdomain/zero/1.0/legalcode
  name: Creative Commons Public Domain Dedication (CC0 1.0)
  short: CC0 (1.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2016'
...
---
_id: '5551'
abstract:
- lang: eng
  text: "Data from array experiments investigating pollinator behaviour on snapdragons
    in controlled conditions, and their effect on plant mating. Data were collected
    as part of Tom Ellis' PhD thesis , submitted February 2016.\r\n\r\nWe placed a
    total of 36 plants in a grid inside a closed organza tent, with a single hive
    of commercially bred bumblebees (Bombus hortorum). We used only the yellow-flowered
    Antirrhinum majus striatum and the magenta-flowered Antirrhinum majus pseudomajus,
    at ratios of 6:36, 12:24, 18:18, 24:12 and 30:6.\r\n\r\nAfter 24 hours to learn
    how to deal with snapdragons, I observed pollinators foraging on plants, and recorded
    the transitions between plants. Thereafter seeds on plants were allowed to develops.
    A sample of these were grown to maturity when their flower colour could be determined,
    and they were scored as yellow, magenta, or hybrid."
article_processing_charge: No
author:
- first_name: Thomas
  full_name: Ellis, Thomas
  id: 3153D6D4-F248-11E8-B48F-1D18A9856A87
  last_name: Ellis
  orcid: 0000-0002-8511-0254
citation:
  ama: Ellis T. Data on pollinator observations and offpsring phenotypes. 2016. doi:<a
    href="https://doi.org/10.15479/AT:ISTA:35">10.15479/AT:ISTA:35</a>
  apa: Ellis, T. (2016). Data on pollinator observations and offpsring phenotypes.
    Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:35">https://doi.org/10.15479/AT:ISTA:35</a>
  chicago: Ellis, Thomas. “Data on Pollinator Observations and Offpsring Phenotypes.”
    Institute of Science and Technology Austria, 2016. <a href="https://doi.org/10.15479/AT:ISTA:35">https://doi.org/10.15479/AT:ISTA:35</a>.
  ieee: T. Ellis, “Data on pollinator observations and offpsring phenotypes.” Institute
    of Science and Technology Austria, 2016.
  ista: Ellis T. 2016. Data on pollinator observations and offpsring phenotypes, Institute
    of Science and Technology Austria, <a href="https://doi.org/10.15479/AT:ISTA:35">10.15479/AT:ISTA:35</a>.
  mla: Ellis, Thomas. <i>Data on Pollinator Observations and Offpsring Phenotypes</i>.
    Institute of Science and Technology Austria, 2016, doi:<a href="https://doi.org/10.15479/AT:ISTA:35">10.15479/AT:ISTA:35</a>.
  short: T. Ellis, (2016).
contributor:
- first_name: David
  id: 419049E2-F248-11E8-B48F-1D18A9856A87
  last_name: Field
- first_name: Nicholas H
  id: 4880FE40-F248-11E8-B48F-1D18A9856A87
  last_name: Barton
  orcid: 0000-0002-8548-5240
datarep_id: '35'
date_created: 2018-12-12T12:31:29Z
date_published: 2016-02-19T00:00:00Z
date_updated: 2026-04-09T10:52:07Z
day: '19'
department:
- _id: NiBa
doi: 10.15479/AT:ISTA:35
file:
- access_level: open_access
  checksum: aa3eb85d52b110cd192aa23147c4d4f3
  content_type: application/zip
  creator: system
  date_created: 2018-12-12T13:05:12Z
  date_updated: 2020-07-14T12:47:01Z
  file_id: '5640'
  file_name: IST-2016-35-v1+1_array_data.zip
  file_size: 32775
  relation: main_file
file_date_updated: 2020-07-14T12:47:01Z
has_accepted_license: '1'
month: '02'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '1398'
    relation: part_of_dissertation
    status: public
status: public
title: Data on pollinator observations and offpsring phenotypes
tmp:
  image: /images/cc_0.png
  legal_code_url: https://creativecommons.org/publicdomain/zero/1.0/legalcode
  name: Creative Commons Public Domain Dedication (CC0 1.0)
  short: CC0 (1.0)
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2016'
...
---
_id: '5552'
abstract:
- lang: eng
  text: "Data on pollinator visitation to wild snapdragons in a natural hybrid zone,
    collected as part of Tom Ellis' PhD thesis (submitted February 2016).\r\n\r\nSnapdragon
    flowers have a mouth-like structure which pollinators must open to access nectar.
    We placed 5mm cellophane tags in these mouths, which are held in place by the
    pressure of the flower until a pollinator visits. When she opens the flower, the
    tag drops out, and one can infer a visit. We surveyed plants over multiple days
    in 2010, 2011 and 2012.\r\n\r\nAlso included are data on phenotypic and demographic
    variables which may be explanatory variables for pollinator visitation."
article_processing_charge: No
author:
- first_name: Thomas
  full_name: Ellis, Thomas
  id: 3153D6D4-F248-11E8-B48F-1D18A9856A87
  last_name: Ellis
  orcid: 0000-0002-8511-0254
citation:
  ama: Ellis T. Pollinator visitation data for wild Antirrhinum majus plants, with
    phenotypic and frequency data. 2016. doi:<a href="https://doi.org/10.15479/AT:ISTA:36">10.15479/AT:ISTA:36</a>
  apa: Ellis, T. (2016). Pollinator visitation data for wild Antirrhinum majus plants,
    with phenotypic and frequency data. Institute of Science and Technology Austria.
    <a href="https://doi.org/10.15479/AT:ISTA:36">https://doi.org/10.15479/AT:ISTA:36</a>
  chicago: Ellis, Thomas. “Pollinator Visitation Data for Wild Antirrhinum Majus Plants,
    with Phenotypic and Frequency Data.” Institute of Science and Technology Austria,
    2016. <a href="https://doi.org/10.15479/AT:ISTA:36">https://doi.org/10.15479/AT:ISTA:36</a>.
  ieee: T. Ellis, “Pollinator visitation data for wild Antirrhinum majus plants, with
    phenotypic and frequency data.” Institute of Science and Technology Austria, 2016.
  ista: Ellis T. 2016. Pollinator visitation data for wild Antirrhinum majus plants,
    with phenotypic and frequency data., Institute of Science and Technology Austria,
    <a href="https://doi.org/10.15479/AT:ISTA:36">10.15479/AT:ISTA:36</a>.
  mla: Ellis, Thomas. <i>Pollinator Visitation Data for Wild Antirrhinum Majus Plants,
    with Phenotypic and Frequency Data.</i> Institute of Science and Technology Austria,
    2016, doi:<a href="https://doi.org/10.15479/AT:ISTA:36">10.15479/AT:ISTA:36</a>.
  short: T. Ellis, (2016).
contributor:
- first_name: David
  id: 419049E2-F248-11E8-B48F-1D18A9856A87
  last_name: Field
- first_name: Nicholas H
  id: 4880FE40-F248-11E8-B48F-1D18A9856A87
  last_name: Barton
  orcid: 0000-0002-8548-5240
datarep_id: '36'
date_created: 2018-12-12T12:31:30Z
date_published: 2016-02-19T00:00:00Z
date_updated: 2026-04-09T10:52:07Z
day: '19'
department:
- _id: NiBa
doi: 10.15479/AT:ISTA:36
file:
- access_level: open_access
  checksum: cbc61b523d4d475a04a737d50dc470ef
  content_type: application/zip
  creator: system
  date_created: 2018-12-12T13:03:07Z
  date_updated: 2020-07-14T12:47:01Z
  file_id: '5625'
  file_name: IST-2016-36-v1+1_tag_assay_archive.zip
  file_size: 44905
  relation: main_file
file_date_updated: 2020-07-14T12:47:01Z
has_accepted_license: '1'
month: '02'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
  record:
  - id: '1398'
    relation: part_of_dissertation
    status: public
status: public
title: Pollinator visitation data for wild Antirrhinum majus plants, with phenotypic
  and frequency data.
type: research_data
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
year: '2016'
...
---
OA_place: publisher
_id: '1130'
abstract:
- lang: eng
  text: "In this thesis we present a computer-aided programming approach to concurrency.
    Our approach helps the programmer by automatically fixing concurrency-related
    bugs, i.e. bugs that occur when the program is executed using an aggressive preemptive
    scheduler, but not when using a non-preemptive (cooperative) scheduler. Bugs are
    program behaviours that are incorrect w.r.t. a specification. We consider both
    user-provided explicit specifications in the form of assertion\r\nstatements in
    the code as well as an implicit specification. The implicit specification is inferred
    from the non-preemptive behaviour. Let us consider sequences of calls that the
    program makes to an external interface. The implicit specification requires that
    any such sequence produced under a preemptive scheduler should be included in
    the set of sequences produced under a non-preemptive scheduler. We consider several
    semantics-preserving fixes that go beyond atomic sections typically explored in
    the synchronisation synthesis literature. Our synthesis is able to place locks,
    barriers and wait-signal statements and last, but not least reorder independent
    statements. The latter may be useful if a thread is released to early, e.g., before
    some initialisation is completed. We guarantee that our synthesis does not introduce
    deadlocks and that the synchronisation inserted is optimal w.r.t. a given objective
    function. We dub our solution trace-based synchronisation synthesis and it is
    loosely based on counterexample-guided inductive synthesis (CEGIS). The synthesis
    works by discovering a trace that is incorrect w.r.t. the specification and identifying
    ordering constraints crucial to trigger the specification violation. Synchronisation
    may be placed immediately (greedy approach) or delayed until all incorrect traces
    are found (non-greedy approach). For the non-greedy approach we construct a set
    of global constraints over synchronisation placements. Each model of the global
    constraints set corresponds to a correctness-ensuring synchronisation placement.
    The placement that is optimal w.r.t. the given objective function is chosen as
    the synchronisation solution. We evaluate our approach on a number of realistic
    (albeit simplified) Linux device-driver\r\nbenchmarks. The benchmarks are versions
    of the drivers with known concurrency-related bugs. For the experiments with an
    explicit specification we added assertions that would detect the bugs in the experiments.
    Device drivers lend themselves to implicit specification, where the device and
    the operating system are the external interfaces. Our experiments demonstrate
    that our synthesis method is precise and efficient. We implemented objective functions
    for coarse-grained and fine-grained locking and observed that different synchronisation
    placements are produced for our experiments, favouring e.g. a minimal number of
    synchronisation operations or maximum concurrency."
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Thorsten
  full_name: Tarrach, Thorsten
  id: 3D6E8F2C-F248-11E8-B48F-1D18A9856A87
  last_name: Tarrach
  orcid: 0000-0003-4409-8487
citation:
  ama: Tarrach T. Automatic synthesis of synchronisation primitives for concurrent
    programs. 2016. doi:<a href="https://doi.org/10.15479/at:ista:1130">10.15479/at:ista:1130</a>
  apa: Tarrach, T. (2016). <i>Automatic synthesis of synchronisation primitives for
    concurrent programs</i>. Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/at:ista:1130">https://doi.org/10.15479/at:ista:1130</a>
  chicago: Tarrach, Thorsten. “Automatic Synthesis of Synchronisation Primitives for
    Concurrent Programs.” Institute of Science and Technology Austria, 2016. <a href="https://doi.org/10.15479/at:ista:1130">https://doi.org/10.15479/at:ista:1130</a>.
  ieee: T. Tarrach, “Automatic synthesis of synchronisation primitives for concurrent
    programs,” Institute of Science and Technology Austria, 2016.
  ista: Tarrach T. 2016. Automatic synthesis of synchronisation primitives for concurrent
    programs. Institute of Science and Technology Austria.
  mla: Tarrach, Thorsten. <i>Automatic Synthesis of Synchronisation Primitives for
    Concurrent Programs</i>. Institute of Science and Technology Austria, 2016, doi:<a
    href="https://doi.org/10.15479/at:ista:1130">10.15479/at:ista:1130</a>.
  short: T. Tarrach, Automatic Synthesis of Synchronisation Primitives for Concurrent
    Programs, Institute of Science and Technology Austria, 2016.
corr_author: '1'
date_created: 2018-12-11T11:50:19Z
date_published: 2016-07-07T00:00:00Z
date_updated: 2026-04-09T10:54:01Z
day: '07'
ddc:
- '000'
degree_awarded: PhD
department:
- _id: ToHe
- _id: GradSch
doi: 10.15479/at:ista:1130
ec_funded: 1
file:
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  checksum: 319a506831650327e85376db41fc1094
  content_type: application/pdf
  creator: dernst
  date_created: 2021-02-22T11:39:32Z
  date_updated: 2021-02-22T11:39:32Z
  file_id: '9179'
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  file_size: 1523935
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  success: 1
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  checksum: 39efcd789f0ad859ff15652cb7afc412
  content_type: application/pdf
  creator: cchlebak
  date_created: 2021-11-16T14:14:38Z
  date_updated: 2021-11-17T13:46:55Z
  file_id: '10296'
  file_name: 2016_Tarrach_Thesispdfa.pdf
  file_size: 1306068
  relation: main_file
file_date_updated: 2021-11-17T13:46:55Z
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: http://thorstent.github.io/theses/phd_thorsten_tarrach.pdf
month: '07'
oa: 1
oa_version: Published Version
page: '151'
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '6230'
related_material:
  record:
  - id: '2218'
    relation: part_of_dissertation
    status: public
  - id: '2445'
    relation: part_of_dissertation
    status: public
  - id: '1729'
    relation: part_of_dissertation
    status: public
status: public
supervisor:
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
title: Automatic synthesis of synchronisation primitives for concurrent programs
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2016'
...
---
OA_place: publisher
_id: '1131'
abstract:
- lang: eng
  text: "Evolution of gene regulation is important for phenotypic evolution and diversity.
    Sequence-specific binding of regulatory proteins is one of the key regulatory
    mechanisms determining gene expression. Although there has been intense interest
    in evolution of regulatory binding sites in the last decades, a theoretical understanding
    is far from being complete. In this thesis, I aim at a better understanding of
    the evolution of transcriptional regulatory binding sequences by using biophysical
    and population genetic models.\r\nIn the first part of the thesis, I discuss how
    to formulate the evolutionary dynamics of binding se- quences in a single isolated
    binding site and in promoter/enhancer regions. I develop a theoretical framework
    bridging between a thermodynamical model for transcription and a mutation-selection-drift
    model for monomorphic populations. I mainly address the typical evolutionary rates,
    and how they de- pend on biophysical parameters (e.g. binding length and specificity)
    and population genetic parameters (e.g. population size and selection strength).\r\nIn
    the second part of the thesis, I analyse empirical data for a better evolutionary
    and biophysical understanding of sequence-specific binding of bacterial RNA polymerase.
    First, I infer selection on regulatory and non-regulatory binding sites of RNA
    polymerase in the E. coli K12 genome. Second, I infer the chemical potential of
    RNA polymerase, an important but unknown physical parameter defining the threshold
    energy for strong binding. Furthermore, I try to understand the relation between
    the lac promoter sequence diversity and the LacZ activity variation among 20 bacterial
    isolates by constructing a simple but biophysically motivated gene expression
    model. Lastly, I lay out a statistical framework to predict adaptive point mutations
    in de novo promoter evolution in a selection experiment."
acknowledgement: This PhD thesis may not have been completed without the help and
  care I received from some peo- ple during my PhD life. I am especially grateful
  to Tiago Paixao, Gasper Tkacik, Nick Barton, not only for their scientific advices
  but also for their patience and support. I thank Calin Guet and Jonathan Bollback
  for allowing me to “play around” in their labs and get some experience on experimental
  evolution. I thank Magdalena Steinrueck and Fabienne Jesse for collaborating and
  sharing their experimental data with me. I thank Johannes Jaeger for reviewing my
  thesis. I thank all members of Barton group (aka bartonians) for their feedback,
  and all workers of IST Austria for making the best working conditions. Lastly, I
  thank two special women, Nejla Sag ̆lam and Setenay Dog ̆an, for their continuous
  support and encouragement. I truly had a great chance of having right people around
  me.
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Murat
  full_name: Tugrul, Murat
  id: 37C323C6-F248-11E8-B48F-1D18A9856A87
  last_name: Tugrul
  orcid: 0000-0002-8523-0758
citation:
  ama: Tugrul M. Evolution of transcriptional regulatory sequences. 2016.
  apa: Tugrul, M. (2016). <i>Evolution of transcriptional regulatory sequences</i>.
    Institute of Science and Technology Austria.
  chicago: Tugrul, Murat. “Evolution of Transcriptional Regulatory Sequences.” Institute
    of Science and Technology Austria, 2016.
  ieee: M. Tugrul, “Evolution of transcriptional regulatory sequences,” Institute
    of Science and Technology Austria, 2016.
  ista: Tugrul M. 2016. Evolution of transcriptional regulatory sequences. Institute
    of Science and Technology Austria.
  mla: Tugrul, Murat. <i>Evolution of Transcriptional Regulatory Sequences</i>. Institute
    of Science and Technology Austria, 2016.
  short: M. Tugrul, Evolution of Transcriptional Regulatory Sequences, Institute of
    Science and Technology Austria, 2016.
corr_author: '1'
date_created: 2018-12-11T11:50:19Z
date_published: 2016-07-01T00:00:00Z
date_updated: 2026-04-09T10:52:40Z
day: '01'
ddc:
- '576'
degree_awarded: PhD
department:
- _id: NiBa
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has_accepted_license: '1'
language:
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month: '07'
oa: 1
oa_version: Published Version
page: '89'
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '6229'
related_material:
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status: public
supervisor:
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  full_name: Barton, Nicholas H
  id: 4880FE40-F248-11E8-B48F-1D18A9856A87
  last_name: Barton
  orcid: 0000-0002-8548-5240
title: Evolution of transcriptional regulatory sequences
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2016'
...
---
_id: '5554'
abstract:
- lang: eng
  text: "The data stored here is used in Murat Tugrul's PhD thesis (Chapter 3), which
    is related to the evolution of bacterial RNA polymerase binding.\r\nMagdalena
    Steinrueck (PhD Student in Calin Guet's group at IST Austria) performed the experiments
    and created the data on de novo promoter evolution. Fabienne Jesse (PhD Student
    in Jon Bollback's group at IST Austria) performed the experiments and created
    the data on lac promoter evolution."
article_processing_charge: No
author:
- first_name: Murat
  full_name: Tugrul, Murat
  id: 37C323C6-F248-11E8-B48F-1D18A9856A87
  last_name: Tugrul
  orcid: 0000-0002-8523-0758
citation:
  ama: Tugrul M. Experimental Data for Binding Site Evolution of Bacterial RNA Polymerase.
    2016. doi:<a href="https://doi.org/10.15479/AT:ISTA:43">10.15479/AT:ISTA:43</a>
  apa: Tugrul, M. (2016). Experimental Data for Binding Site Evolution of Bacterial
    RNA Polymerase. Institute of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:43">https://doi.org/10.15479/AT:ISTA:43</a>
  chicago: Tugrul, Murat. “Experimental Data for Binding Site Evolution of Bacterial
    RNA Polymerase.” Institute of Science and Technology Austria, 2016. <a href="https://doi.org/10.15479/AT:ISTA:43">https://doi.org/10.15479/AT:ISTA:43</a>.
  ieee: M. Tugrul, “Experimental Data for Binding Site Evolution of Bacterial RNA
    Polymerase.” Institute of Science and Technology Austria, 2016.
  ista: Tugrul M. 2016. Experimental Data for Binding Site Evolution of Bacterial
    RNA Polymerase, Institute of Science and Technology Austria, <a href="https://doi.org/10.15479/AT:ISTA:43">10.15479/AT:ISTA:43</a>.
  mla: Tugrul, Murat. <i>Experimental Data for Binding Site Evolution of Bacterial
    RNA Polymerase</i>. Institute of Science and Technology Austria, 2016, doi:<a
    href="https://doi.org/10.15479/AT:ISTA:43">10.15479/AT:ISTA:43</a>.
  short: M. Tugrul, (2016).
contributor:
- contributor_type: researcher
  first_name: Magdalena
  id: 2C023F40-F248-11E8-B48F-1D18A9856A87
  last_name: Steinrück
- contributor_type: researcher
  first_name: Fabienne
  id: 4C8C26A4-F248-11E8-B48F-1D18A9856A87
  last_name: Jesse
datarep_id: '43'
date_created: 2018-12-12T12:31:30Z
date_published: 2016-05-12T00:00:00Z
date_updated: 2026-04-09T10:52:40Z
day: '12'
department:
- _id: NiBa
- _id: JoBo
doi: 10.15479/AT:ISTA:43
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has_accepted_license: '1'
keyword:
- RNAP binding
- de novo promoter evolution
- lac promoter
month: '05'
oa: 1
oa_version: Published Version
publisher: Institute of Science and Technology Austria
related_material:
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  - id: '1131'
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status: public
title: Experimental Data for Binding Site Evolution of Bacterial RNA Polymerase
tmp:
  image: /images/cc_0.png
  legal_code_url: https://creativecommons.org/publicdomain/zero/1.0/legalcode
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  short: CC0 (1.0)
type: research_data
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...
---
OA_place: publisher
_id: '1125'
abstract:
- lang: eng
  text: "Natural environments are never constant but subject to spatial and temporal
    change on\r\nall scales, increasingly so due to human activity. Hence, it is crucial
    to understand the\r\nimpact of environmental variation on evolutionary processes.
    In this thesis, I present\r\nthree topics that share the common theme of environmental
    variation, yet illustrate its\r\neffect from different perspectives.\r\nFirst,
    I show how a temporally fluctuating environment gives rise to second-order\r\nselection
    on a modifier for stress-induced mutagenesis. Without fluctuations, when\r\npopulations
    are adapted to their environment, mutation rates are minimized. I argue\r\nthat
    a stress-induced mutator mechanism may only be maintained if the population is\r\nrepeatedly
    subjected to diverse environmental challenges, and I outline implications of\r\nthe
    presented results to antibiotic treatment strategies.\r\nSecond, I discuss my
    work on the evolution of dispersal. Besides reproducing\r\nknown results about
    the effect of heterogeneous habitats on dispersal, it identifies\r\nspatial changes
    in dispersal type frequencies as a source for selection for increased\r\npropensities
    to disperse. This concept contains effects of relatedness that are known\r\nto
    promote dispersal, and I explain how it identifies other forces selecting for
    dispersal\r\nand puts them on a common scale.\r\nThird, I analyse genetic variances
    of phenotypic traits under multivariate stabilizing\r\nselection. For the case
    of constant environments, I generalize known formulae of\r\nequilibrium variances
    to multiple traits and discuss how the genetic variance of a focal\r\ntrait is
    influenced by selection on background traits. I conclude by presenting ideas and\r\npreliminary
    work aiming at including environmental fluctuations in the form of moving\r\ntrait
    optima into the model."
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Sebastian
  full_name: Novak, Sebastian
  id: 461468AE-F248-11E8-B48F-1D18A9856A87
  last_name: Novak
  orcid: 0000-0002-2519-824X
citation:
  ama: Novak S. Evolutionary proccesses in variable emvironments. 2016.
  apa: Novak, S. (2016). <i>Evolutionary proccesses in variable emvironments</i>.
    Institute of Science and Technology Austria.
  chicago: Novak, Sebastian. “Evolutionary Proccesses in Variable Emvironments.” Institute
    of Science and Technology Austria, 2016.
  ieee: S. Novak, “Evolutionary proccesses in variable emvironments,” Institute of
    Science and Technology Austria, 2016.
  ista: Novak S. 2016. Evolutionary proccesses in variable emvironments. Institute
    of Science and Technology Austria.
  mla: Novak, Sebastian. <i>Evolutionary Proccesses in Variable Emvironments</i>.
    Institute of Science and Technology Austria, 2016.
  short: S. Novak, Evolutionary Proccesses in Variable Emvironments, Institute of
    Science and Technology Austria, 2016.
corr_author: '1'
date_created: 2018-12-11T11:50:17Z
date_published: 2016-07-01T00:00:00Z
date_updated: 2026-04-09T14:25:34Z
day: '01'
ddc:
- '576'
degree_awarded: PhD
department:
- _id: NiBa
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language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: '124'
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '6235'
related_material:
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  - id: '2023'
    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
title: Evolutionary proccesses in variable emvironments
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2016'
...
---
_id: '1662'
abstract:
- lang: eng
  text: We introduce a modification of the classic notion of intrinsic volume using
    persistence moments of height functions. Evaluating the modified first intrinsic
    volume on digital approximations of a compact body with smoothly embedded boundary
    in Rn, we prove convergence to the first intrinsic volume of the body as the resolution
    of the approximation improves. We have weaker results for the other modified intrinsic
    volumes, proving they converge to the corresponding intrinsic volumes of the n-dimensional
    unit ball.
acknowledgement: "This research is partially supported by the Toposys project FP7-ICT-318493-STREP,
  and by ESF under the ACAT Research Network Programme.\r\nBoth authors thank Anne
  Marie Svane for her comments on an early version of this paper. The second author
  wishes to thank Eva B. Vedel Jensen and Markus Kiderlen from Aarhus University for
  enlightening discussions and their kind hospitality during a visit of their department
  in 2014."
article_processing_charge: No
author:
- first_name: Herbert
  full_name: Edelsbrunner, Herbert
  id: 3FB178DA-F248-11E8-B48F-1D18A9856A87
  last_name: Edelsbrunner
  orcid: 0000-0002-9823-6833
- first_name: Florian
  full_name: Pausinger, Florian
  id: 2A77D7A2-F248-11E8-B48F-1D18A9856A87
  last_name: Pausinger
  orcid: 0000-0002-8379-3768
citation:
  ama: Edelsbrunner H, Pausinger F. Approximation and convergence of the intrinsic
    volume. <i>Advances in Mathematics</i>. 2016;287:674-703. doi:<a href="https://doi.org/10.1016/j.aim.2015.10.004">10.1016/j.aim.2015.10.004</a>
  apa: Edelsbrunner, H., &#38; Pausinger, F. (2016). Approximation and convergence
    of the intrinsic volume. <i>Advances in Mathematics</i>. Academic Press. <a href="https://doi.org/10.1016/j.aim.2015.10.004">https://doi.org/10.1016/j.aim.2015.10.004</a>
  chicago: Edelsbrunner, Herbert, and Florian Pausinger. “Approximation and Convergence
    of the Intrinsic Volume.” <i>Advances in Mathematics</i>. Academic Press, 2016.
    <a href="https://doi.org/10.1016/j.aim.2015.10.004">https://doi.org/10.1016/j.aim.2015.10.004</a>.
  ieee: H. Edelsbrunner and F. Pausinger, “Approximation and convergence of the intrinsic
    volume,” <i>Advances in Mathematics</i>, vol. 287. Academic Press, pp. 674–703,
    2016.
  ista: Edelsbrunner H, Pausinger F. 2016. Approximation and convergence of the intrinsic
    volume. Advances in Mathematics. 287, 674–703.
  mla: Edelsbrunner, Herbert, and Florian Pausinger. “Approximation and Convergence
    of the Intrinsic Volume.” <i>Advances in Mathematics</i>, vol. 287, Academic Press,
    2016, pp. 674–703, doi:<a href="https://doi.org/10.1016/j.aim.2015.10.004">10.1016/j.aim.2015.10.004</a>.
  short: H. Edelsbrunner, F. Pausinger, Advances in Mathematics 287 (2016) 674–703.
corr_author: '1'
date_created: 2018-12-11T11:53:20Z
date_published: 2016-01-10T00:00:00Z
date_updated: 2026-04-09T14:26:05Z
day: '10'
ddc:
- '004'
department:
- _id: HeEd
doi: 10.1016/j.aim.2015.10.004
ec_funded: 1
external_id:
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  - '000375634100016'
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intvolume: '       287'
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language:
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month: '01'
oa: 1
oa_version: Published Version
page: 674 - 703
project:
- _id: 255D761E-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '318493'
  name: Topological Complex Systems
publication: Advances in Mathematics
publication_status: published
publisher: Academic Press
publist_id: '5488'
pubrep_id: '774'
quality_controlled: '1'
related_material:
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scopus_import: '1'
status: public
title: Approximation and convergence of the intrinsic volume
tmp:
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    (CC BY-NC-ND 4.0)
  short: CC BY-NC-ND (4.0)
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 287
year: '2016'
...
---
_id: '1093'
abstract:
- lang: eng
  text: 'We introduce a general class of distances (metrics) between Markov chains,
    which are based on linear behaviour. This class encompasses distances given topologically
    (such as the total variation distance or trace distance) as well as by temporal
    logics or automata. We investigate which of the distances can be approximated
    by observing the systems, i.e. by black-box testing or simulation, and we provide
    both negative and positive results. '
acknowledgement: "This research was funded in part by the European Research Council
  (ERC) under grant agreement 267989\r\n(QUAREM), the Austrian Science Fund (FWF)
  under grants project S11402-N23 (RiSE and SHiNE)\r\nand Z211-N23 (Wittgenstein Award),
  by the Czech Science Foundation Grant No. P202/12/G061, and\r\nby the SNSF Advanced
  Postdoc. Mobility Fellowship – grant number P300P2_161067."
alternative_title:
- LIPIcs
article_number: '20'
author:
- first_name: Przemyslaw
  full_name: Daca, Przemyslaw
  id: 49351290-F248-11E8-B48F-1D18A9856A87
  last_name: Daca
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
- first_name: Jan
  full_name: Kretinsky, Jan
  id: 44CEF464-F248-11E8-B48F-1D18A9856A87
  last_name: Kretinsky
  orcid: 0000-0002-8122-2881
- first_name: Tatjana
  full_name: Petrov, Tatjana
  id: 3D5811FC-F248-11E8-B48F-1D18A9856A87
  last_name: Petrov
  orcid: 0000-0002-9041-0905
citation:
  ama: 'Daca P, Henzinger TA, Kretinsky J, Petrov T. Linear distances between Markov
    chains. In: Vol 59. Schloss Dagstuhl - Leibniz-Zentrum für Informatik; 2016. doi:<a
    href="https://doi.org/10.4230/LIPIcs.CONCUR.2016.20">10.4230/LIPIcs.CONCUR.2016.20</a>'
  apa: 'Daca, P., Henzinger, T. A., Kretinsky, J., &#38; Petrov, T. (2016). Linear
    distances between Markov chains (Vol. 59). Presented at the CONCUR: Concurrency
    Theory, Quebec City; Canada: Schloss Dagstuhl - Leibniz-Zentrum für Informatik.
    <a href="https://doi.org/10.4230/LIPIcs.CONCUR.2016.20">https://doi.org/10.4230/LIPIcs.CONCUR.2016.20</a>'
  chicago: Daca, Przemyslaw, Thomas A Henzinger, Jan Kretinsky, and Tatjana Petrov.
    “Linear Distances between Markov Chains,” Vol. 59. Schloss Dagstuhl - Leibniz-Zentrum
    für Informatik, 2016. <a href="https://doi.org/10.4230/LIPIcs.CONCUR.2016.20">https://doi.org/10.4230/LIPIcs.CONCUR.2016.20</a>.
  ieee: 'P. Daca, T. A. Henzinger, J. Kretinsky, and T. Petrov, “Linear distances
    between Markov chains,” presented at the CONCUR: Concurrency Theory, Quebec City;
    Canada, 2016, vol. 59.'
  ista: 'Daca P, Henzinger TA, Kretinsky J, Petrov T. 2016. Linear distances between
    Markov chains. CONCUR: Concurrency Theory, LIPIcs, vol. 59, 20.'
  mla: Daca, Przemyslaw, et al. <i>Linear Distances between Markov Chains</i>. Vol.
    59, 20, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2016, doi:<a href="https://doi.org/10.4230/LIPIcs.CONCUR.2016.20">10.4230/LIPIcs.CONCUR.2016.20</a>.
  short: P. Daca, T.A. Henzinger, J. Kretinsky, T. Petrov, in:, Schloss Dagstuhl -
    Leibniz-Zentrum für Informatik, 2016.
conference:
  end_date: 2016-08-26
  location: Quebec City; Canada
  name: 'CONCUR: Concurrency Theory'
  start_date: 2016-08-23
date_created: 2018-12-11T11:50:06Z
date_published: 2016-08-01T00:00:00Z
date_updated: 2026-04-15T10:02:12Z
day: '01'
ddc:
- '004'
department:
- _id: ToHe
- _id: KrCh
- _id: CaGu
doi: 10.4230/LIPIcs.CONCUR.2016.20
ec_funded: 1
file:
- access_level: open_access
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:11:39Z
  date_updated: 2018-12-12T10:11:39Z
  file_id: '4895'
  file_name: IST-2017-794-v1+1_LIPIcs-CONCUR-2016-20.pdf
  file_size: 501827
  relation: main_file
file_date_updated: 2018-12-12T10:11:39Z
has_accepted_license: '1'
intvolume: '        59'
language:
- iso: eng
month: '08'
oa: 1
oa_version: Published Version
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
publication_status: published
publisher: Schloss Dagstuhl - Leibniz-Zentrum für Informatik
publist_id: '6283'
pubrep_id: '794'
quality_controlled: '1'
related_material:
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  - id: '1155'
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    status: public
scopus_import: 1
status: public
title: Linear distances between Markov chains
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  legal_code_url: https://creativecommons.org/licenses/by/4.0/legalcode
  name: Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)
  short: CC BY (4.0)
type: conference
user_id: 3E5EF7F0-F248-11E8-B48F-1D18A9856A87
volume: 59
year: '2016'
...
---
_id: '1234'
abstract:
- lang: eng
  text: We present a new algorithm for the statistical model checking of Markov chains
    with respect to unbounded temporal properties, including full linear temporal
    logic. The main idea is that we monitor each simulation run on the fly, in order
    to detect quickly if a bottom strongly connected component is entered with high
    probability, in which case the simulation run can be terminated early. As a result,
    our simulation runs are often much shorter than required by termination bounds
    that are computed a priori for a desired level of confidence on a large state
    space. In comparison to previous algorithms for statistical model checking our
    method is not only faster in many cases but also requires less information about
    the system, namely, only the minimum transition probability that occurs in the
    Markov chain. In addition, our method can be generalised to unbounded quantitative
    properties such as mean-payoff bounds.
acknowledgement: "This research was funded in part by the European Research Council
  (ERC) under\r\ngrant  agreement  267989  (QUAREM),  the  Austrian  Science  Fund
  \ (FWF)  under\r\ngrants project S11402-N23 (RiSE) and Z211-N23 (Wittgenstein Award),
  the Peo-\r\nple Programme (Marie Curie Actions) of the European Union’s Seventh
  Framework\r\nProgramme (FP7/2007-2013) REA Grant No 291734, the SNSF Advanced Postdoc.\r\nMobility
  Fellowship – grant number P300P2\r\n161067, and the Czech Science Foun-\r\ndation
  under grant agreement P202/12/G061."
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Przemyslaw
  full_name: Daca, Przemyslaw
  id: 49351290-F248-11E8-B48F-1D18A9856A87
  last_name: Daca
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
- first_name: Jan
  full_name: Kretinsky, Jan
  id: 44CEF464-F248-11E8-B48F-1D18A9856A87
  last_name: Kretinsky
  orcid: 0000-0002-8122-2881
- first_name: Tatjana
  full_name: Petrov, Tatjana
  id: 3D5811FC-F248-11E8-B48F-1D18A9856A87
  last_name: Petrov
  orcid: 0000-0002-9041-0905
citation:
  ama: 'Daca P, Henzinger TA, Kretinsky J, Petrov T. Faster statistical model checking
    for unbounded temporal properties. In: Vol 9636. Springer; 2016:112-129. doi:<a
    href="https://doi.org/10.1007/978-3-662-49674-9_7">10.1007/978-3-662-49674-9_7</a>'
  apa: 'Daca, P., Henzinger, T. A., Kretinsky, J., &#38; Petrov, T. (2016). Faster
    statistical model checking for unbounded temporal properties (Vol. 9636, pp. 112–129).
    Presented at the TACAS: Tools and Algorithms for the Construction and Analysis
    of Systems, Eindhoven, The Netherlands: Springer. <a href="https://doi.org/10.1007/978-3-662-49674-9_7">https://doi.org/10.1007/978-3-662-49674-9_7</a>'
  chicago: Daca, Przemyslaw, Thomas A Henzinger, Jan Kretinsky, and Tatjana Petrov.
    “Faster Statistical Model Checking for Unbounded Temporal Properties,” 9636:112–29.
    Springer, 2016. <a href="https://doi.org/10.1007/978-3-662-49674-9_7">https://doi.org/10.1007/978-3-662-49674-9_7</a>.
  ieee: 'P. Daca, T. A. Henzinger, J. Kretinsky, and T. Petrov, “Faster statistical
    model checking for unbounded temporal properties,” presented at the TACAS: Tools
    and Algorithms for the Construction and Analysis of Systems, Eindhoven, The Netherlands,
    2016, vol. 9636, pp. 112–129.'
  ista: 'Daca P, Henzinger TA, Kretinsky J, Petrov T. 2016. Faster statistical model
    checking for unbounded temporal properties. TACAS: Tools and Algorithms for the
    Construction and Analysis of Systems, LNCS, vol. 9636, 112–129.'
  mla: Daca, Przemyslaw, et al. <i>Faster Statistical Model Checking for Unbounded
    Temporal Properties</i>. Vol. 9636, Springer, 2016, pp. 112–29, doi:<a href="https://doi.org/10.1007/978-3-662-49674-9_7">10.1007/978-3-662-49674-9_7</a>.
  short: P. Daca, T.A. Henzinger, J. Kretinsky, T. Petrov, in:, Springer, 2016, pp.
    112–129.
conference:
  end_date: 2016-04-08
  location: Eindhoven, The Netherlands
  name: 'TACAS: Tools and Algorithms for the Construction and Analysis of Systems'
  start_date: 2016-04-02
date_created: 2018-12-11T11:50:51Z
date_published: 2016-01-01T00:00:00Z
date_updated: 2026-04-15T10:02:12Z
day: '01'
department:
- _id: ToHe
- _id: CaGu
doi: 10.1007/978-3-662-49674-9_7
ec_funded: 1
external_id:
  arxiv:
  - '1504.05739'
  isi:
  - '000406428000007'
intvolume: '      9636'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/1504.05739
month: '01'
oa: 1
oa_version: Preprint
page: 112 - 129
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
- _id: 25681D80-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '291734'
  name: International IST Postdoc Fellowship Programme
publication_status: published
publisher: Springer
publist_id: '6099'
quality_controlled: '1'
related_material:
  record:
  - id: '471'
    relation: later_version
    status: public
  - id: '1155'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Faster statistical model checking for unbounded temporal properties
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9636
year: '2016'
...
---
_id: '1391'
abstract:
- lang: eng
  text: "We present an extension to the quantifier-free theory of integer arrays which
    allows us to express counting. The properties expressible in Array Folds Logic
    (AFL) include statements such as &quot;the first array cell contains the array
    length,&quot; and &quot;the array contains equally many minimal and maximal elements.&quot;
    These properties cannot be expressed in quantified fragments of the theory of
    arrays, nor in the theory of concatenation. Using reduction to counter machines,
    we show that the satisfiability problem of AFL is PSPACE-complete, and with a
    natural restriction the complexity decreases to NP. We also show that adding either
    universal quantifiers or concatenation leads to undecidability.\r\nAFL contains
    terms that fold a function over an array. We demonstrate that folding, a well-known
    concept from functional languages, allows us to concisely summarize loops that
    count over arrays, which occurs frequently in real-life programs. We provide a
    tool that can discharge proof obligations in AFL, and we demonstrate on practical
    examples that our decision procedure can solve a broad range of problems in symbolic
    testing and program verification."
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Przemyslaw
  full_name: Daca, Przemyslaw
  id: 49351290-F248-11E8-B48F-1D18A9856A87
  last_name: Daca
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
- first_name: Andrey
  full_name: Kupriyanov, Andrey
  id: 2C311BF8-F248-11E8-B48F-1D18A9856A87
  last_name: Kupriyanov
citation:
  ama: 'Daca P, Henzinger TA, Kupriyanov A. Array folds logic. In: Vol 9780. Springer;
    2016:230-248. doi:<a href="https://doi.org/10.1007/978-3-319-41540-6_13">10.1007/978-3-319-41540-6_13</a>'
  apa: 'Daca, P., Henzinger, T. A., &#38; Kupriyanov, A. (2016). Array folds logic
    (Vol. 9780, pp. 230–248). Presented at the CAV: Computer Aided Verification, Toronto,
    Canada: Springer. <a href="https://doi.org/10.1007/978-3-319-41540-6_13">https://doi.org/10.1007/978-3-319-41540-6_13</a>'
  chicago: Daca, Przemyslaw, Thomas A Henzinger, and Andrey Kupriyanov. “Array Folds
    Logic,” 9780:230–48. Springer, 2016. <a href="https://doi.org/10.1007/978-3-319-41540-6_13">https://doi.org/10.1007/978-3-319-41540-6_13</a>.
  ieee: 'P. Daca, T. A. Henzinger, and A. Kupriyanov, “Array folds logic,” presented
    at the CAV: Computer Aided Verification, Toronto, Canada, 2016, vol. 9780, pp.
    230–248.'
  ista: 'Daca P, Henzinger TA, Kupriyanov A. 2016. Array folds logic. CAV: Computer
    Aided Verification, LNCS, vol. 9780, 230–248.'
  mla: Daca, Przemyslaw, et al. <i>Array Folds Logic</i>. Vol. 9780, Springer, 2016,
    pp. 230–48, doi:<a href="https://doi.org/10.1007/978-3-319-41540-6_13">10.1007/978-3-319-41540-6_13</a>.
  short: P. Daca, T.A. Henzinger, A. Kupriyanov, in:, Springer, 2016, pp. 230–248.
conference:
  end_date: 2016-07-23
  location: Toronto, Canada
  name: 'CAV: Computer Aided Verification'
  start_date: 2016-07-17
corr_author: '1'
date_created: 2018-12-11T11:51:45Z
date_published: 2016-07-13T00:00:00Z
date_updated: 2026-04-15T10:02:12Z
day: '13'
department:
- _id: ToHe
doi: 10.1007/978-3-319-41540-6_13
ec_funded: 1
external_id:
  arxiv:
  - '1603.06850'
  isi:
  - '000387731400013'
intvolume: '      9780'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: http://arxiv.org/abs/1603.06850
month: '07'
oa: 1
oa_version: Preprint
page: 230 - 248
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
publication_status: published
publisher: Springer
publist_id: '5818'
quality_controlled: '1'
related_material:
  record:
  - id: '1155'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Array folds logic
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9780
year: '2016'
...
---
_id: '1230'
abstract:
- lang: eng
  text: Concolic testing is a promising method for generating test suites for large
    programs. However, it suffers from the path-explosion problem and often fails
    to find tests that cover difficult-to-reach parts of programs. In contrast, model
    checkers based on counterexample-guided abstraction refinement explore programs
    exhaustively, while failing to scale on large programs with precision. In this
    paper, we present a novel method that iteratively combines concolic testing and
    model checking to find a test suite for a given coverage criterion. If concolic
    testing fails to cover some test goals, then the model checker refines its program
    abstraction to prove more paths infeasible, which reduces the search space for
    concolic testing. We have implemented our method on top of the concolictesting
    tool Crest and the model checker CpaChecker. We evaluated our tool on a collection
    of programs and a category of SvComp benchmarks. In our experiments, we observed
    an improvement in branch coverage compared to Crest from 48% to 63% in the best
    case, and from 66% to 71% on average.
acknowledgement: "We thank Andrey Kupriyanov for feedback on the manuscript,\r\nand
  Michael Tautschnig for help with preparing the experiments. This research was supported
  in part by the European Research Council (ERC) under grant 267989 (QUAREM) and by
  the Austrian Science Fund (FWF) under grants S11402-N23 (RiSE) and Z211-N23 (Wittgenstein
  Award)."
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Przemyslaw
  full_name: Daca, Przemyslaw
  id: 49351290-F248-11E8-B48F-1D18A9856A87
  last_name: Daca
- first_name: Ashutosh
  full_name: Gupta, Ashutosh
  id: 335E5684-F248-11E8-B48F-1D18A9856A87
  last_name: Gupta
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
citation:
  ama: 'Daca P, Gupta A, Henzinger TA. Abstraction-driven concolic testing. In: Vol
    9583. Springer; 2016:328-347. doi:<a href="https://doi.org/10.1007/978-3-662-49122-5_16">10.1007/978-3-662-49122-5_16</a>'
  apa: 'Daca, P., Gupta, A., &#38; Henzinger, T. A. (2016). Abstraction-driven concolic
    testing (Vol. 9583, pp. 328–347). Presented at the VMCAI: Verification, Model
    Checking and Abstract Interpretation, St. Petersburg, FL, USA: Springer. <a href="https://doi.org/10.1007/978-3-662-49122-5_16">https://doi.org/10.1007/978-3-662-49122-5_16</a>'
  chicago: Daca, Przemyslaw, Ashutosh Gupta, and Thomas A Henzinger. “Abstraction-Driven
    Concolic Testing,” 9583:328–47. Springer, 2016. <a href="https://doi.org/10.1007/978-3-662-49122-5_16">https://doi.org/10.1007/978-3-662-49122-5_16</a>.
  ieee: 'P. Daca, A. Gupta, and T. A. Henzinger, “Abstraction-driven concolic testing,”
    presented at the VMCAI: Verification, Model Checking and Abstract Interpretation,
    St. Petersburg, FL, USA, 2016, vol. 9583, pp. 328–347.'
  ista: 'Daca P, Gupta A, Henzinger TA. 2016. Abstraction-driven concolic testing.
    VMCAI: Verification, Model Checking and Abstract Interpretation, LNCS, vol. 9583,
    328–347.'
  mla: Daca, Przemyslaw, et al. <i>Abstraction-Driven Concolic Testing</i>. Vol. 9583,
    Springer, 2016, pp. 328–47, doi:<a href="https://doi.org/10.1007/978-3-662-49122-5_16">10.1007/978-3-662-49122-5_16</a>.
  short: P. Daca, A. Gupta, T.A. Henzinger, in:, Springer, 2016, pp. 328–347.
conference:
  end_date: 2016-01-19
  location: St. Petersburg, FL, USA
  name: 'VMCAI: Verification, Model Checking and Abstract Interpretation'
  start_date: 2016-01-17
date_created: 2018-12-11T11:50:50Z
date_published: 2016-01-01T00:00:00Z
date_updated: 2026-04-15T10:02:12Z
day: '01'
department:
- _id: ToHe
doi: 10.1007/978-3-662-49122-5_16
ec_funded: 1
external_id:
  arxiv:
  - '1511.02615'
  isi:
  - '000375148800016'
intvolume: '      9583'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: https://arxiv.org/abs/1511.02615
month: '01'
oa: 1
oa_version: Preprint
page: 328 - 347
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
publication_status: published
publisher: Springer
publist_id: '6104'
quality_controlled: '1'
related_material:
  record:
  - id: '1155'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Abstraction-driven concolic testing
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9583
year: '2016'
...
---
OA_type: closed access
_id: '21522'
abstract:
- lang: eng
  text: In this Letter, we demonstrate highly efficient, polarization-insensitive
    planar lenses (metalenses) at red, green, and blue wavelengths (λ = 660, 532,
    and 405 nm). Metalenses with numerical apertures (NA) of 0.85 and 0.6 and corresponding
    efficiencies as high as 60% and 90% are achieved. These metalenses are less than
    600 nm-thick and can focus incident light down to diffraction-limited spots as
    small as ∼0.64λ and provide high-resolution imaging. In addition, the focal spots
    are very symmetric with high Strehl ratios. The single step lithography and compatibility
    with large-scale fabrication processes make metalenses highly promising for widespread
    applications in imaging and spectroscopy.
article_processing_charge: No
article_type: original
author:
- first_name: M.
  full_name: Khorasaninejad, M.
  last_name: Khorasaninejad
- first_name: A. Y.
  full_name: Zhu, A. Y.
  last_name: Zhu
- first_name: Charles
  full_name: Roques-Carmes, Charles
  id: e2e68fc9-6505-11ef-a541-eb4e72cc3e82
  last_name: Roques-Carmes
- first_name: W. T.
  full_name: Chen, W. T.
  last_name: Chen
- first_name: J.
  full_name: Oh, J.
  last_name: Oh
- first_name: I.
  full_name: Mishra, I.
  last_name: Mishra
- first_name: R. C.
  full_name: Devlin, R. C.
  last_name: Devlin
- first_name: F.
  full_name: Capasso, F.
  last_name: Capasso
citation:
  ama: Khorasaninejad M, Zhu AY, Roques-Carmes C, et al. Polarization-insensitive
    metalenses at visible wavelengths. <i>Nano Letters</i>. 2016;16(11):7229-7234.
    doi:<a href="https://doi.org/10.1021/acs.nanolett.6b03626">10.1021/acs.nanolett.6b03626</a>
  apa: Khorasaninejad, M., Zhu, A. Y., Roques-Carmes, C., Chen, W. T., Oh, J., Mishra,
    I., … Capasso, F. (2016). Polarization-insensitive metalenses at visible wavelengths.
    <i>Nano Letters</i>. American Chemical Society. <a href="https://doi.org/10.1021/acs.nanolett.6b03626">https://doi.org/10.1021/acs.nanolett.6b03626</a>
  chicago: Khorasaninejad, M., A. Y. Zhu, Charles Roques-Carmes, W. T. Chen, J. Oh,
    I. Mishra, R. C. Devlin, and F. Capasso. “Polarization-Insensitive Metalenses
    at Visible Wavelengths.” <i>Nano Letters</i>. American Chemical Society, 2016.
    <a href="https://doi.org/10.1021/acs.nanolett.6b03626">https://doi.org/10.1021/acs.nanolett.6b03626</a>.
  ieee: M. Khorasaninejad <i>et al.</i>, “Polarization-insensitive metalenses at visible
    wavelengths,” <i>Nano Letters</i>, vol. 16, no. 11. American Chemical Society,
    pp. 7229–7234, 2016.
  ista: Khorasaninejad M, Zhu AY, Roques-Carmes C, Chen WT, Oh J, Mishra I, Devlin
    RC, Capasso F. 2016. Polarization-insensitive metalenses at visible wavelengths.
    Nano Letters. 16(11), 7229–7234.
  mla: Khorasaninejad, M., et al. “Polarization-Insensitive Metalenses at Visible
    Wavelengths.” <i>Nano Letters</i>, vol. 16, no. 11, American Chemical Society,
    2016, pp. 7229–34, doi:<a href="https://doi.org/10.1021/acs.nanolett.6b03626">10.1021/acs.nanolett.6b03626</a>.
  short: M. Khorasaninejad, A.Y. Zhu, C. Roques-Carmes, W.T. Chen, J. Oh, I. Mishra,
    R.C. Devlin, F. Capasso, Nano Letters 16 (2016) 7229–7234.
date_created: 2026-03-30T12:22:47Z
date_published: 2016-10-24T00:00:00Z
date_updated: 2026-04-15T11:53:17Z
day: '24'
ddc:
- '530'
doi: 10.1021/acs.nanolett.6b03626
extern: '1'
external_id:
  pmid:
  - '27791380'
intvolume: '        16'
issue: '11'
keyword:
- Metasurface
- polarization-insensitive metalenses
- visible wavelength
- titanium dioxide
language:
- iso: eng
month: '10'
oa_version: None
page: 7229-7234
pmid: 1
publication: Nano Letters
publication_identifier:
  eissn:
  - 1530-6992
  issn:
  - 1530-6984
publication_status: published
publisher: American Chemical Society
quality_controlled: '1'
scopus_import: '1'
status: public
title: Polarization-insensitive metalenses at visible wavelengths
type: journal_article
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 16
year: '2016'
...
---
_id: '1341'
abstract:
- lang: eng
  text: In resource allocation games, selfish players share resources that are needed
    in order to fulfill their objectives. The cost of using a resource depends on
    the load on it. In the traditional setting, the players make their choices concurrently
    and in one-shot. That is, a strategy for a player is a subset of the resources.
    We introduce and study dynamic resource allocation games. In this setting, the
    game proceeds in phases. In each phase each player chooses one resource. A scheduler
    dictates the order in which the players proceed in a phase, possibly scheduling
    several players to proceed concurrently. The game ends when each player has collected
    a set of resources that fulfills his objective. The cost for each player then
    depends on this set as well as on the load on the resources in it – we consider
    both congestion and cost-sharing games. We argue that the dynamic setting is the
    suitable setting for many applications in practice. We study the stability of
    dynamic resource allocation games, where the appropriate notion of stability is
    that of subgame perfect equilibrium, study the inefficiency incurred due to selfish
    behavior, and also study problems that are particular to the dynamic setting,
    like constraints on the order in which resources can be chosen or the problem
    of finding a scheduler that achieves stability.
acknowledgement: This research was supported in part by the European Research Council
  (ERC) under grants 267989 (QUAREM) and 278410 (QUALITY), and by the Austrian Science
  Fund (FWF) under grants S11402-N23 (RiSE) and Z211-N23 (Wittgenstein Award).
alternative_title:
- LNCS
article_processing_charge: No
author:
- first_name: Guy
  full_name: Avni, Guy
  id: 463C8BC2-F248-11E8-B48F-1D18A9856A87
  last_name: Avni
  orcid: 0000-0001-5588-8287
- first_name: Thomas A
  full_name: Henzinger, Thomas A
  id: 40876CD8-F248-11E8-B48F-1D18A9856A87
  last_name: Henzinger
  orcid: 0000−0002−2985−7724
- first_name: Orna
  full_name: Kupferman, Orna
  last_name: Kupferman
citation:
  ama: 'Avni G, Henzinger TA, Kupferman O. Dynamic resource allocation games. In:
    Vol 9928. Springer; 2016:153-166. doi:<a href="https://doi.org/10.1007/978-3-662-53354-3_13">10.1007/978-3-662-53354-3_13</a>'
  apa: 'Avni, G., Henzinger, T. A., &#38; Kupferman, O. (2016). Dynamic resource allocation
    games (Vol. 9928, pp. 153–166). Presented at the SAGT: Symposium on Algorithmic
    Game Theory, Liverpool, United Kingdom: Springer. <a href="https://doi.org/10.1007/978-3-662-53354-3_13">https://doi.org/10.1007/978-3-662-53354-3_13</a>'
  chicago: Avni, Guy, Thomas A Henzinger, and Orna Kupferman. “Dynamic Resource Allocation
    Games,” 9928:153–66. Springer, 2016. <a href="https://doi.org/10.1007/978-3-662-53354-3_13">https://doi.org/10.1007/978-3-662-53354-3_13</a>.
  ieee: 'G. Avni, T. A. Henzinger, and O. Kupferman, “Dynamic resource allocation
    games,” presented at the SAGT: Symposium on Algorithmic Game Theory, Liverpool,
    United Kingdom, 2016, vol. 9928, pp. 153–166.'
  ista: 'Avni G, Henzinger TA, Kupferman O. 2016. Dynamic resource allocation games.
    SAGT: Symposium on Algorithmic Game Theory, LNCS, vol. 9928, 153–166.'
  mla: Avni, Guy, et al. <i>Dynamic Resource Allocation Games</i>. Vol. 9928, Springer,
    2016, pp. 153–66, doi:<a href="https://doi.org/10.1007/978-3-662-53354-3_13">10.1007/978-3-662-53354-3_13</a>.
  short: G. Avni, T.A. Henzinger, O. Kupferman, in:, Springer, 2016, pp. 153–166.
conference:
  end_date: 2016-09-21
  location: Liverpool, United Kingdom
  name: 'SAGT: Symposium on Algorithmic Game Theory'
  start_date: 2016-09-19
corr_author: '1'
date_created: 2018-12-11T11:51:28Z
date_published: 2016-09-01T00:00:00Z
date_updated: 2026-04-16T09:35:14Z
day: '01'
ddc:
- '000'
department:
- _id: ToHe
doi: 10.1007/978-3-662-53354-3_13
ec_funded: 1
external_id:
  isi:
  - '000389020400013'
file:
- access_level: open_access
  checksum: 0825eefd4e22774f6f62cb7d7389b05a
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:14:22Z
  date_updated: 2020-07-14T12:44:45Z
  file_id: '5073'
  file_name: IST-2016-645-v1+1_sagt-cr.pdf
  file_size: 243458
  relation: main_file
file_date_updated: 2020-07-14T12:44:45Z
has_accepted_license: '1'
intvolume: '      9928'
isi: 1
language:
- iso: eng
month: '09'
oa: 1
oa_version: Preprint
page: 153 - 166
project:
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25F42A32-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: Z211
  name: Formal methods for the design and analysis of complex systems
publication_status: published
publisher: Springer
publist_id: '5926'
pubrep_id: '645'
quality_controlled: '1'
related_material:
  record:
  - id: '6761'
    relation: later_version
    status: public
scopus_import: '1'
status: public
title: Dynamic resource allocation games
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9928
year: '2016'
...
---
_id: '1321'
abstract:
- lang: eng
  text: Most migrating cells extrude their front by the force of actin polymerization.
    Polymerization requires an initial nucleation step, which is mediated by factors
    establishing either parallel filaments in the case of filopodia or branched filaments
    that form the branched lamellipodial network. Branches are considered essential
    for regular cell motility and are initiated by the Arp2/3 complex, which in turn
    is activated by nucleation-promoting factors of the WASP and WAVE families. Here
    we employed rapid amoeboid crawling leukocytes and found that deletion of the
    WAVE complex eliminated actin branching and thus lamellipodia formation. The cells
    were left with parallel filaments at the leading edge, which translated, depending
    on the differentiation status of the cell, into a unipolar pointed cell shape
    or cells with multiple filopodia. Remarkably, unipolar cells migrated with increased
    speed and enormous directional persistence, while they were unable to turn towards
    chemotactic gradients. Cells with multiple filopodia retained chemotactic activity
    but their migration was progressively impaired with increasing geometrical complexity
    of the extracellular environment. These findings establish that diversified leading
    edge protrusions serve as explorative structures while they slow down actual locomotion.
acknowledged_ssus:
- _id: SSU
acknowledgement: "This work was supported by the German Research Foundation (DFG)
  Priority Program SP 1464 to T.E.B.S. and M.S., and European Research Council (ERC
  GA 281556) and Human Frontiers Program grants to M.S.\r\nService Units of IST Austria
  for excellent technical support."
article_processing_charge: No
article_type: original
author:
- first_name: Alexander F
  full_name: Leithner, Alexander F
  id: 3B1B77E4-F248-11E8-B48F-1D18A9856A87
  last_name: Leithner
  orcid: 0000-0002-1073-744X
- first_name: Alexander
  full_name: Eichner, Alexander
  id: 4DFA52AE-F248-11E8-B48F-1D18A9856A87
  last_name: Eichner
- first_name: Jan
  full_name: Müller, Jan
  id: AD07FDB4-0F61-11EA-8158-C4CC64CEAA8D
  last_name: Müller
- first_name: Anne
  full_name: Reversat, Anne
  id: 35B76592-F248-11E8-B48F-1D18A9856A87
  last_name: Reversat
  orcid: 0000-0003-0666-8928
- first_name: Markus
  full_name: Brown, Markus
  id: 3DAB9AFC-F248-11E8-B48F-1D18A9856A87
  last_name: Brown
- first_name: Jan
  full_name: Schwarz, Jan
  id: 346C1EC6-F248-11E8-B48F-1D18A9856A87
  last_name: Schwarz
- first_name: Jack
  full_name: Merrin, Jack
  id: 4515C308-F248-11E8-B48F-1D18A9856A87
  last_name: Merrin
  orcid: 0000-0001-5145-4609
- first_name: David
  full_name: De Gorter, David
  last_name: De Gorter
- first_name: Florian
  full_name: Schur, Florian
  id: 48AD8942-F248-11E8-B48F-1D18A9856A87
  last_name: Schur
  orcid: 0000-0003-4790-8078
- first_name: Jonathan
  full_name: Bayerl, Jonathan
  last_name: Bayerl
- first_name: Ingrid
  full_name: De Vries, Ingrid
  id: 4C7D837E-F248-11E8-B48F-1D18A9856A87
  last_name: De Vries
- first_name: Stefan
  full_name: Wieser, Stefan
  id: 355AA5A0-F248-11E8-B48F-1D18A9856A87
  last_name: Wieser
  orcid: 0000-0002-2670-2217
- first_name: Robert
  full_name: Hauschild, Robert
  id: 4E01D6B4-F248-11E8-B48F-1D18A9856A87
  last_name: Hauschild
  orcid: 0000-0001-9843-3522
- first_name: Frank
  full_name: Lai, Frank
  last_name: Lai
- first_name: Markus
  full_name: Moser, Markus
  last_name: Moser
- first_name: Dontscho
  full_name: Kerjaschki, Dontscho
  last_name: Kerjaschki
- first_name: Klemens
  full_name: Rottner, Klemens
  last_name: Rottner
- first_name: Victor
  full_name: Small, Victor
  last_name: Small
- first_name: Theresia
  full_name: Stradal, Theresia
  last_name: Stradal
- first_name: Michael K
  full_name: Sixt, Michael K
  id: 41E9FBEA-F248-11E8-B48F-1D18A9856A87
  last_name: Sixt
  orcid: 0000-0002-6620-9179
citation:
  ama: Leithner AF, Eichner A, Müller J, et al. Diversified actin protrusions promote
    environmental exploration but are dispensable for locomotion of leukocytes. <i>Nature
    Cell Biology</i>. 2016;18:1253-1259. doi:<a href="https://doi.org/10.1038/ncb3426">10.1038/ncb3426</a>
  apa: Leithner, A. F., Eichner, A., Müller, J., Reversat, A., Brown, M., Schwarz,
    J., … Sixt, M. K. (2016). Diversified actin protrusions promote environmental
    exploration but are dispensable for locomotion of leukocytes. <i>Nature Cell Biology</i>.
    Nature Publishing Group. <a href="https://doi.org/10.1038/ncb3426">https://doi.org/10.1038/ncb3426</a>
  chicago: Leithner, Alexander F, Alexander Eichner, Jan Müller, Anne Reversat, Markus
    Brown, Jan Schwarz, Jack Merrin, et al. “Diversified Actin Protrusions Promote
    Environmental Exploration but Are Dispensable for Locomotion of Leukocytes.” <i>Nature
    Cell Biology</i>. Nature Publishing Group, 2016. <a href="https://doi.org/10.1038/ncb3426">https://doi.org/10.1038/ncb3426</a>.
  ieee: A. F. Leithner <i>et al.</i>, “Diversified actin protrusions promote environmental
    exploration but are dispensable for locomotion of leukocytes,” <i>Nature Cell
    Biology</i>, vol. 18. Nature Publishing Group, pp. 1253–1259, 2016.
  ista: Leithner AF, Eichner A, Müller J, Reversat A, Brown M, Schwarz J, Merrin J,
    De Gorter D, Schur FK, Bayerl J, de Vries I, Wieser S, Hauschild R, Lai F, Moser
    M, Kerjaschki D, Rottner K, Small V, Stradal T, Sixt MK. 2016. Diversified actin
    protrusions promote environmental exploration but are dispensable for locomotion
    of leukocytes. Nature Cell Biology. 18, 1253–1259.
  mla: Leithner, Alexander F., et al. “Diversified Actin Protrusions Promote Environmental
    Exploration but Are Dispensable for Locomotion of Leukocytes.” <i>Nature Cell
    Biology</i>, vol. 18, Nature Publishing Group, 2016, pp. 1253–59, doi:<a href="https://doi.org/10.1038/ncb3426">10.1038/ncb3426</a>.
  short: A.F. Leithner, A. Eichner, J. Müller, A. Reversat, M. Brown, J. Schwarz,
    J. Merrin, D. De Gorter, F.K. Schur, J. Bayerl, I. de Vries, S. Wieser, R. Hauschild,
    F. Lai, M. Moser, D. Kerjaschki, K. Rottner, V. Small, T. Stradal, M.K. Sixt,
    Nature Cell Biology 18 (2016) 1253–1259.
corr_author: '1'
date_created: 2018-12-11T11:51:21Z
date_published: 2016-10-24T00:00:00Z
date_updated: 2026-04-25T22:30:20Z
day: '24'
ddc:
- '570'
department:
- _id: MiSi
- _id: NanoFab
- _id: Bio
doi: 10.1038/ncb3426
ec_funded: 1
external_id:
  isi:
  - '000387165600018'
file:
- access_level: open_access
  checksum: e1411cb7c99a2d9089c178a6abef25e7
  content_type: application/pdf
  creator: dernst
  date_created: 2020-05-14T16:33:46Z
  date_updated: 2020-07-14T12:44:43Z
  file_id: '7844'
  file_name: 2018_NatureCell_Leithner.pdf
  file_size: 4433280
  relation: main_file
file_date_updated: 2020-07-14T12:44:43Z
has_accepted_license: '1'
intvolume: '        18'
isi: 1
language:
- iso: eng
license: https://creativecommons.org/licenses/by-nc-sa/4.0/
month: '10'
oa: 1
oa_version: Submitted Version
page: 1253 - 1259
project:
- _id: 25A603A2-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '281556'
  name: Cytoskeletal force generation and force transduction of migrating leukocytes
publication: Nature Cell Biology
publication_status: published
publisher: Nature Publishing Group
publist_id: '5949'
quality_controlled: '1'
related_material:
  record:
  - id: '323'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Diversified actin protrusions promote environmental exploration but are dispensable
  for locomotion of leukocytes
tmp:
  image: /images/cc_by_nc_sa.png
  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: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 18
year: '2016'
...
---
_id: '1183'
abstract:
- lang: eng
  text: Autism spectrum disorders (ASD) are a group of genetic disorders often overlapping
    with other neurological conditions. We previously described abnormalities in the
    branched-chain amino acid (BCAA) catabolic pathway as a cause of ASD. Here, we
    show that the solute carrier transporter 7a5 (SLC7A5), a large neutral amino acid
    transporter localized at the blood brain barrier (BBB), has an essential role
    in maintaining normal levels of brain BCAAs. In mice, deletion of Slc7a5 from
    the endothelial cells of the BBB leads to atypical brain amino acid profile, abnormal
    mRNA translation, and severe neurological abnormalities. Furthermore, we identified
    several patients with autistic traits and motor delay carrying deleterious homozygous
    mutations in the SLC7A5 gene. Finally, we demonstrate that BCAA intracerebroventricular
    administration ameliorates abnormal behaviors in adult mutant mice. Our data elucidate
    a neurological syndrome defined by SLC7A5 mutations and support an essential role
    for the BCAA in human brain function.
acknowledgement: "This work was supported by NICHD (P01HD070494) and SFARI (grant
  275275) to J.G.G., and FWF (SFB35_3523) to G.N.\r\nWe thank A.C. Manzano, Mike Liu,
  and F. Marr for technical assistance, and R. Shigemoto and the IST Austria Electron
  Microscopy (EM) Facility for assistance. We acknowledge support from CIDR for genome-wide
  SNP analysis (X01HG008823) and Broad Institute Center for Mendelian Disorders (UM1HG008900
  to D. MacArthur), the Yale Center for Mendelian Disorders (U54HG006504 to M.G.),
  the Gregory M. Kiez and Mehmet Kutman Foundation (M.G.), Italian Ministry of Instruction
  University and Research (PON01_00937 to C.I.), and NIH (R01-GM108911 to A.S.). This
  work was supported by NICHD (P01HD070494) and SFARI (grant 275275) to J.G.G., and
  FWF (SFB35_3523) to G.N.\r\n\r\n#EMFacility"
article_processing_charge: No
article_type: original
author:
- first_name: Dora-Clara
  full_name: Tarlungeanu, Dora-Clara
  id: 2ABCE612-F248-11E8-B48F-1D18A9856A87
  last_name: Tarlungeanu
- first_name: Elena
  full_name: Deliu, Elena
  id: 37A40D7E-F248-11E8-B48F-1D18A9856A87
  last_name: Deliu
  orcid: 0000-0002-7370-5293
- first_name: Christoph
  full_name: Dotter, Christoph
  id: 4C66542E-F248-11E8-B48F-1D18A9856A87
  last_name: Dotter
  orcid: 0000-0002-9033-9096
- first_name: Majdi
  full_name: Kara, Majdi
  last_name: Kara
- first_name: Philipp
  full_name: Janiesch, Philipp
  last_name: Janiesch
- first_name: Mariafrancesca
  full_name: Scalise, Mariafrancesca
  last_name: Scalise
- first_name: Michele
  full_name: Galluccio, Michele
  last_name: Galluccio
- first_name: Mateja
  full_name: Tesulov, Mateja
  last_name: Tesulov
- first_name: Emanuela
  full_name: Morelli, Emanuela
  id: 3F4D1282-F248-11E8-B48F-1D18A9856A87
  last_name: Morelli
- first_name: Fatma
  full_name: Sönmez, Fatma
  last_name: Sönmez
- first_name: Kaya
  full_name: Bilgüvar, Kaya
  last_name: Bilgüvar
- first_name: Ryuichi
  full_name: Ohgaki, Ryuichi
  last_name: Ohgaki
- first_name: Yoshikatsu
  full_name: Kanai, Yoshikatsu
  last_name: Kanai
- first_name: Anide
  full_name: Johansen, Anide
  last_name: Johansen
- first_name: Seham
  full_name: Esharif, Seham
  last_name: Esharif
- first_name: Tawfeg
  full_name: Ben Omran, Tawfeg
  last_name: Ben Omran
- first_name: Meral
  full_name: Topcu, Meral
  last_name: Topcu
- first_name: Avner
  full_name: Schlessinger, Avner
  last_name: Schlessinger
- first_name: Cesare
  full_name: Indiveri, Cesare
  last_name: Indiveri
- first_name: Kent
  full_name: Duncan, Kent
  last_name: Duncan
- first_name: Ahmet
  full_name: Caglayan, Ahmet
  last_name: Caglayan
- first_name: Murat
  full_name: Günel, Murat
  last_name: Günel
- first_name: Joseph
  full_name: Gleeson, Joseph
  last_name: Gleeson
- first_name: Gaia
  full_name: Novarino, Gaia
  id: 3E57A680-F248-11E8-B48F-1D18A9856A87
  last_name: Novarino
  orcid: 0000-0002-7673-7178
citation:
  ama: Tarlungeanu D-C, Deliu E, Dotter C, et al. Impaired amino acid transport at
    the blood brain barrier is a cause of autism spectrum disorder. <i>Cell</i>. 2016;167(6):1481-1494.
    doi:<a href="https://doi.org/10.1016/j.cell.2016.11.013">10.1016/j.cell.2016.11.013</a>
  apa: Tarlungeanu, D.-C., Deliu, E., Dotter, C., Kara, M., Janiesch, P., Scalise,
    M., … Novarino, G. (2016). Impaired amino acid transport at the blood brain barrier
    is a cause of autism spectrum disorder. <i>Cell</i>. Cell Press. <a href="https://doi.org/10.1016/j.cell.2016.11.013">https://doi.org/10.1016/j.cell.2016.11.013</a>
  chicago: Tarlungeanu, Dora-Clara, Elena Deliu, Christoph Dotter, Majdi Kara, Philipp
    Janiesch, Mariafrancesca Scalise, Michele Galluccio, et al. “Impaired Amino Acid
    Transport at the Blood Brain Barrier Is a Cause of Autism Spectrum Disorder.”
    <i>Cell</i>. Cell Press, 2016. <a href="https://doi.org/10.1016/j.cell.2016.11.013">https://doi.org/10.1016/j.cell.2016.11.013</a>.
  ieee: D.-C. Tarlungeanu <i>et al.</i>, “Impaired amino acid transport at the blood
    brain barrier is a cause of autism spectrum disorder,” <i>Cell</i>, vol. 167,
    no. 6. Cell Press, pp. 1481–1494, 2016.
  ista: Tarlungeanu D-C, Deliu E, Dotter C, Kara M, Janiesch P, Scalise M, Galluccio
    M, Tesulov M, Morelli E, Sönmez F, Bilgüvar K, Ohgaki R, Kanai Y, Johansen A,
    Esharif S, Ben Omran T, Topcu M, Schlessinger A, Indiveri C, Duncan K, Caglayan
    A, Günel M, Gleeson J, Novarino G. 2016. Impaired amino acid transport at the
    blood brain barrier is a cause of autism spectrum disorder. Cell. 167(6), 1481–1494.
  mla: Tarlungeanu, Dora-Clara, et al. “Impaired Amino Acid Transport at the Blood
    Brain Barrier Is a Cause of Autism Spectrum Disorder.” <i>Cell</i>, vol. 167,
    no. 6, Cell Press, 2016, pp. 1481–94, doi:<a href="https://doi.org/10.1016/j.cell.2016.11.013">10.1016/j.cell.2016.11.013</a>.
  short: D.-C. Tarlungeanu, E. Deliu, C. Dotter, M. Kara, P. Janiesch, M. Scalise,
    M. Galluccio, M. Tesulov, E. Morelli, F. Sönmez, K. Bilgüvar, R. Ohgaki, Y. Kanai,
    A. Johansen, S. Esharif, T. Ben Omran, M. Topcu, A. Schlessinger, C. Indiveri,
    K. Duncan, A. Caglayan, M. Günel, J. Gleeson, G. Novarino, Cell 167 (2016) 1481–1494.
date_created: 2018-12-11T11:50:35Z
date_published: 2016-12-01T00:00:00Z
date_updated: 2026-04-25T22:31:27Z
day: '01'
ddc:
- '576'
- '616'
department:
- _id: GaNo
doi: 10.1016/j.cell.2016.11.013
external_id:
  isi:
  - '000389470500012'
file:
- access_level: open_access
  checksum: 7fe01ab12a6610d3db421e0136db2f77
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:13:44Z
  date_updated: 2020-07-14T12:44:37Z
  file_id: '5030'
  file_name: IST-2017-771-v1+1_Tarlungeanu_et_al._Final_edited.pdf
  file_size: 73907957
  relation: main_file
file_date_updated: 2020-07-14T12:44:37Z
has_accepted_license: '1'
intvolume: '       167'
isi: 1
issue: '6'
language:
- iso: eng
month: '12'
oa: 1
oa_version: Submitted Version
page: 1481 - 1494
project:
- _id: 25473368-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: F03523
  name: Transmembrane Transporters in Health and Disease
publication: Cell
publication_status: published
publisher: Cell Press
publist_id: '6170'
pubrep_id: '771'
quality_controlled: '1'
related_material:
  record:
  - id: '395'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Impaired amino acid transport at the blood brain barrier is a cause of autism
  spectrum disorder
type: journal_article
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 167
year: '2016'
...
---
_id: '1100'
abstract:
- lang: eng
  text: During metazoan development, the temporal pattern of morphogen signaling is
    critical for organizing cell fates in space and time. Yet, tools for temporally
    controlling morphogen signaling within the embryo are still scarce. Here, we developed
    a photoactivatable Nodal receptor to determine how the temporal pattern of Nodal
    signaling affects cell fate specification during zebrafish gastrulation. By using
    this receptor to manipulate the duration of Nodal signaling in vivo by light,
    we show that extended Nodal signaling within the organizer promotes prechordal
    plate specification and suppresses endoderm differentiation. Endoderm differentiation
    is suppressed by extended Nodal signaling inducing expression of the transcriptional
    repressor goosecoid (gsc) in prechordal plate progenitors, which in turn restrains
    Nodal signaling from upregulating the endoderm differentiation gene sox17 within
    these cells. Thus, optogenetic manipulation of Nodal signaling identifies a critical
    role of Nodal signaling duration for organizer cell fate specification during
    gastrulation.
acknowledged_ssus:
- _id: SSU
acknowledgement: 'We are grateful to members of the C.-P.H. and H.J. labs for discussions,
  R. Hauschild and the different Scientific Service Units at IST Austria for technical
  help, M. Dravecka for performing initial experiments, A. Schier for reading an earlier
  version of the manuscript, K.W. Rogers for technical help, and C. Hill, A. Bruce,
  and L. Solnica-Krezel for sending plasmids. This work was supported by grants from
  the Austrian Science Foundation (FWF): (T560-B17) and (I 812-B12) to V.R. and C.-P.H.,
  and from the European Union (EU FP7): (6275) to H.J. A.I.-P. is supported by a Ramon
  Areces fellowship.'
article_processing_charge: No
author:
- first_name: Keisuke
  full_name: Sako, Keisuke
  id: 3BED66BE-F248-11E8-B48F-1D18A9856A87
  last_name: Sako
  orcid: 0000-0002-6453-8075
- first_name: Saurabh
  full_name: Pradhan, Saurabh
  last_name: Pradhan
- first_name: Vanessa
  full_name: Barone, Vanessa
  id: 419EECCC-F248-11E8-B48F-1D18A9856A87
  last_name: Barone
  orcid: 0000-0003-2676-3367
- first_name: Álvaro
  full_name: Inglés Prieto, Álvaro
  id: 2A9DB292-F248-11E8-B48F-1D18A9856A87
  last_name: Inglés Prieto
  orcid: 0000-0002-5409-8571
- first_name: Patrick
  full_name: Mueller, Patrick
  last_name: Mueller
- first_name: Verena
  full_name: Ruprecht, Verena
  id: 4D71A03A-F248-11E8-B48F-1D18A9856A87
  last_name: Ruprecht
  orcid: 0000-0003-4088-8633
- first_name: Daniel
  full_name: Capek, Daniel
  id: 31C42484-F248-11E8-B48F-1D18A9856A87
  last_name: Capek
  orcid: 0000-0001-5199-9940
- first_name: Sanjeev
  full_name: Galande, Sanjeev
  last_name: Galande
- first_name: Harald L
  full_name: Janovjak, Harald L
  id: 33BA6C30-F248-11E8-B48F-1D18A9856A87
  last_name: Janovjak
  orcid: 0000-0002-8023-9315
- first_name: Carl-Philipp J
  full_name: Heisenberg, Carl-Philipp J
  id: 39427864-F248-11E8-B48F-1D18A9856A87
  last_name: Heisenberg
  orcid: 0000-0002-0912-4566
citation:
  ama: Sako K, Pradhan S, Barone V, et al. Optogenetic control of nodal signaling
    reveals a temporal pattern of nodal signaling regulating cell fate specification
    during gastrulation. <i>Cell Reports</i>. 2016;16(3):866-877. doi:<a href="https://doi.org/10.1016/j.celrep.2016.06.036">10.1016/j.celrep.2016.06.036</a>
  apa: Sako, K., Pradhan, S., Barone, V., Inglés Prieto, Á., Mueller, P., Ruprecht,
    V., … Heisenberg, C.-P. J. (2016). Optogenetic control of nodal signaling reveals
    a temporal pattern of nodal signaling regulating cell fate specification during
    gastrulation. <i>Cell Reports</i>. Cell Press. <a href="https://doi.org/10.1016/j.celrep.2016.06.036">https://doi.org/10.1016/j.celrep.2016.06.036</a>
  chicago: Sako, Keisuke, Saurabh Pradhan, Vanessa Barone, Álvaro Inglés Prieto, Patrick
    Mueller, Verena Ruprecht, Daniel Capek, Sanjeev Galande, Harald L Janovjak, and
    Carl-Philipp J Heisenberg. “Optogenetic Control of Nodal Signaling Reveals a Temporal
    Pattern of Nodal Signaling Regulating Cell Fate Specification during Gastrulation.”
    <i>Cell Reports</i>. Cell Press, 2016. <a href="https://doi.org/10.1016/j.celrep.2016.06.036">https://doi.org/10.1016/j.celrep.2016.06.036</a>.
  ieee: K. Sako <i>et al.</i>, “Optogenetic control of nodal signaling reveals a temporal
    pattern of nodal signaling regulating cell fate specification during gastrulation,”
    <i>Cell Reports</i>, vol. 16, no. 3. Cell Press, pp. 866–877, 2016.
  ista: Sako K, Pradhan S, Barone V, Inglés Prieto Á, Mueller P, Ruprecht V, Capek
    D, Galande S, Janovjak HL, Heisenberg C-PJ. 2016. Optogenetic control of nodal
    signaling reveals a temporal pattern of nodal signaling regulating cell fate specification
    during gastrulation. Cell Reports. 16(3), 866–877.
  mla: Sako, Keisuke, et al. “Optogenetic Control of Nodal Signaling Reveals a Temporal
    Pattern of Nodal Signaling Regulating Cell Fate Specification during Gastrulation.”
    <i>Cell Reports</i>, vol. 16, no. 3, Cell Press, 2016, pp. 866–77, doi:<a href="https://doi.org/10.1016/j.celrep.2016.06.036">10.1016/j.celrep.2016.06.036</a>.
  short: K. Sako, S. Pradhan, V. Barone, Á. Inglés Prieto, P. Mueller, V. Ruprecht,
    D. Capek, S. Galande, H.L. Janovjak, C.-P.J. Heisenberg, Cell Reports 16 (2016)
    866–877.
date_created: 2018-12-11T11:50:08Z
date_published: 2016-07-19T00:00:00Z
date_updated: 2026-04-25T22:31:36Z
day: '19'
ddc:
- '570'
- '576'
department:
- _id: CaHe
- _id: HaJa
doi: 10.1016/j.celrep.2016.06.036
ec_funded: 1
external_id:
  isi:
  - '000380264200024'
file:
- access_level: open_access
  content_type: application/pdf
  creator: system
  date_created: 2018-12-12T10:11:04Z
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  file_id: '4857'
  file_name: IST-2017-754-v1+1_1-s2.0-S2211124716307768-main.pdf
  file_size: 3921947
  relation: main_file
file_date_updated: 2018-12-12T10:11:04Z
has_accepted_license: '1'
intvolume: '        16'
isi: 1
issue: '3'
language:
- iso: eng
month: '07'
oa: 1
oa_version: Published Version
page: 866 - 877
project:
- _id: 2529486C-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: T 560-B17
  name: Cell- and Tissue Mechanics in Zebrafish Germ Layer Formation
- _id: 2527D5CC-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: I812-B12
  name: Cell Cortex and Germ Layer Formation in Zebrafish Gastrulation
- _id: 25548C20-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '303564'
  name: Microbial Ion Channels for Synthetic Neurobiology
publication: Cell Reports
publication_status: published
publisher: Cell Press
publist_id: '6275'
pubrep_id: '754'
quality_controlled: '1'
related_material:
  record:
  - id: '961'
    relation: dissertation_contains
    status: public
  - id: '50'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Optogenetic control of nodal signaling reveals a temporal pattern of nodal
  signaling regulating cell fate specification during gastrulation
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: 16
year: '2016'
...
---
_id: '1437'
abstract:
- lang: eng
  text: We study algorithmic questions for concurrent systems where the transitions
    are labeled from a complete, closed semiring, and path properties are algebraic
    with semiring operations. The algebraic path properties can model dataflow analysis
    problems, the shortest path problem, and many other natural problems that arise
    in program analysis. We consider that each component of the concurrent system
    is a graph with constant treewidth, a property satisfied by the controlflow graphs
    of most programs. We allow for multiple possible queries, which arise naturally
    in demand driven dataflow analysis. The study of multiple queries allows us to
    consider the tradeoff between the resource usage of the one-time preprocessing
    and for each individual query. The traditional approach constructs the product
    graph of all components and applies the best-known graph algorithm on the product.
    In this approach, even the answer to a single query requires the transitive closure
    (i.e., the results of all possible queries), which provides no room for tradeoff
    between preprocessing and query time. Our main contributions are algorithms that
    significantly improve the worst-case running time of the traditional approach,
    and provide various tradeoffs depending on the number of queries. For example,
    in a concurrent system of two components, the traditional approach requires hexic
    time in the worst case for answering one query as well as computing the transitive
    closure, whereas we show that with one-time preprocessing in almost cubic time,
    each subsequent query can be answered in at most linear time, and even the transitive
    closure can be computed in almost quartic time. Furthermore, we establish conditional
    optimality results showing that the worst-case running time of our algorithms
    cannot be improved without achieving major breakthroughs in graph algorithms (i.e.,
    improving the worst-case bound for the shortest path problem in general graphs).
    Preliminary experimental results show that our algorithms perform favorably on
    several benchmarks.
alternative_title:
- POPL
arxiv: 1
author:
- first_name: Krishnendu
  full_name: Chatterjee, Krishnendu
  id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
  last_name: Chatterjee
  orcid: 0000-0002-4561-241X
- first_name: Amir
  full_name: Goharshady, Amir
  id: 391365CE-F248-11E8-B48F-1D18A9856A87
  last_name: Goharshady
  orcid: 0000-0003-1702-6584
- first_name: Rasmus
  full_name: Ibsen-Jensen, Rasmus
  id: 3B699956-F248-11E8-B48F-1D18A9856A87
  last_name: Ibsen-Jensen
  orcid: 0000-0003-4783-0389
- first_name: Andreas
  full_name: Pavlogiannis, Andreas
  id: 49704004-F248-11E8-B48F-1D18A9856A87
  last_name: Pavlogiannis
  orcid: 0000-0002-8943-0722
citation:
  ama: 'Chatterjee K, Goharshady AK, Ibsen-Jensen R, Pavlogiannis A. Algorithms for
    algebraic path properties in concurrent systems of constant treewidth components.
    In: Vol 20-22. ACM; 2016:733-747. doi:<a href="https://doi.org/10.1145/2837614.2837624">10.1145/2837614.2837624</a>'
  apa: 'Chatterjee, K., Goharshady, A. K., Ibsen-Jensen, R., &#38; Pavlogiannis, A.
    (2016). Algorithms for algebraic path properties in concurrent systems of constant
    treewidth components (Vol. 20–22, pp. 733–747). Presented at the POPL: Principles
    of Programming Languages, St. Petersburg, FL, USA: ACM. <a href="https://doi.org/10.1145/2837614.2837624">https://doi.org/10.1145/2837614.2837624</a>'
  chicago: Chatterjee, Krishnendu, Amir Kafshdar Goharshady, Rasmus Ibsen-Jensen,
    and Andreas Pavlogiannis. “Algorithms for Algebraic Path Properties in Concurrent
    Systems of Constant Treewidth Components,” 20–22:733–47. ACM, 2016. <a href="https://doi.org/10.1145/2837614.2837624">https://doi.org/10.1145/2837614.2837624</a>.
  ieee: 'K. Chatterjee, A. K. Goharshady, R. Ibsen-Jensen, and A. Pavlogiannis, “Algorithms
    for algebraic path properties in concurrent systems of constant treewidth components,”
    presented at the POPL: Principles of Programming Languages, St. Petersburg, FL,
    USA, 2016, vol. 20–22, pp. 733–747.'
  ista: 'Chatterjee K, Goharshady AK, Ibsen-Jensen R, Pavlogiannis A. 2016. Algorithms
    for algebraic path properties in concurrent systems of constant treewidth components.
    POPL: Principles of Programming Languages, POPL, vol. 20–22, 733–747.'
  mla: Chatterjee, Krishnendu, et al. <i>Algorithms for Algebraic Path Properties
    in Concurrent Systems of Constant Treewidth Components</i>. Vol. 20–22, ACM, 2016,
    pp. 733–47, doi:<a href="https://doi.org/10.1145/2837614.2837624">10.1145/2837614.2837624</a>.
  short: K. Chatterjee, A.K. Goharshady, R. Ibsen-Jensen, A. Pavlogiannis, in:, ACM,
    2016, pp. 733–747.
conference:
  end_date: 2016-01-22
  location: St. Petersburg, FL, USA
  name: 'POPL: Principles of Programming Languages'
  start_date: 2016-01-20
corr_author: '1'
date_created: 2018-12-11T11:52:01Z
date_published: 2016-01-11T00:00:00Z
date_updated: 2026-04-25T22:31:40Z
day: '11'
department:
- _id: KrCh
doi: 10.1145/2837614.2837624
ec_funded: 1
external_id:
  arxiv:
  - '1510.07565'
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: http://arxiv.org/abs/1510.07565
month: '01'
oa: 1
oa_version: Preprint
page: 733 - 747
project:
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 2581B60A-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '279307'
  name: 'Quantitative Graph Games: Theory and Applications'
publication_status: published
publisher: ACM
publist_id: '5761'
quality_controlled: '1'
related_material:
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  - id: '5441'
    relation: earlier_version
    status: public
  - id: '5442'
    relation: earlier_version
    status: public
  - id: '6009'
    relation: later_version
    status: public
  - id: '821'
    relation: dissertation_contains
    status: public
  - id: '8934'
    relation: dissertation_contains
    status: public
scopus_import: 1
status: public
title: Algorithms for algebraic path properties in concurrent systems of constant
  treewidth components
type: conference
user_id: 2DF688A6-F248-11E8-B48F-1D18A9856A87
volume: 20-22
year: '2016'
...
---
_id: '1386'
abstract:
- lang: eng
  text: We consider nondeterministic probabilistic programs with the most basic liveness
    property of termination. We present efficient methods for termination analysis
    of nondeterministic probabilistic programs with polynomial guards and assignments.
    Our approach is through synthesis of polynomial ranking supermartingales, that
    on one hand significantly generalizes linear ranking supermartingales and on the
    other hand is a counterpart of polynomial ranking-functions for proving termination
    of nonprobabilistic programs. The approach synthesizes polynomial ranking-supermartingales
    through Positivstellensatz's, yielding an efficient method which is not only sound,
    but also semi-complete over a large subclass of programs. We show experimental
    results to demonstrate that our approach can handle several classical programs
    with complex polynomial guards and assignments, and can synthesize efficient quadratic
    ranking-supermartingales when a linear one does not exist even for simple affine
    programs.
alternative_title:
- LNCS
article_processing_charge: No
arxiv: 1
author:
- first_name: Krishnendu
  full_name: Chatterjee, Krishnendu
  id: 2E5DCA20-F248-11E8-B48F-1D18A9856A87
  last_name: Chatterjee
  orcid: 0000-0002-4561-241X
- first_name: Hongfei
  full_name: Fu, Hongfei
  id: 3AAD03D6-F248-11E8-B48F-1D18A9856A87
  last_name: Fu
- first_name: Amir
  full_name: Goharshady, Amir
  id: 391365CE-F248-11E8-B48F-1D18A9856A87
  last_name: Goharshady
  orcid: 0000-0003-1702-6584
citation:
  ama: 'Chatterjee K, Fu H, Goharshady AK. Termination analysis of probabilistic programs
    through Positivstellensatz’s. In: Vol 9779. Springer; 2016:3-22. doi:<a href="https://doi.org/10.1007/978-3-319-41528-4_1">10.1007/978-3-319-41528-4_1</a>'
  apa: 'Chatterjee, K., Fu, H., &#38; Goharshady, A. K. (2016). Termination analysis
    of probabilistic programs through Positivstellensatz’s (Vol. 9779, pp. 3–22).
    Presented at the CAV: Computer Aided Verification, Toronto, Canada: Springer.
    <a href="https://doi.org/10.1007/978-3-319-41528-4_1">https://doi.org/10.1007/978-3-319-41528-4_1</a>'
  chicago: Chatterjee, Krishnendu, Hongfei Fu, and Amir Kafshdar Goharshady. “Termination
    Analysis of Probabilistic Programs through Positivstellensatz’s,” 9779:3–22. Springer,
    2016. <a href="https://doi.org/10.1007/978-3-319-41528-4_1">https://doi.org/10.1007/978-3-319-41528-4_1</a>.
  ieee: 'K. Chatterjee, H. Fu, and A. K. Goharshady, “Termination analysis of probabilistic
    programs through Positivstellensatz’s,” presented at the CAV: Computer Aided Verification,
    Toronto, Canada, 2016, vol. 9779, pp. 3–22.'
  ista: 'Chatterjee K, Fu H, Goharshady AK. 2016. Termination analysis of probabilistic
    programs through Positivstellensatz’s. CAV: Computer Aided Verification, LNCS,
    vol. 9779, 3–22.'
  mla: Chatterjee, Krishnendu, et al. <i>Termination Analysis of Probabilistic Programs
    through Positivstellensatz’s</i>. Vol. 9779, Springer, 2016, pp. 3–22, doi:<a
    href="https://doi.org/10.1007/978-3-319-41528-4_1">10.1007/978-3-319-41528-4_1</a>.
  short: K. Chatterjee, H. Fu, A.K. Goharshady, in:, Springer, 2016, pp. 3–22.
conference:
  end_date: 2016-07-23
  location: Toronto, Canada
  name: 'CAV: Computer Aided Verification'
  start_date: 2016-07-17
corr_author: '1'
date_created: 2018-12-11T11:51:43Z
date_published: 2016-07-01T00:00:00Z
date_updated: 2026-04-25T22:31:40Z
day: '01'
department:
- _id: KrCh
doi: 10.1007/978-3-319-41528-4_1
ec_funded: 1
external_id:
  arxiv:
  - '1604.07169'
  isi:
  - '000387731200001'
intvolume: '      9779'
isi: 1
language:
- iso: eng
main_file_link:
- open_access: '1'
  url: http://arxiv.org/abs/1604.07169
month: '07'
oa: 1
oa_version: Preprint
page: 3 - 22
project:
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 2581B60A-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '279307'
  name: 'Quantitative Graph Games: Theory and Applications'
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
publication_status: published
publisher: Springer
publist_id: '5824'
quality_controlled: '1'
related_material:
  record:
  - id: '8934'
    relation: dissertation_contains
    status: public
scopus_import: '1'
status: public
title: Termination analysis of probabilistic programs through Positivstellensatz's
type: conference
user_id: 317138e5-6ab7-11ef-aa6d-ffef3953e345
volume: 9779
year: '2016'
...
