---
OA_place: publisher
_id: '1398'
abstract:
- lang: eng
  text: Hybrid zones represent evolutionary laboratories, where recombination brings
    together alleles in combinations which have not previously been tested by selection.
    This provides an excellent opportunity to test the effect of molecular variation
    on fitness, and how this variation is able to spread through populations in a
    natural context. The snapdragon Antirrhinum majus is polymorphic in the wild for
    two loci controlling the distribution of yellow and magenta floral pigments. Where
    the yellow A. m. striatum and the magenta A. m. pseudomajus meet along a valley
    in the Spanish Pyrenees they form a stable hybrid zone Alleles at these loci recombine
    to give striking transgressive variation for flower colour. The sharp transition
    in phenotype over ~1km implies strong selection maintaining the hybrid zone. An
    indirect assay of pollinator visitation in the field found that pollinators forage
    in a positive-frequency dependent manner on Antirrhinum, matching previous data
    on fruit set. Experimental arrays and paternity analysis of wild-pollinated seeds
    demonstrated assortative mating for pigmentation alleles, and that pollinator
    behaviour alone is sufficient to explain this pattern. Selection by pollinators
    should be sufficiently strong to maintain the hybrid zone, although other mechanisms
    may be at work. At a broader scale I examined evolutionary transitions between
    yellow and anthocyanin pigmentation in the tribe Antirrhinae, and found that selection
    has acted strate that pollinators are a major determinant of reproductive success
    and mating patterns in wild Antirrhinum.
acknowledgement: "I am indebted to many people for their support during my PhD, but
  I particularly wish to thank Nick Barton for his guidance and intuition, and for
  encouraging me to take the time to look beyond the immediate topic of my PhD to
  understand the broader context. I am also especially grateful to David Field his
  bottomless patience, invaluable advice on experimental design, analysis and scientific
  writing, and for tireless work on the population surveys and genomic work without
  most of my thesis could not have happened. \r\n\r\nIt has been a pleasure to work
  with the combined strengths of the groups at The John Innes Centre, University of
  Toulouse and IST Austria. Thanks to Enrico Coen and his group for hosting me in
  Norwich in 2011 and especially for setting up the tag experiment. \r\n\r\nI thank
  David Field, Desmond Bradley and Maria Clara Melo-Hurtado for organising field collections,
  as well as Monique Burrus and Christophe Andalo and a large number of volunteers
  for their e ff orts helping with the field work. Furthermore I thank Coline Jaworski
  for providing seeds and for her input into the design of the experimental arrays,
  and Matthew Couchman for maintaining the database of. \r\n\r\nIn addition to those
  mentioned above, I am grateful to Melinda Pickup, Spencer Barrett, and four anonymous
  reviewers for their insightful comments on sections of this manuscript. I also thank
  Jana Porsche for her e ff orts in tracking down the more obscure references for
  chapter 5, and Jon Bollback for his advice about the analysis. \r\n\r\nI am indebted
  to Jon Ågren for his patience whilst I finished this thesis, and to Sylvia Cremer
  and Magnus Nordborg for taking the time to read and evaluate the thesis given a
  shorter deadline than was fair. \r\n\r\nA very positive aspect of my PhD has been
  the supportive atmosphere of IST. In particular, I have come to appreciate the enormous
  support from our group assistants Nicole Hotzy, Julia Asimakis, Christine Ostermann
  and Jerneja Beslagic. I also thank Christian Chaloupka and Stefan Hipfinger for
  their enthusiasm and readiness to help where possible in setting up our greenhouse
  and experiments. "
alternative_title:
- ISTA Thesis
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. The role of pollinator-mediated selection in the maintenance of a
    flower color polymorphism in an Antirrhinum majus hybrid zone. 2016. doi:<a href="https://doi.org/10.15479/AT:ISTA:TH_526
    ">10.15479/AT:ISTA:TH_526 </a>
  apa: Ellis, T. (2016). <i>The role of pollinator-mediated selection in the maintenance
    of a flower color polymorphism in an Antirrhinum majus hybrid zone</i>. Institute
    of Science and Technology Austria. <a href="https://doi.org/10.15479/AT:ISTA:TH_526
    ">https://doi.org/10.15479/AT:ISTA:TH_526 </a>
  chicago: Ellis, Thomas. “The Role of Pollinator-Mediated Selection in the Maintenance
    of a Flower Color Polymorphism in an Antirrhinum Majus Hybrid Zone.” Institute
    of Science and Technology Austria, 2016. <a href="https://doi.org/10.15479/AT:ISTA:TH_526
    ">https://doi.org/10.15479/AT:ISTA:TH_526 </a>.
  ieee: T. Ellis, “The role of pollinator-mediated selection in the maintenance of
    a flower color polymorphism in an Antirrhinum majus hybrid zone,” Institute of
    Science and Technology Austria, 2016.
  ista: Ellis T. 2016. The role of pollinator-mediated selection in the maintenance
    of a flower color polymorphism in an Antirrhinum majus hybrid zone. Institute
    of Science and Technology Austria.
  mla: Ellis, Thomas. <i>The Role of Pollinator-Mediated Selection in the Maintenance
    of a Flower Color Polymorphism in an Antirrhinum Majus Hybrid Zone</i>. Institute
    of Science and Technology Austria, 2016, doi:<a href="https://doi.org/10.15479/AT:ISTA:TH_526
    ">10.15479/AT:ISTA:TH_526 </a>.
  short: T. Ellis, The Role of Pollinator-Mediated Selection in the Maintenance of
    a Flower Color Polymorphism in an Antirrhinum Majus Hybrid Zone, Institute of
    Science and Technology Austria, 2016.
corr_author: '1'
date_created: 2018-12-11T11:51:47Z
date_published: 2016-02-18T00:00:00Z
date_updated: 2026-04-09T10:52:07Z
day: '18'
ddc:
- '576'
degree_awarded: PhD
department:
- _id: NiBa
- _id: GradSch
doi: '10.15479/AT:ISTA:TH_526 '
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  issn:
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publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '5809'
pubrep_id: '526'
related_material:
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    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: The role of pollinator-mediated selection in the maintenance of a flower color
  polymorphism in an Antirrhinum majus hybrid zone
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
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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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:
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    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: '1401'
abstract:
- lang: eng
  text: 'The human ability to recognize objects in complex scenes has driven research
    in the computer vision field over couple of decades. This thesis focuses on the
    object recognition task in images. That is, given the image, we want the computer
    system to be able to predict the class of the object that appears in the image.
    A recent successful attempt to bridge semantic understanding of the image perceived
    by humans and by computers uses attribute-based models. Attributes are semantic
    properties of the objects shared across different categories, which humans and
    computers can decide on. To explore the attribute-based models we take a statistical
    machine learning approach, and address two key learning challenges in view of
    object recognition task: learning augmented attributes as mid-level discriminative
    feature representation, and learning with attributes as privileged information.
    Our main contributions are parametric and non-parametric models and algorithms
    to solve these frameworks. In the parametric approach, we explore an autoencoder
    model combined with the large margin nearest neighbor principle for mid-level
    feature learning, and linear support vector machines for learning with privileged
    information. In the non-parametric approach, we propose a supervised Indian Buffet
    Process for automatic augmentation of semantic attributes, and explore the Gaussian
    Processes classification framework for learning with privileged information. A
    thorough experimental analysis shows the effectiveness of the proposed models
    in both parametric and non-parametric views.'
acknowledgement: "I would like to thank my supervisor, Christoph Lampert, for guidance
  throughout my studies and for patience in transforming me into a scientist, and
  my thesis committee, Chris Wojtan and Horst Bischof, for their help and advice.
  \r\n\r\nI would like to thank Elisabeth Hacker who perfectly assisted all my administrative
  needs and was always nice and friendly to me, and the campus team for making the
  IST Austria campus my second home. \r\nI was honored to collaborate with brilliant
  researchers and to learn from their experience. Undoubtedly, I learned most of all
  from Novi Quadrianto: brainstorming our projects and getting exciting results was
  the most enjoyable part of my work – thank you! I am also grateful to David Knowles,
  Zoubin Ghahramani, Daniel Hernández-Lobato, Kristian Kersting and Anastasia Pentina
  for the fantastic projects we worked on together, and to Kristen Grauman and Adriana
  Kovashka for the exceptional experience working with user studies. I would like
  to thank my colleagues at IST Austria and my office mates who shared their happy
  moods, scientific breakthroughs and thought-provoking conversations with me: Chao,
  Filip, Rustem, Asya, Sameh, Alex, Vlad, Mayu, Neel, Csaba, Thomas, Vladimir, Cristina,
  Alex Z., Avro, Amelie and Emilie, Andreas H. and Andreas E., Chris, Lena, Michael,
  Ali and Ipek, Vera, Igor, Katia. Special thanks to Morten for the countless games
  of table soccer we played together and the tournaments we teamed up for: we will
  definitely win next time:) A very warm hug to Asya for always being so inspiring
  and supportive to me, and for helping me to increase the proportion of female computer
  scientists in our group. "
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Viktoriia
  full_name: Sharmanska, Viktoriia
  id: 2EA6D09E-F248-11E8-B48F-1D18A9856A87
  last_name: Sharmanska
  orcid: 0000-0003-0192-9308
citation:
  ama: 'Sharmanska V. Learning with attributes for object recognition: Parametric
    and non-parametrics views. 2015. doi:<a href="https://doi.org/10.15479/at:ista:1401">10.15479/at:ista:1401</a>'
  apa: 'Sharmanska, V. (2015). <i>Learning with attributes for object recognition:
    Parametric and non-parametrics views</i>. Institute of Science and Technology
    Austria. <a href="https://doi.org/10.15479/at:ista:1401">https://doi.org/10.15479/at:ista:1401</a>'
  chicago: 'Sharmanska, Viktoriia. “Learning with Attributes for Object Recognition:
    Parametric and Non-Parametrics Views.” Institute of Science and Technology Austria,
    2015. <a href="https://doi.org/10.15479/at:ista:1401">https://doi.org/10.15479/at:ista:1401</a>.'
  ieee: 'V. Sharmanska, “Learning with attributes for object recognition: Parametric
    and non-parametrics views,” Institute of Science and Technology Austria, 2015.'
  ista: 'Sharmanska V. 2015. Learning with attributes for object recognition: Parametric
    and non-parametrics views. Institute of Science and Technology Austria.'
  mla: 'Sharmanska, Viktoriia. <i>Learning with Attributes for Object Recognition:
    Parametric and Non-Parametrics Views</i>. Institute of Science and Technology
    Austria, 2015, doi:<a href="https://doi.org/10.15479/at:ista:1401">10.15479/at:ista:1401</a>.'
  short: 'V. Sharmanska, Learning with Attributes for Object Recognition: Parametric
    and Non-Parametrics Views, Institute of Science and Technology Austria, 2015.'
corr_author: '1'
date_created: 2018-12-11T11:51:48Z
date_published: 2015-04-01T00:00:00Z
date_updated: 2026-04-09T14:25:49Z
day: '01'
ddc:
- '000'
degree_awarded: PhD
department:
- _id: ChLa
- _id: GradSch
doi: 10.15479/at:ista:1401
file:
- access_level: open_access
  checksum: 3605b402bb6934e09ae4cf672c84baf7
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  creator: dernst
  date_created: 2021-02-22T11:33:17Z
  date_updated: 2021-02-22T11:33:17Z
  file_id: '9177'
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  file_size: 7964342
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  success: 1
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  checksum: e37593b3ee75bf3180629df2d6ca8f4e
  content_type: application/pdf
  creator: cchlebak
  date_created: 2021-11-16T14:40:45Z
  date_updated: 2021-11-17T13:47:24Z
  file_id: '10297'
  file_name: 2015_Thesis_Sharmanska_pdfa.pdf
  file_size: 7372241
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file_date_updated: 2021-11-17T13:47:24Z
has_accepted_license: '1'
language:
- iso: eng
main_file_link:
- url: http://users.sussex.ac.uk/~nq28/viktoriia/Thesis_Sharmanska.pdf
month: '04'
oa: 1
oa_version: Published Version
page: '144'
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '5806'
status: public
supervisor:
- first_name: Christoph
  full_name: Lampert, Christoph
  id: 40C20FD2-F248-11E8-B48F-1D18A9856A87
  last_name: Lampert
  orcid: 0000-0001-8622-7887
title: 'Learning with attributes for object recognition: Parametric and non-parametrics
  views'
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2015'
...
---
OA_place: publisher
_id: '1405'
abstract:
- lang: eng
  text: "Motivated by the analysis of highly dynamic message-passing systems, i.e.
    unbounded thread creation, mobility, etc. we present a framework for the analysis
    of depth-bounded systems. Depth-bounded systems are one of the most expressive
    known fragment of the π-calculus for which interesting verification problems are
    still decidable. Even though they are infinite state systems depth-bounded systems
    are well-structured, thus can be analyzed algorithmically. We give an interpretation
    of depth-bounded systems as graph-rewriting systems. This gives more flexibility
    and ease of use to apply depth-bounded systems to other type of systems like shared
    memory concurrency.\r\n\r\nFirst, we develop an adequate domain of limits for
    depth-bounded systems, a prerequisite for the effective representation of downward-closed
    sets. Downward-closed sets are needed by forward saturation-based algorithms to
    represent potentially infinite sets of states. Then, we present an abstract interpretation
    framework to compute the covering set of well-structured transition systems. Because,
    in general, the covering set is not computable, our abstraction over-approximates
    the actual covering set. Our abstraction captures the essence of acceleration
    based-algorithms while giving up enough precision to ensure convergence. We have
    implemented the analysis in the PICASSO tool and show that it is accurate in practice.
    Finally, we build some further analyses like termination using the covering set
    as starting point."
acknowledgement: "This work was supported in part by the Austrian Science Fund NFN
  RiSE (Rigorous Systems Engineering) and by the ERC Advanced Grant QUAREM (Quantitative
  Reactve Modeling).\r\nChapter 2, 3, and 4 are joint work with Thomas A. Henzinger
  and Thomas Wies. Chapter 2 was published in FoSSaCS 2010 as “Forward Analysis of
  Depth-Bounded Processes” [112]. Chapter 3 was published in VMCAI 2012 as “Ideal
  Abstractions for Well-Structured Transition Systems” [114]. Chap- ter 5.1 is joint
  work with Kshitij Bansal, Eric Koskinen, and Thomas Wies. It was published in TACAS
  2013 as “Structural Counter Abstraction” [13]. The author’s contribution in this
  part is mostly related to the implementation. The theory required to understand
  the method and its implementation is quickly recalled to make the thesis self-contained,
  but should not be considered as a contribution. For the details of the methods,
  we refer the reader to the orig- inal publication [13] and the corresponding technical
  report [14]. Chapter 5.2 is ongoing work with Shahram Esmaeilsabzali, Rupak Majumdar,
  and Thomas Wies. I also would like to thank the people who supported over the past
  4 years. My advisor Thomas A. Henzinger who gave me a lot of freedom to work on
  projects I was interested in. My collaborators, especially Thomas Wies with whom
  I worked since the beginning. The members of my thesis committee, Viktor Kun- cak
  and Rupak Majumdar, who also agreed to advise me. Simon Aeschbacher, Pavol Cerny,
  Cezara Dragoi, Arjun Radhakrishna, my family, friends and col- leagues who created
  an enjoyable environment. "
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Damien
  full_name: Zufferey, Damien
  id: 4397AC76-F248-11E8-B48F-1D18A9856A87
  last_name: Zufferey
  orcid: 0000-0002-3197-8736
citation:
  ama: Zufferey D. Analysis of dynamic message passing programs. 2013. doi:<a href="https://doi.org/10.15479/at:ista:1405">10.15479/at:ista:1405</a>
  apa: Zufferey, D. (2013). <i>Analysis of dynamic message passing programs</i>. Institute
    of Science and Technology Austria. <a href="https://doi.org/10.15479/at:ista:1405">https://doi.org/10.15479/at:ista:1405</a>
  chicago: Zufferey, Damien. “Analysis of Dynamic Message Passing Programs.” Institute
    of Science and Technology Austria, 2013. <a href="https://doi.org/10.15479/at:ista:1405">https://doi.org/10.15479/at:ista:1405</a>.
  ieee: D. Zufferey, “Analysis of dynamic message passing programs,” Institute of
    Science and Technology Austria, 2013.
  ista: Zufferey D. 2013. Analysis of dynamic message passing programs. Institute
    of Science and Technology Austria.
  mla: Zufferey, Damien. <i>Analysis of Dynamic Message Passing Programs</i>. Institute
    of Science and Technology Austria, 2013, doi:<a href="https://doi.org/10.15479/at:ista:1405">10.15479/at:ista:1405</a>.
  short: D. Zufferey, Analysis of Dynamic Message Passing Programs, Institute of Science
    and Technology Austria, 2013.
corr_author: '1'
date_created: 2018-12-11T11:51:50Z
date_published: 2013-09-05T00:00:00Z
date_updated: 2026-04-09T14:35:24Z
day: '05'
ddc:
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degree_awarded: PhD
department:
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- _id: GradSch
doi: 10.15479/at:ista:1405
ec_funded: 1
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language:
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month: '09'
oa: 1
oa_version: Published Version
page: '134'
project:
- _id: 25832EC2-B435-11E9-9278-68D0E5697425
  call_identifier: FWF
  grant_number: S 11407_N23
  name: Rigorous Systems Engineering
- _id: 25EE3708-B435-11E9-9278-68D0E5697425
  call_identifier: FP7
  grant_number: '267989'
  name: Quantitative Reactive Modeling
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '5802'
related_material:
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  - id: '4361'
    relation: part_of_dissertation
    status: public
  - id: '3251'
    relation: part_of_dissertation
    status: public
  - id: '2847'
    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: Analysis of dynamic message passing programs
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2013'
...
---
OA_place: publisher
_id: '2964'
abstract:
- lang: eng
  text: 'CA3 pyramidal neurons are important for memory formation and pattern completion
    in the hippocampal network. These neurons receive multiple excitatory inputs from
    numerous sources. Therefore, the rules of spatiotemporal integration of multiple
    synaptic inputs and propagation of action potentials are important to understand
    how CA3 neurons contribute to higher brain functions at cellular level. By using
    confocally targeted patch-clamp recording techniques, we investigated the biophysical
    properties of rat CA3 pyramidal neuron dendrites. We found two distinct dendritic
    domains critical for action potential initiation and propagation: In the proximal
    domain, action potentials initiated in the axon backpropagate actively with large
    amplitude and fast time course. In the distal domain, Na+-channel mediated dendritic
    spikes are efficiently evoked by local dendritic depolarization or waveforms mimicking
    synaptic events. These findings can be explained by a high Na+-to-K+ conductance
    density ratio of CA3 pyramidal neuron dendrites. The results challenge the prevailing
    view that proximal mossy fiber inputs activate CA3 pyramidal neurons more efficiently
    than distal perforant inputs by showing that the distal synapses trigger a different
    form of activity represented by dendritic spikes. The high probability of dendritic
    spike initiation in the distal area may enhance the computational power of CA3
    pyramidal neurons in the hippocampal network.  '
alternative_title:
- ISTA Thesis
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author:
- first_name: Sooyun
  full_name: Kim, Sooyun
  id: 394AB1C8-F248-11E8-B48F-1D18A9856A87
  last_name: Kim
citation:
  ama: Kim S. Active properties of hippocampal CA3 pyramidal neuron dendrites. 2012.
  apa: Kim, S. (2012). <i>Active properties of hippocampal CA3 pyramidal neuron dendrites</i>.
    Institute of Science and Technology Austria.
  chicago: Kim, Sooyun. “Active Properties of Hippocampal CA3 Pyramidal Neuron Dendrites.”
    Institute of Science and Technology Austria, 2012.
  ieee: S. Kim, “Active properties of hippocampal CA3 pyramidal neuron dendrites,”
    Institute of Science and Technology Austria, 2012.
  ista: Kim S. 2012. Active properties of hippocampal CA3 pyramidal neuron dendrites.
    Institute of Science and Technology Austria.
  mla: Kim, Sooyun. <i>Active Properties of Hippocampal CA3 Pyramidal Neuron Dendrites</i>.
    Institute of Science and Technology Austria, 2012.
  short: S. Kim, Active Properties of Hippocampal CA3 Pyramidal Neuron Dendrites,
    Institute of Science and Technology Austria, 2012.
corr_author: '1'
date_created: 2018-12-11T12:00:35Z
date_published: 2012-06-01T00:00:00Z
date_updated: 2026-04-09T14:36:04Z
day: '01'
degree_awarded: PhD
department:
- _id: PeJo
- _id: GradSch
language:
- iso: eng
month: '06'
oa_version: None
page: '65'
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '3755'
related_material:
  record:
  - id: '3258'
    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: Active properties of hippocampal CA3 pyramidal neuron dendrites
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2012'
...
---
OA_place: publisher
_id: '3962'
alternative_title:
- ISTA Thesis
article_processing_charge: No
author:
- first_name: Holger
  full_name: Pflicke, Holger
  id: CAA57A9A-5B61-11E9-B130-E0C1E1F2C83D
  last_name: Pflicke
citation:
  ama: Pflicke H.   Dendritic cell migration across basement membranes in the skin.
    2010.
  apa: Pflicke, H. (2010). <i>  Dendritic cell migration across basement membranes
    in the skin</i>. Institute of Science and Technology Austria.
  chicago: Pflicke, Holger. “  Dendritic Cell Migration across Basement Membranes
    in the Skin.” Institute of Science and Technology Austria, 2010.
  ieee: H. Pflicke, “  Dendritic cell migration across basement membranes in the skin,”
    Institute of Science and Technology Austria, 2010.
  ista: Pflicke H. 2010.   Dendritic cell migration across basement membranes in the
    skin. Institute of Science and Technology Austria.
  mla: Pflicke, Holger. <i>  Dendritic Cell Migration across Basement Membranes in
    the Skin</i>. Institute of Science and Technology Austria, 2010.
  short: H. Pflicke,   Dendritic Cell Migration across Basement Membranes in the Skin,
    Institute of Science and Technology Austria, 2010.
corr_author: '1'
date_created: 2018-12-11T12:06:08Z
date_published: 2010-07-01T00:00:00Z
date_updated: 2026-04-09T14:37:07Z
day: '01'
degree_awarded: PhD
department:
- _id: CaHe
- _id: GradSch
language:
- iso: eng
month: '07'
oa_version: None
publication_identifier:
  issn:
  - 2663-337X
publication_status: published
publisher: Institute of Science and Technology Austria
publist_id: '2165'
status: public
supervisor:
- first_name: Carl-Philipp J
  full_name: Heisenberg, Carl-Philipp J
  id: 39427864-F248-11E8-B48F-1D18A9856A87
  last_name: Heisenberg
  orcid: 0000-0002-0912-4566
title: "\uFEFF\uFEFFDendritic cell migration across basement membranes in the skin"
type: dissertation
user_id: ba8df636-2132-11f1-aed0-ed93e2281fdd
year: '2010'
...
