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Home | Publications | Funding and Engagement | Teaching and Supervision | Software |
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Selected research projects | |||
2019 - 2021 |
Hyam Rubinstein, Jonathan Spreer, Stephan Tillmann, Trisections, triangulations and the complexity of manifolds, Australian Research Council (ARC) Discovery Project 2019, DP190102259. |
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Abstract:
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2015 - 2020 |
Benjamin A. Burton, Jonathan Spreer, Tractable topological computing: Escaping the hardness trap, Australian Research Council (ARC) Discovery Project 2015, DP150104108. |
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Abstract:
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2014 - 2016 |
Benjamin A. Burton, Basudeb Datta, Jonathan Spreer, Nitin Singh, Building triangulations for fast topological computing, DIICCSRTE, Australia-India Strategic Research Fund (AISRF), Round 7, AISRF06660. |
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Abstract: |
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Selected conferences and workshops | |||
27-31 July 2020 |
Computational & Algorithmic Topology, Sydney (CATS 2020) This workshop at The University of Sydney will bring together experts and emerging researchers from Australia, the USA and Europe to report on recent results and explore future directions in computational and algorithmic topology and related areas. There will be a focus on problems in computational geometric topology and computational algebraic topology. This workshop aims to stimulate interaction between researchers in order to bring about new collaborations on difficult problems that cannot be tackled from one viewpoint alone. Organisers:
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29-31 October 2018 |
Einstein Workshop Geometric and Topological Combinatorics This will be a three day workshop on Geometric and Topological Combinatorics, with lectures in the morning and time for discussions and networking in the afternoons. It is primarily funded by the Einstein Foundation Berlin, as part of Francisco Santos' Einstein Visiting Fellowship within the Discrete Geometry Group at FU Berlin for 2016-2019. Additional funding is provided by the project Discretization in Geometry and Dynamics (SFB Transregio 109) and the Berlin Mathematical School. Organisers:
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13-16 March 2018 |
Einstein Workshop Discrete Geometry and Topology This will be a four day workshop with lectures, presentations and informal discussions on discrete geometry and topology, and related topics (combinatorial topology, computational geometry, polytope theory). It is primarily funded by the Einstein Foundation Berlin, as part of Francisco Santos' Einstein Visiting Fellowship at FU Berlin for 2016-2019. Additional funding is provided by the project Discretization in Geometry and Dynamics (SFB Transregio 109) and the Berlin Mathematical School. Organisers:
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Selected talks (with slides) | |||
Oct 2019 |
Talk at the Pure Maths Seminar, The University of Queensland, Brisbane, Australia. Title: Linking topology and combinatorics: Width-type parameters of 3-manifold [ slides ] |
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May 2019 |
Talk at Sydney Algorithms Group Seminar, The University of Sydney, Australia. Title: Discrete Algorithms for Geometric Topology [ slides ] |
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Dec 2015 |
Talk at the 39th Australasian Conference on Combinatorial Mathematics
and Combinatorial Computing, Brisbane, Australia. Title: Separation index of graphs and stacked 2-sphere [ slides ] |
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Oct 2015 |
Talks at Institute for Science and Technology, Klosterneuburg, Austria;
Technische Universität Berlin, Germany;
Indian Institute of Science, Bangalore, India; and
Indian Statistical Institute, Calcutta, India. Title: Algorithms and complexity for Turaev-Viro invariants [ slides ] |
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Oct 2015 |
Presentation at Mathematical Research
Institute Oberwolfach, see extended abstract above. Title: Random collapsibility and 3-sphere recognition [ slides (from the 2015 AustMS meeting in Adelaide) ] |
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Jun 2015 |
Talk at Freie Universität Berlin, Germany. Title: Parameterised complexity theory for topological problems [ slides (from the 2013 AustMS meeting in Sydney) ] |
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Feb 2015 |
Talk at University of Ulm, Germany. Title: Geometrie und Topologie im Computeralgebrasystem GAP [ slides ] |
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May 2014 |
Talk at the National Institute of Informatics Shonan Meeting on Knot theory, Algorithms, complexity and computation, Tokyo, Japan. Title: Tightness for triangulations [ slides (from the 2014 AustMS meeting in Melbourne) ] |
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Apr 2014 |
Talk at the Computational and Algorithmic Topology workshop (CATS), Sydney, Australia. Title: Bounds for the genus of a normal surface [ slides ] |
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Dr Jonathan Spreer | The University of Sydney | School of Mathematics and Statistics | Email: jonathan.spreer@sydney.edu.au |