CMSA EVENTS
December 8, 2021 9:30 amTree decompositions are a powerful tool in both structural graph theory and graph algorithms. Many hard problems become tractable if the input graph is known to have a tree decomposition of bounded “width”....
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CMSA EVENTS
December 8, 2021 2:00 pmTransformer models yield impressive results on many NLP and sequence modeling tasks. Remarkably, Transformers can handle long sequences which allows them to produce long coherent outputs: full paragraphs produced by...
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CMSA EVENTS
December 8, 2021 10:30 amI will describe some of my recent work on defects in supersymmetric field theories. The first part of my talk is focused on line defects in certain large classes of...
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CMSA EVENTS
December 7, 2021 9:30 amLet M_n be drawn uniformly from all n by n symmetric matrices with entries in {-1,1}. In this talk I’ll consider the following basic question: what is the probability that...
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CMSA EVENTS
December 1, 2021 2:00 pmDeep learning is an exciting approach to modern artificial intelligence based on artificial neural networks. The goal of this talk is to provide a blueprint — using tools from physics...
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CMSA EVENTS
November 30, 2021 9:30 amThe last few decades has seen a surge of interest in building towards a theory of discrete curvature that attempts to translate the key properties of curvature in differential geometry to the...
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CMSA EVENTS
November 24, 2021 10:30 amWe discuss multipartitions of the gapped ground states of (2+1)-dimensional topological liquids into three (or more) spatial regions that are adjacent to each other and meet at points. By considering...
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CMSA EVENTS
November 23, 2021 9:30 amStable log varieties or stable pairs (X,D) are the higher dimensional generalization of pointed stable curves. They form proper moduli spaces which compactify the moduli space of normal crossings, or...
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CMSA EVENTS
November 23, 2021 9:30 amThe Prague dimension of graphs was introduced by Nesetril, Pultr and Rodl in the 1970s: as a combinatorial measure of complexity, it is closely related to clique edges coverings and...
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CMSA EVENTS
November 18, 2021 2:30 pm*Note special time* We find that several non-integrable systems exhibit some exact eigenstates that span the energy spectrum from lowest to the highest state. In the AKLT Hamiltonian and in...
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