HARVARD-MIT ALGEBRAIC GEOMETRY
February 9, 2021 3:00 pmThe problem of determining the birational nature of the moduli space of curves of genus g has received constant attention in the last century and inspired a lot of development in moduli...
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CMSA EVENTS
February 9, 2021 11:30 amThe point location problem is a fundamental question in computational geometry. It asks, given a known partition of R^d into cells by n hyperplanes and an unknown input point x,...
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MATHEMATICAL PICTURE LANGUAGE
February 9, 2021 10:00 amI will examine the many-body localization (MBL) phase transition in one-dimensional quantum systems with quenched randomness. Having demonstrated the existence of the MBL phase at strong disorder, under a level-statistics...
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CMSA EVENTS
February 8, 2021 10:00 amK-theoretic Gromov-Witten invariants of smooth projective varieties have been introduced by YP Lee, using the Euler characteristic of a virtual structure sheaf. In particular, they are integers. In this talk,...
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ALGEBRAIC DYNAMICS
February 5, 2021 10:00 amI will discuss applications of Vojta's conjecture to some problems in arithmetic dynamics, concerning the growth of sizes of coordinates of orbits, greatest common divisors among coordinates, and prime factors of...
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CMSA EVENTS
February 4, 2021 10:30 am4d N=1 super Yang-Mills has multiple gapped vacua arising from the spontaneously broken discrete R-symmetry. Therefore, the theory admits stable domain walls interpolating between any two vacua, but it is...
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OPEN NEIGHBORHOOD
February 3, 2021 4:30 pmWe will explore the idea of universality in probability theory, as seen in the central limit theorem, in which wide and varied input distributions can all give identical limiting outputs....
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NUMBER THEORY
February 3, 2021 3:00 pmWe will outline a definition of analytic spaces that relates to complex- or rigid-analytic varieties in the same way that schemes relate to algebraic varieties over a field. Joint with...
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CMSA EVENTS
February 3, 2021 10:30 amHigh-temperature superconductivity in the cuprates remains an unsolved problem because the cuprates start off their lives as Mott insulators in which no organizing principle such a Fermi surface can be invoked to treat ...
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CMSA EVENTS
February 2, 2021 11:30 amCliques are important structures in network science that have been used in numerous applications including spam detection, graph analysis, graph modeling, community detection among others. Obtaining the counts of k-cliques in real-world graphs with millions of nodes and edges is a...
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