SEMINARS, CMSA EVENTS
February 8, 2022 9:30 amStrominger-Yau-Zaslow conjecture is one of the guiding principles in mirror symmetry, which not only predicts the geometric structures of Calabi-Yau manifolds but also provides a recipe for mirror construction. Besides mirror...
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SEMINARS, CMSA EVENTS
February 8, 2022 9:00 amI will talk about work to uncover connections between invariant theory and maximum likelihood estimation. I will describe how norm minimization over a torus orbit is equivalent to maximum likelihood...
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SEMINARS, CMSA EVENTS
February 3, 2022 9:00 amSlice a triply periodic wooden sculpture along an irrational plane. If you ink the cut surface and press it against a page, the pattern you print will be quasiperiodic. Patterns...
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SEMINARS, CMSA EVENTS
February 3, 2022 11:30 amIn metals, orbital motions of conduction electrons are quantized in magnetic fields, which is manifested by quantum oscillations in electrical resistivity. This Landau quantization is generally absent in insulators, in...
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SEMINARS, CMSA EVENTS
February 2, 2022 9:30 amConsider an agency holding a large database of sensitive personal information—say, medical records, census survey answers, web searches, or genetic data. The agency would like to discover and publicly release global characteristics...
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SEMINARS, CMSA EVENTS
February 2, 2022 8:00 pmI will introduce a class of non-invertible topological defects in (3 + 1)d gauge theories whose fusion rules are the higher-dimensional analogs of those of the Kramers-Wannier defect in the...
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CMSA EVENTS
February 2, 2022 2:00 pmIn this talk, I will make connections between Graph Neural Networks (GNNs) and non-Euclidean diffusion equations. I will show that drawing on methods from the domain of differential geometry, it...
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SEMINARS, CMSA EVENTS
January 28, 2022 2:30 pmIn this talk, I will describe many-body quantum chaos in a recently proposed large-N theory for critical Fermi surfaces in two spatial dimensions, by computing out-of-time-order correlation functions. I will...
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SEMINARS, CMSA EVENTS
January 27, 2022 9:00 amLet P be a convex subset of R^2. For large d, what is the smallest degree r_d of a polynomial vanishing at all lattice points in the dilate d*P? We show...
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CMSA EVENTS
January 27, 2022 1:00 pmFluids pervade complex systems, ranging from fish schools, to bacterial colonies and nanoparticles in drug delivery. Despite its importance, little is known about the role of fluid mechanics in such...
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