I will talk about some ideas that are essential to build a general framework for topological phases in arbitrary dimensions. I will also discuss how these ideas are applied when...
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via Zoom Video Conferencing: link TBA The anisotropic Calderon inverse problem consists in recovering the metric of a compact connected Riemannian manifold with boundary from the knowledge of the Dirichlet-to-Neumann...
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via Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 We study the nonlinear Schroedinger equation (NLS) with bounded initial data which does not vanish at infinity. Examples include periodic, quasi-periodic and random initial data....
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will speak on: The goal of this talk is to precisely describe how certain operator properties of continuum QFT (e.g. operator product expansions, current algebras, vertex operator algebras) emerge from...
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via Zoom Video Conferencing: https://harvard.zoom.us/j/972495373 The Oppenheim Conjecture, proved by Margulis, states that any irrational quadratic form, has values (at integer coordinates) that are dense on the real line. However,...
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via Zoom Video Conferencing: https://harvard.zoom.us/j/136830668 (joint w/ Arul Shankar) We discuss a new method to bound 5-torsion in class groups of quadratic fields using the refined BSD conjecture for elliptic curves. The most...
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via Zoom Video Conferencing: https://harvard.zoom.us/j/977347126 Every physicist knows that the classical electromagnetism is described by Maxwell's equations and that it is invariant under the electromagnetic duality S: (E, B) →...
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via Zoom Video Conferencing: link TBA I will report on some recent progress on the problem of understanding the collapsing behavior of Ricci-flat Kahler metrics on Calabi-Yau manifolds that admit...
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via Zoom Video Conferencing: https://harvard.zoom.us/j/779283357 Circularly polarized light (i.e. helicity) is a concept defined in terms of plane wave expansions of solutions to Maxwell's equations. We wish to find an...
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*note unusual time* via Zoom Video Conferencing: https://harvard.zoom.us/j/362172385 Title and Abstract TBA
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