Simon Brendle: Scalar curvature rigidity of convex polytopes

Date: 2023-07-13

Time: 16:15 - 16:55

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Simon Brendle, Columbia University


We prove a scalar curvature rigidity theorem for convex polytopes. The proof uses the Fredholm theory for Dirac operators on manifolds with boundary. A variant of a theorem of Fefferman and Phong plays a central role in our analysis.