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Scalar Curvature Rigidity of Polytopes

Centre de recherches mathématiques - CRM via YouTube

Overview

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Explore a captivating lecture on the scalar curvature rigidity of polytopes, delivered by Simon Brendle as part of the Aisenstadt Chair Lecture Series. Delve into the fascinating world of differential geometry, focusing on Riemannian metrics and curvature positivity conditions. Discover Gromov's proposed comparison principle for polytopes with nonnegative scalar curvature, inspired by Toponogov's triangle comparison theorem. Learn about a recent result verifying Gromov's conjecture under stronger hypotheses, utilizing Fredholm theory for Dirac operators on manifolds with boundary and a harmonic analysis estimate by Fefferman and Phong. Gain insights into this central theme in differential geometry and its implications for understanding the properties of polytopes and manifolds.

Syllabus

Simon Brendle: Scalar curvature rigidity of polytopes

Taught by

Centre de recherches mathématiques - CRM

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