Seminars & Colloquia Calendar
Gluing theorems in positive scalar curvature
Chao Li (Courant Institute, New York University)
Location: Hill 705
Date & time: Tuesday, 19 September 2023 at 1:40PM - 2:40PM
Abstract: Given two Riemannian manifolds with suitable curvature conditions and isometric boundary, can we glue them along their isometric boundary, then desingularize the result while preserving the same curvature conditions? A positive answer to such questions enables one to study deep rigidity and flexibility phenomena for the curvature conditions. In this talk, I will focus on related desingularization results concerning such problems for positive scalar curvature and mean convex (or minimal) boundary conditions. This is based on joint work with Alessandro Carlotto.
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