Abstract: In this talk, I will describe some topological-rigidity phenomena that occur in the context of positive scalar curvature. Specifically, I will present a proof that a complete contractible 3-manifold with positive scalar curvature must be homeomorphic to Euclidean 3-space. I will furthermore explain the interplay between minimal surfaces, scalar curvature and the topology at infinity.
Angelegt am Thursday, 14.10.2021 13:54 von Sandra Huppert
Geändert am Tuesday, 19.10.2021 10:53 von Sandra Huppert
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