An index theory for manifolds with polyhedral boundary and Gromov’s dihedral extremality and rigidity conjectures

Guoliang Yu  (Texas A&M University)

8:00-9:00,August 2,2023   文附楼 (Wenfu Building) 219

Abstract:

In this talk, I will give an introduction to an index theorem for manifolds with polyhedral boundary and explain how to use this index theorem to prove Gromov’s dihedral extremality conjecture on scalar curvature (joint work with Jinmin Wang and Zhizhang Xie).

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