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Topological obstructions to positive curvature and symmetry

Topological obstructions to positive curvature and symmetry
Date:

18.07.2013

Place:

Raum 1C-04
im Allianzgebäude (05.20)

Speaker:

Dr. Lee Kennard 

Time:

14:00 Uhr

Abstract: There are few topological obstructions to the existence of Riemannian metrics with positive sectional curvature. On the other hand, except for spheres and projective spaces, all known examples on closed, simply connected manifolds exist in dimensions at most 24. In this talk, I will report on recent work with M. Amann on topological obstructions to positive curvature and symmetry in these dimensions.