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Higher homotopy groups of spaces of nonnegatively curved metrics and pseudoisotopies


Speaker: Vitaly Kapovitch, University of Toronto
Location: 2112 MSB
Start time: Tue, Feb 17 2015, 3:10PM

We construct examples of noncompact manifolds M for which the space of nonnegatively curved metrics on M has some nontrivial higher homotopy groups. This is joint work with Igor Belegradek and Tom Farrell.