My research area is geometric geometry, geometric topology and geometric group theory. Occasionally, I apply these to other fields, like algebraic geometry and representation theory.
36 Does the curvature determine the metric? Jun 21 '12
33 Understanding groups that are not linear Oct 21 '12
32 What is the Krull dimension of the ring of holomorphic functions on a complex manifold? Apr 20 '12
29 Open immersions of open manifolds Jun 19 '12
28 good covers of manifolds May 11 '14