Past Member
David M Fisher
Funding provided by the Simons Foundation
From
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David Fisher studies discrete subgroups of Lie groups with a focus on related rigidity phenomena. At IAS, he is focusing on rigidity of actions of higher rank lattices, totally geodesic hypersurfaces in real and complex hyperbolic spaces, and constructions of expanders and superexpanders.
Dates at IAS
Member
School of Mathematics
–
Fall
Degrees
University of Chicago
Ph.D.
1999