David M Fisher headshot
Past Member

David M Fisher

Funding provided by the Simons Foundation

Affiliation

Mathematics

Field of Study

Rigidity in Dynamics and Geometry
From
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