Circumcenter extension maps for Hadamard manifolds

April 16, 2020 6:00pm UTC

April 16, 2020 2:00pm UTC -04 (Host local time)

Speaker: Merlin Incerti-Medici (University of Zurich) - Hosted by Ohio State University

Abstract:
Given a CAT(-1) space, we can associate to it a boundary at infinity and a cross ratio on said boundary. There is a series of results that tell us that, for sufficiently nice CAT(-1) spaces, the boundary together with the cross ratio uniquely determines the interior space. (...)