Thursday, August 29, 2019 - 3:30pm to 4:30pm
CH 240
Speaker: Rita Gitik
Title: On Geodesic Triangles in the Hyperbolic Plane
Abstract: Let M be an orientable hyperbolic surface without boundary and let c be a closed geodesic in M. We prove that any side of any triangle formed by distinct lifts of c in the hyperbolic plane is shorter than c.