# Geometry & Topology

Last updated: 2017/12/16 - 4:21am

#### Length of a shortest closed geodesic in manifolds of dimension 4

##### Nan Wu (University of Toronto)
Monday, January 22 - 3:15 pm
119 Physics

In this talk, we show that for any closed 4-dimensional simply-connected Riemannian manifold $M$ with Ricci curvature $|Ric| \leq 3$, volume $vol(M)>v>0$ and diameter \$diam(M) \leq D...