Nearly round spheres look convex

Nearly round spheres look convex Ludovic Rifford Universite de Nice - Sophia Antipolis (Joint work with A. Figalli and C. Villani) Ludovic Rifford Workshop on Optimal transportation and applications

• nearly round spheres


• ?? expx


• expx


• round sphere


• injectivity domains


• geodesic between


• compact riemannian


• universite de nice


• look convex


• txm ??