Second order concentration on the sphere

Orateur: BOBKOV Sergey
Localisation: Université du Minnesota, États-Unis
Type: Groupe de travail analyse, probabilités et statistique
Site: UPEM
Salle: 3B075
Date de début: 23/06/2015 - 10:00
Date de fin: 23/06/2015 - 10:00

Mean zero Lipschitz functions on the unit n-sphere with Lipschitz seminorm 1 are known to be of order at most 1/\sqrt{n}. We will be discussing conditions on functions which ensure the order at most 1/n. Based on a joint work with G. Chistyakov and F. Goetze.