Equivalent notions of rank for manifolds of non-positive curvature and for mapping class groups of surfaces
|What||Seminar Geometry and Analysis on Groups|
from 15:00 to 17:00
|Add event to calendar||
Cornelia Drutu Badea (Oxford)
Abstract. The talk shall overview various notions of rank coming from Riemannian geometry and the known results connecting them, then explain what happens for mapping class groups and in particular why three dierent notions of rank are equal in that case. This is a joint result with J. Behrstock.