Time

Jan 30 2008 - 4:30pm - 5:30 pm

Location

H 0232

Speaker

Jean-Francois Lafont (OSU)

Seminar Website

http://www.math.ohio-state.edu/~sgal/ggt/

Abstract

I'll explain how, in the presence of Riemannian non-positive curvature, bi-Lipschitz flats inside asymptotic cones can be used to construct parallel orthogonal Jacobi fields. Applications to geometric problems will be discussed. This was joint work with S. Francaviglia (Univ. Pisa).