20 mar 2013 -- 17:00 [open in google calendar]
Sala Seminari, Dipartimento di Matematica, Universita` di Pisa
Abstract.
After a short introduction on sub-Riemannian geodesics, we shall present some recent results on the best regularity known for length minimizing curves. We shall try to explain the reasons why the problem is still unsolved after more than 30 years.