One of the attributes about my millennial friend Jonathan is his open-mindedness. Much of his quality might be due to his age being much closer to the teens than mine is. 418 more words
Tags » Rigidity
Here I would like to point a version local length spectrum rigidity for hyperbolic surfaces.
Let be a surface of genus . If is negatively curved Riemannian metric on then each non-trivial homotopy class of loops on contains a unique unit speed geodesic representative. 767 more words