%0 Journal Article
%T Classification of Almost Quarter-Pinched Manifolds
%A Peter Petersen
%A Terence Tao
%J Mathematics
%D 2008
%I arXiv
%X We show that if a simply connected manifold is almost quarter pinched then it is diffeomorphic to a CROSS (a compact rank one symmetric space) or a sphere.
%U http://arxiv.org/abs/0807.1900v1