%0 Journal Article
%T The length of the shortest closed geodesics on a positively curved manifold
%A Yoe Itokawa
%A Ryoichi Kobayashi
%J Mathematics
%D 2008
%I arXiv
%X We give a metric characterization of the Euclidean sphere in terms of the lower bound of the sectional curvature and the length of the shortest closed geodesics.
%U http://arxiv.org/abs/0805.2793v1