An arithmetic property of the set of angles between closed geodesics on hyperbolic surfaces of finite type
Sugata Mondal
所有作者
Sugata Mondal
文献摘要
For a hyperbolic surface S of finite type we consider the set A(S) of angles
between closed geodesics on S. Our main result is that there are only finitely
many rational multiples of \pi in A(S).