Also, the paper discuss the existence of the infinite closed geodesics of a compact no-simply connected Riemannian manifold.

并由此讨论了紧致的非单连通黎曼流形上无穷多的闭测地线存在性问题。

youdao

Let m be a compact and connected Riemannian manifold.

设m是紧致连通的黎曼流形。

youdao

Let m be a compact and connected Riemannian manifold.

设m是紧致连通的黎曼流形。

youdao