[求助] 为什么一时说黎曼几何是非欧几何，一时又说黎曼几何是微分几何 已有5人参与

3楼: Originally posted by sskkyy at 2015-09-20 09:32:07
名称而已，每个人不同的叫法，他们三个的侧重点不一样。但是黎曼几何是非欧几何还是第一次听说，可否有具体出处？

2楼: Originally posted by zaq123321 at 2015-09-20 05:14:10
Riemannian geometry is a global differential geometry. Locally we can define local coordinates and treat it as Euclidean space. We can define inner product, metric and angle etc. Differential geometr ...

7楼: Originally posted by 俄罗斯棕熊 at 2015-09-20 12:35:09
这是不同角度说的