2005/07/22 | 外直和[External Direct Sum]
类别(∑〖数学〗) | 评论(0) | 阅读(35) | 发表于 20:00
The Cartesian product of a finite or infinite set of modules over a ring with only finitely many nonzero entries in each sequence.
0

评论Comments

日志分类
首页[1408]
∑〖数学〗[349]
Ω〖物理〗[357]
¤〖天文〗[343]
℃〖化学〗[359]