2005/07/14 | 直积因子[Direct Factor]
类别(∑〖数学〗) | 评论(0) | 阅读(19) | 发表于 20:32
Each of the sets forming a direct product is said to be a direct factor. A group G is said to be a direct factor of the group if is isomorphic to the group direct product for some group H. In the case of Abelian groups, is isomorphic to the direct sum , and direct factor is a synonym for direct summand.
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