2005/11/12 | 伽罗瓦理论[Galois Theory]
类别(∑〖数学〗) | 评论(0) | 阅读(50) | 发表于 10:40
If there exists a one-to-one correspondence between two subgroups and subfieldsu/u] such that
(1)

(2)

then is said to have a Galois theory.
A Galois correspondence can also be defined for more general [u]categories.
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