2005/10/19 | 扩域次数[Extension Field Degree]
类别(∑〖数学〗) | 评论(0) | 阅读(20) | 发表于 20:47
The degree (or relative degree, or index) of an extension field , denoted , is the dimension of as a vector space over , i.e.,



If is finite, then the extension is said to be finite; otherwise, it is said to be infinite.
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