摘要: Group Theory 2.26 Definition. A group is an ordered pair \((G,*)\), such that: Exists an identity \(e\), s.t. \(e*a=a*e=a\) for \(\forall a\in G\) \(\ 阅读全文
posted @ 2024-02-28 22:20 tzc_wk 阅读(368) 评论(2) 推荐(0)