XU Ming - yao . Introduction to Finite Group ( first volume ) [ M ]. Beijing: Science Press, 1999.

徐明曜. 有限群导引 ( 上册 ) [ M ]. 北京: 科学出版社, 1999.

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The supersolvablity and nilpotency of finite group G are characterized using the concept of cover - avoiding subgroups.

利用覆盖 - 远离子群的概念研究了群的超可解性和幂零性.

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Affection on the structure of finite group as the number of maximal order elements is discussed.

本文研究了最高阶元素个数对群结构的影响.

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