利用环中的群元素刻画了环的单位正则性。

In this paper, we investigate unit regularity by virtue of group members in regular rings.

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本文研究有限群元素共轭类的平均长度问题。

This paper studies problem of the average length of conjugacy classes of finite groups.

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摘要本文研究有限群元素共轭类的平均长度问题。

This paper studies problem of the average length of conjugacy classes of finite groups.

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