This paper gives necessary and sufficient conditions for the Semidirect and Wreath Products of two semigroups to be Rectangular Quasi-Regular Semigroups (Rectangular Groups).
给出了两个半群的半直积和圈积为矩形拟正则半群和矩形群的充要条件。
In this paper, we have given some characteristics and structures of a kind special quasi-regular semigroups, that is, the inflation of matrix of groups.
本文给出了一类特殊拟正则半群，即群的矩阵的膨胀的一系列刻划。
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