介绍弱左正则幺半群的概念，指出在可交换半群中，完全正则、弱左(右)正则和完全幂等是等价的。
In this paper, we introduce the notion of left weakly regular semigroup and show that in a commutative semigroup, the complete regularity, regularity, left resp.
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。
This paper gives necessary and sufficient conditions for the Semidirect and Wreath Products of two semigroups to be Rectangular Quasi-Regular Semigroups (Rectangular Groups).
给出了布尔群代数半群中的幂等元、极大子群和正则元的结构以及幂等元和正则元的个数。
The structure of the idempotent elements, regular elements and maximal subgroups and the number of the idempotent elements and regular elements in Boolean group algebra are given.
对拟内正则序半群给出了在理想和格林关系理论方面的若干刻划。
Ideal and Greens relation theoretical characterizations of quasi intra regular ordered semigroups are given.
正则半群和I -逆正则半群是正则半群和逆正则半群在序半群中的推广，它们是两类重要的序半群。
I-regular and I-inverse semigroups are two important classes ordered semigroups as a generalization of regular and inverse semigroups.
最后我们利用序模糊点和模糊双理想对正则舵序半群给出了刻画。
Finally, we characterize regular duo ordered semigroup s by ordered fuzzy points and fuzzy bi-ideals of s.
最后我们利用序模糊点和模糊双理想对正则舵序半群给出了刻画。
Finally, we characterize regular duo ordered semigroup s by ordered fuzzy points and fuzzy bi-ideals of s.
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