The congruences on a regular semigroup is completely determined by its idempotent congruence classes.
正则半群上的同余是由其幂等元同余类所完全决定的。
The Green relations on a regular semigroup with inverse transversals play important roles in studying the nature of this sort of semigroup.
具有逆断面的正则半群的格林关系在研究该类半群的性质时起到非常大的作用。
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.
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。
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