It is well known that congruences on regular semigroups are good.
众所周知，正则半群上的同余都是好同余。
There exists an irregular semigroups in which joins of good congruences are good.
存在所有好余的并都是好余的非正则半群。
In this article, we investigate H-related congruences on completely regular semigroups.
本文研究了完全正则半群上的H -相关同余。
On this base, some properties of fuzzy good congruences on adequate semigroups are given.
在此基础上，给出了适当半群上模糊好同余的性质。
In Chapter 2, we will study good congruences on perfect rectangular bands of adequate semigroups.
在第二章，我们主要研究了适当半群的完备矩形带上的良同余。
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。
In this paper, the concepts of star element, star ideals and star congruences of a semiring are introduced.
本文引入了半环的星元素、星理想、星同余等概念，得到了半环的星同余的一些重要性质。
This paper has investigated the system of congruences and given them the asymptotic formula of the number of solutions.
给出了一类同余方程组解数的公式或渐近公式。
Then we study the idempotent-separating congruences on the orthogroups with group kernel normal systems and give it a simple rep.
利用群核正规系讨论了纯正群的幂等元分离同余。
The rectangular group congruences on eventually orthodox semigroup were characterized by means of weak inverse and kernel-trace approach.
利用弱逆和核迹方法，刻画了毕竟纯整半群上的矩形群同余。
Then group congruences, the least group congruence, regular congruence, and idempotent-seperating congruence on such semigroups are obtained.
其次，对这类半群上的群同余、最小群同余、正则同余、幂等分离同余做了进一步研究。
We are interested in the congruences between the two, where the Campus Center can, through its multiple program, initiate and corroborate the wider objectives the institute wishes to address.
我们感兴趣的是两者之间的同余，在校园里，可以通过它的多种方案，开展更广泛的目标，并证实了该研究所希望解决。
We are interested in the congruences between the two, where the Campus Center can, through its multiple program, initiate and corroborate the wider objectives the institute wishes to address.
我们感兴趣的是两者之间的同余，在校园里，可以通过它的多种方案，开展更广泛的目标，并证实了该研究所希望解决。
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