The conjugacy relation is an important tool in the study of group theory and now has been
generalized to semigroups in several methods. In particular, the p-conjugacy, o-conjugacy, c …

The theory of congruences on semigroups is an important part in the theory of semigroups.
The aim of this paper is to study (2, 1)-congruences on a glrac semigroup. It is proved that …

型B半群上的同余 Page 1 山东大学学报(理学版)2023年2月第58卷第2期 E-mail:xblxb@sdu.edu.cn
Journal of Shandong University(Natural Science)ꎬ Vol.58ꎬ No.2ꎬ 2023 http:/ / lxbwk.njournal.sdu.edu.cn …

The main aim of this article is to study admissible congruences on a type B semigroup. First,
we give characterizations of the minimum admissible congruence whose trace is a normal …

In this article, the notions of∼ admissible congruences and∼ normal congruences on a
weakly type B semigroup are characterized and the relationship between∼ admissible …

Restriction semigroups are common generalizations of ample semigroups and inverse
semigroups. The main aim of this paper is to probe restriction semigroups with certain …

Abstract All the (2, 1)-congruences on a left restriction semigroup become a complete
sublattice of its lattice of congruences. The aim of this article is to study certain fundamental …

This paper mainly investigates the localization of a type B semigroup. Firstly, the unique
localization of a type B semigroup on its idempotent semilattice is given, and some …