JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) ›› 2024, Vol. 59 ›› Issue (12): 46-53.doi: 10.6040/j.issn.1671-9352.0.2023.142

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Several classes of good congruences on r-wide semigroups

SHAO Lei, GONG Chunmei*   

  1. School of Science, Xian University of Architecture and Technology, Xian 710055, Shaanxi, China
  • Published:2024-12-12

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Abstract: Several classes of good congruences on r-wide semigroups are characterized by(*,~)-Greens relations. It is showed that for r-wide semigroups, such as the least class of(left; right)regular bands-good congruence, the least class of(left; right)regular quasi-weakly adequate semigroups-good congruence and so on.

Key words: (*,~)-Greens relation, r-wide semigroup, good congruence

CLC Number: 

  • O152.7
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