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两类完全正则半群的同态和同余
引用本文:宁群,张建刚,刘国新.两类完全正则半群的同态和同余[J].数学杂志,2007,27(5):557-562.
作者姓名:宁群  张建刚  刘国新
作者单位:1. 宿州学院数学系,安徽宿州,234000
2. 上海师范大学数学系,上海,200234
3. 西南师范大学数学系,重庆,400715
基金项目:致谢 衷心感谢审稿人对本文提出的宝贵的修改意见和建议!
摘    要:本文研究了密群的同态和纯正群的幂等元分离同余.定义了密群的半格类之间的一种映射,利用该映射,半格的同态及完全单半群上的同态刻画了密群间的同态.利用群核正规系讨论了纯正群的幂等元分离同余.并给出其一种简单的表示形式.

关 键 词:密群  纯正群  群核正规系
文章编号:0255-7797(2007)05-0557-06
修稿时间:2005-01-042005-06-30

HOMOMORPHISMS AND CONGRUENCES OF TWO KINDS OF COMPLETELY REGULAR SEMIGROUPS
NING Qun,ZHANG Jian-gang,LIU Guo-xin.HOMOMORPHISMS AND CONGRUENCES OF TWO KINDS OF COMPLETELY REGULAR SEMIGROUPS[J].Journal of Mathematics,2007,27(5):557-562.
Authors:NING Qun  ZHANG Jian-gang  LIU Guo-xin
Institution:1. Dept. of Math. ,Suzhou College ,Suzhou 234000,China;2. Dept. of Math. , Shanghai Normal University, Shanghai 200234,China;3. Dept. of Math. , Southwest Normal University, Chongqing 400715 ,China
Abstract:In this paper, we give some study of the homomorphisms of crytogroups and the idempotent-separating congruences on orthogroups.We first define a kind of functions between the different semilattices of the cryptogroups.By the homomorphisms of the semilattice and completely simple semigroup, the functions have defined, we give a characterization of the homomorphisms of cryptogroups. Then we study the idempotent-separating congruences on the orthogroups with group kernel normal systems and give it a simple representation.
Keywords:cyrptogroup  orthogroup  group kernel normal system
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