摘要
本文讨论了双循环半群S上的同余,给出了S的幂等元半格E=Cω上的同余τ是正规同余当且仅当τ=ωE,且.满足trρ=ωE的同余中最大的同余是ωS,最小的同余是ωτ,即S的群同余类区间为[ωτ,ωS].
In this paper, we discuss congruences of the bicyclic semi group. The results have been shown that the bicyclic semigroup has the group congruences class [ ωτ,ωS ].
出处
《青海师专学报》
2005年第4期8-10,共3页
Journal of Qinghai Junior Teachers' College
关键词
双循环半群
正规同余
群同余
Bicyclic semigroups
Normal congruence
Group congruence
