摘要
众所周知,纯正群并是正则半群类中的一类重要半群,本文定义Ehresmann型wrpp半群,它是纯正群并在wrpp半群类中的推广,给出了此类半群的若干刻划.
It is well known that orthogroups are important semigroups in the class of regular semigroups.We now intrduce the class of Ehresmann-typed wrpp semingroups in the class of wrpp semigroups.Ehresmann-typed wrpp semingroups are analogues of orthogroups in the class of wrpp semigroups.Some structure theorems of Ehresmann-typed wrpp semigroups are given.
出处
《山东师范大学学报（自然科学版）》
CAS
2005年第3期4-6,共3页
Journal of Shandong Normal University(Natural Science)
基金
国家自然科学基金资助项目(10071068)
