摘要
设X为有限集合,OPPE(X)为TE(X)中局部方向保序变换半群.研究了OPPE(X)的G reen关系与正则性.
Let X be a finite set, OPPE (X) are semigroups of transformations partially preserving orientation in TE (X) . This paper discusses Green' s relations and regularities of OPPE (X) .
出处
《贵州师范大学学报(自然科学版)》
CAS
2009年第2期79-82,共4页
Journal of Guizhou Normal University:Natural Sciences
基金
贵州师范大学学生科研研究基金
关键词
局部方向保序
保等价关系
Green关系
正则性
partially preserving orientation
preserving equivalence relation
Green' s relations
regularity