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IE·(X)中E类保序或反保序变换半群的Green关系
引用本文:龙伟锋,徐波.IE·(X)中E类保序或反保序变换半群的Green关系[J].贵州教育学院学报,2013(9):7-8.
作者姓名:龙伟锋  徐波
作者单位:贵州师范大学数学与计算机科学学院,贵州贵阳550001
基金项目:贵州省科学技术基金(黔科合J字LkS[2013]Ol号).
摘    要:设X为有限集合,E为X上的等价关系且Ix为x上的对称逆半群。令IE·(X)={f∈,Ix(x,y)∈E当且仅当(f(x),f(y))∈E},则IE·(X)是Ix的逆子半群。设DIE·(X)为IE·(X)中所有E类保序或反保序变换构成的半群,讨论了它的Green关系。

关 键 词:保序  反保序  等价关系  Green关系

The Green's relations of semigroup of order- preserving or order - reserving transformations in E classes for IE· (X)
LONG Wei-feng,XU Bo.The Green's relations of semigroup of order- preserving or order - reserving transformations in E classes for IE· (X)[J].Journal of Guizhou Educational College(Social Science Edition),2013(9):7-8.
Authors:LONG Wei-feng  XU Bo
Institution:(School of Mathematics and Computer Science, Guizhou Normal University, Guiyang, Guizhou, 550001 )
Abstract:Let Ix be the symmetric inverse semigroup on the finite set X, E be an equivalence on X and defineIE. (X) = {f ∈ Ix : (x,y) ∈ E (f(x) ,f(y) ) ∈ E} . then IE. (X) forms an inverse subsemigroup of Ix. Let DIE. (X) be a semigroup consisting of all preserving order or order -reserving transformations in E classes for IWE. (X) . This paper deals with the Green' s relations of it.
Keywords:order - preserving  order - reserving  equivalence  Green' s relations
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