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Commuting Maps on Certain Incidence Algebras
Bulletin of the Iranian Mathematical Society ( IF 0.7 ) Pub Date : 2019-08-26 , DOI: 10.1007/s41980-019-00289-1 Hongyu Jia , Zhankui Xiao
Bulletin of the Iranian Mathematical Society ( IF 0.7 ) Pub Date : 2019-08-26 , DOI: 10.1007/s41980-019-00289-1 Hongyu Jia , Zhankui Xiao
Let \({\mathcal {R}}\) be a 2-torsion-free commutative ring with unity, X a locally finite pre-ordered set with a finite number of connected components and \(I(X,{\mathcal {R}})\) the incidence algebra of X over \({\mathcal {R}}\). In this paper, we give a sufficient and necessary condition for a commuting map on \(I(X,{\mathcal {R}})\) to be proper.
中文翻译:
在某些入射代数上通勤地图
令\({\ mathcal {R}} \)是一个无扭转的2交换环,X是一个局部有限的有序集合,具有有限数量的连接分量,并且\(I(X,{\ mathcal { R}})\)X在\({\ mathcal {R}} \)上的入射代数。在本文中,我们为\(I(X,{\ mathcal {R}})\)上的换向图给出适当的充要条件。
更新日期:2019-08-26
中文翻译:
在某些入射代数上通勤地图
令\({\ mathcal {R}} \)是一个无扭转的2交换环,X是一个局部有限的有序集合,具有有限数量的连接分量,并且\(I(X,{\ mathcal { R}})\)X在\({\ mathcal {R}} \)上的入射代数。在本文中,我们为\(I(X,{\ mathcal {R}})\)上的换向图给出适当的充要条件。