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首页> 外文期刊>Journal of algebra and its applications >BALANCED UNITARY CAYLEY SIGRAPHS OVER FINITE COMMUTATIVE RINGS
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BALANCED UNITARY CAYLEY SIGRAPHS OVER FINITE COMMUTATIVE RINGS

机译:有限交换环上的平衡统一Cayley图

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Let R be a finite commutative ring with identity 1. The unitary Cayley graph of R, denoted by G_R, is the graph whose vertex set is R and the edge set {{a, b}: a, b ? R and a - b ? R~×}, where R~× is the group of units of R. We define the unitary Cayley signed graph (or unitary Cayley sigraph in short) to be an ordered pair S_R = (G_(R,σ)), where G_R is the unitary Cayley graph over R with signature σ: E(G_R) → {1, -1} given by In this paper, we give a criterion on R for S_R to be balanced (every cycle in S_R is positive) and a criterion for its line graph L(S_R) to be balanced. We characterize all finite commutative rings with the property that the marked sigraph S_(R,μ) is canonically consistent. Moreover, we give a characterization of all finite commutative rings where S_(R, η)(S_R) and L(S_R) are hyperenergetic balanced.
机译:设R是一个恒等式为1的有限交换环。用G_R表示的R的单一Cayley图是其顶点集为R而边集为{{a,b}:a,b? R和a-b? R〜×},其中R〜×是R的单位组。我们将单一Cayley有符号图(或简称为单一Cayley sigraph)定义为有序对S_R =(G_(R,σ)),其中G_R是R上的单一Cayley图,其签名为σ:E(G_R)→{1,-1}在本文中,我们给出了使S_R达到平衡的R准则(S_R中的每个周期均为正)和使其线图L(S_R)得到平衡。我们用标记的sigraph S_(R,μ)规范一致的性质来刻画所有有限的交换环。此外,我们给出了所有有限交换环的特征,其中S_(R,η)(S_R)和L(S_R)是高能平衡的。

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