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The Zariski topology-graph of modules over commutative rings II
Arabian Journal of Mathematics Pub Date : 2020-11-09 , DOI: 10.1007/s40065-020-00301-1
H. Ansari-Toroghy , S. Habibi

Let M be a module over a commutative ring R. In this paper, we continue our study about the Zariski topology-graph \(G(\tau _T)\) which was introduced in Ansari-Toroghy et al. (Commun Algebra 42:3283–3296, 2014). For a non-empty subset T of \(\mathrm{Spec}(M)\), we obtain useful characterizations for those modules M for which \(G(\tau _T)\) is a bipartite graph. Also, we prove that if \(G(\tau _T)\) is a tree, then \(G(\tau _T)\) is a star graph. Moreover, we study coloring of Zariski topology-graphs and investigate the interplay between \(\chi (G(\tau _T))\) and \(\omega (G(\tau _T))\).



中文翻译:

交换环上模块的Zariski拓扑图II

M为交换环R上的模块。在本文中,我们继续对在Ansari-Toroghy等人中引入的Zariski拓扑图\(G(\ tau _T)\)进行研究。(通用代数42:3283–3296,2014年)。对于非空子集Ť\(\ mathrm {规格}(M)\),我们获得用于这些模块有用的表征中号为哪些\(G(\ tau蛋白_T)\)是一个二分图。同样,我们证明如果\(G(\ tau _T)\)是一棵树,那么\(G(\ tau _T)\)是星形图。此外,我们研究Zariski拓扑图的着色,并研究\(\ chi(G(\ tau _T))\)\(\ omega(G(\ tau _T))\)

更新日期:2020-11-09
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