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On the extremal graphs of diameter 2 with respect to the eccentric resistance-distance sum

机译:关于偏心电阻距离总和直径2的极端图

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Given a connected graph G, the eccentric resistance-distance sum of G is defined as (G) Sigma V-{u,upsilon}subset of(G) (epsilon(G)(u)+epsilon(G)(upsilon))R-u upsilon, where epsilon(G)(.) is the eccentricity of the corresponding vertex and R. is the resistance-distance between u and u in G. In this paper, the graphs of diameter 2 with the largest, second largest, third largest, smallest, second smallest and third smallest eccentric resistance -distance sums are identified, respectively. The main tools are standard results of electrical networks. (C) 2017 Elsevier B.V. All rights reserved.
机译:给定连接图G,G的偏心距离和G的偏心距离和定义为(g)Sigma V- {U,Upsilon}子集(G)(epsilon(g)(u)+ epsilon(g)(upsilon)) Ru Upsilon,epsilon(g)(。)是相应的顶点的偏心和R.是G的电阻距离。在本文中,直径2的图表,最大,第二大,第三 鉴定了最大,最小,第二最小和第三最小偏心电阻 - 等距离。 主要工具是电网的标准结果。 (c)2017 Elsevier B.v.保留所有权利。

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