Super-Edge-Connectivity and Zeroth-Order Randić Index

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  • 1 School of Mathematics and Information Science, Yantai University, Yantai 264005, Shandong, China;
    2 Department of Mathematical Science, Tsinghua University, Beijing 100084, China

Received date: 2017-08-27

  Revised date: 2018-07-17

  Online published: 2019-11-28

Supported by

This work is supported by the National Natural Science Foundation of China (Nos. 11501490, 61373019, 13071107) and by the Natural Science Foundation of Shandong Province (No. ZR2015AM006).

Abstract

Define the zeroth-order Randić index R0(G)=∑xV(G) 1/√dG (x), where dG(x) denotes the degree of the vertex x. In this paper, we present two sufficient conditions for graphs and triangle-free graphs to be super-edge-connected in terms of the zeroth-order Randić index, respectively.

Cite this article

Zhi-Hong He, Mei Lu . Super-Edge-Connectivity and Zeroth-Order Randić Index[J]. Journal of the Operations Research Society of China, 2019 , 7(4) : 615 -628 . DOI: 10.1007/s40305-018-0221-7

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