Neighbor Toughness of Graphs
Journal: Bulletin of the International Mathematical Virtual Institute (Vol.6, No. 2)Publication Date: 2016-12-19
Authors : Omur Kivanc Kurkcu; Huseyin Aksan;
Page : 135-141
Keywords : Graph theory; Vulnerability; Connectivity; Integrity; Neighbor In- tegrity; Toughness; Neighbor Toughness.;
Abstract
The vulnerability shows the resistance of the network until communication breakdown after the disruption of certain stations or communication links. This study introduces a new vulnerability parameter, neighbor toughness. The neighbor toughness of a graph G is defined as NT(G) = minf jSj !(G=S) : !(G=S) > 1g, where S is any vertex subversion strategy of G and !(G=S) is the number of connected components in the graph G=S. In this paper, the relations between neighbor toughness and other parameters are determined and the neighbor toughness of some specific graphs are obtained.
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Last modified: 2016-12-20 02:10:31