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Article
Publication date: 19 August 2020

T. Tamizh Chelvam and M. Sivagami

Let H…

Abstract

Let H be a connected subgraph of a connected graph G. The H-structure connectivity of the graph G, denoted by κ(G;H), is the minimum cardinality of a minimal set of subgraphs F={H1,H2,,Hm} in G, such that every HiF is isomorphic to H and removal of F from G will disconnect G. The H-substructure connectivity of the graph G, denoted by κs(G;H), is the minimum cardinality of a minimal set of subgraphs F={J1,J2,,Jm} in G, such that every JiF is a connected subgraph of H and removal of F from G will disconnect G. In this paper, we provide the H-structure and the H-substructure connectivity of the circulant graph Cir(n,Ω) where Ω={1,,k,nk,,n1},1kn2 and the hypercube Qn for some connected subgraphs H.

Details

Arab Journal of Mathematical Sciences, vol. 27 no. 1
Type: Research Article
ISSN: 1319-5166

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