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The Medium Domination Number of a Jahangir Graph Jm,n

• P-ISSN 0974-6846 E-ISSN 0974-5645

Indian Journal of Science and Technology

Article

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Indian Journal of Science and Technology

Year: 2015, Volume: 8, Issue: 5, Pages: 400–406

Original Article

Abstract

In 1958 - Claude Berge introduced the domination number of a graph which is used to protect the single vertices. But in 2011 Duygu Vargor and Pinar Dundar initiated the medium domination number of a graph which is utilized to protect the pairs of vertices in a graph.
In a graph every vertices u, v Є V should be privileged and it is essential to scrutinize how many vertices are proficient of dominating both of u and v. We compute the total number of vertices that dominates all pairs of vertices and evaluate the average of this value and call it “the medium domination number” of graph. The medium domination number of G is the minimum cardinality among all the medium domination sets of G.
We prove the main result by two-dimensional induction method. First we are manipulative the medium domination number of J1,3. Then we are calculating the medium domination number of Jm+1,3 and Jm,n+1. Finally we are getting the medium domination number of Jm,n. By using this method we can proficient to observe how many pairs of vertices are dominates in the Jahangir graph Jm,n.
In graph theory, there are many stability parameters such as the connectivity number, the edge-connectivity number, the independence number, the vertex domination number and the domination number. In this paper, we obtained the bound of the medium domination number of Jahangir graph Jm,n

Keywords: Domination Number, Jahangir Graph, Medium Domination Number, TDV

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