Characterization of Double Domination of Star Graph Families

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V.G. RAJU, M. BABU, M. HAJ MEERAL

Abstract

A subset Sof V (G) is a “double dominating set” for G if S dominates every vertex of G at least twice. The minimum cardinality of a double dominating set is called double domination number and is denoted by γdd. In this paper, the double domination number of central, middle and total graphs of star graph is found.

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