Volume 20 No 22 (2022)
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The radio D-distance in harmonic mean number of a modern graphs.
Dr. K John Bosco , B S Vishnupriya
A graph we mean a finite undirected graph without loops or multiple edges. The order and size of are denoted by and respectively. Graph labelling was introduced by Alexander Rosa in 1967. Radio mean labelling was introduced by S.Somasundaram and R.Ponraj in 2004. Harmonic mean labelling was introduced by S.Somasundaram and S.S.Sandhya in 2012.
Mangolian Tent graph, Diamond graph, Umbrella graph.
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