Geometric Mean Cordial Labeling of Helm Graph
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Abstract
Let be a graph with vertex set and edge set . Let be a mapping. Assign the label is called a geometric mean cordial (GMC) labeling if and , where the number of vertices and edges labeled with is denoted by and respectively. A graph with a GMC labeling is called a GMC graph. In this research article we investigate the GMC labeling of Helm graph and also establish the GMC labeling of some graph operations on Helm graph such as Fusion and Duplication. We also prove that the graph operation Switching on Helm graph does not admit GMC labeling.
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