A reverse vertex – magic labeling on a graph with vertices and e edges is a one- to- one map taking the vertices and edges on to the integers 1, 2, 3,…… with the property that subtract the label on the vertex and the labels of its incident edges is constant, independent of the choice of the vertex. We give the reverse vertex –magic labeling for Generalized Petersen Graphs and Convex Polytopes.
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