On Zkvertex-magic labeling of prime graph PG(Zn)

Document Type : Research Paper

Authors

Department of Mathematics, Faculty of Mathematics and Sciences, University of Brawijaya, Malang, Indonesia

Abstract

Let G=(V(G),E(G)) be a graph, (A,+) be an Abelian group with identity 0A, and (R,+,) be a ring. The A-vertex-magic labeling of G is a mapping from V(G) to A{0A} such that the total labels of every adjacent vertex with u are equal for every u in V(G). The prime graph over R, denoted by PG(R), is a graph with V(PG(R))=R such that uv is an edge if and only if uRv={0R} or vRu={0R}, for every vertex uv. In this article, we discuss the Zk-vertex-magic labeling of the prime graph over ther ring Zn. We study some literature to develop the properties of Zk-vertex-magic labeling of PG(R). We investigate some classes of prime graphs over ring Zn for n=p,n=p2, and n=pq, with pq primes.

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