Contents

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The Total Edge-irregular Strengths of the Corona Product of Paths with Some Graphs

Nurdin 1, A.N.M. Salman1, E.T. Baskoro1
1Combinatorial Mathematics Research Division Faculty of Mathematics and Natural Sciences Institut Teknologi Bandung (ITB) Jl. Ganesa 10 Bandung 40132

Abstract

For a simple graph G=(V(G),E(G)) with the vertex set V(G) and the edge set E(G), a labeling λ:V(G)E(G){1,2,,k} is called an edge-irregular total k-labeling of G if for any two different edges e=e1e2 and f=f1f2 in E(G) we have wt(e)wt(f) where wt(e)=λ(e1)+λ(e)+λ(e2). The total edge-irregular strength, denoted by tes(G), is the smallest positive integer k for which G has an edge-irregular total k-labeling. In this paper, we determine the total edge-irregular strength of the corona product of paths with some graphs.

Keywords: corona product, cycle, friendship, gear, path, star, total edge-irregular strength, wheel