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All Journal JURNAL AXIOMA : Jurnal Matematika dan Pembelajaran
Saputra, Guntari
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Education Mathematics

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Pewarnaan Titik Ketakteraturan Lokal Graf Pensil Kristiana, Arika Indah; Saputra, Guntari
Jurnal Axioma : Jurnal Matematika dan Pembelajaran Vol. 9 No. 1 (2024): Januari
Publisher : Universitas Islam Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/axi.v9i1.2492

Abstract

The graph used in this paper is a simple and connected graph consisting of a set of vertices  and a set of edge . A function  is called vertex irregulaarity labelling and . If for every ,  where  and  then, f is called local irregularity vertex coloring. The chromatic number of the local irregular vertex coloring of graph  is denoted by , which is the minimum cardinality of the largest label of all local irregular vertex coloring. In this article we will learn about coloring points of local irregularities in pencil graphs and finding the exact value of the chromatic number. Keywords: local irregularity; vertex coloring; pencil graphs
Co-Authors Arika Indah Kristiana