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All Journal JMPM: Jurnal Matematika dan Pendidikan Matematika
Nurinsani, Aisyah
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Education Mathematics

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The Bilangan Kromatik Lokasi Gabungan Graf Palem Nurinsani, Aisyah; Welyyanti, Des; Yulianti, Lyra
JMPM: Jurnal Matematika dan Pendidikan Matematika Vol 9 No 1 (2024): March - August 2024
Publisher : Prodi Pendidikan Matematika Universitas Pesantren Tinggi Darul Ulum Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26594/jmpm.v9i1.4828

Abstract

Vertex coloring of a graph is the coloring of vertices such that two adjacent vertices have different colors. The color code of a vertex is the distance from the vertex to the partition of the existing color set. A graph has a locating coloring if each vertex has a different color code. A palm graph is a graph constructed from a cycle graph, path graph, and star graph. A disjoint union of palm graphs is a disconnected graph with palm graphs as its components. The locating chromatic number of graph is the minimum colors of the graph to have locating coloring with k colors. In this paper, we determine the locating chromatic number of a disjoint union of palm graph.
Co-Authors Des Welyyanti Yulianti, Lyra