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Journal : Jurnal Matematika UNAND

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THE LOCATING-CHROMATIC NUMBER FOR CERTAIN BARBELL OPERATION ON PIZZA GRAPH AND ITS SUBDIVISION Irawan, Agus; Asmiati, Asmiati
Jurnal Matematika UNAND Vol. 14 No. 3 (2025)
Publisher : Departemen Matematika dan Sains Data FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmua.14.3.293-303.2025

Abstract

In graph theory, the locating-chromatic number is a parameter that characterizes the minimum number of colors required to assign to the vertices of a graph such that each vertex can be uniquely identified by its color and the colors of its neighbors. The locating-chromatic number of a graph refers to a concept in graph coloring, which involves assigning colors to the vertices of a graph in such a way that adjacent vertices do not share the same color. It represents the minimum number of colors needed for a proper vertex coloring. This study investigates the locating-chromatic number of certain barbell operation on pizza graphs and its subdivisions
Co-Authors Abda Abda Ade Surahman Adhie Thyo Priandika Alfian, Muhammad Nuril Ana Istiani, Ana Asmiati Asmiati Ayu Sofia Bernadhita Herindri S. Utami Dani Al Mahkya Dedi Darwis Dwi Mahrani Elisabet Yunaeti Anggraeni Fitriawati , Andi Gilang Primajati Heni Sulistiani Ifan Fadilah Irfan, Miftahul Junaidi Junaidi Lestari, Yushinta Cahya Lumbanraja, Favirusen Rosyking Madonna, Nora Miswan Gumanti Mt, Ma’rufah Hayati Nasrullah Nuning Nurcahyani Nurhasanah Nurhasanah Pasaribu, A. Ferico Octaviansyah Rohaniah Rohaniah Simanjuntak, Erica Grace Siregar, Abian Avisena Siti Mukodimah Sri Ipnuwati Trisnawati Trisnawati Yulita, Tiara