Commun. Korean Math. Soc. 2019; 34(2): 391-399
Online first article March 26, 2019 Printed April 30, 2019
https://doi.org/10.4134/CKMS.c180172
Copyright © The Korean Mathematical Society.
Sang Cheol Lee, Rezvan Varmazyar
Chonbuk National University; Islamic Azad University
Let $R$ be a commutative ring with identity and let $M$ be an $R$-module. The main purpose of this paper is to calculate the chromatic number of the zero-divisor graphs over modules.
Keywords: zero-divisor graphs of modules, chromatic number, clique number
MSC numbers: Primary 05C15, 13C12, 05C25, 05C38
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