Rocky Mountain Journal of Mathematics

When the comaximal and zero-divisor graphs are ring graphs and outerplanar

Mojgan Afkhami

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In this paper, we characterize the finite commutative rings such that their comaximal graph (or zero-divisor graph) are ring graphs, and we also study the case where they are outerplanar.

Article information

Rocky Mountain J. Math., Volume 44, Number 6 (2014), 1745-1761.

First available in Project Euclid: 2 February 2015

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Mathematical Reviews number (MathSciNet)

Zentralblatt MATH identifier

Primary: 05C10: Planar graphs; geometric and topological aspects of graph theory [See also 57M15, 57M25] 13M05: Structure

Comaximal graph zero-divisor graph ring graph outerplanar


Afkhami, Mojgan. When the comaximal and zero-divisor graphs are ring graphs and outerplanar. Rocky Mountain J. Math. 44 (2014), no. 6, 1745--1761. doi:10.1216/RMJ-2014-44-6-1745.

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