The Rocky Mountain Journal of Mathematics, Vol. 40, No. 5 (2010), pp. 1481-1503 (23 pages) Given a commutative semigroup S with 0, where 0 is the unique singleton ideal, we associate a simple graph ...
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. Journal ...
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