ArticleOriginal scientific text
Title
Some properties of the zero divisor graph of a commutative ring
Authors 1, 2
Affiliations
- Department of Mathematics, Palestine Technical University-Kadoorie, Tulkarm, West Bank, Palestine
- Department of Mathematics, Jordan University, Amman 11942 Jordan
Abstract
Let Γ(R) be the zero divisor graph for a commutative ring with identity. The k-domination number and the 2-packing number of Γ(R), where R is an Artinian ring, are computed. k-dominating sets and 2-packing sets for the zero divisor graph of the ring of Gaussian integers modulo n, Γ(ℤₙ[i]), are constructed. The center, the median, the core, as well as the automorphism group of Γ(ℤₙ[i]) are determined. Perfect zero divisor graphs Γ(R) are investigated.
Keywords
automorphism group of a graph, center of a graph, core of a graph, k-domination number, Gaussian integers modulo n, median of a graph, 2-packing, perfect graph, and zero divisor graph
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