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The Zero divisor Graph of a commutative ring $R$, denoted by $\Gamma[R]$, is a graph whose vertices are non-zero zero divisors of $R$ and two vertices are adjacent if their product is zero. In this paper, we consider the zero divisor graph…

Rings and Algebras · Mathematics 2017-07-18 B. Surendranath Reddy , Rupali. S. Jain , N. Laxmikanth

The zero-divisor graph $\Gamma(R)$ of a ring $R$ is a graph with nonzero zero-divisors of $R$ as vertices and distinct vertices $x,y$ are adjacent if $xy=0$ or $yx=0$. We provide an equivalence relation on a ring $R$ and express $\Gamma(R)$…

Spectral Theory · Mathematics 2022-04-01 Krishnat D. Masalkar , Anil Khairnar , Anita Lande , Avinash Patil

The regular graph of ideals of the commutative ring $R$, denoted by ${\Gamma_{reg}}(R)$, is a graph whose vertex set is the set of all non-trivial ideals of $R$ and two distinct vertices $I$ and $J$ are adjacent if and only if either $I$…

Combinatorics · Mathematics 2015-07-22 Farzad Shaveisi

The Zero divisor Graph of a commutative ring $R$, denoted by $\Gamma[R]$, is a graph whose vertices are non-zero zero divisors of $R$ and two vertices are adjacent if their product is zero. In this paper we derive the Vertex and Edge…

Rings and Algebras · Mathematics 2018-07-11 B. Surendranath Reddy , Rupali. S. Jain , N. Laxmikanth

The Zero divisor Graph of a commutative ring $R$, denoted by $\Gamma[R]$, is a graph whose vertices are non-zero zero divisors of R and two vertices are adjacent if their product is zero. The compressed zero divisor graph $\Gamma_E[R]$ is…

Rings and Algebras · Mathematics 2020-01-07 B. Surendranath Reddy , Rupali S. Jain , N. Laxmikanth

We investigate eigenvalues of the zero-divisor graph $\Gamma(R)$ of finite commutative rings $R$ and study the interplay between these eigenvalues, the ring-theoretic properties of $R$ and the graph-theoretic properties of $\Gamma(R)$. The…

Combinatorics · Mathematics 2019-10-29 Katja Mönius

Let $R$ be a commutative ring with unity. The prime ideal sum graph of the ring $R$ is a simple undirected graph whose vertex set is the set of nonzero proper ideals of $R$ and two distinct vertices $I$ and $J$ are adjacent if and only if…

Combinatorics · Mathematics 2023-08-09 Praveen Mathil , Jitender Kumar

Let R be a commutative ring with identity. In this paper, we introduce and investigate the second ideal intersection graph SII(R) of R with vertices are non-zero proper ideals of R and two distinct vertices I and J are adjacent if and only…

Commutative Algebra · Mathematics 2024-07-18 F. Farshadifar

The zero-divisor graph $\Gamma(R)$ of an associative ring $R$ is the graph whose vertices are all nonzero zero-divisors (one-sided and two-sided) of $R$, and two distinct vertices $x$ and $y$ are joined by an edge iff either $xy=0$ or…

Rings and Algebras · Mathematics 2012-01-18 Yu. N. Maltsev , A. S. Kuzmina

Let $R$ be a commutative ring and $I$ be an ideal of $R$. The amalgamated duplication of $R$ along $I$ is the subring $R\Join I:=\{(r,r+i)| r\in R, i\in I\}$ of $R\times R$. This paper investigates the extended zero-divisor graph of the…

Commutative Algebra · Mathematics 2024-07-04 Brahim El Alaoui , Raja L'hamri

For a commutative semigroup $S$ with 0, the zero-divisor graph of $S$ denoted by $\Gamma(S)$ is the graph whose vertices are nonzero zero-divisor of $S$, and two vertices $x$, $y$ are adjacent in case $xy=0$ in $S$. In this paper we study…

Group Theory · Mathematics 2007-05-23 Hamid Reza Maimani , Mojgan Mogharrab , Siamak Yassemi

Let $R$ be a commutative ring with $\Z(R)$ its set of zero-divisors. In this paper, we study the total graph of $R$, denoted by $\T(\Gamma(R))$. It is the (undirected) graph with all elements of $R$ as vertices, and for distinct $x, y\in…

Commutative Algebra · Mathematics 2010-02-01 Hamid Reza Maimani , Cameron Wickham , Siamak Yassemi

For a ring $R$, the zero-divisor graph is a simple graph $\Gamma(R)$ whose vertex set is the set of all non-zero zero-divisors in a ring $R$, and two distinct vertices $x$ and $y$ are adjacent if and only if $xy=0$ or $yx=0$ in $R$. By…

Spectral Theory · Mathematics 2023-12-18 Krishnat Masalkar , Anil Khairnar , Anita Lande , Lata Kadam

This paper introduces a new approach to associating a graph with a commutative ring. Let $R$ be a commutative ring with identity. The unit-zero divisor graph of a commutative ring $R$, denoted by $G_{UZ}(R)$, offers a novel framework for…

Commutative Algebra · Mathematics 2025-06-16 Vika Yugi Kurniawan , Yeni Susanti , Budi Surodjo

Let $R$ be a commutative ring and $\Gamma(R)$ denote its zero-divisor graph. In this paper, we investigate the genus number of the compact Riemann surface which $\Gamma(R)$ can be embedded and illustrate all finite commutative rings $R$ (up…

Commutative Algebra · Mathematics 2008-07-16 Hung-Jen Chiang-Hsieh , Neal O. Smith , Hsin-Ju Wang

Let $R$ be a ring with involution $*$ and $Z^*(R)$ denotes the set of all non-zero zero-divisors of $R$. We associate a simple (undirected) graph $\Gamma'(R)$ with vertex set $Z^*(R)$ and two distinct vertices $x$ and $y$ are adjacent in…

Combinatorics · Mathematics 2024-03-18 Anita Lande , Anil Khairnar

Let R be a commutative ring with a non-zero identity. In this paper, we define a new graph, the compressed intersection annihilator graph, denoted by $IA(R)$, and investigate some of its theoretical properties and its relation with the…

Rings and Algebras · Mathematics 2020-02-14 Mayssa Soliman , Nefertiti Megahed

Let $S$ be a semigroup with $0$ and $R$ be a ring with $1$. We extend the definition of the zero-divisor graphs of commutative semigroups to not necessarily commutative semigroups. We define an annihilating-ideal graph of a ring as a…

Rings and Algebras · Mathematics 2014-11-18 F. Aliniaeifard , M. Behboodi , Y. Li

In this paper we introduce and study a graph on the set of ideals of a commutative ring $R$. The vertices of this graph are non-trivial ideals of $R$ and two distinct ideals $I$ and $J$ are adjacent if and only $IJ=I\cap J$. We obtain some…

Combinatorics · Mathematics 2016-02-24 Hamid Reza Dorbidi , Saeid Alikhani

Let R be a finite commutative ring with unity, and let G = (V, E) be a simple graph. The zero-divisor graph, denoted by {\Gamma}(R) is a simple graph with vertex set as R, and two vertices x, y \in R are adjacent in {\Gamma}(R) if and only…

Combinatorics · Mathematics 2023-03-14 Rameez Raja , Samir Ahmad Wagay