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Let $R$ be a commutative ring with identity, and let $Z(R)$ be the set of zero-divisors of $R$. The annihilator graph of $R$ is defined as the undirected graph $AG(R)$ with the vertex set $Z(R)^*=Z(R)\setminus\{0\}$, and two distinct…

Combinatorics · Mathematics 2017-01-30 Mohammad Javad Nikmehr , Reza Nikandish , Moharam Bakhtyiari

Let $R$ be a commutative ring with ${\Bbb{A}}(R)$ its set of ideals with nonzero annihilator. In this paper and its sequel, we introduce and investigate the {\it annihilating-ideal graph} of $R$, denoted by ${\Bbb{AG}}(R)$. It is the…

Commutative Algebra · Mathematics 2011-02-24 Mahmood Behboodi , Zahra Rakeei

In this paper we continue our study of annihilating-ideal graph of commutative rings, that was introduced in Part I (see [5]). Let $R$ be a commutative ring with ${\Bbb{A}}(R)$ its set of ideals with nonzero annihilator and $Z(R)$ its set…

Commutative Algebra · Mathematics 2011-02-24 Mahmood Behboodi , Zahra Rakeei

Let $A$ be a finite commutative ring with unity $1 \neq 0.$ An ideal of $A$ is said to be essential if it has a non-zero intersection with every non-zero ideal of $A.$ The essential graph of $A$ is a simple undirected graph whose vertex set…

Commutative Algebra · Mathematics 2025-08-20 Sakshi Jain , Mohd Nazim , Y. M. Borse

Assume that $R$ is a commutative ring with nonzero identity. In this paper, we introduce and investigate zero-annihilator graph of $R$ denoted by $\mathtt{ZA}(R)$. It is the graph whose vertex set is the set of all nonzero nonunit elements…

Commutative Algebra · Mathematics 2016-09-09 Hojjat Mostafanasab

Let $R$ be a commutative ring with $1\neq 0$ and $\Bbb{A}(R)$ be the set of ideals with nonzero annihilators. The annihilating-ideal graph of $R$ is defined as the graph $\Bbb{AG}(R)$ with the vertex set $\Bbb{A}(R)^{*} =…

Rings and Algebras · Mathematics 2014-11-18 F. Aliniaeifard , M. Behboodi , E. Mehdi-Nezhad , Amir M. Rahimi

Let $R$ be a commutative ring and ${\Bbb{A}}(R)$ be the set of ideals with non-zero annihilators. The annihilating-ideal graph of $R$ is defined as the graph ${\Bbb{AG}}(R)$ with vertex set ${\Bbb{A}}(R)^*={\Bbb{A}}\setminus\{(0)\}$ such…

Rings and Algebras · Mathematics 2015-01-20 Farid Aliniaeifard , Mahmood Behboodi , Yuanlin Li

Let $R$ be a commutative ring and ${\Bbb{A}}(R)$ be the set of ideals with non-zero annihilators. The annihilating-ideal graph of $R$ is defined as the graph ${\Bbb{AG}}(R)$ with the vertex set ${\Bbb{A}}(R)^*={\Bbb{A}}\setminus\{(0)\}$ and…

Commutative Algebra · Mathematics 2011-02-24 Farid Aliniaeifard , Mahmood Behboodi

The annihilating-ideal graph of a commutative ring $R$ with unity is defined as the graph $\mathbb{AG}(R)$ with the vertex set is the set of all non-zero ideals with non-zero annihilators and two distinct vertices $I$ and $J$ are adjacent…

Combinatorics · Mathematics 2023-10-20 Manideepa Saha , Sucharita Biswas , Angsuman Das

Let $R$ be a commutative ring with identity and $\Bbb A (R)$ be the set of ideals of $R$ with non-zero annihilator. The annihilator-ideal graph of $R$, denoted by $A_{I} (R) $, is a simple graph with the vertex set $\Bbb A(R)^{\ast} := \Bbb…

Combinatorics · Mathematics 2017-07-18 M. J. Nikmehr , S. M. Hosseini

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

The intersection graph of ideals associated with a commutative unitary ring $R$ is the graph $G(R)$ whose vertices all non-trivial ideals of $R$ and there exists an edge between distinct vertices if and only if the intersection of them is…

Combinatorics · Mathematics 2023-09-26 E. Dodongeh , A. Moussavi , R. Nikandish

Let M be a module over a commutative ring R. In this paper, we continue our study of annihilating-submodule graph AG(M) which was introduced in (The Zariski topology-graph of modules over commutative rings, Comm. Algebra., 42 (2014),…

Commutative Algebra · Mathematics 2016-01-06 Habibollah Ansari-Toroghy , Shokoufeh Habibi

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

The essential annihilating-ideal graph $\mathcal{EG}(R)$ of a commutative unital ring $R$ is a simple graph whose vertices are non-zero ideals of $R$ with non-zero annihilator and there exists an edge between two distinct vertices $I,J$ if…

Combinatorics · Mathematics 2022-08-09 R. Nikandish , M. Mehrara , M. J. Nikmehr

Let $R$ be a ring with unity. The cozero-divisor graph of a ring $R$ is an undirected simple graph whose vertices are the set of all non-zero and non-unit elements of $R$ and two distinct vertices $x$ and $y$ are adjacent if and only if $x…

Combinatorics · Mathematics 2023-01-31 Praveen Mathil , Barkha Baloda , Jitender Kumar

Suppose that $R$ is a finite commutative ring with identity. The involutory Cayley graph $\G(R)$ of $R$ is the graph whose vertices are the elements of $R$, and two distinct vertices $x$ and $y$ are adjacent if and only if $(x-y)^2=1$. In…

Combinatorics · Mathematics 2025-08-05 Hamide Keshavarzi , Babak Amini , Afshin Amini , Shahin Rahimi

Let $R$ be a commutative ring with identity and ${\rm Nil}(R)$ be the set of nilpotent elements of $R$. The nil-graph of ideals of $R$ is defined as the graph $\mathbb{AG}_N(R)$ whose vertex set is $\{I:\ (0)\neq I\lhd R$ and there exists a…

Commutative Algebra · Mathematics 2016-11-14 R. Nikandish , F. Shaveisi

In this article, we introduce a new graph theoretic structure associated with a finite commutative ring, called nil clean divisor graph. For a ring $R$, nil clean divisor graph is denoted by $G_N(R)$, where the vertex set is $\{x\in R\,:\,…

Rings and Algebras · Mathematics 2019-03-07 Ajay Sharma , Dhiren Kumar Basnet

In this article, we introduce the annihilator graph of the ring $C_\mathscr{P}(X)$, denoted by $AG(C_\mathscr{P}(X))$ and observe the effect of the underlying Tychonoff space $X$ on various graph properties of $AG(C_\mathscr{P}(X))$.…

General Mathematics · Mathematics 2022-06-14 Pratip Nandi , Sudip Kumar Acharyya , Atasi Deb Ray
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