**Volume 10 (2022-2023)**

**Volume 9 (2021-2022)**

**Volume 8 (2020-2021)**

**Volume 7 (2019-2020)**

**Volume 6 (2018-2019)**

**Volume 5 (2017-2018)**

**Volume 4 (2016-2017)**

**Volume 3 (2015-2016)**

**Volume 2 (2014-2015)**

**Volume 1 (2013-2014)**

Number of Articles: 17

##### SOME RESULTS ON THE COMPLEMENT OF THE INTERSECTION GRAPH OF SUBGROUPS OF A FINITE GROUP

*Volume 7, Issue 2 , January 2020, Pages 105-130*

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**Abstract **

Let G be a group. Recall that the intersection graph of subgroups of G is an undirected graph whose vertex set is the set of all nontrivial subgroups of G and distinct vertices H,K are joined by an edge in this graph if and only if the intersection of H and K is nontrivial. The aim of this article is ...
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##### THE SPECTRAL DETERMINATION OF THE MULTICONE GRAPHS Kw ▽ C WITH RESPECT TO THEIR SIGNLESS LAPLACIAN SPECTRA

*Volume 7, Issue 2 , January 2020, Pages 131-141*

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**Abstract **

The main aim of this study is to characterize new classes of multicone graphs which are determined by their signless Laplacian spectra. A multicone graph is defined to be the join of a clique and a regular graph. Let C and K w denote the Clebsch graph and a complete graph on w vertices, respectively. ...
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##### A GRAPH WHICH RECOGNIZES IDEMPOTENTS OF A COMMUTATIVE RING

*Volume 7, Issue 2 , January 2020, Pages 143-154*

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**Abstract **

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 properties of this graph and study its relation to the structure ...
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##### P-CLOSURE IN PSEUDO BCI-ALGEBRAS

*Volume 7, Issue 2 , January 2020, Pages 155-165*

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**Abstract **

In this paper, for any non-empty subset C of a pseudo BCI-algebra X, the concept of p-closure of C, denoted by C(pc), is introduced and some related properties are investigated. Applying this concept, a characterization of the minimal elements of X is given. It is proved that C(pc) is the least closed ...
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##### A KIND OF F-INVERSE SPLIT MODULES

*Volume 7, Issue 2 , January 2020, Pages 167-178*

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**Abstract **

Let M be a right module over a ring R. In this manuscript, we shall study on a special case of F-inverse split modules where F is a fully invariant submodule of M introduced in [12]. We say M is Z 2(M)-inverse split provided f^(-1)(Z2(M)) is a direct summand of M for each endomorphism f of M. We prove ...
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##### A CHARACTERIZATION FOR METRIC TWO-DIMENSIONAL GRAPHS AND THEIR ENUMERATION

*Volume 7, Issue 2 , January 2020, Pages 179-187*

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**Abstract **

The \textit{metric dimension} of a connected graph $G$ is the minimum number of vertices in a subset $B$ of $G$ such that all other vertices are uniquely determined by their distances to the vertices in $B$. In this case, $B$ is called a \textit{metric basis} for $G$. The ...
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##### COMPUTING THE EIGENVALUES OF CAYLEY GRAPHS OF ORDER p2q

*Volume 7, Issue 2 , January 2020, Pages 189-203*

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**Abstract **

A graph is called symmetric if its full automorphism group acts transitively on the set of arcs. The Cayley graph $\Gamma=Cay(G,S)$ on group $G$ is said to be normal symmetric if $N_A(R(G))=R(G)\rtimes Aut(G,S)$ acts transitively on the set of arcs of $\Gamma$. In this paper, we classify all connected ...
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##### A GENERALIZATION OF PRIME HYPERIDEALS IN KRASNER HYPERRINGS

*Volume 7, Issue 2 , January 2020, Pages 205-216*

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**Abstract **

In this paper, we extend the notion of 2-absorbing ideal on rings to Krasner hyperrings. In fact, we give a characterization of new generalization of prime hyperideals in Krasner hyperrings by introducing 2-absorbing hyperideals. We present some illustrative examples. Also, we study fundamental ...
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##### EQUALIZERS IN THE CATEGORIES FUZZ AND TOPFUZZ

*Volume 7, Issue 2 , January 2020, Pages 217-226*

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**Abstract **

It is well known that the categories Fuzz of fuzzes and TopFuzz of topological fuzzes are both complete and cocomplete, and some categorical properties of them were introduced by many authors. In this paper, we introduce the structure of equalizers in these categories. In particular, we show that every ...
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##### ON SEMICOVERING, SUBSEMICOVERING, AND SUBCOVERING MAPS

*Volume 7, Issue 2 , January 2020, Pages 227-244*

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**Abstract **

In this paper, by reviewing the concept of subcovering and semicovering maps, we extend the notion of subcovering map to subsemicovering map. We present some necessary or sufficient conditions for a local homeomorphism to be a subsemicovering map. Moreover, we investigate the relationship between these ...
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##### ON LOCAL ANTIMAGIC CHROMATIC NUMBER OF GRAPHS

*Volume 7, Issue 2 , January 2020, Pages 245-256*

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**Abstract **

A {\it local antimagic labeling} of a connected graph $G$ with at least three vertices, is a bijection $f:E(G) \rightarrow \{1,2,\ldots , |E(G)|\}$ such that for any two adjacent vertices $u$ and $v$ of $G$, the condition $\omega _{f}(u) \neq \omega _{f}(v)$ holds; where $\omega _{f}(u)=\sum ...
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##### ON PRIMARY IDEALS OF POINTFREE FUNCTION RINGS

*Volume 7, Issue 2 , January 2020, Pages 257-269*

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**Abstract **

We study primary ideals of the ring $\mathcal{R}L$ of real-valued continuous functions on a completely regular frame $L$. We observe that prime ideals and primary ideals coincide in a $P$-frame. It is shown that every primary ideal in $\mathcal{R}L$ is contained in a unique maximal ideal, and an ideal ...
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##### A REDUCTION IN THE SEARCH SPACE OF QC-LDPC CODES WITH GIRTH 8

*Volume 7, Issue 2 , January 2020, Pages 271-280*

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**Abstract **

In this paper, we define a structure to obtain exponent matrices of girth-8 QC-LDPC codes with column weight 3. Using the difference matrices introduced by Amirzade et al., we investigate necessary and sufficient conditions which result in a Tanner graph with girth 8. Our proposed method contributes ...
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##### FILTER REGULAR SEQUENCES AND LOCAL COHOMOLOGY MODULES

*Volume 7, Issue 2 , January 2020, Pages 281-290*

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**Abstract **

Let R be a commutative Noetherian ring. In this paper we consider some relations between filter regular sequence,regular sequence and system of parameters over R-modules. Also we obtain some new results about cofinitness and cominimaxness of local cohomology modules.
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##### SOME NEW CONSTRUCTIONS OF LINEAR CODES INCLUDING A WIDE FAMILY OF MDS CODES

*Volume 7, Issue 2 , January 2020, Pages 291-300*

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**Abstract **

Let $\mathbb{Z}_p$ be the finite field of integers modulo $p$, where $p>3$ is a prime integer. This paper presents new constructions of linear codes over $\mathbb{Z}_p$. Based on our construction, linear codes of ...
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##### SERRE SUBCATEGORY, LOCAL HOMOLOGY AND LOCAL COHOMOLOGY

*Volume 7, Issue 2 , January 2020, Pages 301-314*

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**Abstract **

We show some results about local homology modules and local cohomology modules concerning to being in a serre sub category of the category of R-modules. Also for an ideal I of R we define the concept of CI condition on a serre category, which seems dual to CI condition of Melkerson [1]. ...
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##### ORDER DENSE ESSENTIALITY AND BEHAVIOR OF ORDER DENSE INJECTIVITY

*Volume 7, Issue 2 , January 2020, Pages 315-334*