**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)**

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Number of Articles: 118

##### 1. UPPER BOUNDS FOR FINITENESS OF GENERALIZED LOCAL COHOMOLOGY MODULES

*Volume 1, Issue 1 , Summer and Autumn 2013, , Pages 1-9*

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**Abstract **

Let $R$ be a commutative Noetherian ring with non-zero identity and $a$ an ideal of $R$. Let $M$ be a finite $R$--moduleof finite projective dimension and $N$ an arbitrary finite $R$--module. We characterize the membership of the generalized local cohomology modules $H^{i}_{a}(M,N)$ in certain Serre ...
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##### 2. SOME RESULTS ON STRONGLY PRIME SUBMODULES

*Volume 1, Issue 2 , Winter and Spring 2014, , Pages 79-89*

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**Abstract **

Let $R$ be a commutative ring with identity and let $M$ be an $R$-module. A proper submodule $P$ of $M$ is called strongly prime submodule if $(P + Rx : M)y P$ for $x, y M$, implies that $x P$ or $y P$. In this paper, we study more properties of strongly prime submodules. It is shown that a ...
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##### 3. ON COMULTIPLICATION AND R-MULTIPLICATION MODULES

*Volume 2, Issue 1 , Summer and Autumn 2014, , Pages 1-19*

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**Abstract **

We state several conditions under which comultiplication and weak comultiplication modules are cyclic and study strong comultiplication modules and comultiplication rings. In particular, we will show that every faithful weak comultiplication module having a maximal submodule over a reduced ring with ...
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##### 4. ASSOCIATED (SEMI)HYPERGROUPS FROM DUPLEXES

*Volume 2, Issue 2 , Winter and Spring 2015, , Pages 83-96*

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**Abstract **

In this paper using strongly duplexes we introduce a new class of (semi)hypergroups. The associated (semi)hypergroup from a strongly duplex is called duplex (semi)hypergroup. Two computer programs written in MATLAB show that the two groups $Z_{2n}$ and $Z_{n}times Z_{2}$ produce a strongly duplex and ...
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##### 5. THE CONCEPT OF (I; J)-COHEN MACAULAY MODULES

*Volume 3, Issue 1 , Summer and Autumn 2015, , Pages 1-10*

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**Abstract **

We introduce a generalization of the notion of depth of an ideal on a module by applying the concept of local cohomology modules with respect to a pair of ideals. We also introduce the concept of $(I,J)$-Cohen--Macaulay modules as a generalization of concept of Cohen--Macaulay ...
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##### 6. AMENABILITY OF VECTOR VALUED GROUP ALGEBRAS

*Volume 3, Issue 2 , Winter and Spring 2016, , Pages 97-107*

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**Abstract **

The purpose of this article is to develop the notions of amenabilityfor vector valued group algebras. We prove that L1(G, A) is approximatelyweakly amenable where A is a unital separable Banach algebra. We givenecessary and sufficient conditions for the existence of a left invariant meanon L∞(G, ...
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##### 7. ON RELATIVE CENTRAL EXTENSIONS AND COVERING PAIRS

*Volume 4, Issue 1 , Summer and Autumn 2016, , Pages 1-13*

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**Abstract **

Let (G;N) be a pair of groups. In this article, first we con-struct a relative central extension for the pair (G;N) such that specialtypes of covering pair of (G;N) are homomorphic image of it. Second, weshow that every perfect pair admits at least one covering pair. Finally,among extending some properties ...
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##### 8. FINITE GROUPS WITH FIVE NON-CENTRAL CONJUGACY CLASSES

*Volume 4, Issue 2 , Winter and Spring 2017, , Pages 85-95*

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**Abstract **

Let G be a finite group and Z(G) be the center of G. For a subset A of G, we define kG(A), the number of conjugacy classes of G that intersect A non-trivially. In this paper, we verify the structure of all finite groups G which satisfy the property ...
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##### 9. MOST RESULTS ON A-IDEALS IN MV -MODULES

*Volume 5, Issue 1 , Summer and Autumn 2017, , Pages 1-13*

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**Abstract **

In the present paper, by considering the notion of MV-modules which is the structure that naturally correspond to lu-modules over lu-rings, we prove some results on prime A-ideals and state some conditions to obtain a prime A-ideal in MV-modules. Also, we state some conditions that an A-ideal is not ...
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##### 10. A COVERING PROPERTY IN PRINCIPAL BUNDLES

*Volume 5, Issue 2 , Winter and Spring 2018, , Pages 91-98*

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**Abstract **

Let $p:X\lo B$ be a locally trivial principal G-bundle and $\wt{p}:\wt{X}\lo B$ be a locally trivial principal $\wt{G}$-bundle. In this paper, by using the structure of principal bundles according to transition functions, we show that $\wt{G}$ is a covering group of $G$ if and only if $\wt{X}$ is a covering ...
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##### 11. MAXIMAL PRYM VARIETY AND MAXIMAL MORPHISM

*Volume 6, Issue 1 , Summer and Autumn 2018, , Pages 1-12*

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**Abstract **

We investigated maximal Prym varieties on finite fields by attaining their upper bounds on the number of rational points. This concept gave us a motivation for defining a generalized definition of maximal curves i.e. maximal morphisms. By MAGMA, we give some non-trivial examples of maximal morphisms ...
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##### 12. ON THE SPECTRUM OF DERANGEMENT GRAPHS OF ORDER A PRODUCT OF THREE PRIMES

*Volume 6, Issue 2 , Winter and Spring 2019, , Pages 81-89*

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**Abstract **

A permutation with no fixed points is called a derangement. The subset $\mathcal{D}$ of a permutation group is derangement if all elements of $\mathcal{D}$ are derangement. Let $G$ be a permutation group, a derangementgraph is one with vertex set $G$ and derangement set $\mathcal{D}$ as connecting ...
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##### 13. BAER AND QUASI-BAER PROPERTIES OF SKEW PBW EXTENSIONS

*Volume 7, Issue 1 , Summer and Autumn 2019, , Pages 1-24*

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**Abstract **

A ring $R$ with an automorphism $\sigma$ and a $\sigma$-derivation $\delta$ is called $\delta$-quasi-Baer (resp., $\sigma$-invariant quasi-Baer) if the right annihilator of every $\delta$-ideal (resp., $\sigma$-invariant ideal) of $R$ is generated by an idempotent, as a right ideal. In this paper, we ...
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##### 14. SOME RESULTS ON THE COMPLEMENT OF THE INTERSECTION GRAPH OF SUBGROUPS OF A FINITE GROUP

*Volume 7, Issue 2 , Winter and Spring 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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##### 15. MULTIPLICATION MODULES THAT ARE FINITELY GENERATED

*Volume 8, Issue 1 , Summer and Autumn 2020, , Pages 1-5*

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**Abstract **

Let $R$ be a commutative ring with identity and $M$ be a unitary $R$-module. An $R$-module $M$ is called a multiplication module if for every submodule $N$ of $M$ there exists an ideal $I$ of $R$ such that $N = IM$. It is shown that over a Noetherian domain $R$ with dim$(R)\leq 1$, multiplication modules ...
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##### 16. f-DERIVATIONS AND (f; g)-DERIVATIONS OF MV -ALGEBRAS

*Volume 1, Issue 1 , Summer and Autumn 2013, , Pages 11-31*

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**Abstract **

Recently, the algebraic theory of MV -algebras is intensively studied. In this paper, we extend the concept of derivation of $MV$-algebras and we give someillustrative examples. Moreover, as a generalization of derivations of $MV$ -algebraswe introduce the notion of $f$-derivations and $(f; g)$-derivations ...
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##### 17. A NEW PROOF OF THE PERSISTENCE PROPERTY FOR IDEALS IN DEDEKIND RINGS AND PR¨UFER DOMAINS

*Volume 1, Issue 2 , Winter and Spring 2014, , Pages 91-100*

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**Abstract **

In this paper, by using elementary tools of commutative algebra, we prove the persistence property for two especial classes of rings. In fact, this paper has two main sections. In the first main section, we let $R$ be a Dedekind ring and $I$ be a proper ideal of $R$. We prove that if $I_1,\ldots,I_n$ ...
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##### 18. DIFFERENTIAL MULTIPLICATIVE HYPERRINGS

*Volume 2, Issue 1 , Summer and Autumn 2014, , Pages 21-35*

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**Abstract **

There are several kinds of hyperrings, for example, Krasnerhyperrings, multiplicative hyperring, general hyperrings and$H_v$-rings. In a multiplicative hyperring, the multiplication isa hyperoperation, while the addition is a binary operation. In this paper, the notion of derivation on multiplicative ...
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##### 19. ON THE EDGE COVER POLYNOMIAL OF CERTAIN GRAPHS

*Volume 2, Issue 2 , Winter and Spring 2015, , Pages 97-108*

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**Abstract **

Let $G$ be a simple graph of order $n$ and size $m$. The edge covering of $G$ is a set of edges such that every vertex of $G$ is incident to at least one edge of the set. The edge cover polynomial of $G$ is the polynomial$E(G,x)=sum_{i=rho(G)}^{m} e(G,i) x^{i}$, where $e(G,i)$ is the number of edge coverings ...
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##### 20. AN INTEGRAL DEPENDENCE IN MODULES OVER COMMUTATIVE RINGS

*Volume 3, Issue 1 , Summer and Autumn 2015, , Pages 11-22*

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**Abstract **

In this paper, we give a generalization of the integral dependence from rings to modules. We study the stability of the integral closure with respect to various module theoretic constructions. Moreover, we introduce the notion of integral extension of a module and prove the Lying over, Going up and Going ...
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##### 21. IDEALS IN EL-SEMIHYPERGROUPS ASSOCIATED TO ORDERED SEMIGROUPS

*Volume 3, Issue 2 , Winter and Spring 2016, , Pages 109-125*

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**Abstract **

In this paper, we attempt to investigate the connection between various types of ideals (for examples $(m, n)$-ideal, bi-ideal, interior ideal, quasi ideal, prime ideal and maximal ideal) of an ordered semigroup $(S,cdot ,leq)$ and the correspond hyperideals of its EL-hyperstructure $(S,*)$ (if exists). ...
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##### 22. SOME REMARKS ON GENERALIZATIONS OF MULTIPLICATIVELY CLOSED SUBSETS

*Volume 4, Issue 1 , Summer and Autumn 2016, , Pages 15-27*

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**Abstract **

Let R be a commutative ring with identity and Mbe a unitary R-module. In this paper we generalize the conceptmultiplicatively closed subset of R and we study some propertiesof these genaralized subsets of M. Among the many results in thispaper, we generalize some well-known theorems about multiplicativelyclosed ...
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##### 23. FUZZY OBSTINATE IDEALS IN MV-ALGEBRAS

*Volume 4, Issue 2 , Winter and Spring 2017, , Pages 97-101*

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**Abstract **

In this paper, we introduce the notion of fuzzy obstinate ideals in MV -algebras. Some properties of fuzzy obstinateideals are given. Not only we give some characterizations of fuzzy obstinate ideals, but also bring the extension theorem of fuzzy obstinate ideal of an MV -algebra A. We investigate ...
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##### 24. AN INDUCTIVE FUZZY DIMENSION

*Volume 5, Issue 1 , Summer and Autumn 2017, , Pages 15-25*

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**Abstract **

Using a system of axioms among with a modified definition of boundary on the basis of the intuitionistic fuzzy sets, we formulate an inductive structure for the dimension of fuzzy spaces which has been defined by Coker. This new definition of boundary allows to characterize an intuitionistic fuzzy clopen ...
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##### 25. ON (n -1; n)-phi-m-PRIME AND (n -1; n)-WEAKLY PRIME SUBMODULES

*Volume 5, Issue 2 , Winter and Spring 2018, , Pages 99-109*