**Volume 09 (2020)**

**Volume 08 (2019)**

**Volume 07 (2018)**

**Volume 06 (2017)**

**Volume 05 (2016)**

**Volume 04 (2015)**

**Volume 03 (2014)**

**Volume 02 (2013)**

**Volume 01 (2012)**

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Number of Articles: 220

##### 26. A new subclass of harmonic mappings with positive coefficients

*Volume 08, Issue 03 , Summer 2019, , Pages 159-165*

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**Abstract **

Complex-valued harmonic functions that are univalent and sense-preserving in the open unit disk $U$ can be written as form $f =h+\bar{g}$, where $h$ and $g$ are analytic in $U$. In this paper, we introduce the class $S_H^1(\beta)$, ...
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##### 27. An algorithm for determining common weights by concept of membership function

*Volume 04, Issue 03 , Summer 2015, , Pages 165-172*

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**Abstract **

Data envelopment analysis (DEA) is a method to evaluate the relative efficiency of decision making units (DMUs). In this method, the issue has always been to determine a set of weights for each DMU which often caused many problems. Since the DEA models also have the multi-objective linear programming ...
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##### 28. On (σ, τ)-module extension Banach algebras

*Volume 03, Issue 04 , Autumn 2014, , Pages 185-194*

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**Abstract **

Let A be a Banach algebra and X be a Banach A-bimodule. In this paper, we define a new product on $A\oplus X$ and generalize the module extension Banach algebras. We obtain characterizations of Arens regularity, commutativity, semisimplity, and study the ideal structure and derivations of this ...
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##### 29. Generalized notion of character amenability

*Volume 02, Issue 04 , Autumn 2013, , Pages 191-200*

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**Abstract **

This paper continues the investigation of the rst author begun in part one. The hereditary properties of n-homomorphism amenability for Banach algebras are investigated and the relations between n-homomorphism amenability of a Banach algebra and its ideals are found. Analogous to the character amenability, ...
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##### 30. Characterization of $(\delta, \varepsilon)$-double derivation on rings and algebras

*Volume 06, Issue 03 , Summer 2017, , Pages 191-198*

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**Abstract **

This paper is an attempt to prove the following result:Let $n>1$ be an integer and let $\mathcal{R}$ be a $n!$-torsion-free ring with the identity element. Suppose that $d, \delta, \varepsilon$ are additive mappings satisfying\begin{equation}d(x^n) = \sum^{n}_{j=1}x^{n-j}d(x)x^{j-1}+\sum^{n-1}_{j=1}\sum^{j}_{i=1}x^{n-1-j}\Big(\delta(x)x^{j-i}\varepsilon(x)+\varepsilon(x)x^{j-i}\delta(x)\Big)x^{i-1}\quad\end{equation}for ...
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##### 31. On the X basis in the Steenrod algebra

*Volume 08, Issue 04 , Autumn 2019, , Pages 215-218*

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**Abstract **

Let $\mathcal{A}_p$ be the mod $p$ Steenrod algebra, where $p$ is an odd prime, and let $\mathcal{A}$ be the subalgebra $\mathcal{A}$ of $\mathcal{A}_p$ generated by the Steenrod $p$th powers. We generalize the $X$-basis in $\mathcal{A}$ to $\mathcal{A}_p$.
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##### 32. Connected and Hyperconnected Generalized Topological Spaces

*Volume 05, Issue 04 , Autumn 2016, , Pages 229-234*

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**Abstract **

A. Csaszar introduced and extensively studied the notion of generalized open sets. Following Csazar, we introduce a new notion hyperconnected. We study some specic properties about connected and hyperconnected in generalized topological spaces. Finally, we characterize the connected component ...
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##### 33. A new type of Hyers-Ulam-Rassias stability for Drygas functional equation

*Volume 07, Issue 04 , Autumn 2018, , Pages 251-260*

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**Abstract **

In this paper, we prove the generalized Hyers-Ulam-Rassias stability for the Drygas functional equation$$f(x+y)+f(x-y)=2f(x)+f(y)+f(-y)$$ in Banach spaces by using the Brz\c{d}ek's fixed point theorem. Moreover, we give a general result on the hyperstability of this equation. Our results are improvements ...
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##### 34. On some open problems in cone metric space over Banach algebra

*Volume 06, Issue 04 , Autumn 2017, , Pages 261-267*

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**Abstract **

In this paper we prove an analogue of Banach and Kannan fixed point theorems by generalizing the Lipschitz constat $k$, in generalized Lipschitz mapping on cone metric space over Banach algebra, which are answers for the open problems proposed by Sastry et al, [K. P. R. Sastry, G. A. Naidu, T. Bakeshie, ...
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##### 35. A note on the convergence of the Zakharov-Kuznetsov equation by homotopy analysis method

*Volume 03, Issue 01 , Winter 2014, , Pages 7-13*

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**Abstract **

In this paper, the convergence of Zakharov-Kuznetsov (ZK) equation by homotopy analysis method (HAM) is investigated. A theorem is proved to guarantee the convergence of HAM and to nd the series solution of this equation via a reliable algorithm.
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##### 36. Some notes on L-projections on Fourier-Stieltjes algebras

*Volume 01, Issue 01 , Winter 2012, , Pages 9-13*

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**Abstract **

In this paper, we investigate the relation between L-projections and conditional expectations on subalgebras of the Fourier Stieltjes algebra B(G), and we will show that compactness of G plays an important role in this relation.
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##### 37. The extension of quadrupled fixed point results in K-metric spaces

*Volume 02, Issue 01 , Winter 2013, , Pages 9-23*

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**Abstract **

Recently, Rahimi et al. [Comp. Appl. Math. 2013, In press] defined the concept of quadrupled fied point in K-metric spaces and proved several quadrupled fixed point theorems for solid cones on K-metric spaces. In this paper some quadrupled fixed point results for T-contraction on K-metric ...
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##### 38. Characterization of $G_2(q)$, where $2 < q \equiv 1(mod\ 3)$ by order components

*Volume 04, Issue 01 , Winter 2015, , Pages 11-23*

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**Abstract **

In this paper we will prove that the simple group $G_2(q)$, where $2 < q \equiv 1(mod3)$ is recognizable by the set of its order components, also other word we prove that if $G$ is a finite group with $OC(G)=OC(G_2(q))$, then $G$ is isomorphic to $G_2(q)$.
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##### 39. The method of radial basis functions for the solution of nonlinear Fredholm integral equations system.

*Volume 06, Issue 01 , Winter 2017, , Pages 11-28*

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**Abstract **

In this paper, An effective and simple numerical method is proposed for solving systems of integral equations using radial basis functions (RBFs). We present an algorithm based on interpolation by radial basis functions including multiquadratics (MQs), using Legendre-Gauss-Lobatto nodes and weights. ...
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##### 40. On characterizations of weakly $e$-irresolute functions

*Volume 07, Issue 01 , Winter 2018, , Pages 11-19*

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**Abstract **

The aim of this paper is to introduce and obtain some characterizations of weakly $e$-irresolute functions by means of $e$-open sets defined by Ekici [6]. Also, we look into further properties relationships between weak $e$-irresoluteness and separation axioms and completely $e$-closed graphs.
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##### 41. Albertson energy and Albertson Estrada index of graphs

*Volume 08, Issue 01 , Winter 2019, , Pages 11-24*

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**Abstract **

Let $G$ be a graph of order $n$ with vertices labeled as $v_1, v_2,\dots , v_n$. Let $d_i$ be the degree of the vertex $v_i$ for $i = 1, 2, \cdots , n$. The Albertson matrix of $G$ is the square matrix of order $n$ whose $(i, ...
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##### 42. Subcategories of topological algebras

*Volume 05, Issue 01 , Winter 2016, , Pages 15-28*

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**Abstract **

In addition to exploring constructions and properties of limits and colimits in categories of topological algebras, we study special subcategories of topological algebras and their properties. In particular, under certain conditions, reflective subcategories when paired with topological structures ...
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##### 43. Fixed points of generalized $\alpha$-Meir-Keeler type contractions and Meir-Keeler contractions through rational expression in $b$-metric-like spaces

*Volume 09, Issue 01 , Winter 2020, , Pages 17-34*

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**Abstract **

In this paper, we first introduce some types of generalized $\alpha$-Meir-Keeler contractions in $b$-metric-like spaces and then we establish some fixed point results for these types of contractions. Also, we present a new fixed point theorem for a Meir-Keeler contraction through rational expression. ...
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##### 44. Existence and uniqueness of solution of Schrodinger equation in extended Colombeau algebra

*Volume 03, Issue 02 , Spring 2014, , Pages 67-78*

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**Abstract **

In this paper, we establish the existence and uniqueness result of the linear Schrodinger equation with Marchaud fractional derivative in Colombeau generalized algebra. The purpose of introducing Marchaud fractional derivative is regularizing it in Colombeau sense.
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##### 45. A note on uniquely (nil) clean ring

*Volume 01, Issue 02 , Spring 2012, , Pages 67-69*

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**Abstract **

A ring R is uniquely (nil) clean in case for any $a \in R$ there exists a uniquely idempotent $e\in R$ such that $a-e$ is invertible (nilpotent). Let $C =(A V W B)$ be the Morita Context ring. We determine conditions under which the rings $A,B$ are uniquely (nil) clean. Moreover ...
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##### 46. On strongly J-clean rings associated with polynomial identity g(x) = 0

*Volume 02, Issue 02 , Spring 2013, , Pages 71-76*

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**Abstract **

In this paper, we introduce the new notion of strongly J-clean rings associated with polynomial identity g(x) = 0, as a generalization of strongly J-clean rings. We denote strongly J-clean rings associated with polynomial identity g(x) = 0 by strongly g(x)-J-clean rings. Next, we investigate ...
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##### 47. Bipolar general fuzzy automata

*Volume 05, Issue 02 , Spring 2016, , Pages 83-91*

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**Abstract **

In this paper, we define the notion of a bipolar general fuzzy automaton, then we construct some closure operators on the set of states of a bipolar general fuzzy automaton. Also, we construct some topologies on the set of states of a bipolar general fuzzy automaton. Then we obtain some relationships ...
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##### 48. Generalized hyperstability of the cubic functional equation in ultrametric spaces

*Volume 08, Issue 02 , Spring 2019, , Pages 97-104*

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**Abstract **

In this paper, we present the generalized hyperstability results of cubic functional equation in ultrametric Banach spaces using the fixed point method.
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##### 49. Stochastic averaging for SDEs with Hopf Drift and polynomial diffusion coefficients

*Volume 04, Issue 02 , Spring 2015, , Pages 101-114*

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**Abstract **

It is known that a stochastic differential equation (SDE) induces two probabilistic objects, namely a difusion process and a stochastic flow. While the diffusion process is determined by the innitesimal mean and variance given by the coefficients of the SDE, this is not the case for the ...
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##### 50. Generalized inverse of fuzzy neutrosophic soft matrix

*Volume 06, Issue 02 , Spring 2017, , Pages 109-123*