European Journal of Pure and Applied Mathematics
https://jalgstat.com/index.php/ejpam
<h3>Welcome</h3> <p align="justify"> </p> <p align="justify"><em>European Journal of Pure and Applied Mathematics</em> is an Open Access international, peerreviewed electronic journal which is devoted to highquality and original research in the fields of pure and applied mathematics and their teaching and learning. The aim of the journal is to provide a medium by which a wide range of experience can be exchanged among researchers from diverse fields such as engineering, natural sciences or social sciences. This journal publishes high quality researches in the fields of contemporary pure and applied mathematics with a broad range of topics including algebra, topology, number theory, nonlinear analysis, mathematical methods in operations research, theoretical statistics and econometrics, and theoretical computer science.</p> <p align="justify">Open Access which is a paradigm shift in scholarly publishing means you can publish your research so it is free to access online as soon as it is published, that is, anyone can read (and circulate) freely and cite your work. Many funding agencies mandate publishing your research open access.</p> <p align="justify"><em>Editorial Board</em></p> <p align="justify">The<strong> </strong>Editorial Board consists of prominent scientists as some are Nobel Laureates.</p> <p align="justify">See <a href="/index.php/ejpam/about/editorialTeam">editorial board</a> details.</p> <p><em>Journal Impact</em><strong> </strong></p> <ul style="liststyletype: square;"> <li class="MsoNormal">Clarivate Analytics Web of Science Citation Report: Average citation per paper (impact factor): 0.61 between 2015 and 2018 from Web of Science Core Collection. This report reflects citations to source papers indexed within Web of Science Core Collection retrieved on May 29, 2019. </li> <li class="MsoNormal">Clarivate Analytics Web of Science Citation Report: Average citation per paper (impact factor): 4.13 between 2008 and 2018 from Web of Science Core Collection. This report also includes citations to papers published before 2015, the starting year for the inclusion of EJPAM in Clarivate Analytics, within Web of Science Core Collection retrieved on May 29, 2019.</li> <li class="MsoNormal">Harzing's Publish or Perish software: Cites/paper (impact factor): 5.41 and hindex: 24 between 2008 and 2018 from Google Scholar retrieved on May 29, 2019. </li> </ul> <p><em>Abstracted/Indexed in:</em></p> <p align="justify">Clarivate Analytics Emerging Sources Citation Index (ESCI), Web of Science, <a title="EJPAM Scopus Source Details Page" href="https://www.scopus.com/sourceid/21100981084" target="_blank" rel="noopener">SCOPUS</a>, Mathematical Reviews, EBSCO, Chambridge Scientific Abstracts, IndexCopernicus™, International Abstracts in Operations Research, Ulrich's Periodicals Directory, <a title="Arastirmax Bilimsel YayÄ±n Ä°ndeksi" href="http://www.arastirmax.com/dergi/europeanjournalpureandappliedmathematics" target="_blank" rel="noopener">Arastirmax</a>.</p> <p align="justify"><em>Publisher</em></p> <p align="justify">European Journal of Pure and Applied Mathematics is published by <em>New York Business Global, USA</em>.</p> <p align="justify"><em><em><span class="gmail_default">â€‹</span></em></em><em>Prestigious Contributors</em></p> <div> <div><span class="gmail_default">In addition to Nobel Laureates and Abel Prize </span>Laureates<span class="gmail_default">, m</span>any researchers, authors and Editorial Board members<span class="gmail_default"> at academic institutions such as University of Oxford, Harvard University, MIT, Stanford University, Princeton University, University of Chicago, Imperial College London and Berkeley, </span>and <span class="gmail_default">other institutions </span>have<span class="gmail_default"> been</span> contribut<span class="gmail_default">ing</span> to EJPAM<span class="gmail_default">. Join them by submitting a paper.</span></div> </div> <div> </div> <div><em>Funding<span class="gmail_default">â€‹/Grantingâ€‹</span> Institutions</em></div> <div><em> </em></div> <div>Over the course of journal history, a majority of papers published at EJPAM have been financially supported by numerious leading universities and funding agencies all over the world including from University of Oxford, Danish National Research Foundation and Research Council of Norway to Robertson Foundation and King Abdulaziz <span class="gmail_default">â€‹City for Science and Technology</span>, to National Natural Science Foundation of China and European Commission.</div> <div> </div> <div>ISSN:13075543 <br />Published by New York Business Global, Maryland, USA<br />Inaugural publication: January 2008 <br />The journal is quarterly</div>
NNew York Business Global
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European Journal of Pure and Applied Mathematics
13075543
<p align="justify">Upon acceptance of an article by the journal, the author(s) accept(s) the transfer of copyright of the article to <em>European Journal of Pure and Applied Mathematics.Â </em></p><p align="justify"><em>European Journal of Pure and Applied Mathematics will be Copyrihgt Holder.</em></p><p align="justify">If necessary, authors are responsible for obtaining permissions to reprint previously published figures, tables, and other material.</p>

The Double Laplace Transform Expressed in terms of the Lerch Transcendent
https://jalgstat.com/index.php/ejpam/article/view/3987
In this manuscript, the authors derive a formula for the double Laplace transform expressed in terms of the Lerch Transcendent. The log term mixes the variables so that the integral is not separable except for special values of k. The method of proof follows the method used by us to evaluate single integrals. This transform is then used to derive definite integrals in terms of fundamental constants, elementary and special functions. A summary of the results is produced in the form of a table of definite integrals for easy referencing by readers.
Robert Reynolds
Allan Stauffer
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618
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Stable LocatingDominating Sets in Graphs
https://jalgstat.com/index.php/ejpam/article/view/3998
A set S âŠ† V(G) of a (simple) undirected graph G is a locatingdominating set of G if for each v âˆˆ V(G) \ S, there exists w âˆˆ S such tha vw âˆˆ E(G) and NG(x) âˆ© S= NG(y)âˆ©S for any distinct vertices x and y in V(G) \ S. S is a stable locatingdominating set of G if it is a locatingdominating set of G and S \ {v} is a locatingdominating set of G for each v âˆˆ S. The minimum cardinality of a stable locatingdominating set of G, denoted by Î³sl(G), is called the stable locatingdomination number of G. In this paper, we investigate this concept and the corresponding parameter for some graphs. Further, we introduce other related concepts and use them to characterize the stable locatingdominating sets in some graphs.
Eman Camad Ahmad
Gina Alquiza Malacas
Sergio Jr. Rosales Canoy
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Mixed Type Algorithms for Asymptotically Nonexpansive Mappings in Hyperbolic Spaces
https://jalgstat.com/index.php/ejpam/article/view/4005
In this paper, a new mixed type iteration process for approximating a common fixed point of two asymptotically nonexpansive selfmappings and two asymptotically nonexpansive nonselfmappings is constructed. We then establish a strong convergence theorem under mild conditions in a uniformly convex hyperbolic space. The results presented here extend and improve some related results in the literature.
Tanakit Thianwan
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Asymptotic Approximations of ApostolGenocchi Numbers and Polynomials
https://jalgstat.com/index.php/ejpam/article/view/3976
<p>Asymptotic approximations of the ApostolGenocchi numbers and<br />polynomials are derived using Fourier series and ordering of poles of<br />the generating function. Asymptotic formulas for the ApostolEuler<br />numbers and polynomials are obtained as consequence. Asymptotic<br />formulas for special cases which include the Genocchi numbers and<br />polynomials are also explicitly stated.</p>
Cristina Bordaje Corcino
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Cyclic Codes from a Sequence over Finite Fields
https://jalgstat.com/index.php/ejpam/article/view/3907
A cyclic code has been one of the most active research topics in coding theory because they have many applications in data storage systems and communication systems. They have efficient encoding and decoding algorithms. This paper explains the construction of a family of cyclic codes from sequences generated by a trace of a monomial over finite fields of odd characteristics. The parameter and some examples of the codes are presented in this paper.
Nopendri Nopendri
Intan MuchtadiAlamsyah
Djoko Suprijanto
Aleams Barra
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On a Topological Space Generated by Monophonic Eccentric Neighborhoods of a Graph
https://jalgstat.com/index.php/ejpam/article/view/3990
<p>In this paper, we present a way of constructing a topology on a vertex set of a graph using monophonic eccentric neighborhoods of the graph <em>G.Â </em>In this type of construction, we characterize those graphs that induced the indiscrete topology, the discrete topology, and a particular point topology.</p>
Anabel Enriquez Gamorez
Sergio R. Canoy Jr.
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A Finite Difference Fictitious Domain Wavelet Method for Solving Dirichlet Boundary Value Problem
https://jalgstat.com/index.php/ejpam/article/view/3893
In this paper, we introduce a Finite Difference Fictitious Domain Wavelet Method (FDFDWM) for solving two dimensional (2D) linear ellipticÂ partial differential equations (PDEs) with Dirichlet boundary conditions on regular geometric domain. The method reduces the 2D PDE into a 1D system of ordinary differential equations and applies a compactly supported wavelet to approximate the solution. The problem is embedded in a fictitious domain to aid the enforcement of the Dirichlet boundary conditions. We present numerical analysis and show that our method yields better approximation to the solution of the Dirichlet problem than traditional methods like the finite element and finite difference methods.
Francis Ohene Boateng
Joseph AckoraPrah
Benedict Barnes
John AmoahMensah
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Note on a Stieltjes Transform in terms of the Lerch Function
https://jalgstat.com/index.php/ejpam/article/view/3991
<p>In this work the authors derive the Stieltjes transform of the logarithmic function in terms of the Lerch function. This transform is used to derive closed form solutions involving fundamental constants and special functions. Specifically we derive the definite integral given by</p><p><br />\[<br />\int_{0}^{\infty} \frac{(1b x)^m \log ^k(c (1b x))+(b x+1)^m \log ^k(c (b x+1))}{a+x^2}dx<br />\]<br /><br />where $a,b,c,m$ and $k$ are general complex numbers subject to the restrictions given in connection with the formulas.</p>
Robert Reynolds
Allan Stauffer
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Fuzzy Translation and Fuzzy multiplication in BRKalgebras
https://jalgstat.com/index.php/ejpam/article/view/3971
<p>In this paper, the concepts of fuzzy translation and fuzzy multiplication on a BRKalgebra are introduced. We investigated fuzzy translation and fuzzy multiplication (<em>BRK</em>subalgebras & <em>BRK</em>ideals) in <em>BRK</em>algebras and discussed related properties. Finally, we presented the nation fuzzy magnifiedtranslation on <em>BRK</em>algebra.</p>
Halimah Abdulrahman Alshehri
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Hankel Transform of the First Form (q,r)Dowling Numbers
https://jalgstat.com/index.php/ejpam/article/view/3953
<div class="page" title="Page 1"><div class="layoutArea"><div class="column"><p><span>In this paper, the Hankel transform of the generalizedÂ </span><span>q</span><span>exponential polynomial of the first form (</span><span>q, r</span><span>)Whitney numbers of the second kind is established using the method of Cigler. Consequently, the Hankel trans form of the first form (</span><span>q, r</span><span>)Dowling numbers is obtained as special case.</span></p></div></div></div>
Roberto Bagsarsa Corcino
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A View on Connectedness and Compactness in Fuzzy Soft Bitopological Spaces
https://jalgstat.com/index.php/ejpam/article/view/3980
<p>In the present paper, we introduce the notions of (1, 2)âˆ—fuzzy soft bseparated sets, (1, 2)âˆ—fuzzy soft bconnectedness and (1, 2)âˆ—fuzzy soft bcompactness in fuzzy soft bitopological spaces. Then, some basic topological properties of these notions are investigated. Also, some illustrative examples are given to show the importance of the obtained theorems.</p>
Abdelhamied Farrag Sayed
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On 2Resolving Sets in the Join and Corona of Graphs
https://jalgstat.com/index.php/ejpam/article/view/3977
<p>Let G be a connected graph. An ordered set of vertices {v1, ..., vl} is a 2resolving set in G if, for any distinct vertices u, w âˆˆ V (G), the lists of distances (dG(u, v1), ..., dG(u, vl)) and (dG(w, v1), ..., dG(w, vl)) differ in at least 2 positions. If G has a 2resolving set, we denote the least size of a 2resolving set by dim2(G), the 2metric dimension of G. A 2resolving set of size dim2(G) is called a 2metric basis for G. This study deals with the concept of 2resolving set of a graph. ItÂ characterizes the 2resolving set in the join and corona of graphs and determine the<br />exact values of the 2metric dimension of these graphs.</p>
Jean Mansanadez Cabaro
Helen Rara
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Bessel type transform associated with Titchmarshâ€™s Theorem
https://jalgstat.com/index.php/ejpam/article/view/3986
In this paper we have extended Titchmarshâ€™s theorem for the Bessel type transform for function on halfline [0, âˆž) in a weighted Lpâˆ’ metric are studied with the use of Bessel type generalized translation
Balasaheb Bhagaji Waphare
Yashoda S. Sindhe
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A Note on the Definite Integral of the Lerch Function
https://jalgstat.com/index.php/ejpam/article/view/4030
This is a compilation of definite integrals involving the Lerch, Polylogarithm, Hurwitz functions and fundamental constants. Connections to previous work is compared and discussed. This collection of definite integrals is new in current literature.
Robert Reynolds
Allan Stauffer
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Total Perfect Hop Domination in Graphs Under Some Binary Operations
https://jalgstat.com/index.php/ejpam/article/view/3975
<p>Let G = (V (G), E(G)) be a simple graph. A set S âŠ† V (G) is a perfect hop dominating set of G if for every v âˆˆ V (G) \ S, there is exactly one vertex u âˆˆ S such that dG(u, v) = 2. The smallest cardinality of a perfect hop dominating set of G is called the perfect hop domination number of G, denoted by Î³ph(G). A perfect hop dominating set S âŠ† V (G) is called a total perfect hop dominating set of G if for every v âˆˆ V (G), there is exactly one vertex u âˆˆ S such that dG(u, v) = 2. The total perfect hop domination number of G, denoted by Î³tph(G), is the smallest cardinality of a total perfect hop dominating set of G. Any total perfect hop dominating set of G of cardinality Î³tph(G) is referred to as a Î³tphset of G. In this paper, we characterize the total perfect hop dominating sets in the join, corona and lexicographic product of graphs and determine their corresponding total perfect hop domination number.</p>
Raicah Cayongcat Rakim
Helen M Rara
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An Application of Finite Groups to Hopf algebras
https://jalgstat.com/index.php/ejpam/article/view/3979
<p>Kaplanskyâ€™s famous conjectures about generalizing results from groups to Hopf al<br />gebras inspired many mathematicians to try to find solusions for them. Recently, Cohen and Westreich in [8] and [10] have generalized the concepts of nilpotency and solvability of groups to Hopf algebras under certain conditions and proved interesting results. In this article, we follow their work and give a detailed example by considering a finite group G and an algebraically closed field K. In more details, we construct the group Hopf algebra H = KG and examine its properties to see what of the properties of the original finite group can be carried out in the case of H.</p>
Tahani AlMutairi
Mohammed Mosa Alshomrani
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Resolving Restrained Domination in Graphs
https://jalgstat.com/index.php/ejpam/article/view/3985
<p>Let G be a connected graph. Brigham et al. [3] defined a resolving dominating set<br />as a set S of vertices of a connected graph G that is both resolving and dominating. A set S âŠ† V (G) is a resolving restrained dominating set of G if S is a resolving dominating set of G and S = V (G) or hV (G) \ Si has no isolated vertex. In this paper, we characterize the resolving restrained dominating sets in the join, corona and lexicographic product of graphs and determine the resolving restrained domination number of these graphs.</p>
Gerald Bacon Monsanto
Helen M. Rara
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LaplaceSBA Method for Solving Nonlinear Coupled Burger's Equations
https://jalgstat.com/index.php/ejpam/article/view/3932
<p>Burgerâ€™s equations, an extension of fluid dynamics equations, are typically solved by several numerical methods. In this article, the laplaceSomÃ© Blaise Abbo method is used to solve nonlinear Burger equations. This method is based on the combination of the laplace transform and the SBA method. After reminders of the laplace transform, the basic principles of the SBA method are described. The process of calculating the LaplaceSBA algorithm for determining the exact solution of a linear or nonlinear partial derivative equation is shown. Thus, three examples<br />of PDE are solved by this method, which all lead to exact solutions. Our results suggest that this method can be extended to other more complex PDEs.</p>
Joseph BonazebiYindoula
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New Generalized Hermiteâˆ’Hadamard Type Inequalities for pâˆ’convex Functions in the Mixed Kind
https://jalgstat.com/index.php/ejpam/article/view/4015
<p>In this article, we would like to state generalized results related to wellknown Hermiteâˆ’ Hadamard dual inequality for pâˆ’convex functions using the newly introduced notion of (s, r)âˆ’convexity (sâˆ’convex function in mixed kind) with different techniques. Hence various established and new results would be captured as special case.</p>
Muhammad Bilal
Asif R. Khan
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On the Operator âŠ•k,m Related to the Wave Equation and Laplacian
https://jalgstat.com/index.php/ejpam/article/view/4006
<pre>In this article, we study the fundamental solution of the operator </pre><pre><span>$\oplus _{m}^{k}$</span>, iterated <span>$k$</span>times and is defined by</pre><pre><span>$$</span></pre><pre><span>\oplus _{m}^{k}</span></pre><pre><span> = \left[\left(\sum_{r=1}^{p} \frac{\partial^2}</span></pre><pre><span> {\partial x_r^2}+m^{2}\right)^4  \left( \sum_{j=p+1}^{p+q}</span></pre><pre><span> \frac{\partial^2}{\partial x_{j}^2} \right)^4 \right ]^k,</span></pre><pre><span>$$</span> </pre><pre>where <span>$m$</span> is a <span>nonnegative</span> real number, <span>$p+q=n$</span> is the dimension of the Euclidean space <span>$\mathbb{R}^n$</span>,</pre><pre><span>$x=(x_1,x_2,\ldots,x_n)\in\mathbb{R}^n$</span>, <span>$k$</span> is a <span>nonnegative</span> integer. At first we study the fundamental solution of the operator <span>$\oplus _{m}^{k}$</span> and after that, we apply such the fundamental solution to solve for the solution of the equation <span>$\oplus _{m}^{k}u(x)= f(x)$</span>, where <span>$f(x)$</span> is generalized function and <span>$u(x)$</span> is unknown function for <span>$ x\in \mathbb{R}^{n}$</span>.</pre>
Sudprathai Bupasiri
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Introduction to Neutrosophic Balgebras
https://jalgstat.com/index.php/ejpam/article/view/3996
<p>This paper introduces the notion of neutrosophic Balgebra. Several results on properties of neutrosophic Balgebras and neutrosophic subalgebras are presented and proved.</p>
Danilo Oppus Jacobe
Jocelyn P. Vilela
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Group Splitting with SOR/AOR Methods for Solving Boundary Value Problems: A Computational Comparison
https://jalgstat.com/index.php/ejpam/article/view/4031
<p>Many researchers are working on the explicit group methods as the alternative methods for solving several boundary value problems. These methods have been shown to be much faster than the other point iterative methods in solving the elliptic partial differential equations (EPDEs), which is due to the formersâ€™ overall lower computational complexities. This paper is concerned with the application of a suitable Explicit Group (EG) iterative method for solving EPDEs. This study will compare several iterative methods such that S5pointSOR,4 PointEGSOR, 5SpointAOR, and 4 PointEGAOR. Numerical experiments were carried out to confirm our results by using MATLAB software. The results reveal that 4 PointEGAOR is the most superior method among these methods.</p>
Abdulkafi Mohammed Saeed
Najah Mohammad ALharbi
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Note on (i, j) âˆ’ mX âˆ’ Î²âˆ’Exterior Sets in Biminimal 3 Structure Spaces
https://jalgstat.com/index.php/ejpam/article/view/4003
<p>In that paper, the concept of (i, j) âˆ’ mX âˆ’ Î²âˆ’exterior sets in a biminimal structure<br />space (BSS) and a biminimal structure subspace (BSs) were introduced. Based on properties of BSS and BSs, some new notions and several properties of those sets dealing with this space were obtained in both of BSS and BSs. Some examples were given to illustrate the effectiveness of these results.</p>
Torsak Prasertsang
Patarawadee Prasertsang
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Some New Results of Fixed Point in Fuzzy Soft Gmetric Spaces
https://jalgstat.com/index.php/ejpam/article/view/4028
The main goal of the present paper is to study and prove some results of fixed<br />points for mappings satisfying different conditions in fuzzy soft Gmetric spaces.
Abdelhamied Farrag Sayed
Abdullah Alahmari
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
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Tensor Product and Certain Solutions of Fractional Wave Type Equation
https://jalgstat.com/index.php/ejpam/article/view/4012
In this paper we Ã–nd certain solutions of some fractional partial diÂ§erential equations. Tensor product of Banach spaces is used to Ã–nd some solutions where separation of variables does not work. We solve the fractional wave type equation using fractional Fourier Series
Ibtisam Benkemache
Mohammad Alhorani
Roshdi Rashid Khalil
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
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On the Aspects of Enriched Latticevalued Topological Groups and Closure of Latticevalued Subgroups
https://jalgstat.com/index.php/ejpam/article/view/4021
<p>Starting with L as an enriched clpremonoid, in this paper, we explore some categorical connections between Lvalued topological groups and Kent convergence groups, where it is shown that every Lvalued topological group determines a wellknown Kent convergence group, and conversely, every Kent convergence group induces an Lvalued topological group. Considering an Lvalued subgroup of a group, we show that the category of Lvalued groups, LGRP has initial structure. Furthermore, we consider a category LCLS of Lvalued closure spaces, obtaining its relation with Lvalued Moore closure, and provide examples in relation to Lvalued subgroups that produce Moore collection. Here we look at a category of Lvalued closure groups, LCLGRP proving that it is a topological category. Finally, we obtain a relationship between LGRP and LTransTOLGRP, the category of Ltransitive tolerance groups besides adding some properties of Lvalued closures of Lvalued subgroups on Lvalued topological groups.</p>
TMG Ahsanullah
Fawzi AlThukair
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Generalized Iteration Method via Green's Function for the Solution of the Fourthorder Boundary Value Problems
https://jalgstat.com/index.php/ejpam/article/view/4020
<p>The aim of this paper is to extend and generalize PicardGreenâ€™s fixed point iteration method for the solution of fourthorder Boundary Value Problems. Several numerical applications to linear and nonlinear fourthorder Boundary Value Problems are discussed to illustrate the main results.</p>
Fatma AydÄ±n AkgÃ¼n
Zaur Rasulov
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
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Definite Integral of Power and Algebraic Functions in terms of the Lerch Function
https://jalgstat.com/index.php/ejpam/article/view/4017
<p>Bierens de haan (1867) evaluated a definite integral involving the cotangent function and this result was also listed in Gradshteyn and Ryzhik (2007). The objective of this present note is to use this integral along with Cauchy's integral formula to derive a definite logarithmic integral in terms of the Lerch function. We will use this integral formula to produce a table of known and new results in terms of special functions and thereby expanding the list of definite integrals in both text books.</p>
Robert Reynolds
Allan Stauffer
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
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On Gamma LARings and Gamma LASemirings
https://jalgstat.com/index.php/ejpam/article/view/4034
<p>In this note, first we add some new results in Gamma LArings and then we initiate the notion of Î“LAsemirings. Moreover, we introduce and discuss the terms left ideals, right ideals, biideal, quasi ideals, almost prime and weakly almost prime ideals of a Î“LAsemiring and their characterizations.</p>
Waheed Ahmad Khan
Abdelghani Taouti
Azar Salami
Zahid Hussain
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
989
1001
10.29020/nybg.ejpam.v14i3.4034

Finite Groups with Minimal CSSsubgroups
https://jalgstat.com/index.php/ejpam/article/view/4036
Let G be a finite group. A subgroup H of G is called SSquasinormal in G if there is a supplement B of H to G such that H permutes with every Sylow subgroup of B. A subgroup H of G is called CSSsubgroup in G if there exists a normal subgroup K of G such that G = HK and H âˆ©K is SSquasinormal in G. In this paper, we investigate the influence of minimal CSSsubgroups of G on its structure. Our results improve and generalize several recent results in the literature.
A. A. Heliel
R. A. Hijazi
S. M. AlShammari
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1002
1014
10.29020/nybg.ejpam.v14i3.4036

On Resolving Hop Domination in Graphs
https://jalgstat.com/index.php/ejpam/article/view/4055
<p>A set S of vertices in a connected graph G is a resolving hop dominating set of G if S is a resolving set in G and for every vertex v âˆˆ V (G) \ S there exists u âˆˆ S such that dG(u, v) = 2. The smallest cardinality of such a set S is called the resolving hop domination number of G. This paper presents the characterizations of the resolving hop dominating sets in the join, corona and lexicographic product of two graphs and determines the exact values of their corresponding resolving hop domination number.</p>
Jerson Saguin Mohamad
Helen M. Rara
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1015
1023
10.29020/nybg.ejpam.v14i3.4055

On General Properties of Degenerate Systems of Second Order Partial Differential Equations of Hypergeometric Type
https://jalgstat.com/index.php/ejpam/article/view/4016
<p>For the first time, the general properties of degenerate related hypergeometric systems such as Horn, Whittaker, Bessel and Laguerre are investigated together. The joint research allowed to reveal their various common properties and to establish a number of new degenerate related systems. They are all private cases of the common system offered by the authors for consideration. For the full study, it is important to classify its regular and irregular special curves and to identify the types of corresponding solutions. In this paper, they are implemented using simple rules. Special attention is paid to the construction of normal and regular solutions, because the solutions of all related degenerate systems such as Horn, Whittaker, Bessel and Laguerre near the irregular singularity on infinity relate to this species. Peculiarities of building normalregular solutions by the FrobeniusLatysheva method are shown. All constructed normalregular solutions are expressed through the function of Humbert Â variables, which is the solution of degenerate hypergeometric system of Horn type. As an example, the cases Â where, along with the application of the FrobeniusLatysheva method, the possibility of outputting new degenerate related systems is demonstrated.</p>
Akkenzhe Issenova
Zhaksylyk Tasmambetov
Nusrat Rajabov
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1024
1043
10.29020/nybg.ejpam.v14i3.4016

Comparison of the Adomian Decomposition Method and Regular Perturbation Method on Nonlinear Equations Second Kind of Volterra
https://jalgstat.com/index.php/ejpam/article/view/4014
<p>In this paper, we study convergence of Adomian decomposition method applied to<br />second kind Volterra general integral and show that this method and regular perturbation method converges to the same solution.</p>
Rasmane Yaro
Bakari Abbo
Bassono Francis
Youssouf Pare
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1044
1056
10.29020/nybg.ejpam.v14i3.4014

Extremal Copulas and Tail Dependence in Modeling Stochastic Financial Risk
https://jalgstat.com/index.php/ejpam/article/view/3951
<p>These last years the stochastic modeling became essential in financial risk management related to the ownership and valuation of financial products such as assets, options and bonds. This paper presents a contribution to the modeling of stochastic risks in finance by using both extensions of tail dependence coefficients and extremal dependance structures based on copulas. In particular, we show that when the stochastic behavior of a set of risks can be modeled by a multivariate extremal process a corresponding form of the underlying copula describing their<br />dependence is determined. Moreover a new tail dependence measure is proposed and properties of this measure are established.</p>
Hassane Abba Mallam
Natatou Dodo Moutari
Barro Diakarya
Saley Bisso
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1057
1081
10.29020/nybg.ejpam.v14i3.3951

Quantum Codes Obtained through Constacyclic Codes over Z3 + Î½Z3 + Ï‰Z3 + Î½Ï‰Z3
https://jalgstat.com/index.php/ejpam/article/view/4043
This paper is concerned with, structural properties and construction of quantum codes over Z3 by using constacyclic codes over the finite commutative nonchain ring R = Z3 + Î½Z3 + Ï‰Z3 + Î½Ï‰Z3 where Î½2 = 1, Ï‰2 = Ï‰, Î½Ï‰ = Î½Ï‰, and Z3 is field having 3 elements with characteristic 3. A Gray map is defined between R and Z43. The parameters of quantum codes over Z3 are obtained by decomposing constacyclic codes into cyclic and negacyclic codes over Z3. As an application, some examples of quantum codes of arbitrary length, are also obtained.
Jagbir Singh
Prateek Mor
Shikha .
Meena .
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1082
1097
10.29020/nybg.ejpam.v14i3.4043

Forcing Total drPower Domination Number of Graphs Under Some Binary Operations
https://jalgstat.com/index.php/ejpam/article/view/3915
In this paper, the total drpower domination number of graphs such as complete bipartite graph, generalized fan and generalized wheel are obtained. The forcing total drpower domination number of graphs resulting from some binary operations such as join, corona and lexicographic product of graphs were determined.
Cris Laquibla Armada
Copyright (c) 2021 European Journal of Pure and Applied Mathematics
20210805
20210805
14 3
1098
1107
10.29020/nybg.ejpam.v14i3.3915