Volume 4, Number 5 (2019)
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SCIREA Journal of Mathematics — Open Access Journal

SCIREA Journal of Mathematics is an international, scientific peer-reviewed open access journal published online by SCIREA.

Open Access free for readers, with article processing charges (APC) paid by authors or their institutions.

High visibility: Indexed in the Google Scholar and other databases.

Rapid publication: manuscripts are peer-reviewed and a first decision provided to authors approximately 20 days after submission; acceptance to publication is undertaken in 5 days.

Recognition of reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any SCIREA journal, in appreciation of the work done.

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Volume 4, Issue 5, October 2019

Open Access
Ahmed N. K. Alfarra, Hui Xiaofeng, Ehsan Chitsaz, Jaleel Ahmed
Abstract: In this paper, we investigate the countercyclical buffer addressed in the Basel III framework. The ‘countercyclical buffer ‘targets at the extenuation of the supposedly harmful behavior of bank capital. The size of the buffer after the stepwise growths during the application stage finally reaches 2.5%. Therefore, the presen [...] Read more.
Abstract      ReferencesPDF (235 K)   August 19, 2019     10 Downloads    40 Views

Volume 4, Issue 4, August 2019

Open Access
Fang-Ming Hsu, Chien-Ho Liao, Qian-Feng Liu
Abstract: Earning profit is always the paramount issue for investors. Many factors have been proved to affect stock returns, although information uncertainty is rarely discussed. This study examines how the effect of investors’ sentiments on stock returns and trading volumes is moderated by information uncertainty. Text mining techno [...] Read more.
Abstract      ReferencesPDF (421 K)   July 15, 2019     34 Downloads    300 Views
Open Access
D.G. Zaccari, C.J. AlturriaLanzardo, J.E. Pérez, J.C. Cesco
Abstract: In this paper, we present two new approximants for the Error Function. The starting point for obtaining them, is to use two alternative integral representations involving improper integrals. Both integrands include the function. Therefore, by replacing by its truncated Taylor's expansion, we obtain a rational approximan [...] Read more.
Abstract      ReferencesPDF (310 K)   August 5, 2019     33 Downloads    137 Views

Volume 4, Issue 3, June 2019

Open Access
Anika Ferdous, Tania S. Khaleque
Abstract: The present study considered the thermal convection of ferrofluids along a flat plate subject to uniform heat flux and slip velocity in the presence of radiation with a magnetic field applied in the transverse direction. Two different types of ferrofluids are considered: one magnetic nanoparticle (Fe_3 O_4) and one non-magn [...] Read more.
Abstract      ReferencesPDF (985 K)   June 4, 2019     108 Downloads    564 Views

Volume 4, Issue 2, April 2019

Open Access
Xiaoyang Zheng, Yuling Zeng, Qiulin Huang, Chengyou Luo, Wei wang
Abstract: The Crank-Nicolson and upwind difference schemes are used to solve the one dimensional convection-diffusion equation. Then the numerical solutions obtained and the exact solution are implemented to estimate the parameters, i.e. the convection and diffusion coefficients in this type equation by the least squares method. The [...] Read more.
Abstract      ReferencesPDF (1442 K)   April 26, 2019     140 Downloads    562 Views
Open Access
Shinemin Lin, Lewis Hall
Abstract: On April 12, 2018 Dr. Ana-Maria Croica gave a presentation as NSF-Target Infusion Program Seminar Series. Her topic is “An Optimal Control Model to Reduce and Eradicate Anthrax Disease in Herbivorous Animals. This research is based on Saad-Roy’s Mathematical Model of Anthrax Transmission in Animal Population. I was impre [...] Read more.
Abstract      ReferencesPDF (1779 K)   May 27, 2019     102 Downloads    449 Views

Volume 4, Issue 1, February 2019

Open Access
Peter Kopanov, Miroslav Marinov, Atakan Salimov
Abstract: In this paper we consider cases of the existence of the moments of functions of random variables supported on a bounded interval. Our attention is restricted to the tan function, as a generalization of the Cauchy distribution which is infact the result of applying this function to a uniformly distributed variable. [...] Read more.
Abstract      ReferencesPDF (207 K)   March 23, 2019     147 Downloads    1085 Views
Open Access
Guanghai Tang, Ruili Chu
Abstract: To find out the impact of Internet on Residents’ Consumption Structure and Regional Differences, panel data analysis and experimental study were used to analyze China’s provincial panel data from 2003 to 2016. The results show that from the overall level of the country, the Internet development plays a significant role in p [...] Read more.
Abstract      ReferencesPDF (324 K)   April 9, 2019     87 Downloads    1058 Views

Volume 3, Issue 3, June 2018

Open Access
WOLF Marc, WOLF François
Abstract: We study the composite odd numbers via their indices with a function ranging through all of them. This mapping allows us to demonstrate that the set of these indices are described with two families of finite sequences with arithmetic differences. Composite odd numbers are then shown to be obtained as differences of two squa [...] Read more.
Abstract      ReferencesPDF (623 K)   August 2, 2018     325 Downloads    1432 Views
Open Access
WOLF Marc, WOLF François, LE COZ Corentin
Abstract: We propose a new algorithm solving the extended gcd problem, which provides a solution minimizing one of the two coordinates. The algorithm relies on elementary arithmetic properties. [...] Read more.
Abstract      ReferencesPDF (269 K)   August 2, 2018     197 Downloads    1158 Views

Volume 3, Issue 2, April 2018

Open Access
Ayman Waziry
Abstract: Science is a matter of asking for information by specifying the difference between fact and opinion. Fact in a scientific context is a generally accepted reality, but still open to scientific inquiry, as opposed to an absolute truth, which is not a part of science. The hypotheses and theories are generally based on objectiv [...] Read more.
Abstract      ReferencesPDF (4728 K)   April 24, 2018     2181 Downloads    12700 Views

Volume 3, Issue 1, February 2018

Open Access
Yeong-Jeu Sun
Abstract: In this paper, the existence of limit cycles for a class of nonlinear systems is explored. Based on the time-domain approach with differential and integral inequalities, the phenomenon of the stable limit cycle can be accurately verified for such nonlinear systems. Furthermore, the exponentially stable limit cycles, frequen [...] Read more.
Abstract      ReferencesPDF (195 K)   December 30, 2017     234 Downloads    1284 Views
Open Access
Lázaro J. Miranda Díaz
Abstract: Radical arithmetic electronic controllers for automatic control of industrial processes, base their operating principle on the use of new mathematical equations deduced specifically for this purpose and they have been reviewed and approved by MsC. Maria Victoria Mederos, professor at the Faculty of mathematics and computer [...] Read more.
Abstract      ReferencesPDF (317 K)   January 7, 2018     105 Downloads    1284 Views
Open Access
Alexander V. Evako
Abstract: In the present paper, we study basic properties of digital n-dimensional manifolds and digital simply connected spaces. An important property of a digital n-manifold is that M is a digital n-sphere if and only if for any point v of M, M-v is a digital n-disk. It is proved that a digital (n-1)-sphere S [...] Read more.
Abstract      ReferencesPDF (1033 K)   January 14, 2018     127 Downloads    1212 Views
Open Access
Xiwu Han
Abstract: This paper at first isolates a group of Monty Hall problems, in which all doors are exhaustively chosen, swapped and revealed one by one, then introduces a new variant of briefer tree diagrams for the conditional probability calculation of three-doors and four-doors, and finally gives the recurrence form for n-doors and its [...] Read more.
Abstract      ReferencesPDF (346 K)   January 14, 2018     108 Downloads    1158 Views
Open Access
K.RAJESHWAR REDDY, M.CHENNA KRISHNA REDDY
Abstract: A numerical investigation of an unsteady MHD natural convection flow past an impulsively moving plate with ramped temperature. The dimensionless governing coupled, non- linear boundary layer partial differential equations are solved by a finite element method. The effects of the various dimensionless parameters entering int [...] Read more.
Abstract      ReferencesPDF (973 K)   January 14, 2018     97 Downloads    1242 Views

Volume 2, Issue 3, December 2017

Open Access
Fengxia Zheng
Abstract: In this paper, by introducing the concept of a generalized concave operator and the properties of cone and monotone iterative technique in ordered Banach spaces, some new existence and uniqueness theorems of fixed points for the operator under more extensive conditions are obtained. Finally, as applications, we apply the re [...] Read more.
Abstract      ReferencesPDF (387 K)   November 4, 2017     229 Downloads    1362 Views

Volume 2, Issue 2, April 2017

Open Access
Zdravko Dimitrov Slavov, Christina Slavova Evans
Abstract: In this paper we consider the first general theories of multi-objective mathematical programming. They stem from optimization techniques in economics and are attributed to the economists Francis Edgeworth and Vilfredo Pareto. We will focus our attention on these ideas from a mathematical point of view. [...] Read more.
Abstract      ReferencesPDF (321 K)   April 25, 2017     143 Downloads    1307 Views
Open Access
Shinemin Lin, Domenick Thomas
Abstract: Over the past six years, I have integrated student engagement through inquiry- and project-based learning into college mathematics instructions. I attended many workshops about using computation modeling in the classroom supports student learning and reduces student anxiety. Through dynamic modeling students can connect Ma [...] Read more.
Abstract      ReferencesPDF (579 K)   May 10, 2017     149 Downloads    1362 Views

Volume 2, Issue 1, February 2017

Open Access
Behnam Razzaghmaneshi
Abstract: Let be the JS-imprimitive of that is . This group has order 48 and is generated by the matrices... ... [...] Read more.
Abstract      ReferencesPDF (634 K)   February 27, 2017     202 Downloads    1400 Views

Volume 1, Issue 2, December 2016

Open Access
Lam Weng Hoe, Lam Weng Siew
Abstract: Investors wish to minimize the risk and achieve the target rate of return in their investment. The mean-extended Gini model has been proposed in portfolio optimization to minimize the portfolio risk. The mean is used as the expected return of the investors and extended Gini is used as risk measure. The objective function of [...] Read more.
Abstract      ReferencesPDF (219 K)   December 21, 2016     2261 Downloads    12615 Views
Open Access
Andrii Safonyk
Abstract: In this paper, the mathematical model of biological water treatment by spatial filter was designed. The algorithm of numerical-asymptotic approximation of the solution of the corresponding model problem was developed. It describes a system of nonlinear singularly perturbed differential equations, such as "convection-diffusi [...] Read more.
Abstract      ReferencesPDF (637 K)   December 23, 2016     169 Downloads    1534 Views
Open Access
Rafidah Ali, Ani Shabri
Abstract: The tourism industry is an increasingly important national industry for Malaysia. Government policymakers and business managers pay close attention to the development of the tourism industry. In this study, two machine learning methods, artificial neural network (ANN) and support vector machine (SVM) were utilized to predic [...] Read more.
Abstract      ReferencesPDF (340 K)   January 11, 2017     137 Downloads    1446 Views

Volume 1, Issue 1, October 2016

Open Access
Syed Adil Hussain, Taha Hasan Associate Professor
Abstract: This research considers the Bayesian inference & ranking of the domestic News TV channels using method of paired comparisons. Results for analysis are computed in C language and programs’ coding are executed for seven parametric model’s inference. Furthermore, to ensure the appropriateness of the model, the goodness of fit [...] Read more.
Abstract      ReferencesPDF (420 K)   October 17, 2016     2271 Downloads    15697 Views
Open Access
Omprakash Sikhwal, Yashwant Vyas
Abstract: Various sequences of polynomials by the names of Fibonacci and Lucas polynomials occur in the literature over a century. Generalization of the Fibonacci polynomial has been done using various approaches. One usually found in the literature that the generalization is done by varying the initial conditions. In this paper we s [...] Read more.
Abstract      ReferencesPDF (601 K)   October 17, 2016     2345 Downloads    14064 Views
Open Access
Munmun Nath, Bijan Nath, Santanu Roy
Abstract: In this article, the notion of different types of statistically convergent and statistically null fuzzy real-valued sequences having multiplicity greater than two is introduced. Some algebraic and topological properties such as solid, monotone, symmetric, convergence free, sequence algebra etc. of these spaces are studied. [...] Read more.
Abstract      ReferencesPDF (683 K)   October 17, 2016     2245 Downloads    13951 Views
Open Access
Xiaoyang Zheng, Hong Su, Liqiong Qiu, Jiangping He
Abstract: This presents a refined approach for computing integral and product operators by using the rich properties of Legendre wavelet.The most advantages of this refined calculations are that the operational matrices are lower dimensions, coarse and its elements are the same on each subinterval, respectively. The operational matri [...] Read more.
Abstract      ReferencesPDF (213 K)   October 17, 2016     2275 Downloads    12559 Views
Open Access
Maged G. Bin-Saad, Amani M. Hanballa
Abstract: In this work we will introduce and study a generalized zeta function of the general Hurwitz – Lerch zeta functions. Here, we aim to derive basic properties of generalized zeta function for the general Hurwitz – Lerch zeta functions include some integral representations for several general Hurwitz – Lerch zeta functions a [...] Read more.
Abstract      ReferencesPDF (485 K)   October 19, 2016     2271 Downloads    12632 Views
Open Access
Li Wang, Assistant Professor, Lei Jin, PhD
Abstract: In past many years, biomathematics population models are constructed based on plausible explicit and implicit biological assumptions. In the case that not enough analysis is carried out for a well-motivated and plausible model, the result is no or minimum insights gained. In this study, existence of Hopf bifurcations of a n [...] Read more.
Abstract      ReferencesPDF (242 K)   October 20, 2016     264 Downloads    1573 Views
Open Access
Li WANG, Lei JIN
Abstract: Abstract In this paper, the global, non-vacuum solutions with large amplitude to the initial-boundary value problem of the one-dimensional compressible Navier-Stokes-Poisson system with viscosity and heat conductivity coefficients are considered. The proof is based on the analysis on the positive lower and upper bounds on [...] Read more.
Abstract      ReferencesPDF (676 K)   October 20, 2016     255 Downloads    1511 Views
Open Access
Lam Weng Siew, Liew Kah Fai, Lam Weng Hoe
Abstract: Healthcare industry plays an important role in the society and attracts the attention of the public nowadays. Healthcare industry has played a vital role in this world to provide goods and services to enhance quality of life, life expectancy, diagnostic and treatment options as well as the efficiency and cost effectiveness [...] Read more.
Abstract      ReferencesPDF (188 K)   October 20, 2016     2214 Downloads    12697 Views
Open Access
G.P.S. Rathore, Omprakash Sikhwal, Ritu Choudhary
Abstract: Sequences have been fascinating topic for mathematicians for centuries. The Fibonacci and Lucas sequences are examples of second order recursive sequences. Fibonacci sequence is defined by In recent years, few research scholars have been introduced Fibonacci-Like sequences which are similar to Fibonacci sequences in recur [...] Read more.
Abstract      ReferencesPDF (350 K)   October 28, 2016     2246 Downloads    12630 Views
Open Access
LabadzeLevan, SokhadzeGrigol, KvatadzeZurab
Abstract: An estimation procedure for Ornstein–Uhlenbeck process drift and volatility coefficients is given. The procedure is based on the maximum likelihood principle andplug-in-estimator. [...] Read more.
Abstract      ReferencesPDF (335 K)   November 13, 2016     189 Downloads    1515 Views
Open Access
Dariush Akbarian, Hossein Dibachi
Abstract: Free Replication Hull (FRH) is a special case of the CCR DEA problem in which the convexity axiom is excluded from the PPS of the CCR model and the intensity variables are restricted to the whole numbers. In this paper we propose MAJ-FRH, similar to the ranking method in data envelopment analysis proposed by Mehrabian et al [...] Read more.
Abstract      ReferencesPDF (552 K)   November 17, 2016     173 Downloads    1480 Views
Open Access
Dariush Akbarian
Abstract: The out-of-kilter algorithm is one of the basic algorithms that solve the minimum cost flow problem. The aim of this paper is to shows that if the dual of out of kilter formulation has optimal solution then it has integer optimal solution too [...] Read more.
Abstract      ReferencesPDF (371 K)   November 17, 2016     206 Downloads    1359 Views
Open Access
Lena J-T Strömberg
Abstract: Solutions to the Navier-Stokes equations for the Millenium Prize Problem are provided. These consist of a transient Pile-Up flow. A proof is given to show that the flow functions satisfy the Boundary Conditions at infinity. The proof for the spatial derivatives of velocity, u, and force, f, relies on decomposition of an exp [...] Read more.
Abstract      ReferencesPDF (182 K)   November 19, 2016     216 Downloads    1495 Views
Open Access
Shikha Bhatnagar, Omprakash Sikhwal
Abstract: In this paper, we consider additive pulsating Fibonacci sequences. First, we are introduced additive pulsating Fibonacci sequences of first and second kind. Further, explicit formulas in the form of its members are formulated and proved for additive pulsating Fibonacci sequences of first and second kind. [...] Read more.
Abstract      ReferencesPDF (314 K)   November 23, 2016     188 Downloads    1590 Views
Open Access
Shikha Bhatnagar, Omprakash Sikhwal
Abstract: The Fibonacci polynomials and Lucas polynomials are famous for possessing wonderful and amazing properties and identities. In this paper, Generalized Fibonacci polynomials are introduced and study its properties. Further, some recurrence relations state and derive for generalized Fibonacci polynomials. [...] Read more.
Abstract      ReferencesPDF (413 K)   November 23, 2016     262 Downloads    1328 Views
Open Access
Lena J-T Strömberg
Abstract: Rational points on elliptic curves are considered, in the formulation of BSD, and for nonlinear dynamical systems. Method used is the intersection with other curves, for a more general expression of an elliptic curve, known as an extended elliptic curve. It is found that there are elliptic curves with at most 3 rational sol [...] Read more.
Abstract      ReferencesPDF (379 K)   November 29, 2016     212 Downloads    1382 Views
Open Access
Yu. N. Zayko
Abstract: The article discusses some of the mathematical results widely used in practice which contain the Riemann ζ-function, and, at first glance, are in contradiction with common sense. A geometric approach is suggested, based on the concept of the curvature of space, in which is calculated an algorithm that specifies the represe [...] Read more.
Abstract      ReferencesPDF (298 K)   December 14, 2016     223 Downloads    1341 Views
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