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All published articles 1763

Design and Fabrication of Ultra Wide Band Hexagonal Shaped Microstrip Antenna for WPAN Applications

Sukhdeep Kaur & Rajesh Khanna · Journal of Advances in Mathematics and Computer Science · 2015

The paper introduces ultra-wideband (UWB) antenna for WPAN application with reduced ground plane size. This paper proposes a hexagonal antenna with microstrip feed line. The proposed antenna with small size and different ground structure is considered to reduce the surface wave a...

Open access Research Article 10.9734/BJMCS/2015/15463

Non-standard Numerical Approaches for Solutions of Some Second Order Ordinary Differential Equations

Adesoji Obayomi · Journal of Advances in Mathematics and Computer Science · 2015

A set of non-standard discrete models are constructed for the solution of non-homogenous second order equation. The method of non-local approximation and renormalization of the discretization functions have been applied to some examples and the result has shown that the schemes b...

Open access Research Article 10.9734/BJMCS/2015/15620

Dynamic Classification Based Brain Emotional Learning for EEG Signal Processing in P300-based Brain and Computer Interface

Sayede Houri Razavi & Omid Mahdi Ebadati E. · Journal of Advances in Mathematics and Computer Science · 2015

Aims/ Objectives: Today, the interest in brain and computer interfaces has rapidly grown owing to the possibility of providing disabled subjects with new communication channels. Despite these interests, there are some obstacles in providing applicable BCIs. One of these obstacles...

Open access Research Article 10.9734/BJMCS/2015/15167

Universal Walsh Series with Monotone Coefficients in Weighted Lp Spaces

Martin Grigoryan & Zaruhi Davtyan · Journal of Advances in Mathematics and Computer Science · 2015

For any 0 < δ < 1 there exists a measurable function μ(x), 0 < μ(x) ≤ 1, with | {x ∈ [0, 1]; μ(x) ≠ 1} |< δ, and a series in the Walsh system  of the form                                                               such that for any p ≥ 1 and any function  one can f...

Open access Research Article 10.9734/BJMCS/2015/14246

Demiclosed Principle and Δ-Convergence of Fixed Points for Total Asymptotically Nonexpansive Mappings in Hyperbolic Spaces

Li-Li Wan · Journal of Advances in Mathematics and Computer Science · 2015

In this paper, we prove the existence of fixed points and demiclosed principle for total asymptotically nonexpansive mappings in hyperbolic spaces. As a consequence, we obtain a Δ-convergence theorem for such mappings in hyperbolic spaces. Our results improve and extend some resu...

Open access Research Article 10.9734/BJMCS/2015/15414

Asymptotic Behavior of Solutions to Singular Quasilinear Dirichlet Problem with a Convection Term

Chunlian Liu & Zuodong Yang · Journal of Advances in Mathematics and Computer Science · 2015

In this paper, we study the boundary behavior of solution to the singular Dirichlet problem                                   where Ω is a bounded domain with smooth boundary in RN, λ ∈ R,m > 1, 0 < q ≤ m/(m - 1), lims→0+ g(s) = +∞, and b ∈ Ca(Ω), which is non-negative on Ω...

Open access Research Article 10.9734/BJMCS/2015/12968

Overview of Trends Leading to Parallel Computing and Parallel Programming

Charles I. Saidu, A. A. Obiniyi & Peter O. Ogedebe · Journal of Advances in Mathematics and Computer Science · 2015

Since the development and success of the first computer built from transistors in 1955, the quest for faster computers and computations have brought about various technological advancement in the way computers are built and the techniques involved in programming these computers....

Open access Research Article 10.9734/BJMCS/2015/14743

Efficient Harmful Email Identification Using Neural Network

Thangairulappan Kathirvalavakumar, Krishnasamy Kavitha & Rathinasamy Palaniappan · Journal of Advances in Mathematics and Computer Science · 2015

Phishing is a form of online fraud that aims to steal a user’s sensitive information such as online banking passwords or credit card numbers. In this paper, we present a technique to quickly detect suspicious email using Neural Network Pruning approach. The goal is to determine w...

Open access Research Article 10.9734/BJMCS/2015/15279

A Fuzzy Approach for Solving Three–Level Chance Constrained Quadratic Programming Problem

O. E. Emam, M. A. Abdel-Fattah & A. S. Ahmed · Journal of Advances in Mathematics and Computer Science · 2015

This paper presents a fuzzy approach for solving a three-decision maker’s model and presents how to solve three–level chance constraints quadratic programming problem. After converting probabilistic nature of the constraints to equivalence deterministic constraints each level att...

Open access Research Article 10.9734/BJMCS/2015/14586

Incorporation of 3-phase Commit Protocol into the Existing Intrusion Detection Systems in the Mobile Ad-hoc Network

Makanjuola Daniel · Journal of Advances in Mathematics and Computer Science · 2015

A mobile ad-hoc network is a collection of mobiles nodes forming an ad-hoc network without the assistance of any centralized structures [1]. It is a collection of communication devices or nodes that wish to communicate without any fixed infrastructure and pre-determined organizat...

Open access Research Article 10.9734/BJMCS/2015/14987

A Computational Complexity Analysis of an Algorithm for Reliability Optimization

Benedict K. Nmah · Journal of Advances in Mathematics and Computer Science · 2015

Least-cost allocation of redundancy within subsystems of a series-parallel system to meet a requirement for system reliability may be modelled as a nonlinear integer program in which the number of variables is equal to the number of subsystems. The data are the system requirement...

Open access Research Article 10.9734/BJMCS/2015/14835

Evaluation of Some Convolution Sums and Representation Numbers of Quadratic Forms of Discriminant -135

Barış Kendirli · Journal of Advances in Mathematics and Computer Science · 2015

We evaluate the convolution sums   using the theory of quasimodular forms and determine the number of representations of a positive integer n by some direct sum of the forms  of discriminant -135 by modular forms. Moreover, we explain how to determine the number of representation...

Open access Research Article 10.9734/BJMCS/2015/13973

An Optimization Problem with Controls in the Coefficients of Parabolic Equations

M. H. Farag, T. A. Nofal, Mohamed A. El-Sayed & T. S. M. AL-Qarni · Journal of Advances in Mathematics and Computer Science · 2015

In this paper, an optimal control parabolic problem is studied. The existence and uniqueness theorem for the solving optimal control parabolic problem is proved. Also, a theorem for the sufficient differentiability conditions of the functional and its gradient formulae has been p...

Open access Research Article 10.9734/BJMCS/2015/14738

A Hybrid Expert System for the Estimation of the Environmental Impact of Urban Development

Pedro Pablo González-Pérez, María del Carmen Gómez-Fuentes & Joaquín Hernández Velázquez · Journal of Advances in Mathematics and Computer Science · 2015

Aims: In this paper we present a prototype of a computational system, running on the web, for the estimation of environmental impact caused by urban development. The system represents and manipulates the expert knowledge of the environmental impact domain through the collaborativ...

Open access Research Article 10.9734/BJMCS/2015/15239

On Modelling of Promiscuous Lifestyle; An SIR Dynamics

W. Obeng-Denteh, B. A. Obeng & G. O. Fosu · Journal of Advances in Mathematics and Computer Science · 2015

An epidemiological model depicting the dynamics of campus sex among students is analyzed in this study. For the purpose of this research, sexual activities among students is considered as a disease called SESEX. The Susceptible - Infected - Recovered (SIR) model is used in analyz...

Open access Research Article 10.9734/BJMCS/2015/11815