Volume 13, Issue 2 (2017) | Journal of Mathematics and Statistics

A New Sequence Space Defined by Spectrum Operator and Musielak-Orlicz Function

Ayhan Esi — 2017-05-31

Journal of Mathematics and Statistics, Published online: 31 May 2017; doi:10.3844/jmssp.2017.70.76

Risks Ratios of Shrinkage Estimators for the Multivariate Normal Mean

Abdenour Hamdaoui — 2017-04-03

Journal of Mathematics and Statistics, Published online: 3 April 2017; doi:10.3844/jmssp.2017.77.87

We study the estimation of the mean θ of a multivariate Gaussian random variable X∼Np(θ,σ2Ip) in ℜp, σ2 is unknown and estimated by the chi-square variable S2∼σ2χn2. In this work we are in...

Fixed Point Theorems for Mappings Satisfying Weak Nonexpansivity Condition (Weak Contractivity Condition) into (from) Cartesian Products Normed Spaces

Sahar Mohamed Ali Abou Bakr — 2017-04-11

Journal of Mathematics and Statistics, Published online: 11 April 2017; doi:10.3844/jmssp.2017.88.97

This paper suggests new types of weak nonexpansive mappings defined from normed space X into its Cartesian product X × X, studies the main features of the fixed points for those mappings and extends ...

The Rotation Effect on Shear Horizontal Surface Wave in a Piezoelectric Semi-Space Covered by a Semiconductor Film

Fatimah Alshaikh — 2017-04-29

Journal of Mathematics and Statistics, Published online: 29 April 2017; doi:10.3844/jmssp.2017.98.105

In this study, a mathematical model of the rotation effect on Shear Horizontally wave (SH-wave) propagation in a piezoelectric semi-space covered by a semiconductor film is investigated. The semicondu...

Accessing the Appropriateness of a Spatial Regression Using Generalized (h₁h₂-)Slepian Random Field

Wayan Somayasa — 2017-05-02

Journal of Mathematics and Statistics, Published online: 2 May 2017; doi:10.3844/jmssp.2017.106.126

In this study we derived asymptotic goodness-of-fit test (model check) for spatial regression where the critical region as well as the p-value of the tests are approximated based on the distribution o...

Randomized Pixel Selection for Enhancing LSB Algorithm Security against Brute-Force Attack

Ammar Y. Tuama — 2017-05-16

Journal of Mathematics and Statistics, Published online: 16 May 2017; doi:10.3844/jmssp.2017.127.138

Steganography is the science of concealing a secret message by embedding it into innocent carriers such as text, audio, images, etc. It plays a crucial role in a broad range of security applications s...

An Upper Bound to the Number of Conjugacy Classes of Non-Abelian Nilpotent Groups

Bilal Al-Hasanat — 2017-05-23

Journal of Mathematics and Statistics, Published online: 23 May 2017; doi:10.3844/jmssp.2017.139.142

The number of conjugacy classes of symmetric group, dihedral group and some nilpotent groups is obtained. Until now, it has not been obtained for all nilpotent groups. Although there are some lower bo...

Prediction on Land Market Value Based on the Real Estate Market in USA

Lei Wang — 2017-05-23

Journal of Mathematics and Statistics, Published online: 23 May 2017; doi:10.3844/jmssp.2017.143.151

The Land Market Value, defined as the total value of land price and quantity data are derived from data on housing values, is an important factor in the estimation of structure costs using price index...

Lossy Asymptotic Equipartition Property for Networked Data Structures

Kwabena Doku-Amponsah — 2017-05-24

Journal of Mathematics and Statistics, Published online: 24 May 2017; doi:10.3844/jmssp.2017.152.158

In this study, we prove a Generalized Information Theory for Networked Data Structures modelled as random graphs. The main tools in this study remain large deviation principles for properly defined em...

Laminar Flow and Heat Transfer in a Square Channel Installed with Inclined Wavy Surface

Amnart Boonloi — 2017-05-25

Journal of Mathematics and Statistics, Published online: 25 May 2017; doi:10.3844/jmssp.2017.159.168

Laminar flow and heat transfer characteristic in a square channel heat exchanger installed with inclined wavy surface are investigated numerically. The inclined wavy surface is designed with the main ...

Univariate Generalized Additive Models for Simulated Stationary and Non-Stationary Generalized Pareto Distribution

Mostafa Behzadi — 2017-06-03

Journal of Mathematics and Statistics, Published online: 3 June 2017; doi:10.3844/jmssp.2017.169.176

Generalized additive models as a predictor in regression approaches, are made up over cubic spline basis and penalized regression splines. Despite of linear predictor in GLM, generalized additive mode...