2013, Volume 14, Issue Number 2

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Table of Contents


Linear maps preserving unitary operators and their applications PDF
A. Chahbi, A. Roukbi, S. Kabbaj 1-8
Estimation Parameters of Mixture of Multivariate Normal Pattern PDF
P. Nasiri, A. Aneshkani 9-21
Refinement mesh via hierarchical error estimator and topological gradient: coupling with R-adaptation technique. PDF
A. Alla, M. Masmoudi, Z. Mghazli 22-35
Mountain pass solution to a class of nonlinear problems involving the p(x)-Laplacian operator PDF
S.H. Rasouli, M. Nategh 36-42
Improved Estimators for Population Mean using Attributes and Auxiliary Characters under Incomplete Information PDF
R. R. Sinha, Vinod Kumar 43-54
Tangential intersection curve of two ruled surfaces in E^3 PDF
H. S. Abdel-Aziz, M. Khalifa Saad, A. A. Abdel-Salam 55-65
An Internal Migration Model and Estimation of its Parameters PDF
Babulal Seal, Sk Jakir Hossain 66-77
Timelike Bertrand Curves in Semi-Euclidean Space PDF
Soley Ersoy, Murat Tosun 78-89
Timelike W-Surfaces in Minkowski 3-Space R^3_1 and the Sinh-Gordon Equation PDF
Rashad A. Abdel-Baky, M. T. Aldossary 90-102
A Class of Estimators for Population Variance in Two Phase Sampling PDF
A. Debnath, A. Bandyopadhyay 103-112