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