Volume 22 • Number 2 • 1999

Confidence Intervals Based on Corrected Likelihood Ratio Tests for Parallel Systems with Covariates
Ayman Baklizi, Isa Daud and Noor Akma Ibrahim

On Sums of k-EP Matrices
A.R. Meenakshi and S. Krishnamoorthy

Mertens Theorem and Closed Orbits Of Ergodic Toral Automorphisms
Mohd. Salmi Md. Noorani

Hydrologic Models for Coastal Environments in the Context of RACE
E-Kon Tan, Hooi-Ling Lee and Hock-Lye Koh

On the Solution of the Nonlinear Wave Equation by the Decomposition Method
D. Kaya and M. Inc

Classification and Clustering of Printed Mathematical Symbols with Improved Backpropagation and
Self-Organizing Map

Siti Mariyam Hj. Shamsuddin, Md. Nasir Sulaiman and Maslina Darus

Cyclic Subgroup Separability of Certain HNN Extensions
Wong Peng Choon and Gan Hui Woan

Non-Existence of Proper Semi-Invariant Submanifolds of a Lorentzian Para-Sasakian Manifold
U.C. De and Absos Ali Shaikh