Volume 4 . Number 2 May 2008
CONTENTS
Linear Almost Periodic Difference Equations Z. AlSharawi and J. Angelos
Some Relations among Minty Variational Inequalities of Differential Type and Increasing along Rays Functions R. Ferrentino
A Cooperative Biological Model with Combined Self-limitation and Cooperation Terms J.H. Kang
Duality Gap in Differentiable and Nondifferentiable Optimization Problems N. Daili and M. Khaldi