Issue no. 1 Table of Contents

Genetic algorithm based approach to bi-level linear programming
Global optimization by artificial life : a new technique using genetic population evolution
The design and application of IPMLO. A FORTRAN library for linear optimization with interior point methods
Two-dimensional combination warranty policies
Sur la propriété de domination et l'existence de points Pareto-efficaces en optimisation vectorielle convexe
Optimal age replacement policy of a k-out-of-n system with age-dependent minimal repair
Generalized ordering policies with general random minimal repair costs and random lead times

Issue no. 2 Table of Contents

Achievable potential reductions in the method of Kojima et al. in the case of linear programming
Inverse barrier methods for linear programming
Bicriterion release policy for exponential software reliability growth model
A note on risk averse newsboy problem
Technical note on duality in linear vector maximization

Issue no. 3 Table of Contents

Optimal tool partitioning rules for numerically controlled punch press operations
Ordonnancement de tâches sur un système multiprocesseur - modèles déterministes et modèles stochastiques
Sur la dualité en optimisation vectorielle convexe
Approximation algorithms for integer covering problems via greedy column generation
A multi-criteria tabu search approach to cell formation problems in group technology with multiple objectives

Issue no. 4 Table of Contents

Probabilistic bounds on one step objective/potential function improvement in Karmarkar's algorithm
Distance à centre additive
Solutions of transferable utility cooperative games
An economical backup warning strategy for a hard disk
Fritz John's type conditions and associated duality forms in convex non differentiable vector-optimization
A relation between the approximated versions of minimum set covering, minimum vertex covering and maximum independent set