شماره 4 تاریخ انتشار 2007-04-01

• An optimization technique for vendor selection with quantity discounts using Genetic Algorithm
• Evaluating quantitative stock selection strategies in Tehran Stock Exchange
• Two optimal algorithms for finding bi-directional shortest path design problem in a block layout
• Advanced operations research techniques for multi-constraint QoS routing in internet
• Multi-start simulated annealing for dynamic plant layout problem
• The trim loss concentration in one-dimensional cutting stock problem (1D-CSP) by defining a virtual cost
• On the multivariate variation control chart
• A new approach to determine efficient DMUs in DEA models using inverse optimization