Roadway snow removal and disposal operations involve a host of strategic, tactical and operational problems. Those operations include spreading de-icers and abrasives, ploughing snow, loading snow into trucks, and transporting snow to disposal sites. We present a survey of optimization models and methods for roadway snow and ice control problems. We discuss the applied setting in which these problems arise, present mathematical formulations for them, and we survey representative solution algorithms. We also present a new formulation for the combined sector design, disposal site location and snow disposal assignment problem.

What is the role and importance of reverse logistics in the global logistic process? To begin with, different terms and definitions of reverse logistics encountered in the literature will be presented. Then, application fields and major activities of reverse logistics will be discussed. Finally, a critic of reverse logistics will be carried out and some research areas will be described.

This presentation describes an approach toward designing, evaluating, analyzing and selecting a layout that must evolve under uncertain demand. It describes briefly the metaheuristic used to solve the combinatorial and stochastic problem, and which integrates several classic linear programs. It provides empirical results of experiments on well-known cases and focalizes on holographic layouts to illustrate the key points and provide insights on layout robustness for factory designers.

La présentation porte sur une méthodologie de conception de réseaux d’usines fabriquant différents produits en considérant leurs procédés de production. L’approche spécifie les usines à ouvrir parmi les usines actuelles et potentielles, les processeurs et la main d’œuvre pour la fabrication. Un modèle mathématique est formulé et des résultats sont présentés.