Solutions to the oligopolistic equilibrium problem have been obtained under a variety of concavity and differentiability assumptions about the supply and inv...

This paper presents a general dynamic programming algorithm for the solution of optimal stochastic control problems concerning a class of discrete event syst...

This paper describes an integer linear programming algorithm for vehicle routing problems involving capacity and distance constraints. The method uses const...

Consider a set of trips where each trip is specified a priori by a place of origin, a destination, a duration, a cost and a time interval within which the tr...

The variational inequality problem can be formulated as a nonconvex, nondifferentiable optimization problem. We show that this formulation leads to a conver...

Ce rapport a pour but de fournir une description plus précise des technologies utilisées dans l'industrie du zinc en considérant un ensemble d'activités cara...

The aim of this paper is to propose a deterministic model designed for the analysis of social services policies directed toward large populations. The model...

In this article, two Lagrangean relaxations for the vehicle routing problem with time windeow constraints are examined. In the first case, the scheduling co...

Ce rapport a pour but de fournir une description plus précise des technologies utilisées dans l'industrie des scories de titane en considérant un ensemble d'...

Ce rapport a pour but de fournir une description plus précise des technologies utilisées dans l'industrie du cuivre en considérant un ensemble d'activités ca...

Bus fleet route planning is often carried out in the following two sequential stages:<br> 1) Based on the demand, determine the trips to be carried out.<br>...

This paper provides an integer linear programming formulation for a class of multidepot vehicle routing problems. This formulation contains degree constrain...

Les modèles développés jusqu'à maintenant dans le domaine urbain, que ce soient les modèles économétriques ou encore les modèles déterministes de simulation,...

A two-country fishery management game is considered in the realm of the theory of non-cooperative and cooperative differential games. Conditions which guara...

A two country differential game mode of whaling is used for analysing a dynamic bargaining problem. At a given initial time, the two countries may either co...

The deepest, or least shallow, cut ellipsoid method is a polynomial (time and space) method which finds an ellipsoid, representable by polynomial space integ...

Recently much attention has been focused on multilevel programming, a branch of mathematical programming that can be viewed either as a generalization of min...

Le problème du voyageur de commerce (PVC) symétrique consiste à déterminer le cycle le plus court passant exactement une fois par chacun des noeuds d'un grap...

Consider a set of trips where each trip is specified a priori by a place of origin, a destination, a duration, a cost and a time interval within which the tr...

A non-cooperative game is formulated on a transportation network with congestion. The players are associated with origin-destination pairs, and are facing d...

Ce rapport a pour but de fournir une description plus précise des technologies utilisées dans l'industrie du ciment en considérant un ensemble d'activités ca...

Consider a set of trips where each trip is specified a priori by a place of origin, a destination, a duration, a cost and a time interval within which the tr...

Le logiciel MARKAL a été implanté sur l'ordinateur AMDAHL 470 V7A du Centre de Calcul de l'Université McGill à Montréal. Les principaux programmes de ce log...

This paper consider the problem of determining the shortest circuit or cycle in a graph containing n nodes and such that (i) each of k nodes (k &#x2264; n) i...

This paper shows the existence of a class of valid inequalities for two types of vehicle routing problems. These inequalities constitute a generalization of...

Ce rapport décrit les objectifs et la structure propre des modèles MEDEE et MARKAL et présente une méthodologie de couplage entre ces deux modèles, l'un orie...

Ce rapport décrit MARKAL-Production, un modèle de programmation linéaire qui optimise l'offre énergétique au Québec sur l'horizon 1980-2020. Nous décrivons ...

Ce rapport présente quelques façons de décrire le secteur des raffineries de pétrole dans le modèle MARKAL. Nous présentons d'abord la structure générale de...

This paper deals with a prediction model for the nursing care demand in a surgical department. The model is based on a description of disease dynamics by se...

Thèse de doctorat

Let G = (N,E) be an undirected graph where N is the set of nodes and E, the set of edges. Let C be a symmetrical distance matrix defined on N² an...

A regular consumption unit is defined by (&#x3a9;, &#x2A7D;, W_S), where &#x3a9; is an open connected subset of &#x211d;ⁿ and &#x2A7D; i...

La caractérisation de l'état d'équilibre d'un nombre restreint de firmes en concurrence sur un même marché est un problème classique de la théorie économique...