En vue d'évaluer les stratégies possibles de coopération entre les pays industrialisés et les pays en développement pour limiter les changements climatiques ...

First-generation R&D-based endogenous growth models have been criticized because they predict strong scale effects (growth rate proportional to the size of...

This paper analyzes the coalitional Great Fish War model under the assumption that players differ in their time preferences and use different discount rate...

In 1956, Nordhaus and Gaddum gave lower and upper bounds on the sum and the product of the chromatic number of a graph and its complement, in terms of the or...

We study the welfare effects of Price Cap Regulation (PCR) and the strategic behaviour it may induce in gas transportation networks by analyzing a stylized g...

Interior-point methods in augmented form for linear and convex quadratic programming require the solution of a sequence of symmetric indefinite linear ...

This paper presents an hybrid Variable Neighborhood-Tabu Search algorithm to solve the Site Dependent Vehicle Routing Problem (SDVRPTW). Our implementation o...

Le but de cet article est de décrire et de résoudre un nouveau et important problème auquel font face les compagnies maritimes spécialisées dans le transport...

We prove here a tropical version of the well-known Whitney embedding theorem (1944) stating that a smooth <i>m</i>-dimensional compact manifold can be e...

This paper reviews the use of Fourier transform methods in the pricing of contingent claims. This is a very promosing topic in finance, given the scarcity ...

We study extremal graphs for the extremal values of the second largest <i>Q</i>-eigenvalue of a connected graph. We first characterize all simple connected g...

The present paper describes the coupling of the Mesh Adaptive Direct Search (MADS) algorithm with the FactSage thermochemical software, which allows to calcu...

During alloy and process design, it is often desired to identify regions of design or process variables for which certain calculated functions have optimal v...

The role of the Information and Communication Technology sector on productivity and economic growth is constantly increasing and, due to its pervasiveness, ...

La plupart des compagnies distribuant de l’huile de chauffage résolvent des problèmes de tournées de véhicules presque quotidiennement. Ces problèmes peuven...

Advanced discrete choice models, such as parametric/non-parametric mixed logit and hybrid choice models, are heavily used in travel behavior research. The...

The production-routing problem can be seen as a combination of two well known combinatorial optimization problems: the lotsizing and the vehicle routing prob...

This study proposes a game theoretic approach toward the analysis of renewable portfolio standard policy (RPS), which is one of the main forces behind prom...

Le vieillissement de la population a mis l'accent sur les systèmes publics de retraite dans la plupart des pays développés. Pour éviter que les déficits de l...

The presence of symmetry is common in certain types of scheduling problems. Symmetry can occur when one is scheduling a collection of jobs on multiple identi...

Le problème d'affectation d'activités et de tâches consiste à affecter des activités interruptibles et des tâches non interruptibles à des quarts de travai...

This paper provides some evidence on electricity--natural gas price interactions along with trade effects on electricity prices. The analysis helps to better...

Semidefinite programming has been used successfully to build hierarchies of convex relaxations to approximate polynomial programs. This approach rapidly beco...

Paleoclimate evidence and climate models indicate that certain elements of the climate system may exhibit thresholds, with small changes in greenhouse gas em...

The computational intractability of the dynamic programming (DP) equations associated with optimal admission and routing in stochastic loss networks of any n...

This paper deals with an application of dynamic games for the design of efficient climate policies involving both adaptation and mitigation elements. More pr...

Optimization of single machine, single part-type dedicated Kanban policies in multi-part transfer lines with unreliable machines is considered. At each prod...

This paper presents an extension of the well known random forest method to the case of clustered data. The proposed "mixed effects random forest" method is i...

We revisit the question of why some participants in online auctions place their bids right before the time of closing. Using e-Bay data for two product cate...

It is seldom the case that one has the opportunity to compare investments as projected by a long-term multi-period model to what is eventually realized in pr...

In this paper, we empirically compare open-loop and closed-loop investment strategies in production capacities in the three-player Finnish electricity indust...

In this paper we study the capacitated team orienteering problem where split deliveries are allowed. A set of potential customers is given, each associated w...

In this paper, we empirically investigate the robustness of random forests for regression problems. We also investigate the performance of five variations o...

In the rail industry, profit maximization relies heavily on the integration of logistics activities with an improved management of revenues. The operational ...

The <i>positive edge</i> is a new pricing rule for the primal simplex: it identifies, with a probability error less than or equal to 2^-30 in sing...

The paper proposes a framework for sensitivity analyses of blackbox constrained optimization problems for which Lagrange multipliers are not available. Two s...

We explore the implications of the farsightedness assumption on the conjectures of players in a coalitional Great Fish War model with symmetric players, deri...

Normalized cut is one of the most popular graph clustering criteria. The main approaches proposed for its resolution are spectral clustering methods (e.g. [1...

In this paper, we generalize the Asymmetric Representatives Formulation, which was first introduced by Campêlo et al. (2008) for the Node Coloring Problem. ...

The tropical dry forest in Androy, southern Madagascar, is threatened with disappearance by many activities. We can see in the literature and government docu...

Although sample size calculations for testing a parameter in the Poisson regression model have been previously done, very little attention has been given to ...

This paper presents the generalized mixed effects regression tree (GMERT) method, an extension of the mixed effects regression tree (MERT) methodology design...

This paper presents a framework where many existing structural credit risk models can be made hybrid by using a transformation of leverage to define the defa...

The population value of coefficients of correlation based on ranks depends only on the copula underlying the true distribution. We consider data sets that sh...

We propose a new approach to construct adaptive multiscale orthonormal (AMO) bases of R^<i>N</i> that provide highly sparse signal representations....

NOMAD is software that implements the MADS algorithm (Mesh Adaptive Direct Search) for black-box optimization under general nonlinear constraints. Black-box ...

Finding modules, or clusters, in networks currently attracts much attention in several domains. The most studied criterion for doing so, due to Newman and Gi...

The paper answers the three distinct questions of maximizing the perimeter, diameter and area of equilateral unit-width convex polygons. The solution to each...

A mixed interior/exterior-point method for nonlinear programming is described, that handles constraints by way of an <i>l</i>₁-penalty function. A...

In this paper we study the situation when a market might be destabilized in the presence of Good Deals. A Good Deal is in general a financial position while ...

Cet article présente l'utilisation qu'il est possible de faire des outils de la viabilité dans le cadre des modèles macroéconomiques de développement durabl...

An automatic method for constructing linear relaxations of constrained global optimization problems is proposed. Such a construction is based on affine and i...

This paper develops a dynamic model to determine a firm's optimal risk management strategy when it faces uncertainty about its future profitability and inves...

Traditionally, IP Network planning and design is mostly based on average delay or loss constraints which can often be easily calculated. Jitter, on the othe...

In this paper we present the implementation of the <i>EEE</i> and <i>E_&#967;MIP</i> algorithms with exact arithmetics in a user friendly applicat...

The vehicle routing problem with time windows VRPTW consists of finding least-cost vehicle routes to service given customers exactly once each while satisfyi...

In view of applications to diagnostic tests of ARMA models, the asymptotic behavior of multivariate empirical and copula processes based on residuals of ARM...

The purpose of this paper is to present and solve a new, important planning problem faced by many shipping companies dealing with the transport of bulk produ...

Large datasets upon which classical statistical analysis cannot be performed because of the curse of dimensionality are more and more common in many research...

The multi-activity assignment problem consists of assigning interruptible activities to given work shifts so as to match as much as possible for each activit...

Exact global optimization of the clusterwise regression problem is challenging and there are currently no published feasible methods for performing this clus...

The integrated crew scheduling (ICS) problem consists of determining, for a set of available crew members, least-cost schedules that cover all flights and re...

In this paper, we introduce the notion of dynamic copulas to model serial dependence as well as interdependence between several time series. The proposed m...

Climate change is one of the greatest challenges facing our planet in the foreseeable future and despite the urgency of the situation global GHG emissions ...

A positive basis is a minimal set of vectors whose nonnegative linear combinations span the entire space R<i>ⁿ</i>. Interest in positive bases wa...

In today optical WDM networks, capacity expansion is performed by the addition of transport blades (e.g., transceivers) at end nodes of optical fibers. It al...

Availability requirements in survivable transport networks depend on the type of costumers using the network and the supported services. Nowadays, a variety ...

Optical transmission allows massive data transfers thanks to its tremendous transport capacity. Sustained efforts have been made to address the physical co...

We consider a multi-layer network design model arising from a real-life telecommunication application where traffic routing decisions imply the installati...

This work introduces a new shared segment protection scheme that ensures both node and link protection in an efficient manner in terms of cost and band...

The focus of this paper is on the design of the so-called Optical Wide Area Networks (OWANs), i.e., optical networks that cover broad areas. Our objective ...

The traffic evolution is notoriously marked by an increasing dynamism that promotes the design of a dynamic optical layer. Despite the contention issue, Opti...

Traditionally, the airline crew scheduling problem has been decomposed into a crew pairing and a crew assignment problem that are solved sequentially. The f...

Dans cet article, on raconte l'histoire de l'équipe GENCOL et du logiciel d'optimisation du même nom. C'est avant tout le récit d'une collaboration qui se po...

We give an explicit description of the basic solutions of max-linear systems <img src="/cgi-bin/mimetex.cgi?A\otimes x\leq B\otimes x"> with two inequalities.

In this paper we establish the definition of the <i>set of &epsilon;-proper equilibria</i> of a bimatrix game. We define a 0-1 mixed quadratic program to ge...

We study the problem of constructing shifted rank-1 lattice rules for the approximation of high-dimensional integrals with a low weighted star discrepancy, f...

Recent advances in coupling novel optimization methods to large-scale computing problems have opened the door to tackling a diverse set of physically realist...

We introduce the OPAL framework in which the identification of good algorithmic parameters is interpreted as a black box optimization problem whose variables...

The main goal of this paper is to bring a contribution in order to facilitate automatic refinement of Bimatrix Game Nash extreme equilibria. We show how maxi...

La confection de calendriers sportifs dans le milieu scolaire québécois est une tâche complexe à laquelle la Fédération Québécoise du Sport Étudiant (FQSE) d...