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Collection de rapports techniques et de documents de travail, témoins de la vigueur et de la productivité de notre groupe.

Publications scientifiques

Répertoire de toutes les catégories de publications scientifiques de nos membres au fil des ans.

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G-2024-36 Branch-and-Price

Jacques Desrosiers, Marco Lübbecke, Guy Desaulniers et Jean Bertrand Gauthier

Integer (linear) programs are a standard way of formalizing a vast array of optimization problems in industry, services, management, science, and technology....

G-2026-21 Approximate perfect equilibria in finitely repeated Prisoner's Dilemma with asymmetric players

Elena Parilina, Alena Pisareva et Georges Zaccour

Dans cet article, nous étudions un dilemme du prisonnier répété un nombre fini de fois, où les joueurs présentent une asymétrie tant dans leur propension à d...

G-2026-20 Optimal geospatial wind farm and turbine placement

Yu-Hsin Wu, Philippe Maisonneuve et Antoine Lesage-Landry

Wind power generation represents one of the main resources of modern renewable power systems. Its deployment is governed by numerous factors, e.g., weather p...

G-2026-19 An efficient scaled spectral preconditioner for sequences of symmetric positive definite linear systems

Youssef Diouane, Selime Gürol, Oussama Mouhtal et Dominique Orban

We study the solution of large symmetric positive-definite linear systems in a matrix-free setting with a limited iteration budget. We focus on the precondi...

G-2026-18 \(K\)-means with controlled center updates: Rethinking the centroid update rule

Hugues Midingoyi, Daniel Aloise, Jack Brimberg et Zvi Drezner

The \(k\)-means algorithm is one of the most widely used methods for solving the minimum sum-of-squares clustering (MSSC) problem, but it is well known to ...

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The routing-and-driving problem for plug-in hybrid electric vehicles

Fuliang Wu, Yossiri Adulyasak et Jean-François Cordeau

The routing-and-driving problem for plug-in hybrid electric vehicles (PHEVs) is an extension of the vehicle routing problem with time windows, where routing ...