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

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G-2025-26 An integrated location-inventory-transportation problem under demand uncertainty

Aura Maria Jalal Osorio, Yossiri Adulyasak, Raf Jans, Reinaldo Morabito et Eli Angela Vitor Toso

Motivated by a real-world application at a large international pharmaceutical company, we tackle an integrated location-inventory-transportation problem unde...

G-2025-25 Improving nurse scheduling using a random forest algorithm to predict employee well-being

Sara Séguin, Yoan Villeneuve, Julien Maître et Renaud Grimard

This paper introduces a new approach to nurse scheduling that integrates employee well-being into the decision-making process. A random forest regressor is t...

G-2025-24 Accelerated windowing for the crew rostering problem with machine learning

Philippe Racette, Frédéric Quesnel, Andrea Lodi et François Soumis

The crew rostering problem (CRP) for pilots is a complex crew scheduling task assigning pairings, or sequences of flights starting and ending at the same air...

G-2023-18 A multi-precision quadratic regularization method for unconstrained optimization with rounding error analysis

Dominique Monnet et Dominique Orban

We propose a multi-precision extension of the Quadratic Regularization (R2) algorithm that enables it to take advantage of low-precision computations, and by...

G-2025-23 A stochastic optimisation model for the water pump scheduling problem with demand response in large and high altitude water supply systems

Denise Cariaga, Miguel F. Anjos et Álvaro Lorca

The water pump scheduling problem is an optimisation model that determines which water pumps will be turned on or off at each time period over a given time h...