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G-2025-22 Unboundedness in bilevel optimization

Barbara Rodrigues, Margarida Carvalho, Miguel F. Anjos et Nagisa Sugishita

Bilevel optimization has garnered growing interest over the past decade. However, little attention has been paid to detecting and dealing with unboundedness...

G-2025-21 Bundling or discounting? Field experiments for healthy and unhealthy food

Nymisha Bandi, Maxime Cohen et Saibal Ray

Retailers routinely face the strategic decision of how to promote their products. Two of the most common promotion strategies are bundling and discounting. D...

G-2025-11 A service-integrated hub-line location problem with demand elasticity and its application to the design of urban mobility hubs

Brenda Cobeña et Claudio Contardo

This paper considers the problem of designing urban mobility hubs by modeling them as service-integrated hub-line location problems. We integrate traditional...

G-2025-10 Decomposition strategies for solving the spring sweeping routing problem

Amina Lamghari, Omar Foutlane et Jean-François Audy

This paper addresses the problem of efficiently routing vehicles for spring sweeping operations in countries that spread sand and gravel on roads in winter. ...

G-2025-09 Partial information and mean field games: The case of linear quadratic stochastic aggregative games with discrete observations

Farid Rajabali, Roland P. Malhamé et Sadegh Bolouki

Mean Field Game equilibria are based on the assumption of instantaneous interactions within a population of interchangeable agents, where each agent's impact...