ShiQ: Bringing back Bellman to LLMs - Clavier, Pierre; Grinsztajn, Nathan; Avalos, Raphaël; Flet-Berliac, Yannis; Ergun, Irem; Darwiche Domingues, Omar; Pietquin, Olivier; Richemond, Pierre; Strub, Florian; Geist, Matthieu (Advances in Neural Information Processing Systems, 2025)