Large Concept Models: Language Modeling in a Sentence Representation Space. - LCM team; Loïc Barrault; Paul-Ambroise Duquenne; Maha Elbayad; Artyom Kozhevnikov; Belen Alastruey; Pierre Andrews; Mariano Coria; Guillaume Couairon; Marta R. Costa-jussà; David Dale; Hady Elsahar; et al. (CoRR, 2024)