Mixture of Parrots: Experts improve memorization more than reasoning - Jelassi, Samy; Mohri, Clara; Brandfonbrener, David; Gu, Alex; Vyas, Nikhil; Anand, Nikhil; Alvarez-Melis, David; Li, Yuanzhi; Kakade, Sham; Malach, Eran (International Conference on Learning Representations, 2025)