Tapered Off-Policy REINFORCE - Stable and efficient reinforcement learning for large language models - Le Roux, Nicolas; Bellemare, Marc; Lebensold, Jonathan; Bergeron, Arnaud; Greaves, Joshua; Fréchette, Alexandre; Pelletier, Carolyne; Thibodeau-Laufer, Eric; Tóth, Sándor; Work, Sam (Advances in Neural Information Processing Systems, 2025)