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Jia-Yan Fu

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#artificial intelligence Preprint Sep 2026

ROSS: Relearning from Self-Generated Rollouts through Selective Supervision

Large language model post-training generates self-generated rollouts through reinforcement learning and on-policy distillation, yet this experience is often treated as stale once the policy advances. Historical rollouts can remain compatible with a later policy while preserving behaviors that the policy no longer expre...

Zhi-Wei Zhang, Hua-Yu Deng, Fei Zhao et al. · 0 citations
#artificial intelligence Preprint Sep 2026

PACT: From Credit Assignment to Critic Alignment

Policy Aligned Critic Training (PACT), which adopts an Actor-then-Critic update order to apply importance sampling correction to critic training and better align the critic with the updated policy, is developed.

Jia-Yan Fu, Hang Xu, Yong Zhang et al. · 0 citations

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