Author

Ke-Hua Sheng

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#artificial intelligence Preprint Sep 2026

Beyond Token-Local Imitation: Reward-Compatible Temporal Credit Assignment for On-Policy Distillation

A unified temporal-credit view of token-level OPD and sequence-level OPD is established, showing that practical token-level OPD can be interpreted as a temporal approximation to the sequence-level reverse-KL gradient.

Shi-Qi Liu, Ze-Yu He, Le-Tian Tao et al. · 3 citations