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20232026
most citedZeroth-Order Policy Gradient for Reinforcement Learning from Human Feedback without Reward Inference

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cs.LG2025

Sign-SZPO: Provable Preference-based Reinforcement Learning with an Unknown Link Function

Qining Zhang, Lei Ying

The link function, which characterizes the relationship between the preference for two trajectories and their returns, is a crucial component in designing RL algorithms that learn…