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arXiv · Machine Learning Theory· Zhicheng Cai, Weinan Dai, Yuyan Zhou, Wei-Ying Ma, Ya-Qin Zhang, Hao Zhou·· 4 hr agoAI score39

TAPO:面向长程 LLM RL 的轨迹感知策略优化

Trajectory-Aware Policy Optimization: Closing the State Distribution Gap in Long-Horizon LLM RL

AI brief

研究者提出 Trajectory-Aware Policy Optimization(TAPO),通过从 off-policy policy gradient 推导状态分布校正并融入 RL 目标,弥补长程自回归 rollout 中的状态分布偏移。

Source: arXiv · Machine Learning Theory · arxiv.org