Author

Xinyu Lu

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#artificial intelligence Mar 2026

P^2O: Joint Policy and Prompt Optimization

Joint Policy and Prompt Optimization (P O) is introduced to mitigate advantage collapse by alternating continuous policy updates with discrete prompt evolution, providing a self-reinforcing framework that facilitates more effective LLM alignment.

Xinyu Lu, Kaiqi Zhang, Jing-Li Yang et al. · arXiv.org · 2 citations