@article{p2ojointpolicyandpromptoptimization,
  title = {P^2O: Joint Policy and Prompt Optimization},
  author = {Xinyu Lu and Kaiqi Zhang and Jinglin Yang and Boxi Cao and Yaojie Lu and Hongyu Lin and Min He and Xianpei Han and Le Sun},
  year = {2026},
  eprint = {2603.21877},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.21877},
}