@article{sparksynergisticpolicyandrewardcoevolvin,
  title = {SPARK: Synergistic Policy And Reward Co-Evolving Framework},
  author = {Ziyu Liu and Yuhang Zang and Shengyuan Ding and Yuhang Cao and Xiaoyi Dong and Haodong Duan and Dahua Lin and Jiaqi Wang},
  year = {2025},
  eprint = {2509.22624},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.22624},
}