@article{graphpographbasedpolicyoptimizationforre,
  title = {GraphPO: Graph-based Policy Optimization for Reasoning Models},
  author = {Yuliang Zhan and Xinyu Tang and Jian Li and Dandan Zheng and Weilong Chai and Jingdong Chen and Jun Zhou and Ge Wu and Wenyue Tang and Hao Sun},
  year = {2026},
  eprint = {2606.18954},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.18954},
}