@article{serposelfevolvingrubricpolicyoptimizatio,
  title = {SERPO: Self-Evolving Rubric Policy Optimization for Open-Ended Test-Time Reinforcement Learning},
  author = {Jianze Wang and Kunwang Zheng and Ying Liu and Yu Cao and Qilong Zhang and Jinlong Chen and Hua Yang and Qianglong Chen},
  year = {2026},
  eprint = {2607.26873},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2607.26873},
}