@article{savethegoodprefixpreciseerrorpenalizatio,
  title = {Save the Good Prefix: Precise Error Penalization via Process-Supervised RL to Enhance LLM Reasoning},
  author = {Haolin Liu and Dian Yu and Sidi Lu and Yujun Zhou and Rui Liu and Zhenwen Liang and Haitao Mi and Chen-Yu Wei and Dong Yu},
  year = {2026},
  eprint = {2601.18984},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.18984},
}