@article{stopsummationminformcreditassignmentis,
  title = {Stop Summation: Min-Form Credit Assignment Is All Process Reward Model Needs for Reasoning},
  author = {Jie Cheng and Ruixi Qiao and Lijun Li and Chao Guo and Junle Wang and Gang Xiong and Yisheng Lv and Fei-Yue Wang},
  year = {2025},
  eprint = {2504.15275},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2504.15275v1},
}