@article{thepolicycliffatheoreticalanalysisofrewa,
  title = {The Policy Cliff: A Theoretical Analysis of Reward-Policy Maps in Large Language Models},
  author = {Xingcheng Xu},
  year = {2025},
  eprint = {2507.20150},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2507.20150},
}