@article{sharpnessguidedgrouprelativepolicyoptimi,
  title = {Sharpness-Guided Group Relative Policy Optimization via Probability Shaping},
  author = {Tue Le and Linh Ngo Van and Trung Le},
  year = {2025},
  eprint = {2511.00066},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2511.00066},
}