@article{basisbatchwiseadvantageestimationfromsin,
  title = {BASIS: Batchwise Advantage Estimation from Single-Rollout Information Sharing for LLM Reasoning},
  author = {Shijin Gong and Erhan Xu and Kai Ye and Francesco Quinzan and Giulia Livieri and Chengchun Shi},
  year = {2026},
  eprint = {2605.27293},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.27293},
}