@article{robusttooluseviafissiongrpolearningtorec,
  title = {Robust Tool Use via Fission-GRPO: Learning to Recover from Execution Errors},
  author = {Zhiwei Zhang and Fei Zhao and Rui Wang and Zezhong Wang and Bin Liang and Jiakang Wang and Yao Hu and Shaosheng Cao and Kam-Fai Wong},
  year = {2026},
  eprint = {2601.15625},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.15625},
}