@article{whenlonghelpsshorthowcontextlengthinsupe,
  title = {When Long Helps Short: How Context Length in Supervised Fine-tuning Affects Behavior of Large Language Models},
  author = {Yingming Zheng and Hanqi Li and Kai Yu and Lu Chen},
  year = {2025},
  eprint = {2509.18762},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2509.18762},
}