@misc{wu2025mitigating,
  title={Mitigating Forgetting in LLM Fine-Tuning via Low-Perplexity Token Learning},
  author={Chao-Chung Wu and Zhi Rui Tam and Chieh-Yen Lin and Yun-Nung Chen and Shao-Hua Sun and Hung-yi Lee},
  year={2025},
  eprint={2501.14315},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2501.14315}
}