@article{s2ftparameterefficientfinetuninginsparse,
  title = {S2FT: Parameter-Efficient Fine-Tuning in Sparse Spectrum Domain},
  author = {Baoquan Zhang and Zhehao Yu and Lisai Zhang and Kenghong Lin and Tianran Chen and Yuxi Sun and Yunming Ye and Yao He},
  year = {2026},
  eprint = {2605.08589},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.08589},
}