@article{polynomialexpansionrankadaptationenhanci,
  title = {Polynomial Expansion Rank Adaptation: Enhancing Low-Rank Fine-Tuning with High-Order Interactions},
  author = {Wenhao Zhang and Lin Mu and Li Ni and Peiquan Jin and Yiwen Zhang},
  year = {2026},
  eprint = {2604.11841},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.11841},
}