@article{leveragingsparsityforsampleefficient,
  title = {Leveraging Sparsity for Sample-Efficient Preference Learning: A Theoretical Perspective},
  author = {Yunzhen Yao and Lie He and Michael Gastpar},
  year = {2025},
  eprint = {2501.18282},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2501.18282v2},
}