@article{lineardpolineardirectpreferenceoptimizat,
  title = {Linear-DPO: Linear Direct Preference Optimization for Diffusion and Flow-Matching Generative Models},
  author = {Kesong Li and Yixuan Xu and Kuo-kun Tseng and Weiyi Lu and Kan Liu and Tao Lan},
  year = {2026},
  eprint = {2605.21123},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.21123},
}