@article{posttrainingquantizationfordiffusion,
  title = {Post-Training Quantization for Diffusion Transformer via Hierarchical Timestep Grouping},
  author = {Ning Ding and Jing Han and Yuchuan Tian and Chao Xu and Kai Han and Yehui Tang},
  year = {2025},
  eprint = {2503.06930},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2503.06930v2},
}