@article{optimizationfreediffusionmodela, title = {Optimization-Free Diffusion Model -- A Perturbation Theory Approach}, author = {Yuehaw Khoo and Mathias Oster and Yifan Peng}, year = {2025}, eprint = {2505.23652}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2505.23652v2}, }