@article{estimatingtheoptimalcovariancewith,
  title = {Estimating the Optimal Covariance with Imperfect Mean in Diffusion Probabilistic Models},
  author = {Fan Bao and Chongxuan Li and Jiacheng Sun and Jun Zhu and Bo Zhang},
  year = {2022},
  eprint = {2206.07309},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2206.07309v1},
}