@inproceedings{towardsatheoreticalframeworkofoutof,
  title = {Towards a Theoretical Framework of Out-of-Distribution Generalization},
  author = {Haotian Ye and Chuanlong Xie and Tianle Cai and Ruichen Li and Zhenguo Li and LiWei Wang},
  year = {2021},
  booktitle = {NeurIPS 2021 12},
  eprint = {2106.04496},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2106.04496v3},
}