@article{provabledomaingeneralizationviainvariant,
  title = {Provable Domain Generalization via Invariant-Feature Subspace Recovery},
  author = {Haoxiang Wang and Haozhe Si and Bo Li and Han Zhao},
  year = {2022},
  eprint = {2201.12919},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.12919v2},
}