@article{varianceminimizationinthewasserstein,
  title = {Variance Minimization in the Wasserstein Space for Invariant Causal Prediction},
  author = {Guillaume Martinet and Alexander Strzalkowski and Barbara E. Engelhardt},
  year = {2021},
  eprint = {2110.07064},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.07064v2},
}