@article{towardsunderstandingvariantsofinvariant,
  title = {Towards Understanding Variants of Invariant Risk Minimization through the Lens of Calibration},
  author = {Kotaro Yoshida and Hiroki Naganuma},
  year = {2024},
  eprint = {2401.17541},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2401.17541v4},
}