@article{causalinferencewithcategoricalunobserved,
  title = {Causal Inference with Categorical Unobserved Confounder via Mixture Learning},
  author = {Aytijhya Saha and Stephen Bates and Devavrat Shah},
  year = {2026},
  eprint = {2605.19006},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.19006},
}