@article{contextualbanditsandoptimistically,
  title = {Contextual Bandits and Optimistically Universal Learning},
  author = {Moise Blanchard and Steve Hanneke and Patrick Jaillet},
  year = {2022},
  eprint = {2301.00241},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.00241v1},
}