Tight Regret Bounds for Infinite-armed Linear Contextual Bandits

@misc{chen2021tightregretbounds,
      title={Tight Regret Bounds for Infinite-armed Linear Contextual Bandits}, 
      author={Xi Chen and Yuan Zhou and Yining Wang and Yingkai Li},
      year={2021},
      eprint={1905.01435},
      archivePrefix={arXiv},
      primaryClass={stat.ML},
      url={https://arxiv.org/abs/1905.01435}, 
}