@article{learningtocontrolinmetricspacewith,
  title = {Learning to Control in Metric Space with Optimal Regret},
  author = {Lin F. Yang and Chengzhuo Ni and Mengdi Wang},
  year = {2019},
  eprint = {1905.01576},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1905.01576v1},
}