@article{improvedpathlengthregretboundsfor,
  title = {Improved Path-length Regret Bounds for Bandits},
  author = {Sébastien Bubeck and Yuanzhi Li and Haipeng Luo and Chen-Yu Wei},
  year = {2019},
  eprint = {1901.10604},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1901.10604v2},
}