@article{improvedregretanalysisforvariance,
  title = {Improved Regret Analysis for Variance-Adaptive Linear Bandits and Horizon-Free Linear Mixture MDPs},
  author = {Yeoneung Kim and Insoon Yang and Kwang-Sung Jun},
  year = {2021},
  eprint = {2111.03289},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.03289v4},
}