@article{openproblembestarmidentificationalmost,
  title = {Open Problem: Best Arm Identification: Almost Instance-Wise Optimality and the Gap Entropy Conjecture},
  author = {Lijie Chen and Jian Li},
  year = {2016},
  eprint = {1605.08481},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1605.08481v1},
}