@inproceedings{xue2026beyond,
  title     = {Beyond the Lower Bound: Bridging Regret Minimization and Best Arm Identification in Lexicographic Bandits},
  author    = {Xue, Bo and Wan, Yuanyu and Lu, Zhichao and Zhang, Qingfu},
  booktitle = {Proceedings of the 40th AAAI Conference on Artificial Intelligence},
  pages     = {27414 -- 27422},
  year      = {2026}
}