@article{whendoestrajectorylevelsupervisionpermit,
  title = {When Does Trajectory-Level Supervision Permit Efficient Offline Reinforcement Learning?},
  author = {Xuanfei Ren and Tengyang Xie},
  year = {2026},
  eprint = {2606.18531},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.18531},
}