@article{theoptimalapproximationfactorsin,
  title = {The Optimal Approximation Factors in Misspecified Off-Policy Value Function Estimation},
  author = {Philip Amortila and Nan Jiang and Csaba Szepesvári},
  year = {2023},
  eprint = {2307.13332},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2307.13332v2},
}