@article{sobolevaccelerationandstatistical,
  title = {Sobolev Acceleration and Statistical Optimality for Learning Elliptic Equations via Gradient Descent},
  author = {Yiping Lu and Jose Blanchet and Lexing Ying},
  year = {2022},
  eprint = {2205.07331},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2205.07331v3},
}