@article{heythatsnotanodefasterodeadjoints,
  title = {"Hey, that's not an ODE": Faster ODE Adjoints via Seminorms},
  author = {Patrick Kidger and Ricky T. Q. Chen and Terry Lyons},
  year = {2020},
  eprint = {2009.09457},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.09457v2},
}