@article{twolossesarebetterthanonefaster,
  title = {Two Losses Are Better Than One: Faster Optimization Using a Cheaper Proxy},
  author = {Blake Woodworth and Konstantin Mishchenko and Francis Bach},
  year = {2023},
  eprint = {2302.03542},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2302.03542v3},
}