@article{fasterfederatedoptimizationundersecond,
  title = {Faster federated optimization under second-order similarity},
  author = {Ahmed Khaled and Chi Jin},
  year = {2022},
  eprint = {2209.02257},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2209.02257v2},
}