@article{towardsoptimalconvergenceratein,
  title = {Optimal Complexity in Decentralized Training},
  author = {Yucheng Lu and Christopher De Sa},
  year = {2020},
  eprint = {2006.08085},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.08085v4},
}