@article{errorfeedbackshineswhenfeaturesarerare,
  title = {Error Feedback Shines when Features are Rare},
  author = {Peter Richtárik and Elnur Gasanov and Konstantin Burlachenko},
  year = {2023},
  eprint = {2305.15264},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.15264v1},
}