@inproceedings{recyclingmodelupdatesinfederatedlearning,
  title = {Recycling Model Updates in Federated Learning: Are Gradient Subspaces Low-Rank?},
  author = {Sheikh Shams Azam and Seyyedali Hosseinalipour and Qiang Qiu and Christopher Brinton},
  year = {2022},
  booktitle = {ICLR 2022 4},
  eprint = {2202.00280},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2202.00280v1},
}