@article{tacklingthenoniidissueinheterogeneous,
  title = {Tackling the Non-IID Issue in Heterogeneous Federated Learning by Gradient Harmonization},
  author = {Xinyu Zhang and Weiyu Sun and Ying Chen},
  year = {2023},
  eprint = {2309.06692},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2309.06692v2},
}