@article{JMLR:v24:21-0224,
  author  = {Shuxiao Chen and Qinqing Zheng and Qi Long and Weijie J. Su},
  title   = {Minimax Estimation for Personalized Federated Learning: An Alternative between FedAvg and Local Training?},
  journal = {Journal of Machine Learning Research},
  year    = {2023},
  volume  = {24},
  number  = {262},
  pages   = {1--59},
  url     = {http://jmlr.org/papers/v24/21-0224.html}
}