@article{JMLR:v25:21-0316,
  author  = {T. Tony Cai and Hongji Wei},
  title   = {Distributed Gaussian Mean Estimation under Communication Constraints: Optimal Rates and Communication-Efficient Algorithms},
  journal = {Journal of Machine Learning Research},
  year    = {2024},
  volume  = {25},
  number  = {37},
  pages   = {1--63},
  url     = {http://jmlr.org/papers/v25/21-0316.html}
}