@article{JMLR:v26:24-0668,
  author  = {Yipeng Li and Xinchen Lyu},
  title   = {Sharp Bounds for Sequential Federated Learning on Heterogeneous Data},
  journal = {Journal of Machine Learning Research},
  year    = {2025},
  volume  = {26},
  number  = {70},
  pages   = {1--55},
  url     = {http://jmlr.org/papers/v26/24-0668.html}
}