@article{communicationefficientfederatedbilevel,
  title = {Communication-Efficient Federated Bilevel Optimization with Local and Global Lower Level Problems},
  author = {Junyi Li and Feihu Huang and Heng Huang},
  year = {2023},
  eprint = {2302.06701},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2302.06701v2},
}