@article{learningtocollaborate,
  title = {Collaboration Equilibrium in Federated Learning},
  author = {Sen Cui and Jian Liang and Weishen Pan and Kun Chen and ChangShui Zhang and Fei Wang},
  year = {2021},
  eprint = {2108.07926},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.07926v3},
}