@inproceedings{ICML:2020:Wan,<br>
  author = {Yuanyu Wan and Wei-Wei Tu and Lijun Zhang},<br>
  title = {Projection-free Distributed Online Convex Optimization with $O(\sqrt{T})$ Communication Complexity},<br>
  booktitle = {Proceedings of the 37th International Conference on Machine Learning (ICML)},<br>
  pages =  {9818--9828},<br>
  year =  {2020},<br>
}