@article{JMLR:2022:Wan,<br>
author={Yuanyu Wan and Guanghui Wang and Wei-Wei Tu and Lijun Zhang},<br>
journal={Journal of Machine Learning Research (JMLR)},<br>
title={Projection-free Distributed Online Learning with Sublinear Communication Complexity},<br>
year={2022},<br>
volume={23},<br>
number={172},<br>
pages={1--53},<br>
}