@inproceedings{NEURIPS2021_d79c6256, author = {Safaryan, Mher and Hanzely, Filip and Richtarik, Peter}, booktitle = {Advances in Neural Information Processing Systems}, editor = {M. Ranzato and A. Beygelzimer and Y. Dauphin and P.S. Liang and J. Wortman Vaughan}, pages = {25688--25702}, publisher = {Curran Associates, Inc.}, title = {Smoothness Matrices Beat Smoothness Constants: Better Communication Compression Techniques for Distributed Optimization}, url = {https://proceedings.neurips.cc/paper_files/paper/2021/file/d79c6256b9bdac53a55801a066b70da3-Paper.pdf}, volume = {34}, year = {2021} }