@article{bicolorcommunicationefficientoptimizatio,
  title = {BiCoLoR: Communication-Efficient Optimization with Bidirectional Compression and Local Training},
  author = {Laurent Condat and Artavazd Maranjyan and Peter Richtárik},
  year = {2026},
  eprint = {2601.12400},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.12400},
}