@article{grappagradientonlycommunicationforscalab,
  title = {Grappa: Gradient-Only Communication for Scalable Graph Neural Network Training},
  author = {Chongyang Xu and Christoph Siebenbrunner and Laurent Bindschaedler},
  year = {2026},
  eprint = {2602.01872},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.01872},
}