@article{linearspeedupinpersonalizedcollaborative,
  title = {Linear Speedup in Personalized Collaborative Learning},
  author = {El Mahdi Chayti and Sai Praneeth Karimireddy and Sebastian U. Stich and Nicolas Flammarion and Martin Jaggi},
  year = {2021},
  eprint = {2111.05968},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2111.05968v4},
}