@article{linearconvergenceofsdcainstatistical,
  title = {Linear convergence of SDCA in statistical estimation},
  author = {Chao Qu and Huan Xu},
  year = {2017},
  eprint = {1701.07808},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1701.07808v4},
}