@article{alternatingmaximizationunifyingframework,
  title = {Alternating Maximization: Unifying Framework for 8 Sparse PCA Formulations and Efficient Parallel Codes},
  author = {Peter Richtárik and Majid Jahani and Selin Damla Ahipaşaoğlu and Martin Takáč},
  year = {2012},
  eprint = {1212.4137},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1212.4137v2},
}