@article{approximationalgorithmsforsparseprincipa,
  title = {Approximation Algorithms for Sparse Principal Component Analysis},
  author = {Agniva Chowdhury and Petros Drineas and David P. Woodruff and Samson Zhou},
  year = {2020},
  eprint = {2006.12748},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.12748v2},
}