@article{towardsatheoreticalanalysisofpcafor,
  title = {Towards a Theoretical Analysis of PCA for Heteroscedastic Data},
  author = {David Hong and Laura Balzano and Jeffrey A. Fessler},
  year = {2016},
  eprint = {1610.03595},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1610.03595v1},
}