@article{asimpleapproachtosparseclustering,
  title = {A Simple Approach to Sparse Clustering},
  author = {Ery Arias-Castro and Xiao Pu},
  year = {2016},
  eprint = {1602.07277},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1602.07277v2},
}