@article{sparseprojectionsontothesimplex,
  title = {Sparse projections onto the simplex},
  author = {Anastasios Kyrillidis and Stephen Becker and Volkan Cevher and and Christoph Koch},
  year = {2012},
  eprint = {1206.1529},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1206.1529v5},
}