@article{anonlognalgorithmforprojectingontothe,
  title = {An $O(n\log(n))$ Algorithm for Projecting Onto the Ordered Weighted $\ell_1$ Norm Ball},
  author = {Damek Davis},
  year = {2015},
  eprint = {1505.00870},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1505.00870v3},
}