@article{homotopyparametricsimplexmethodforsparse,
  title = {Homotopy Parametric Simplex Method for Sparse Learning},
  author = {Haotian Pang and Robert Vanderbei and Han Liu and Tuo Zhao},
  year = {2017},
  eprint = {1704.01079},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1704.01079v2},
}