@article{faithfulvariablescreeningforhigh,
  title = {Faithful Variable Screening for High-Dimensional Convex Regression},
  author = {Min Xu and Minhua Chen and John Lafferty},
  year = {2014},
  eprint = {1411.1805},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1411.1805v2},
}