@article{onlipschitzcontinuityandsmoothnessof,
  title = {On Lipschitz Continuity and Smoothness of Loss Functions in Learning to Rank},
  author = {Ambuj Tewari and Sougata Chaudhuri},
  year = {2014},
  eprint = {1405.0586},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1405.0586v3},
}