@article{onthedefinitenessofearthmoversdistance,
  title = {On the Definiteness of Earth Mover's Distance and Its Relation to Set Intersection},
  author = {Andrew Gardner and Christian A. Duncan and Jinko Kanno and Rastko R. Selmic},
  year = {2015},
  eprint = {1510.02833},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1510.02833v3},
}