@article{towardslearningsparselyuseddictionaries,
  title = {Towards Learning Sparsely Used Dictionaries with Arbitrary Supports},
  author = {Pranjal Awasthi and Aravindan Vijayaraghavan},
  year = {2018},
  eprint = {1804.08603},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1804.08603v2},
}