@article{localidentifiabilityofl1minimization,
  title = {Local identifiability of $l_1$-minimization dictionary learning: a sufficient and almost necessary condition},
  author = {Siqi Wu and Bin Yu},
  year = {2015},
  eprint = {1505.04363},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1505.04363v2},
}