When are Overcomplete Topic Models Identifiable? Uniqueness of Tensor Tucker Decompositions with Structured Sparsity. Anandkumar, A., Hsu, D., Janzamin, M., & Kakade, S. CoRR, 2013.
When are Overcomplete Topic Models Identifiable? Uniqueness of Tensor Tucker Decompositions with Structured Sparsity [link]Paper  bibtex   
@article{ dblp2235142,
  title = {When are Overcomplete Topic Models Identifiable? Uniqueness of Tensor Tucker Decompositions with Structured Sparsity},
  author = {Animashree Anandkumar and Daniel Hsu and Majid Janzamin and Sham Kakade},
  author_short = {Anandkumar, A. and Hsu, D. and Janzamin, M. and Kakade, S.},
  bibtype = {article},
  type = {article},
  year = {2013},
  key = {dblp2235142},
  id = {dblp2235142},
  biburl = {http://www.dblp.org/rec/bibtex/journals/corr/AnandkumarHJK13},
  url = {http://arxiv.org/abs/1308.2853},
  journal = {CoRR},
  volume = {abs/1308.2853},
  text = {CoRR abs/1308.2853 (2013)}
}

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