Nikolaos Vasiloglou, Alexander G. Gray, David V. Anderson. Non-negative Matrix Factorization, Convexity and Isometry. In Proceedings of the SIAM International Conference on Data Mining, SDM 2009, April 30 - May 2, 2009, Sparks, Nevada, USA. pages 673-684, SIAM, 2009. [doi]
Abstract is missing.