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Shitov, Yaroslav The nonnegative rank of a matrix: hard problems, easy solutions. (English) Zbl 1377.15003 SIAM Rev. 59, No. 4, 794-800 (2017). MSC: 15A03 15A23 68Q17 PDF BibTeX XML Cite \textit{Y. Shitov}, SIAM Rev. 59, No. 4, 794--800 (2017; Zbl 1377.15003) Full Text: DOI arXiv
Shitov, Yaroslav The complexity of positive semidefinite matrix factorization. (English) Zbl 1370.15013 SIAM J. Optim. 27, No. 3, 1898-1909 (2017). MSC: 15A23 90C22 90C60 68Q17 PDF BibTeX XML Cite \textit{Y. Shitov}, SIAM J. Optim. 27, No. 3, 1898--1909 (2017; Zbl 1370.15013) Full Text: DOI arXiv
Vandaele, Arnaud; Gillis, Nicolas; Glineur, François; Tuyttens, Daniel Heuristics for exact nonnegative matrix factorization. (English) Zbl 1341.65057 J. Glob. Optim. 65, No. 2, 369-400 (2016). MSC: 65Y05 15A23 90C27 90C59 15B48 PDF BibTeX XML Cite \textit{A. Vandaele} et al., J. Glob. Optim. 65, No. 2, 369--400 (2016; Zbl 1341.65057) Full Text: DOI arXiv