Fawzi, Hamza; Gouveia, João; Robinson, Richard Z. Rational and real positive semidefinite rank can be different. (English) Zbl 1408.15016 Oper. Res. Lett. 44, No. 1, 59-60 (2016). MSC: 15B48 PDF BibTeX XML Cite \textit{H. Fawzi} et al., Oper. Res. Lett. 44, No. 1, 59--60 (2016; Zbl 1408.15016) Full Text: DOI
Fawzi, Hamza; Gouveia, João; Parrilo, Pablo A.; Robinson, Richard Z.; Thomas, Rekha R. Positive semidefinite rank. (English) Zbl 1327.90174 Math. Program. 153, No. 1 (B), 133-177 (2015). MSC: 90C22 15A23 68Q17 PDF BibTeX XML Cite \textit{H. Fawzi} et al., Math. Program. 153, No. 1 (B), 133--177 (2015; Zbl 1327.90174) Full Text: DOI arXiv