Kubjas, Kaie; Robeva, Elina; Robinson, Richard Z. Positive semidefinite rank and nested spectrahedra. (English) Zbl 1395.14041 Linear Multilinear Algebra 66, No. 10, 1952-1974 (2018). MSC: 14P10 15B48 15A23 PDF BibTeX XML Cite \textit{K. Kubjas} et al., Linear Multilinear Algebra 66, No. 10, 1952--1974 (2018; Zbl 1395.14041) Full Text: DOI arXiv
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
Gouveia, João; Robinson, Richard Z.; Thomas, Rekha R. Worst-case results for positive semidefinite rank. (English) Zbl 1344.90046 Math. Program. 153, No. 1 (B), 201-212 (2015). Reviewer: Didier Henrion (Toulouse) MSC: 90C22 52B11 15A23 PDF BibTeX XML Cite \textit{J. Gouveia} et al., Math. Program. 153, No. 1 (B), 201--212 (2015; Zbl 1344.90046) Full Text: DOI arXiv
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
Gouveia, João; Grappe, Roland; Kaibel, Volker; Pashkovich, Kanstantsin; Robinson, Richard Z.; Thomas, Rekha R. Which nonnegative matrices are slack matrices? (English) Zbl 1283.15103 Linear Algebra Appl. 439, No. 10, 2921-2933 (2013). MSC: 15B48 52B11 65F30 PDF BibTeX XML Cite \textit{J. Gouveia} et al., Linear Algebra Appl. 439, No. 10, 2921--2933 (2013; Zbl 1283.15103) Full Text: DOI arXiv