Greene, Jeremy M. Noncommutative plurisubharmonic polynomials. II: Local assumptions. (English) Zbl 1277.47010 J. Math. Anal. Appl. 396, No. 2, 481-496 (2012). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A13 47A56 PDFBibTeX XMLCite \textit{J. M. Greene}, J. Math. Anal. Appl. 396, No. 2, 481--496 (2012; Zbl 1277.47010) Full Text: DOI arXiv
Dym, Harry; Greene, Jeremy M.; Helton, J. William; McCullough, Scott A. Classification of all noncommutative polynomials whose Hessian has negative signature one and a noncommutative second fundamental form. (English) Zbl 1206.47007 J. Anal. Math. 108, 19-59 (2009). Reviewer: Cătălin Badea (Villeneuve d’Ascq) MSC: 47A13 26C05 47H60 15A18 14P99 16S38 PDFBibTeX XMLCite \textit{H. Dym} et al., J. Anal. Math. 108, 19--59 (2009; Zbl 1206.47007) Full Text: DOI arXiv