Adm, Mohammad; Al Muhtaseb, Khawla; Ghani, Ayed Abedel; Garloff, Jürgen Relaxing the nonsingularity assumption for intervals of totally nonnegative matrices. (English) Zbl 1440.15027 Electron. J. Linear Algebra 36, 106-123 (2020). MSC: 15B48 PDFBibTeX XMLCite \textit{M. Adm} et al., Electron. J. Linear Algebra 36, 106--123 (2020; Zbl 1440.15027) Full Text: Link
Adm, Mohammad; Garloff, Jürgen Improved tests and characterizations of totally nonnegative matrices. (English) Zbl 1327.15065 Electron. J. Linear Algebra 27, 588-610 (2014). MSC: 15B48 PDFBibTeX XMLCite \textit{M. Adm} and \textit{J. Garloff}, Electron. J. Linear Algebra 27, 588--610 (2014; Zbl 1327.15065) Full Text: DOI