Neumaier, Arnold Ensembles and experiments in classical and quantum physics. (English) Zbl 1073.81006 Int. J. Mod. Phys. B 17, No. 16, 2937-2980 (2003). MSC: 81P05 82B10 PDFBibTeX XMLCite \textit{A. Neumaier}, Int. J. Mod. Phys. B 17, No. 16, 2937--2980 (2003; Zbl 1073.81006) Full Text: DOI arXiv
Arbenz, Peter; Drmac, Zlatko On positive semidefinite matrices with known null space. (English) Zbl 1032.65025 SIAM J. Matrix Anal. Appl. 24, No. 1, 132-149 (2002). Reviewer: M.Thamban Nair (Chennai) MSC: 65F05 65F15 PDFBibTeX XMLCite \textit{P. Arbenz} and \textit{Z. Drmac}, SIAM J. Matrix Anal. Appl. 24, No. 1, 132--149 (2002; Zbl 1032.65025) Full Text: DOI