Hardy, Yorick; Steeb, Willi-Hans; Kemp, Garreth Matrices and their (un)faithful Fermi-quadratic forms. (English) Zbl 1422.81026 Int. J. Theor. Phys. 58, No. 5, 1470-1481 (2019). MSC: 81P16 46L07 81S05 15A63 PDFBibTeX XMLCite \textit{Y. Hardy} et al., Int. J. Theor. Phys. 58, No. 5, 1470--1481 (2019; Zbl 1422.81026) Full Text: DOI arXiv
Hardy, Yorick; Steeb, Willi-Hans Fermi-Bose systems, macroscopic quantum superposition states and entanglement. (English) Zbl 1073.81684 Int. J. Theor. Phys. 43, No. 11, 2207-2213 (2004). MSC: 81V70 81P68 81S05 PDFBibTeX XMLCite \textit{Y. Hardy} and \textit{W.-H. Steeb}, Int. J. Theor. Phys. 43, No. 11, 2207--2213 (2004; Zbl 1073.81684) Full Text: DOI