Harte, Robin Invertibility and singularity of operator matrices. (English) Zbl 0678.47001 Proc. R. Ir. Acad., Sect. A 88, No. 2, 103-118 (1988). Summary: The extent to which ‘invertibility’, and more general kinds of ‘non- singularity’, of operator matrices reduces to that of a ‘determinant’ is discussed. Cited in 9 Documents MSC: 47A05 General (adjoints, conjugates, products, inverses, domains, ranges, etc.) PDFBibTeX XMLCite \textit{R. Harte}, Proc. R. Ir. Acad., Sect. A 88, No. 2, 103--118 (1988; Zbl 0678.47001)