Boasso, Enrico Moore-Penrose inverse and doubly commuting elements in \(C^*\)-algebras. (English) Zbl 1120.46034 Rev. Unión Mat. Argent. 46, No. 2, 35-44 (2005). MSC: 46L05 47A05 PDFBibTeX XMLCite \textit{E. Boasso}, Rev. Unión Mat. Argent. 46, No. 2, 35--44 (2005; Zbl 1120.46034) Full Text: arXiv
Boasso, Enrico Joint spectrum for quasi-solvable Lie algebras of operators. (English) Zbl 1006.46046 Rev. Unión Mat. Argent. 42, No. 1, 85-93 (2000). Reviewer: A.Fernández López (Malaga) MSC: 46L70 PDFBibTeX XMLCite \textit{E. Boasso}, Rev. Unión Mat. Argent. 42, No. 1, 85--93 (2000; Zbl 1006.46046) Full Text: arXiv EuDML
Boasso, Enrico On the joint spectra of the two dimensional Lie algebra of operators in Hilbert spaces. (English) Zbl 0878.46039 Rev. Unión Mat. Argent. 40, No. 1-2, 101-109 (1996). MSC: 46H70 PDFBibTeX XMLCite \textit{E. Boasso}, Rev. Unión Mat. Argent. 40, No. 1--2, 101--109 (1996; Zbl 0878.46039) Full Text: arXiv