Davidson, Kenneth R.; Salinas, Norberto Joint quasitriangularity of essentially unitary pairs. (English) Zbl 0938.47017 Am. J. Math. 115, No. 4, 861-879 (1993). Reviewer: Raul E.Curto (MR 94j:47029) MSC: 47A66 32E20 47A10 47A13 47B20 PDFBibTeX XMLCite \textit{K. R. Davidson} and \textit{N. Salinas}, Am. J. Math. 115, No. 4, 861--879 (1993; Zbl 0938.47017) Full Text: DOI
Curto, Raul E.; Salinas, Norberto Spectral properties of cyclic subnormal m-tuples. (English) Zbl 0569.47003 Am. J. Math. 107, 113-138 (1985). MSC: 47A10 32A07 47B20 47A53 47B38 47B37 PDFBibTeX XMLCite \textit{R. E. Curto} and \textit{N. Salinas}, Am. J. Math. 107, 113--138 (1985; Zbl 0569.47003) Full Text: DOI
Paulsen, Vern Weak compalence invariants for essentially n-normal operators. (English) Zbl 0439.47021 Am. J. Math. 101, 979-1006 (1979). MSC: 47B20 46L05 47B15 PDFBibTeX XMLCite \textit{V. Paulsen}, Am. J. Math. 101, 979--1006 (1979; Zbl 0439.47021) Full Text: DOI
Clancey, Kevin F. The essential spectrum of a class of singular integral operators. (English) Zbl 0295.47051 Am. J. Math. 96, 298-307 (1974). MSC: 47Gxx 47A53 47A10 47B20 45E10 45E05 PDFBibTeX XMLCite \textit{K. F. Clancey}, Am. J. Math. 96, 298--307 (1974; Zbl 0295.47051) Full Text: DOI
Kriete, T. L. III; Trutt, David The Cesaro operator in \(\ell^ 2\) is subnormal. (English) Zbl 0235.46022 Am. J. Math. 93, 215-225 (1971). MSC: 47B20 46E30 46J15 46A32 PDFBibTeX XMLCite \textit{T. L. Kriete III} and \textit{D. Trutt}, Am. J. Math. 93, 215--225 (1971; Zbl 0235.46022) Full Text: DOI
Putnam, C. R. The spectra of completely hyponormal operators. (English) Zbl 0219.47020 Am. J. Math. 93, 699-708 (1971). MSC: 47B15 47B20 PDFBibTeX XMLCite \textit{C. R. Putnam}, Am. J. Math. 93, 699--708 (1971; Zbl 0219.47020) Full Text: DOI