Curto, Raúl E.; Jung, Il Bong; Park, Sang Soo A characterization of \(k\)-hyponormality via weak subnormality. (English) Zbl 1036.47011 J. Math. Anal. Appl. 279, No. 2, 556-568 (2003). Reviewer: Wang Gongbao (Wuhan) MSC: 47B20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., J. Math. Anal. Appl. 279, No. 2, 556--568 (2003; Zbl 1036.47011) Full Text: DOI
Curto, Raúl; Park, Sang Soo \(k\)-hyponormality of powers of weighted shifts via Schur products. (English) Zbl 1022.47022 Proc. Am. Math. Soc. 131, No. 9, 2761-2769 (2003). Reviewer: Wang Gongbao (Wuhan) MSC: 47B37 47-04 47B20 47A13 PDF BibTeX XML Cite \textit{R. Curto} and \textit{S. S. Park}, Proc. Am. Math. Soc. 131, No. 9, 2761--2769 (2003; Zbl 1022.47022) Full Text: DOI