Curto, Raúl E.; Hwang, In Sung; Kang, Dong-O; Lee, Woo Young Subnormal and quasinormal Toeplitz operators with matrix-valued rational symbols. (English) Zbl 1318.47031 Adv. Math. 255, 562-585 (2014). Reviewer: Takanori Yamamoto (Sapporo) MSC: 47B20 47B35 46J15 15A83 30H10 47A20 PDF BibTeX XML Cite \textit{R. E. Curto} et al., Adv. Math. 255, 562--585 (2014; Zbl 1318.47031) Full Text: DOI
Curto, Raúl E.; Hwang, In Sung; Lee, Woo Young Hyponormality and subnormality of block Toeplitz operators. (English) Zbl 1248.47029 Adv. Math. 230, No. 4-6, 2094-2151 (2012). Reviewer: Alexei Yu. Karlovich (Lisboa) MSC: 47B35 47B20 47A13 30H10 47A20 47A57 PDF BibTeX XML Cite \textit{R. E. Curto} et al., Adv. Math. 230, No. 4--6, 2094--2151 (2012; Zbl 1248.47029) Full Text: DOI arXiv