Chō, Muneo; Djordjević, Slavisa; Duggal, Bhaggy Bishop’s property \((\beta)\) and an elementary operator. (English) Zbl 1228.47036 Hokkaido Math. J. 40, No. 3, 337-356 (2011). MSC: 47B47 47B10 47A10 47B40 PDFBibTeX XMLCite \textit{M. Chō} et al., Hokkaido Math. J. 40, No. 3, 337--356 (2011; Zbl 1228.47036) Full Text: DOI Euclid
Chō, Muneo; Huruya, Tadasi Trace formulae of \(p\)-hyponormal operators. II. (English) Zbl 1159.47008 Hokkaido Math. J. 35, No. 2, 247-259 (2006). MSC: 47B20 47A10 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Hokkaido Math. J. 35, No. 2, 247--259 (2006; Zbl 1159.47008) Full Text: DOI
Chō, Muneo; Huruya, Tadasi Aluthge transformations and invariant subspaces of \(p\)-hyponormal operators. (English) Zbl 1068.47029 Hokkaido Math. J. 32, No. 2, 445-450 (2003). Reviewer: Bebe Prunaru (Bucureşti) MSC: 47B20 47A15 PDFBibTeX XMLCite \textit{M. Chō} and \textit{T. Huruya}, Hokkaido Math. J. 32, No. 2, 445--450 (2003; Zbl 1068.47029) Full Text: DOI
Chō, Muneo; Żelazko, Wiesław On geometric spectral radius of commuting \(n\)-tuples of operators. (English) Zbl 0784.47004 Hokkaido Math. J. 21, No. 2, 251-258 (1992). Reviewer: R.Salvi (Milano) MSC: 47A10 47A13 PDFBibTeX XMLCite \textit{M. Chō} and \textit{W. Żelazko}, Hokkaido Math. J. 21, No. 2, 251--258 (1992; Zbl 0784.47004) Full Text: DOI