Gu, Caixing; Kang, Dong-O; Park, Jaehui An inverse problem for kernels of block Hankel operators. (English) Zbl 1487.47049 Bull. Sci. Math. 171, Article ID 103021, 23 p. (2021). MSC: 47B35 47A05 PDFBibTeX XMLCite \textit{C. Gu} et al., Bull. Sci. Math. 171, Article ID 103021, 23 p. (2021; Zbl 1487.47049) Full Text: DOI
Gu, Caixing; Kang, Dong-O; Ko, Eungil; Lee, Ji Eun Binormal Toeplitz operators on the Hardy space. (English) Zbl 07029238 Int. J. Math. 30, No. 1, Article ID 1950001, 15 p. (2019). MSC: 47B35 47B15 47B20 PDFBibTeX XMLCite \textit{C. Gu} et al., Int. J. Math. 30, No. 1, Article ID 1950001, 15 p. (2019; Zbl 07029238) Full Text: DOI
Gu, Caixing; Kang, Dong-O A commutator approach to truncated singular integral operators. (English) Zbl 1395.45007 Integral Equations Oper. Theory 90, No. 2, Paper No. 16, 22 p. (2018). Reviewer: Alexey N. Karapetyants (Rostov-na-Donu) MSC: 45E10 47B35 PDFBibTeX XMLCite \textit{C. Gu} and \textit{D.-O Kang}, Integral Equations Oper. Theory 90, No. 2, Paper No. 16, 22 p. (2018; Zbl 1395.45007) Full Text: DOI
Gu, Caixing; Hwang, In Sung; Kang, Dong-O; Lee, Woo Young Normal singular Cauchy integral operators with operator-valued symbols. (English) Zbl 1356.47053 J. Math. Anal. Appl. 447, No. 1, 289-308 (2017). MSC: 47G10 45E05 46E40 42A50 47B20 PDFBibTeX XMLCite \textit{C. Gu} et al., J. Math. Anal. Appl. 447, No. 1, 289--308 (2017; Zbl 1356.47053) Full Text: DOI
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 PDFBibTeX XMLCite \textit{R. E. Curto} et al., Adv. Math. 255, 562--585 (2014; Zbl 1318.47031) Full Text: DOI
Hwang, In Sung; Kang, Dong-O.; Lee, Woo Young Hyponormal Toeplitz operators with matrix-valued circulant symbols. (English) Zbl 1300.47038 Complex Anal. Oper. Theory 7, No. 4, 843-861 (2013). Reviewer: Takanori Yamamoto (Sapporo) MSC: 47B35 47A57 PDFBibTeX XMLCite \textit{I. S. Hwang} et al., Complex Anal. Oper. Theory 7, No. 4, 843--861 (2013; Zbl 1300.47038) Full Text: DOI
Kang, Dong-O; Lee, Woo Young A criterion on the hyponormality of Toeplitz operators with polynomial symbols via Schur numbers. (English) Zbl 1251.47028 Linear Algebra Appl. 436, No. 9, 3608-3617 (2012). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47B35 15B05 47B20 15A60 47A57 PDFBibTeX XMLCite \textit{D.-O Kang} and \textit{W. Y. Lee}, Linear Algebra Appl. 436, No. 9, 3608--3617 (2012; Zbl 1251.47028) Full Text: DOI
Hwang, In Sung; Kang, Dong-O; Lee, Woo Young A gap between hyponormality and subnormality for block Toeplitz operators. (English) Zbl 1221.47052 J. Math. Anal. Appl. 382, No. 2, 883-891 (2011). MSC: 47B35 47B20 PDFBibTeX XMLCite \textit{I. S. Hwang} et al., J. Math. Anal. Appl. 382, No. 2, 883--891 (2011; Zbl 1221.47052) Full Text: DOI