Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Properties of Newton polynomials and Toeplitz operators on Newton spaces. (English) Zbl 07699578 Ann. Funct. Anal. 14, No. 3, Paper No. 55, 14 p. (2023). MSC: 47B35 46E20 30H99 PDFBibTeX XMLCite \textit{E. Ko} et al., Ann. Funct. Anal. 14, No. 3, Paper No. 55, 14 p. (2023; Zbl 07699578) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Hyponormal Toeplitz operators with non-harmonic symbols on the generalized derivative Hardy space. (English) Zbl 07648652 Mediterr. J. Math. 20, No. 1, Paper No. 3, 16 p. (2023). MSC: 47B35 47B20 30H15 PDFBibTeX XMLCite \textit{E. Ko} et al., Mediterr. J. Math. 20, No. 1, Paper No. 3, 16 p. (2023; Zbl 07648652) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak \((m, C)\)-isometric Toeplitz operators with rational symbols. (English) Zbl 1517.47019 Linear Multilinear Algebra 70, No. 19, 4360-4376 (2022). MSC: 47A35 47A62 47B20 PDFBibTeX XMLCite \textit{E. Ko} et al., Linear Multilinear Algebra 70, No. 19, 4360--4376 (2022; Zbl 1517.47019) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Remarks on composition operators on the Newton space. (English) Zbl 1504.47045 Mediterr. J. Math. 19, No. 5, Paper No. 205, 17 p. (2022). MSC: 47B33 47A05 47B15 47B20 PDFBibTeX XMLCite \textit{E. Ko} et al., Mediterr. J. Math. 19, No. 5, Paper No. 205, 17 p. (2022; Zbl 1504.47045) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Complex symmetric Toeplitz operators on the generalized derivative Hardy space. (English) Zbl 1511.47041 J. Inequal. Appl. 2022, Paper No. 74, 12 p. (2022). MSC: 47B35 30H10 30H20 PDFBibTeX XMLCite \textit{E. Ko} et al., J. Inequal. Appl. 2022, Paper No. 74, 12 p. (2022; Zbl 1511.47041) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Complex symmetric Toeplitz operators on the weighted Bergman space. (English) Zbl 1517.47048 Complex Var. Elliptic Equ. 67, No. 6, 1393-1408 (2022). MSC: 47B35 47B15 47B20 30H20 PDFBibTeX XMLCite \textit{E. Ko} et al., Complex Var. Elliptic Equ. 67, No. 6, 1393--1408 (2022; Zbl 1517.47048) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Conjugations and complex symmetric block Toeplitz operators on the weighted Hardy space. (English) Zbl 07425414 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 18, 15 p. (2022). MSC: 47B35 47B15 47A05 PDFBibTeX XMLCite \textit{E. Ko} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 116, No. 1, Paper No. 18, 15 p. (2022; Zbl 07425414) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Conjugations and complex symmetric Toeplitz operators on the weighted Hardy space. (English) Zbl 07355141 Mediterr. J. Math. 18, No. 4, Paper No. 125, 11 p. (2021). MSC: 47B35 47B15 47A05 PDFBibTeX XMLCite \textit{E. Ko} et al., Mediterr. J. Math. 18, No. 4, Paper No. 125, 11 p. (2021; Zbl 07355141) Full Text: DOI
Ko, Eungil; Lee, Jongrak Remarks on hyponormal Toeplitz operators on the weighted Bergman spaces. (English) Zbl 1508.47031 Complex Anal. Oper. Theory 14, No. 8, Paper No. 83, 18 p. (2020). MSC: 47B20 47B35 30H20 PDFBibTeX XMLCite \textit{E. Ko} and \textit{J. Lee}, Complex Anal. Oper. Theory 14, No. 8, Paper No. 83, 18 p. (2020; Zbl 1508.47031) Full Text: DOI
Ko, Eungil; Lee, Jongrak \(m\)-isometric block Toeplitz operators. (English) Zbl 1499.47017 J. Inequal. Appl. 2019, Paper No. 185, 11 p. (2019). MSC: 47B35 47H09 PDFBibTeX XMLCite \textit{E. Ko} and \textit{J. Lee}, J. Inequal. Appl. 2019, Paper No. 185, 11 p. (2019; Zbl 1499.47017) Full Text: DOI
Ko, Eungil; Lee, Ji Eun; Lee, Jongrak Multiplication and Toeplitz operators on the generalized derivative Hardy space. (English) Zbl 1494.47048 Complex Anal. Oper. Theory 13, No. 8, 4143-4164 (2019). MSC: 47B35 47B20 30H10 PDFBibTeX XMLCite \textit{E. Ko} et al., Complex Anal. Oper. Theory 13, No. 8, 4143--4164 (2019; Zbl 1494.47048) Full Text: DOI
Ko, Eungil; Lee, Jongrak Hyponormality of Toeplitz operators on the Fock spaces. (English) Zbl 1502.47038 Complex Var. Elliptic Equ. 64, No. 11, 1825-1843 (2019). MSC: 47B35 47A62 47B15 47B20 PDFBibTeX XMLCite \textit{E. Ko} and \textit{J. Lee}, Complex Var. Elliptic Equ. 64, No. 11, 1825--1843 (2019; Zbl 1502.47038) Full Text: DOI
Kim, Yoenha; Ko, Eungil; Lee, Jongrak; Nakazi, Takahiko Hyponormality of singular Cauchy integral operators with matrix-valued symbols. (English) Zbl 1464.45005 Hokkaido Math. J. 48, No. 2, 443-459 (2019). MSC: 45G05 45P05 47G10 47B35 PDFBibTeX XMLCite \textit{Y. Kim} et al., Hokkaido Math. J. 48, No. 2, 443--459 (2019; Zbl 1464.45005) Full Text: DOI Euclid
Ko, Eungil; Lee, Jongrak On \(m\)-isometric Toeplitz operators. (English) Zbl 06914813 Bull. Korean Math. Soc. 55, No. 2, 367-378 (2018). MSC: 47A62 47B15 47B20 PDFBibTeX XMLCite \textit{E. Ko} and \textit{J. Lee}, Bull. Korean Math. Soc. 55, No. 2, 367--378 (2018; Zbl 06914813) Full Text: Link
Jung, S.; Ko, E.; Lee, Mee-Jung; Lee, J. On local spectral properties of complex symmetric operators. (English) Zbl 1217.47013 J. Math. Anal. Appl. 379, No. 1, 325-333 (2011). MSC: 47A11 PDFBibTeX XMLCite \textit{S. Jung} et al., J. Math. Anal. Appl. 379, No. 1, 325--333 (2011; Zbl 1217.47013) Full Text: DOI