Author page

Eungil Ko

15 articles

Showing 1-15 of 15

Article Title Journal Published
JMI-19-03 On C-hyponormal operators
Eungil Ko, Ji Eun Lee, Mee-Jung Lee
Journal of Mathematical Inequalities Volume 19, Issue 1
03/2025
OaM-18-26 The operator equation AXB=X and the Fuglede-Putnam type property
Eungil Ko, Yoonkyeong Lee
Operators and Matrices Volume 18, Issue 2
06/2024
MIA-25-43 On quasinormality of the dilation of truncated Toeplitz operators
Eungil Ko, Ji Eun Lee
Mathematical Inequalities & Applications Volume 25, Issue 3
07/2022
MIA-25-23 On backward Aluthge iterates of complex symmetric operators
Eungil Ko, Ji Eun Lee, Mee-Jung Lee
Mathematical Inequalities & Applications Volume 25, Issue 2
04/2022
OaM-14-24 n-fold Jordan product commuting maps with a λ-Aluthge transform
Younjin Kim, Eungil Ko
Operators and Matrices Volume 14, Issue 2
06/2020
MIA-23-49 On the iterated mean transforms of operators
Sungeun Jung, Mee-Jung Lee, Eungil Ko
Mathematical Inequalities & Applications Volume 23, Issue 2
04/2020
OaM-12-33 Remarks on nearly equivalent operators
Eungil Ko, Mee-Jung Lee
Operators and Matrices Volume 12, Issue 2
06/2018
OaM-11-56 (∞,C)-isometric operators
Muneo Chō, Eungil Ko, Ji Eun Lee
Operators and Matrices Volume 11, Issue 3
09/2017
MIA-20-09 Local spectral property of relatively regular operators
Eungil Ko, Mee-Jung Lee
Mathematical Inequalities & Applications Volume 20, Issue 1
01/2017
OaM-10-22 Note on some operator equations and local spectral properties
Il Ju An, Eungil Ko
Operators and Matrices Volume 10, Issue 2
06/2016
MIA-18-86 On backward Aluthge iterates of hyponormal operators
Eungil Ko, Mee-Jung Lee
Mathematical Inequalities & Applications Volume 18, Issue 3
07/2015
OaM-08-53 Properties of complex symmetric operators
Sungeun Jung, Eungil Ko, Ji Eun Lee
Operators and Matrices Volume 8, Issue 4
12/2014
MIA-17-61 Weak forms of supercyclity and a class of paranormal operators
Sungeun Jung, Insook Kim, Eungil Ko
Mathematical Inequalities & Applications Volume 17, Issue 3
07/2014
OaM-07-09 Class A operators and their extensions
Sungeun Jung, Eungil Ko
Operators and Matrices Volume 7, Issue 1
03/2013
OaM-05-26 On 2×2 operator matrices
Sungeun Jung, Yoenha Kim, Eungil Ko
Operators and Matrices Volume 5, Issue 3
09/2011