세종대학교-WebSTYLIST

연구활동 Research activities

논문

[국외]
On the generalized Sylvester operator equation AX-Y B = C, Linear & Multilinear Algebra 74 (2024)
Matrix representation of Toeplitz operators on Newton spaces, Journal of Inequalities and Applications 2024 (2024)
Expansivity and contractivity of Toeplitz operators on Newton spaces, Mediterranean Journal Of Mathematics 21 (2024)
On generalization of expansive operators , Mathematical Inequalities & Applications 27 (2024)
Remark on the dilation of truncated Toeplitz operators, Filomat 37 (2023)
Square roots of complex symmetric operators, Linear & Multilinear Algebra 71 (2023)
Fuzzy real weak inner product: a new approach to fuzzy inner products, Soft Computing 27 (2023)
Characterizations of Matrix valued asymmetric truncated Hankel operators, Banach Journal of Mathematical Analysis 17 (2023)
Computation of the iterated Aluthge, Duggal, and Mean transforms, Filomat 37 (2023)
Properties of Newton polynomials and Toeplitz operators on Newton spaces, Annals of Functional Analysis 14 (2023)
Hankel and Toeplitz operators, block matrices and derivations, Filomat 37 (2023)
On properties of C-normal operators II, Annals of Functional Analysis 14 (2023)
Characterizations of a Complex Symmetric Truncated Backward Shift Type Operator Matrix and its Transforms, Results In Mathematics 78 (2023)
Hyponormal Toeplitz Operators with Non-harmonic Symbols on the Generalized Derivative Hardy Space, Mediterranean Journal Of Mathematics 20 (2023)
Remarks on complex symmetric Toeplitz operators, Linear and Multilinear Algebra 70 (2022)
(m,C)-isometric Toeplitz operators with rational symbols, Linear and Multilinear Algebra 70 (2022)
Remarks on composition operators on the Newton space, Mediterranean Journal of Mathematics 19 (2022)
On quasinormality of the dilation of truncated Toeplitz operators, Mathematical Inequalities & Applications 25 (2022)
Complex symmetric Toeplitz operators on the generalized derivative Hardy space, Journal of Inequalities and Applications 2022 (2022)
Complex symmetric Toeplitz operators on the weighted Bergman space, Complex Variables and Elliptic Equations 67 (2022)
Delta root: a new definition of a square root of fuzzy numbers, Soft Computing 26 (2022)
ON BACKWARD ALUTHGE ITERATES OF COMPLEX SYMMETRIC OPERATORS, Mathematical Inequalities & Applications 25 (2022)
Conjugations and complex symmetric block Toeplitz operators on the weighted Hardy space, Revista de la Real Academia de Ciencias Exactas Fisicas y Naturales Serie A-Matematicas 116 (2022)
Numerical ranges of conjugations and antilinear operators, Linear And Multilinear Algebra 69 (2021)
Numerical Ranges of Conjugations and Antilinear Operators on a Banach Space, Filomat 35 (2021)
On local spectral properties of operator matrices, Journal of Inequalities and Applications 2021 (2021)
Hyponormality of the dilation of truncated Toeplitz operators, Complex Variables And Elliptic Equations 66 (2021)
On properties of C-normal operators, Banach Journal of Mathematical Analysis 15 (2021)
Conjugations and Complex Symmetric Toeplitz Operators on the Weighted Hardy Space, Mediterranean Journal of Mathematics (2021)
ON QUASINORMALITY OF SINGULAR INTEGRAL OPERATORS WITH CAUCHY KERNEL ON L-2, Journal of Integral Equations and Applications 33 (2021)
Hamburger-type weighted shifts: Jumping flatness and Aluthge transforms, Journal of Mathematical Analysis and Applications 494 (2021)
On the single-valued extension property of hyponormal operators on Banach spaces, Mediterranean Journal Of Mathematics 18 (2021)
Operator Matrices and Their Weyl Type Theorems, Filomat 34 (2020)
On m-complex symmetric weighted shift operators on C-n, Linear Algebra And Its Applications 603 (2020)
Crystal complex symmetric operators, Banach Journal Of Mathematical Analysis 14 (2020)
Classification of Complex Fuzzy Numbers and Fuzzy Inner Products, Mathematics 8 (2020)
(m, q)-Isometric and (m, infinity)-Isometric Tuples of Commutative Mappings on a Metric Space, Filomat 34 (2020)
On the generalized mean transforms of complex symmetric operators, Banach Journal Of Mathematical Analysis 14 (2020)
Absence of Non-Trivial Fuzzy Inner Product Spaces and the Cauchy–Schwartz Inequality, Mathematics 8 (2020)
On n-quasi-(m, C)-isometric operators, Linear And Multilinear Algebra 68 (2020)
On the Dilation of Truncated Toeplitz Operators II, Complex Analysis And Operator Theory 13 (2019)
Complex symmetric operators and isotropic vectors on Banach spaces, Journal Of Mathematical Analysis And Applications 479 (2019)
Multiplication and Toeplitz operators on the generalized derivative Hardy space, Complex Analysis And Operator Theory 13 (2019)
On Power Similarity of Complex Symmetric Operators, Filomat 33 (2019)
Skew m-complex symmetric operators, Filomat 33 (2019)
Remark on complex symmetric operator matrices, Linear And Multilinear Algebra 67 (2019)
Binormal Toeplitz operators on the Hardy space, International Journal Of Mathematics 30 (2019)
On the approximate point spectra of m-complex symmetric operators, [m,C]-symmetric operators and others, Functional Analysis, Approximation and Computation 11 (2019)
Binormal Toeplitz operators on the Hardy space, International Journal Of Mathematics 30 (2019)
Remarks on n-normal operators, Filomat 32 (2018)
Multiplicatively local spectrum-preserving maps, Linear Algebra And Its Applications 549 (2018)
Complex isosymmetric operators, Advances in Operator Theory 3 (2018)
On (m, C)-Isometric Commuting Tuples of Operators on a Hilbert Space, Results In Mathematics 73 (2018)
A characterization of binormal matrices, Linear And Multilinear Algebra 66 (2018)
Weak Hamburger-type Weighted shifts and their examples, Journal Of Mathematical Analysis And Applications 462 (2018)
ON infinity-COMPLEX SYMMETRIC OPERATORS, Glasgow Mathematical Journal 60 (2018)
ON infinity-COMPLEX SYMMETRIC OPERATORS, Glasgow Mathematical Journal 60 (2018)
On Symmetric and Skew-Symmetric Operators, Filomat 32 (2018)
(infinity, C)-ISOMETRIC OPERATORS, Operators And Matrices 11 (2017)
Weyl type theorem for complex symmetric operator matrices, Filomat 31 (2017)
On [m,C]-isometric operators , Filomat 31 (2017)
Properties of m-complex symmetric operators, Studia Universitatis Babes-Bolyai Mathematica 62 (2017)
On (m,C)-isometric operators, Complex Analysis And Operator Theory (2016)
On m-complex symmetric operators II, Mediterranean Journal Of Mathematics (2016)
On m-complex symmetric operators , Mediterranean Journal Of Mathematics (2016)
On the dilation of truncated Toeplitz operators, Complex Analysis And Operator Theory (2016)
Remarks on complex symmetric operators, Mediterranean Journal Of Mathematics (2016)
On complex symmetric Toeplitz operators, Journal Of Mathematical Analysis And Applications (2016)
On rank one perturbation of complex symmetric operators , Filomat (2015)
Normal truncated Toeplitz operators on finite dimensional spaces, Linear And Multilinear Algebra (2015)
Properties of complex symmetric operators, Operators And Matrices (2014)
Complex symmetric weighted composition operators on H^2, Journal Of Functional Analysis (2014)
Spectral properties between operator matrices and Helton class, Operators And Matrices (2013)
On complex symmetric operator matrices, Journal Of Mathematical Analysis And Applications (2013)
On (A,m)-expensive operators, Studia Mathematica (2012)
On scalar extensions and spectral decompositions of complex symmetric operators, Journal Of Mathematical Analysis And Applications (2011)
On local spectral properties of complex symmetric operators, Journal Of Mathematical Analysis And Applications (2011)
Local spectral properties for the Helton class of an operator, Filomat (2010)
Some connections between an operator and its Helton class, Journal Of Mathematical Analysis And Applications (2008)
On Helton class of p-hyponormal operators, Proceedings Of The American Mathematical Society (2007)
[국내]
퍼지자료를 이용한 딥러닝 분석, 한국지능시스템학회 논문지 30 (2020)
Properties of operator matrices, Journal of the Korean Mathematical Society 57 (2020)
ON OPERATORS T COMMUTING WITH CTC WHERE C IS A CONJUGATION, Bulletin Of The Korean Mathematical Society 57 (2020)
On [m,C]-symmetric operators, Kyungpook Mathematical Journal 58 (2018)
Skew complex symmetric operators and Weyl type theorems, Bulletin Of The Korean Mathematical Society (2015)
Inherited properties through the Helton class of an operator, Bulletin Of The Korean Mathematical Society (2011)
On rank one perturbations of the unilateral shift, Communications Of The Korean Mathematical Society (2011)
Some remarks of the Heltonclass of an operator, Bulletin Of The Korean Mathematical Society (2009)
Operators with the single valued extension property,, Bulletin Of The Korean Mathematical Society (2006)

학술발표

Properties of m-expansive tuples of commuting operators on a Banach space, 2024년도 대한수학회 봄 연구발표회(대한수학회), 2024-04
On C-normal weighted composition operators on the Hardy space, 교토대학교 RIMS conference (교토대학교 수리과학연구소), 2023-11
Remark on the generalized Sylvester operator equation AX-YB=C, 2023년도 대한수학회 가을 연구발표회(대한수학회), 2023-10
On properties of C-normal weighted composition operators, 2023년도 대한수학회 봄 연구발표회(대한수학회), 2023-04
Algebraic properties of Toeplitz operators on Newton space, 2022년도 대한수학회 정기총회 및 IMU 승급 기념 국제학회(대한수학회), 2022-10
On complex symmetric Toeplitz operators on generalized Hardy spaces, Spectral Theory of Operators - 2021 Virtual Workshop(서울대학교), 2021-12
On rank one perturbations of normal operators and their local spectral properties, 2021 대한수학회 가을학회(대한수학회), 2021-10
Properties of C-normal operators, 2021 RIMS conference(교토대학교 RIMS 수학연구소), 2021-10
Properties of Toeplitz operators on Newton space, 2021 Ewha IMS International Conference on Computational Mathematics(이화여자대학교 수리과학연구소), 2021-08
Toeplitz operators on Newton space, Workshop on Operator Theory, Complex Analysis, and Applications 2021(University of Lisbon), 2021-06
On complex symmetric composition operators on the Newton space, 2021년도 대한수학회 봄 연구발표회(대한수학회), 2021-04
Complex symmetry of truncated shift type operator matrix and its transforms, Operator Theory: 2020 Virtual Workshop in honor of the 70th birthday of Muneo Cho(서울대학교), 2020-12
On complex symmetry of truncated shift type operator matrix and its transforms, 2020 Ewha-IMS 계산수학 워크샵(이화여자대학교 수리과학연구소), 2020-12
Properties of multiplication and Toeplitz operatorson the generalized derivative Hardy space, 2020년도 대한수학회 봄 연구발표회(대한수학회), 2020-07
Complex symmetric operators and their applications, 작용소 대수와 이론 겨울학교 2019(서울대학교 수리과학부), 2019-12
Remarks on conjugation and antilinear operators and their numerical range, 2019 RIMS conference(교토대학교 수리해석연구소), 2019-10
Toeplitz operators on the weighted Bergman spaceand their complex symmetry, Women in Operator Theory and its Applications 19(Instituto Superior Tecnico, University of Lisbon), 2019-06
On complex symmetric Toeplitz operators on the weighted Bergman space, 2019년 봄 대한수학회(대한수학회), 2019-04
Operator matrices with Hankel and Toeplitz entries, 2019 AMS Joint Mathematics meetings(미국수학회), 2019-01
On numerical ranges of conjugations and antilinear operators, 2018년도 대한수학회 정기총회 및 한국/독일 공동국제학술회의 (대한수학회), 2018-10
Remark on skew m-complex symmetric operators, RIMS conference(교토대학교), 2018-10
On properties of (m,C)-isometric commuting tuples of operators, KOTCA(한국국제작용소론 학회) 2018(서울대학교, 한국연구재단), 2018-07
Properties of (m,C)-isometric commuting tuples of operators, 2018 IWOTA (국제 작용소론 학회)(East China normal university), 2018-07
Complex symmetric block Toeplitz operators on the vector-valued Hardy space (H_C^2)^2, Workshop on Operator Theory, Complex Analysis and Applications 2018(University of Minho), 2018-06
Complex symmetric operator and its generalized mean transforms, 2018년 봄 대한수학회(대한수학회), 2018-04
On Hankel and Toeplitz operators, block matrices, 2017 대한수학회 가을학회(대한수학회), 2017-10
On binormal Toeplitz operators on the Hardy space, 2017 국제작용소론학회(2017 IWOTA)(독일,캠니츠 공과대학교(Chemnitz University of Technology)), 2017-08
Complex symmetric operator matrix and its applications, Workshop on Operator Theory, Complex Analysis and Applications(Instituto Superior Tecnico, University of Lisbon), 2017-07
Properties of (infty,C)-isometric operators”, 2017 봄 대한수학회(대한수학회), 2017-04
On binormal operator matrices and their applications, 2016 대한수학회 가을학회(서울대학교), 2016-10
On infty-complex symmetric operators, 2016 Summer Workshop on Operator Theory(폴란드, 크라코프 농업대학교), 2016-07
On complex symmetric block Toeplitz operators, 2016년 Kotac 국제작용소론 학회(서울대학교), 2016-06
Spectral properties of infty-complex symmetric operators, 2016년 국제여성수리학회(고등과학원), 2016-06
On m-complex symmetric operators, RIMS conference(일본, 교토대학교 수학연구소), 2015-11
m-complex symmetric operators and their properties, 2015년 가을 대한수학회(연세대학교), 2015-10
Spectral properties of m-complex symmetric operators, 2015년 Kotac 국제작용소론 학회(충남대학교), 2015-06
Toeplitz operators and their complex symmetry, 2015 봄 대한수학회(부산대학교), 2015-04
On normality of truncated Toeplitz operators on finite dimensional spaces, 2014년 가을대한수학회(서울시립대학교), 2014-10
Truncated Toeplitz operators and their normality on finite dimensional spaces, 2014년 ICM 세계수학자 대회(세계수학자 연맹 및 대한수학회), 2014-08
Toeplitz operators and their binormality, 2014년 ICM 위성학회: 작용소 대수와 응용(세계수학자 연맹및 서울대학교), 2014-08
Complex symmetric operators and their rank one perturbations, 2014년 IWOTA 국제작용소론 학회(네덜란드, VU 대학교), 2014-07
Complex symmetric operator matrices and their decomposability, 2013년 아시아 수학자대회(아시아 수학자 연맹 및 대한수학회), 2013-07
Algebras of complex symmetric operators, 2013년 PARC 작용소론과 응용학회(서울대학교), 2013-06
Complex symmetric operator and its algebra, 제 10회 국제 여성수리학회(KWMS)(고등과학원), 2013-06
The decomposability of complex symmetricoperator matrices, 이화여자대학교 수학과 60주년 기념학회(이화여자대학교), 2013-05
Properties of complex symmetric operators, 2012년 IWOTA 국제작용소론 학회(호주, 시드니, 사우스웨일즈대학교), 2012-07
Weyl type Theorem for complex symmetric operators, 2012 이화수리과학연구소 연구 학회(이화여자대학교 ), 2012-02
On properties of complex symmetric operator, 2011 대학수학회 가을학회(경북대학교), 2011-10
Local spectral properties of complex symmetric operators, 2011년 PARC 작용소론과 응용학회(서울대학교), 2011-06
On local spectral properties of complex symmetric operators, 2011 대한수학회 봄학회(고려대학교), 2011-04
On local spectral properties of complex symmetric operators, 2010 이화여자대학교수리과학연구소 연구학회(이화여자대학교), 2010-11
Some properties of m-isometric operators, 2010 대한수학회 가을학회(포항공과대학교(포스텍)), 2010-10
Browder's theorem for Helton class, 제 1회 한국-중국 수학회(중국, 충칭, 서남대학교), 2010-05
On rank one perturbations of some operators, 2009 이화여자대학교 수리과학연구소연구학회(이화여자대학교), 2009-12
On some operators with the single-valued extension property, 2008 이화여자대학교 수리과학연구소연구학회 (이화여자대학교), 2008-11
On some operators with the single-valued extension property, 2008년 글로벌 대한수학회 (KMS)(대한민국, 제주도, 국제 켄벤스센터), 2008-10
Some connections between operators and their Helton classes, 제 5회 국제여성수리학회(이화여자대학교), 2008-06
On rank one perturbations of the unilateral shift, 2007 대한수학회가을학회(카이스트), 2007-10
On the hyponormality of rank one perturbations of the unilateral shift, 2007 이화여자대학교 수리과학연구소연구학회 (이화여자대학교), 2007-10
Properties of an operator of Helton class, 2006년 국제 작용소론과 응용 학회(경북대학교), 2006-12
Operators with the single valued extension property, 제 3회 국제여성수리학회(고려대학교), 2006-06