2004 Mar - Present Professor, Department of Mathematics, SungKyunKwan University
2002 Mar ? 2003 Feb Visiting Scalar, Purdue Unversity
2001 Mar ? 2002 Feb Post-Doc., Seoul National Unioversity
2014 ? Present Editor, Communications of the Korean Mathematical Society
학술지 논문
(2023)
Circle companions of Hardy spaces of the unit disk.
JOURNAL OF FUNCTIONAL ANALYSIS.
285,
12
(2023)
Higher-order de Branges–Rovnyak and sub-Bergman spaces.
ADVANCES IN MATHEMATICS.
428,
(2023)
The Beurling degree of inner matrix functions.
LINEAR & MULTILINEAR ALGEBRA.
71,
3
(2022)
Hyponormal block Toeplitz operators and the Carathéodory interpolation problems.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS.
515,
2
(2022)
Operator-valued rational functions.
JOURNAL OF FUNCTIONAL ANALYSIS.
283,
9
(2021)
An F. and M. Riesz Theorem for strong H-2-functions on the unit circle.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS.
498,
1
(2021)
The Beurling-Lax-Halmos theorem for infinite multiplicity.
JOURNAL OF FUNCTIONAL ANALYSIS.
280,
6
(2021)
WEAK SUBNORMALITY OF INFINITE 4-BANDED MATRICES.
OPERATORS AND MATRICES.
15,
1
(2020)
On Douglas-Shapiro-Shields Factorizations.
FILOMAT.
34,
4
(2020)
Hyponormality of Toeplitz operators in several variables by the weighted shifts approach.
LINEAR & MULTILINEAR ALGEBRA.
68,
8
(2019)
Matrix Functions of Bounded Type: An Interplay Between Function Theory and Operator Theory.
MEMOIRS OF THE AMERICAN MATHEMATICAL SOCIETY.
260,
1253
(2018)
The Range of Block Hankel Operators.
FILOMAT.
32,
9
(2018)
JOINTLY HYPONORMAL BLOCK TOEPLITZ, PAIRS WITH RATIONAL SYMBOLS.
OPERATORS AND MATRICES.
12,
3
(2017)
Normal singular Cauchy integral operators with operator-valued symbols.
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS.
447,
1
(2016)
A rank formula for the self-commutators of rational Toeplitz tuples.
JOURNAL OF INEQUALITIES AND APPLICATIONS.
2016,
184
(2016)
Two invariant subspaces and spectral properties of a linear operator.
Acta Scientiarum Mathematicarum.
82,
3-4
(2016)
A Subnormal Toeplitz Completion.
OPERATORS AND MATRICES.
10,
1
(2014)
A Subnormal Toeplitz Completion Problem..
Operator Theory: Advances and Applications.
1,
240
(2014)
Hyponormal Toeplitz operators with polynomial symbols on weighted Bergman spaces.
JOURNAL OF INEQUALITIES AND APPLICATIONS.
2014,
335
(2014)
Hyponormality of bounded-type Toeplitz operators.
MATHEMATISCHE NACHRICHTEN.
287,
11-12
단행본
(2005)
미분적분학.
경문사.
공동
학술회의논문
(2008)
Hyponormality of Toeplitz operators with generalized circulant symbols.
대한수학회 봄 연구발표회.
대한민국
(2007)
Hyponormality of block toeplitz operators with rational symbols.
2007년도 대한수학회 가을 연구발표회 논문초록집.
대한민국
(2006)
Block Toeplitz operators.
2006 International Conference Operator Theory and Its Applications.
대한민국
(2006)
Hyponormal Toeplitz operators with partially circulant-type symbols.
대한수학회.
대한민국
(2006)
Hyponormality of Toeplitz operators with rational symbols.
International Workshop on Operatpr Theory and Applications.
대한민국
(2006)
Hyponormal Toeplitz operators with rational symbols.
대한수학회 봄 연구발표회.
대한민국
(2005)
Hyponormality of Toeplitz operators with rational symbols.
대한수학회 봄 연구발표회 초록논문집.
대한민국
(2004)
Hyponormal Toeplitz opertors with bounded type symbols.
대한수학회 가을 연구발표회.
대한민국
(2004)
Hyponormality of Toeplitz operators on the Bergman space.
대한수학회 봄 연구발표회.
대한민국