Research Output per year

## Fingerprint Dive into the research topics where Hyung Woon Koo is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

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Composition Operator
Mathematics

Toeplitz Operator
Mathematics

Harmonic Bergman Space
Mathematics

Bergman Space
Mathematics

Harmonic
Mathematics

Unit ball
Mathematics

Weighted Bergman Space
Mathematics

Carleson Measure
Mathematics

##
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.

## Research Output 1997 2019

## Composition operator on finite type model domains and certain weighted Bergman spaces over the unit ball.

Koo, H. W. & Li, S. Y., 2019 Jan 1, In : Houston Journal of Mathematics. 45, 1, p. 87-114 28 p.Research output: Contribution to journal › Article

Weighted Bergman Space

Domain Model

Composition Operator

Finite Type

Unit ball

## Linear Fractional Composition Operators Over the Half-Plane

Choe, B. R., Koo, H. W. & Smith, W., 2018 Jun 1, In : Integral Equations and Operator Theory. 90, 3, 27.Research output: Contribution to journal › Article

Composition Operator

Half-plane

Fractional

Weighted Bergman Space

Linear Combination

## Sarason's composition operator over the half-plane

Choe, B. R., Koo, H. W. & Smith, W., 2018 Jan 1, (Accepted/In press) In : Journal of Mathematical Analysis and Applications.Research output: Contribution to journal › Article

Composition Operator

Half-plane

Analytic function

Siméon Denis Poisson

Borel Functions

6
Citations
(Scopus)

## Difference of composition operators over the half-plane

Choe, B. R., Koo, H. W. & Smith, W., 2017, In : Transactions of the American Mathematical Society. 369, 5, p. 3173-3205 33 p.Research output: Contribution to journal › Article

Composition Operator

Half-plane

Chemical analysis

Carleson Measure

Angular Derivative

5
Citations
(Scopus)

## Compact double differences of composition operators on the Bergman spaces

Choe, B. R., Koo, H. W. & Wang, M., 2016 May 24, (Accepted/In press) In : Journal of Functional Analysis.Research output: Contribution to journal › Article

Bergman Space

Composition Operator

Cancellation

Linear Combination

Weighted Bergman Space