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Restrictions to Invariant Subspaces of Composition Operators on the Hardy Space of the Disk
composition operator hardy semigroup
2015/1/19
Invariant subspaces are a natural topic in linear algebra and operator theory. In some rare cases, the restrictions of operators to different invariant subspaces are unitarily equivalent, such as cert...
Commutants of composition operators on the Hardy space of the disk
Composition operator Commutant Hardy space
2015/1/19
The main part of this thesis, Chapter 4, contains results on the commutant of a semigroup of operators defined on the Hardy Space of the disk where the operators have hyperbolic non-automorphic symbol...
Estimates for approximation numbers of some classes of composition operators on the Hardy space
approximation numbers Blaschke product composition operator cusp map Hardy space modulus of continuity Schatten classes
2012/6/21
We give estimates for the approximation numbers of composition operators on $H^2$, in terms of some modulus of continuity. For symbols whose image is contained in a polygon, we get that these approxim...
Weighted composition operators on weighted vector-valued Bergman spaces
weighted composition operator vector-valued Bergman spaces
2010/9/26
In this paper we first introduce weighted vector-valued Bergman spaces ,
Λ of the upper half-plane. We then discuss their basic propertie...
Weighted composition operators between weighted Bergman-Nevanlinna and Bloch-type spaces
weighted composition operator Bloch-type spaces
2010/9/26
In this paper, we characterize the boundedness and compactness of weighted composition operators , ...
Composition Operators Between Generally Weighted Bloch Spaces of Polydisk
Holomorphic self-map Composition operator Bloch space Generally weighted Bloch space
2008/7/1
Composition Operators Between Generally Weighted Bloch Spaces of Polydisk.
Essential Spectra of Composition Operators on the Space of Bounded Analytic Functions
Essential Spectra Bounded Analytic Functions Composition Operators
2010/2/25
In this small note we characterize the essential spectra of a class of composition operators on H\infty(H) of the upper half-plane H and on H\infty(D) of the unit disc D. These composition operators a...