Results 11 to 20 of about 3,351,910 (240)

Antinormal Weighted Composition Operators [PDF]

open access: yesAbstract and Applied Analysis, 2016
Let l2=L2N,μ, where N is set of all positive integers and μ is the counting measure whose σ-algebra is the power set of N. In this paper, we obtain necessary and sufficient conditions for a weighted composition operator to be antinormal on the Hilbert ...
Dilip Kumar, Harish Chandra
doaj   +6 more sources

Weighted differentiation composition operators from the logarithmic Bloch space to the weighted-type space

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016
The boundedness of the weighted differentiation composition opera- tor from the logarithmic Bloch space to the weighted-type space is characterized in terms of the sequence (zn)n∈N0.
Li Songxiao, Stević Stevo
doaj   +2 more sources

Non-Weakly Supercyclic Weighted Composition Operators [PDF]

open access: yesAbstract and Applied Analysis, 2010
We give sufficient conditions under which a weighted composition operator on a Hilbert space of analytic functions is not weakly supercyclic. Also, we give some necessary and sufficient conditions for hypercyclicity and supercyclicity of weighted ...
Z. Kamali   +2 more
doaj   +3 more sources

A New Essential Norm Estimate of Composition Operators from Weighted Bloch Space into -Bloch Spaces [PDF]

open access: yesJournal of Function Spaces and Applications, 2013
Let be any weight function defined on the unit disk and let be an analytic self-map of . In the present paper, we show that the essential norm of composition operator mapping from the weighted Bloch space to -Bloch space is comparable to where for ,
René E. Castillo   +2 more
doaj   +2 more sources

Commutators of weighted composition operators

open access: yesInternational Journal of Mathematics, 2014
In this paper, we prove that if the composition symbols φ and ψ are linear fractional non-automorphisms of 𝔻 such that φ(ζ) and ψ(ζ) belong to ∂𝔻 for some ζ ∈ ∂𝔻 and u, v ∈ H∞ are continuous on ∂𝔻 with u(ζ)v(ζ) ≠ 0, then [Formula: see text] is compact on H2 if and only if ζ is the common boundary fixed point of φ and ψ and one of the following ...
Jung, Sungeun, Kim, Yoenha, Ko, Eungil
openaire   +3 more sources

Weighted Composition Operators from Generalized Weighted Bergman Spaces to Weighted-Type Spaces [PDF]

open access: yesJournal of Inequalities and Applications, 2009
Let φ be a holomorphic self-map and let ψ be a holomorphic function on the unit ball B. The boundedness and compactness of the weighted composition operator ψCφ from the generalized weighted Bergman space into a class of ...
Dinggui Gu
doaj   +2 more sources

Weighted Composition Operator from Mixed Norm Space to Bloch-Type Space on the Unit Ball [PDF]

open access: yesAbstract and Applied Analysis, 2014
We discuss the boundedness and compactness of the weighted composition operator from mixed norm space to Bloch-type space on the unit ball of Cn.
Yu-Xia Liang, Ren-Yu Chen
doaj   +2 more sources

Weighted Composition Operators on the Zygmund Space [PDF]

open access: yesAbstract and Applied Analysis, 2012
We characterize the boundedness and compactness of the weighted composition operator on the Zygmund space Z={f∈H(D):sup⁡z∈D(1-|z|2)|f″(z)|
Shanli Ye, Qingxiao Hu
doaj   +4 more sources

The induced generalized OWA operator (WP) [PDF]

open access: yes, 2013
[spa] Se presenta el operador OWA generalizado inducido (IGOWA). Es un nuevo operador de agregación que generaliza al operador OWA a través de utilizar las principales características de dos operadores muy conocidos como son el operador OWA generalizado ...
Merigó Lindahl, José M.   +1 more
core   +5 more sources

Eigenfunctions of the Weighted Composition Operators

open access: yesJournal of Mathematical Extension, 2011
In the present paper, we characterize the eigenfunctions of a weighted composition operator on space of holomorphic function on the unit ...
H. Rezaei
doaj   +1 more source

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