Results 21 to 30 of about 63,505 (342)

Weighted Composition Operators Between Extended Lipschitz Algebras on Compact Metric Spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2020
‎In this paper, we provide a complete description of weighted composition operators between extended Lipschitz algebras on compact metric spaces. We give necessary and sufficient conditions for the injectivity and the sujectivity of these operators.
Reyhaneh Bagheri, Davood Alimohammadi
doaj   +1 more source

Differences weighted composition operators in several variables between some spaces of analytic functions

open access: yesAIMS Mathematics, 2023
The boundedness and compactness of weighted composition operators have been extensively investigated on various analytic function spaces. In this paper, we study the boundedness and compactness of two several variables differences weighted composition ...
Aydah Mohammed Ayed Al-Ahmadi
doaj   +1 more source

Closed range weighted composition operators between L^{p}-spaces [PDF]

open access: yesOpuscula Mathematica, 2021
We characterize the closedness of ranges of weighted composition operators between \(L^p\)-spaces, where \(1 \leq p \leq \infty\). When the \(L^p\)-spaces are weighted sequence spaces, several corollaries about this class of operators are also deduced.
Ching-on Lo, Anthony Wai-keung Loh
doaj   +1 more source

Spectrums and Uniform Mean Ergodicity of Weighted Composition Operators on Fock Spaces [PDF]

open access: yesBulletin of the Malaysian Mathematical Sciences Society, 2021
For holomorphic pairs of symbols $$(u, \psi )$$ ( u , ψ ) , we study various structures of the weighted composition operator $$ W_{(u,\psi )} f= u \cdot f(\psi )$$ W ( u , ψ ) f = u · f ( ψ ) defined on the Fock spaces $$\mathcal {F}_p$$ F p .
Werkaferahu Seyoum, Tesfa Mengestie
semanticscholar   +1 more source

A new characterization of the generalized weighted composition operator from H^\infty into the Zygmund space

open access: yes, 2015
A new criterion for the boundedness, as well as for the compactness of the generalized weighted composition operators from H∞ into the Zygmund space are given in this paper. Mathematics subject classification (2010): 47B33, 30H30.
Zhu
semanticscholar   +2 more sources

Absolutely summing weighted composition operators on Bloch spaces

open access: yesJournal of operator theory, 2022
We characterize p -summing composition operators C ϕ ( f ) = f ◦ ϕ from a Bloch space B µ to another such space B β , where µ, β > 0 . The corresponding result on little Bloch-type spaces is also proved.
Tonie Fares, Pascal Lefèvre
semanticscholar   +1 more source

Dynamics of Weighted Composition Operators and Their Adjoints on the Fock Space

open access: yesComplex Analysis and Operator Theory, 2022
We study the cyclic structures of the weighted composition operators and their adjoints on the Fock space F2\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{
Tesfa Mengestie
semanticscholar   +1 more source

Data‐driven performance metrics for neural network learning

open access: yesInternational Journal of Adaptive Control and Signal Processing, EarlyView., 2023
Summary Effectiveness of data‐driven neural learning in terms of both local mimima trapping and convergence rate is addressed. Such issues are investigated in a case study involving the training of one‐hidden‐layer feedforward neural networks with the extended Kalman filter, which reduces the search for the optimal network parameters to a state ...
Angelo Alessandri   +2 more
wiley   +1 more source

Integral type operators from normal weighted Bloch spaces to QT,S spaces

open access: yesJournal of Hebei University of Science and Technology, 2016
Operator theory is an important research content of the analytic function space theory. The discussion of simultaneous operator and function space is an effective way to study operator and function space.
Yongyi GU, Wenjun YUAN, Fanning MENG
doaj   +1 more source

Invertible weighted composition operators [PDF]

open access: yesProceedings of the American Mathematical Society, 2013
11 pages, to be published in the Proceedings of the American Mathematical ...
openaire   +3 more sources

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