Results 11 to 20 of about 2,210 (283)

Spatial Numerical Range of Operators on Weighted Hardy Spaces [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2011
We consider the spatial numerical range of operators on weighted Hardy spaces and give conditions for closedness of numerical range of compact operators.
Abdolaziz Abdollahi   +1 more
doaj   +2 more sources

Fredholm Weighted Composition Operator on Weighted Hardy Space [PDF]

open access: yesJournal of Function Spaces and Applications, 2013
This paper gives a unified characterization of Fredholm weighted composition operator on a class of weighted Hardy spaces.
Liankuo Zhao
doaj   +3 more sources

Weighted composition operators from weighted hardy spaces to weighted-type spaces [PDF]

open access: yesDemonstratio Mathematica, 2013
Abstract The boundedness and compactness of the weighted composition operator from weighted Hardy spaces to weighted-type spaces are studied in this paper.
Xiangling Zhu
openaire   +3 more sources

Hardy Spaces on Weighted Homogeneous Trees [PDF]

open access: yes, 2020
17 pages; 2 ...
Arditti, Laura   +2 more
openaire   +4 more sources

Compact Weighted Composition Operators and Multiplication Operators between Hardy Spaces [PDF]

open access: yesAbstract and Applied Analysis, 2008
We estimate the essential norm of a compact weighted composition operator 𝑢𝐶𝜑 acting between different Hardy spaces of the unit ball in ℂ𝑁. Also we will discuss a compact multiplication operator between Hardy spaces.
Sei-Ichiro Ueki, Luo Luo
doaj   +2 more sources

A wavelet characterization for weighted Hardy Spaces

open access: yesRevista Matemática Iberoamericana, 1992
In this paper, we give a wavelet area integral characterization for weighted Hardy spaces H^p(\omega), 0 < p < \infty , with \omega \in A_\infty .
Wu, Su-Gong
openaire   +4 more sources

Weighted Composition Operators on Hardy Spaces

open access: yesJournal of Mathematical Analysis and Applications, 2001
This paper studies operators of the form \(f\mapsto (f\circ\varphi)\psi\) acting on Hardy spaces \(H^p\) of the unit disk \(D\), where \(\psi\) is analytic in \(D\) and \(\varphi\) is an analytic self-map of \(D\). Problems studied include the boundedness, compactness, weak compactness, and complete continuity of such operators.
Manuel D Contreras
exaly   +2 more sources

Marcinkiewicz Integrals on Weighted Weak Hardy Spaces [PDF]

open access: yesJournal of Function Spaces, 2014
We prove that, under the condition Ω∈Lipα, Marcinkiewicz integral μΩ is bounded from weighted weak Hardy space WHwpRn to weighted weak Lebesgue space WLwpRn for maxn/n+1/2,n/n ...
Yue Hu, Yueshan Wang
doaj   +2 more sources

Weighted Hardy and Potential Operators in Morrey Spaces [PDF]

open access: yesJournal of Function Spaces and Applications, 2012
We study the weighted p→q-boundedness of Hardy-type operators in Morrey spaces ℒp,λ(ℝn) (or ℒp,λ(ℝ+1) in the one-dimensional case) for a class of almost monotonic weights.
Natasha Samko
doaj   +3 more sources

Numerical Range on Weighted Hardy Spaces as Semi Inner Product Spaces

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2017
The semi-inner product, in the sense of Lumer, on weighted Hardy space which generate the norm is unique. Also we will discuss some properties of the numerical range of bounded linear operators on weighted Hardy spaces.
Heydari Mohammad Taghi
doaj   +2 more sources

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