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Journal of Functional Analysis
Article
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Journal of Functional Analysis
Article . 2009
License: Elsevier Non-Commercial
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Journal of Functional Analysis
Article . 2009 . Peer-reviewed
License: Elsevier Non-Commercial
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Article . 2009
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Weak-type inequalities for higher order Riesz–Laguerre transforms

Weak-type inequalities for higher order Riesz-Laguerre transforms
Authors: L. FORZANI; SASSO, EMANUELA; R. SCOTTO;

Weak-type inequalities for higher order Riesz–Laguerre transforms

Abstract

The aim of this paper is to study the weak type (1,1) boundedness of \(R_{\alpha}^m\), the \(m\)th Riesz-Laguerre transform, with \(m\in Z^d \geq0\), associated with the multidimensional Laguerre operator \(\mathcal L_{\alpha}\), where \(\alpha=(\alpha_1,\dots,\alpha_d)\) is a multi-index with \(\alpha_i\geq0, i=1,\dots,d\). In particular, the authors obtain the boundedness for the Riesz-Laguerre transform of order 2 and also find the sharp polynomial weight \(\omega\) that makes the Riesz-Laguerre transforms of order greater than two continuous from \(L^1(\omega d\mu_{\alpha})\) into \(L^{1,\infty}(d\mu_{\alpha})\), being \(\mu_{\alpha}\) the Laguerre measure.

Country
Italy
Keywords

Integral operators, Riesz transforms, Riesz-Laguerre transform, Special integral transforms (Legendre, Hilbert, etc.), polynomial expansion, multidimensional Laguerre operator, Analysis, Riesz operators; eigenvalue distributions; approximation numbers, \(s\)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators, weak-type (1,1) boundedness

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Top 10%
Top 10%
Average
hybrid