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Published in 2021 at "Journal of Fourier Analysis and Applications"
DOI: 10.1007/s00041-021-09896-1
Abstract: We study the problem of an appropriate choice of derivatives associated with discrete Fourier-Bessel expansions. We introduce a new so-called essential measure Fourier-Bessel setting, where the relevant derivative is simply the ordinary derivative. Then we…
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Keywords:
derivatives riesz;
fourier bessel;
bessel expansions;
sobolev spaces ... See more keywords
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Published in 2019 at "Mathematische Zeitschrift"
DOI: 10.1007/s00209-019-02416-4
Abstract: In this paper, we prove the sharp weighted bound for certain singular integrals which have non-smooth kernels and do not belong to the class of standard Calderón–Zygmund operators. Our assumptions are weaker than those known…
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Keywords:
integrals non;
singular integrals;
smooth kernels;
non smooth ... See more keywords
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Published in 2018 at "Journal of Mathematical Sciences"
DOI: 10.1007/s10958-018-3698-z
Abstract: Let X be a Banach lattice of measurable functions on ℝn × Ω having the Fatou property. We show that the boundedness of all Riesz transforms Rj in X is equivalent to the boundedness of…
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Keywords:
measurable functions;
boundedness riesz;
riesz transforms;
boundedness ... See more keywords
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1
Published in 2017 at "Integral Transforms and Special Functions"
DOI: 10.1080/10652469.2017.1358713
Abstract: ABSTRACT In this paper we study the Riesz transforms related to the Weinstein operators . We develop for a theory that runs parallel to the one for the Euclidean Riesz Transform. It is proved that…
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Keywords:
transforms weinstein;
weinstein operator;
riesz;
riesz transforms ... See more keywords
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Published in 2017 at "Canadian Mathematical Bulletin"
DOI: 10.4153/cmb-2017-033-9
Abstract: Abstract This paper provides a constructive proof of the weak factorization of the classical Hardy space ${{H}^{1}}({{\mathbb{R}}^{n}})$ in terms of multilinear Riesz transforms. As a direct application, we obtain a new proof of the characterization…
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Keywords:
multilinear riesz;
hardy space;
riesz transforms;
terms multilinear ... See more keywords