Journal
JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS
Volume 499, Issue 2, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jmaa.2021.125061
Keywords
Bessel operator; Continuous Fourier-Bessel expansions; Hankel transform; Heat semigroup maximal operator; Riesz transform; Square function
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Funding
- National Science Centre of Poland [OPUS 2017/27/B/ST1/01623]
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This study demonstrates sharp power-weighted L-p, weak type, and restricted weak type inequalities for the heat semigroup maximal operator and Riesz transforms associated with the Bessel operator B-v in the exotic parameter range -infinity < v < 1. Furthermore, it characterizes basic mapping properties for other fundamental harmonic analysis operators, including the heat semigroup based vertical g-function and fractional integrals (Riesz potential operators) within the same framework.
We prove sharp power-weighted L-p, weak type and restricted weak type inequalities for the heat semigroup maximal operator and Riesz transforms associated with the Bessel operator B-v in the exotic range of the parameter -infinity < v < 1. Moreover, in the same framework, we characterize basic mapping properties for other fundamental harmonic analysis operators, including the heat semigroup based vertical g-function and fractional integrals (Riesz potential operators). (C) 2021 Elsevier Inc. All rights reserved.
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