Abstract
In this paper we prove \(L^p\) estimates for Stein’s square functions associated with Fourier–Bessel expansions. Furthermore, we prove transference results for square functions from Fourier–Bessel series to Hankel transforms. Actually, these are transference results for vector-valued multipliers from discrete to continuous in the Bessel setting. As a consequence, we deduce the sharpness of the range of p for the \(L^p\)-boundedness of Fourier–Bessel Stein’s square functions from the corresponding property for Hankel–Stein square functions. Finally, we deduce \(L^p\) estimates for Fourier–Bessel multipliers from that ones we have got for our Stein square functions.
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We would like to express our gratitude to the referee for his/her comments. The authors are partially supported by PID2019-106093GB-I00.
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Almeida, V., Betancor, J.J., Dalmasso, E. et al. \(L^p\)-Boundedness of Stein’s Square Functions Associated with Fourier–Bessel Expansions. Mediterr. J. Math. 18, 177 (2021). https://doi.org/10.1007/s00009-021-01800-x
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DOI: https://doi.org/10.1007/s00009-021-01800-x