Vector-valued extensions of operators through multilinear limited range extrapolation

Fuente: arXiv
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Main Authors: Lorist, Emiel, Nieraeth, Zoe
Format: Preprint
Published: 2017
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author Lorist, Emiel
Nieraeth, Zoe
author_facet Lorist, Emiel
Nieraeth, Zoe
contents We give an extension of Rubio de Francia's extrapolation theorem for functions taking values in UMD Banach function spaces to the multilinear limited range setting. In particular we show how boundedness of an $m$-(sub)linear operator \[T:L^{p_1}(w_1^{p_1})\times\cdots\times L^{p_m}(w_m^{p_m})\to L^p(w^p) \] for a certain class of Muckenhoupt weights yields an extension of the operator to Bochner spaces $L^{p}(w^p;X)$ for a wide class of Banach function spaces $X$, which includes certain Lebesgue, Lorentz and Orlicz spaces. We apply the extrapolation result to various operators, which yields new vector-valued bounds. Our examples include the bilinear Hilbert transform, certain Fourier multipliers and various operators satisfying sparse domination results.
format Preprint
id arxiv_https___arxiv_org_abs_1712_08157
institution arXiv
publishDate 2017
record_format arxiv
spellingShingle Vector-valued extensions of operators through multilinear limited range extrapolation
Lorist, Emiel
Nieraeth, Zoe
Classical Analysis and ODEs
42B25, Secondary: 42B15, 46E30
We give an extension of Rubio de Francia's extrapolation theorem for functions taking values in UMD Banach function spaces to the multilinear limited range setting. In particular we show how boundedness of an $m$-(sub)linear operator \[T:L^{p_1}(w_1^{p_1})\times\cdots\times L^{p_m}(w_m^{p_m})\to L^p(w^p) \] for a certain class of Muckenhoupt weights yields an extension of the operator to Bochner spaces $L^{p}(w^p;X)$ for a wide class of Banach function spaces $X$, which includes certain Lebesgue, Lorentz and Orlicz spaces. We apply the extrapolation result to various operators, which yields new vector-valued bounds. Our examples include the bilinear Hilbert transform, certain Fourier multipliers and various operators satisfying sparse domination results.
title Vector-valued extensions of operators through multilinear limited range extrapolation
topic Classical Analysis and ODEs
42B25, Secondary: 42B15, 46E30
url https://arxiv.org/abs/1712.08157