Vector-valued extensions of operators through multilinear limited range extrapolation

Abstract

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.

21 pages. Minor modifications

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Cited by in corpus (4)

• Quantitative estimates and extrapolation for multilinear weight classes
• Extrapolation in general quasi-Banach function spaces
• Euclidean structures and operator theory in Banach spaces
• Sparse domination implies vector-valued sparse domination