Extrapolation in general quasi-Banach function spaces
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arXiv
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| Format: | Preprint |
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2022
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| _version_ | 1866929499296235520 |
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| author | Nieraeth, Zoe |
| author_facet | Nieraeth, Zoe |
| contents | In this paper we prove off-diagonal, limited range, multilinear, vector-valued, and two-weight versions of the Rubio de Francia extrapolation theorem in general quasi-Banach function spaces. We prove mapping properties of the generalization of the Hardy-Littlewood maximal operator to very general bases that includes a method to obtain self-improvement results that are sharp with respect to its operator norm. Furthermore, we prove bounds for the Hardy-Littlewood maximal operator in weighted Lorentz, variable Lebesgue, and Morrey spaces, and recover and extend several extrapolation theorems in the literature. Finally, we provide an application of our results to the Riesz potential and the Bilinear Hilbert transform. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2211_03458 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Extrapolation in general quasi-Banach function spaces Nieraeth, Zoe Classical Analysis and ODEs Functional Analysis 42B25 (Primary), 46E30 (Secondary) In this paper we prove off-diagonal, limited range, multilinear, vector-valued, and two-weight versions of the Rubio de Francia extrapolation theorem in general quasi-Banach function spaces. We prove mapping properties of the generalization of the Hardy-Littlewood maximal operator to very general bases that includes a method to obtain self-improvement results that are sharp with respect to its operator norm. Furthermore, we prove bounds for the Hardy-Littlewood maximal operator in weighted Lorentz, variable Lebesgue, and Morrey spaces, and recover and extend several extrapolation theorems in the literature. Finally, we provide an application of our results to the Riesz potential and the Bilinear Hilbert transform. |
| title | Extrapolation in general quasi-Banach function spaces |
| topic | Classical Analysis and ODEs Functional Analysis 42B25 (Primary), 46E30 (Secondary) |
| url | https://arxiv.org/abs/2211.03458 |