New local T 1 theorems on non-homogeneous spaces
We develop new local T1 theorems to characterize Calder'on-Zygmund operators that extend boundedly or compactly on Lp(Rn, µ), with µ a measure of power growth. The results, whose proofs do not require random grids, have weaker hypotheses than previously known local T1 theorems since they only r...
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| Tipo de recurso: | artículo |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Universitat Autònoma de Barcelona |
| Repositorio: | Dipòsit Digital de Documents de la UAB |
| Idioma: | inglés |
| OAI Identifier: | oai:ddd.uab.cat:295042 |
| Acceso en línea: | https://ddd.uab.cat/record/295042 |
| Access Level: | acceso abierto |
| Palabra clave: | Calderón-Zygmund operator Compact operator Non-doubling radon measures Cauchy integral |
| Sumario: | We develop new local T1 theorems to characterize Calder'on-Zygmund operators that extend boundedly or compactly on Lp(Rn, µ), with µ a measure of power growth. The results, whose proofs do not require random grids, have weaker hypotheses than previously known local T1 theorems since they only require a countable collection of testing functions. Moreover, a further extension of this work allows the use of testing functions supported on cubes of different dimensions. As a corollary, we describe the measures µ of the complex plane for which the Cauchy integral defines a compact operator on Lp(C, µ). |
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