Abstract
In this paper, we study the weighted bounds for the singular integrals with variable kernels. Let \(T_\Omega \) be the singular integral operator with variable kernel and \(T_\Omega ^\star \) be the associated maximal singular integral operator. More precisely, we first obtain the quantitative weighted bounds that depend on some variants of the \(A_p\) constant of w for the maximal singular integral \(T_\Omega ^{\star }\) and it’s commutator. Let \(T_\Omega ^{*}\) be the adjoint of \(T_\Omega \) and let \(T_\Omega ^{\sharp }\) be the pseudo-adjoint of \(T_\Omega \). Secondly, we get some quantitative weighted bounds for these singular integral operators with the fractional differentiation operator \(D^{\gamma }(0<\gamma \le 1)\).
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The authors would like to express their deep gratitude to the referees for giving many valuable comments and suggestions.
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The project was in part supported by: Yanping Chen’s National Natural Science Foundation of China (# 11871096, # 11471033).
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Wang, T., Chen, Y. Quantitative weighted bounds for singular integrals and fractional differentiations. Anal.Math.Phys. 12, 58 (2022). https://doi.org/10.1007/s13324-022-00672-y
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DOI: https://doi.org/10.1007/s13324-022-00672-y
Keywords
- Quantitative weighted bounds
- Maximal singular integral operator
- Variable kernel
- Fractional differentiations