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Compact Commutators of Rough Singular Integral Operators

Published online by Cambridge University Press:  20 November 2018

Jiecheng Chen  and
Guoen Hu
Jiecheng Chen
Affiliation:
Department of Mathematics, Zhejiang Normal University, Jinhua, 321004, P. R. China. e-mail: jcchen@zjnu.edu.cn
Guoen Hu
Affiliation:
Department of Applied Mathematics, Zhengzhou Information Science and Technology Institute, P. O. Box 1001-747, Zhengzhou 450002, P. R. China. e-mail: guoenxx@163.com
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Abstract

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Let $b\,\in \,\text{BMO}\left( {{\mathbb{R}}^{n}} \right)$ and ${{T}_{\Omega }}$ be the singular integral operator with kernel $\Omega \left( x \right)/{{\left| x \right|}^{n}}$, where $\Omega$ is homogeneous of degree zero, integrable, and has mean value zero on the unit sphere ${{S}^{n-1}}$. In this paper, using Fourier transform estimates and approximation to the operator ${{T}_{\Omega }}$ by integral operators with smooth kernels, it is proved that if $b\,\in \,\text{CMO}\left( {{\mathbb{R}}^{n}} \right)$ and $\Omega$ satisfies certain minimal size condition, then the commutator generated by $b$ and ${{T}_{\Omega }}$ is a compact operator on ${{L}^{p}}\left( {{\mathbb{R}}^{n}} \right)$ for appropriate index $p$. The associated maximal operator is also considered.

Keywords

42B20commutatorsingular integral operatorcompact operatormaximal operator
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 58 , Issue 1 , 01 March 2015 , pp. 19 - 29
Copyright
Copyright © Canadian Mathematical Society 2015

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