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Search: All articles in the CJM digital archive with keyword integral operator

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1. CJM Online first

Guo, Xiaoli; Hu, Guoen
 On the commutators of singular integral operators with rough convolution kernels Let $T_{\Omega}$ be the singular integral operator with kernel $\frac{\Omega(x)}{|x|^n}$, where $\Omega$ is homogeneous of degree zero, has mean value zero and belongs to $L^q(S^{n-1})$ for some $q\in (1,\,\infty]$. In this paper, the authors establish the compactness on weighted $L^p$ spaces, and the Morrey spaces, for the commutator generated by $\operatorname{CMO}(\mathbb{R}^n)$ function and $T_{\Omega}$. The associated maximal operator and the discrete maximal operator are also considered. Keywords:commutator, singular integral operator, compact operator, completely continuous operator, maximal operator, Morrey spaceCategories:42B20, 47B07

2. CJM 2008 (vol 60 pp. 241)

Alexandrova, Ivana
 Semi-Classical Wavefront Set and Fourier Integral Operators Here we define and prove some properties of the semi-classical wavefront set. We also define and study semi-classical Fourier integral operators and prove a generalization of Egorov's theorem to manifolds of different dimensions. Keywords:wavefront set, Fourier integral operators, Egorov theorem, semi-classical analysisCategories:35S30, 35A27, 58J40, 81Q20
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