On the Compactness of Integral Operators with Homogeneous Kernels in Local Morrey Spaces

In local Morrey spaces, we consider an operator that is the product of a multidimensional integral operator by operators of multiplication by essentially bounded functions. At the same time, we assume that the kernel of the integral operator is homogeneous of degree $$(-n)$$ and invariant under all rotations. Sufficient conditions are obtained for the compactness of such an operator. We also study the compactness of an operator with homogeneous kernel and bounded characteristic.

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Publication Details

Journal
Mathematical Notes
Published
2024-10-01
DOI
https://doi.org/10.1134/s0001434624090013
Citations
1
Primary Topic
Advanced Harmonic Analysis Research
Type
article
Field-Weighted Citation Impact
0.97
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article

On the Compactness of Integral Operators with Homogeneous Kernels in Local Morrey Spaces

O. G. Avsyankin, Sergey S. Ashikhmin
1 citations
Mathematical Notes
Advanced Harmonic Analysis Research
0.97
article

On the Compactness of Integral Operators with Homogeneous Kernels in Local Morrey Spaces

O. G. Avsyankin, Sergey S. Ashikhmin
article en
1 citations

Abstract

In local Morrey spaces, we consider an operator that is the product of a multidimensional integral operator by operators of multiplication by essentially bounded functions. At the same time, we assume that the kernel of the integral operator is homogeneous of degree $$(-n)$$ and invariant under all rotations. Sufficient conditions are obtained for the compactness of such an operator. We also study the compactness of an operator with homogeneous kernel and bounded characteristic.

Mathematical NotesVol. 116(3-4)
Southern Federal University (RU)
Openalex Percentile: Top 21%
Advanced Harmonic Analysis Research
0.97
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