We investigate fractional operators with homogeneous kernel in Morrey spaces. In particular, we prove that fractional integral operators and fractional maximal operators with homogeneous kernel are bounded from the Calderón product of Morrey spaces to certain Morrey spaces. Our results can be seen as a generalization of a recent result on the relation between the boundedness of (classical) fractional operators and interpolation of Morrey spaces. What is new about this paper is not only the passage from the classical fractional integral operators to the rough integral operators. Even the case of fractional integral operators, handled in earlier papers, is significantly simplified.

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Volume297, Issue9

September 2024

Pages 3567-3573

Fractional operators with homogeneous kernel on the Calderón product of Morrey spaces

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Fractional operators with homogeneous kernel on the Calderón product of Morrey spaces

Abstract

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