Integrability properties of integral transforms via morrey spaces

Author:

Samko Natasha12

Affiliation:

1. UiT The Arctic University of Norway , PO Box 385, 8505 , Narvik , Norway

2. SFedU Regional Mathematical Center of Southern Federal University Bolshaya Sadovaya , 105/42, 344006 , Rostov-on-Don , Russia

Abstract

Abstract We show that integrability properties of integral transforms with kernel depending on the product of arguments (which include in particular, popular Laplace, Hankel, Mittag-Leffler transforms and various others) are better described in terms of Morrey spaces than in terms of Lebesgue spaces. Mapping properties of integral transforms of such a type in Lebesgue spaces, including weight setting, are known. We discover that local weighted Morrey and complementary Morrey spaces are very appropriate spaces for describing integrability properties of such transforms. More precisely, we show that under certain natural assumptions on the kernel, transforms under consideration act from local weighted Morrey space to a weighted complementary Morrey space and vice versa, where an interplay between behavior of functions and their transforms at the origin and infinity is transparent. In case of multidimensional integral transforms, for this goal we introduce and use anisotropic mixed norm Morrey and complementary Morrey spaces.

Publisher

Walter de Gruyter GmbH

Subject

Applied Mathematics,Analysis

Reference48 articles.

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