Preservation of certain vanishing properties of generalized Morrey spaces by some classical operators

Alabalik, Aysegul C.; Almeida, Alexandre; Samko, Stefan

http://hdl.handle.net/10400.1/16573

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Authors

Alabalik, Aysegul C.

Almeida, Alexandre

Samko, Stefan

Abstract(s)

We show that certain vanishing properties defining closed subspaces of generalized Morrey spaces are preserved under the action of various classical operators of harmonic analysis, such as maximal operators, singular-type operators, Hardy operators, and fractional integral operators. Those vanishing subspaces were recently used to deal with the delicate problem on the description of the closure of nice functions in Morrey norm.