Affiliation:
1. Fraunhofer Institute of Optronics System Technologies and Image Exploitation IOSB, Department Object Recognition, Gutleuthausstr. 1 Ettlingen Germany
2. Departamento de Matemáticas Facultad de Matemáticas Universidad de Murcia Campus de Espinardo Espinardo Murcia Spain
Abstract
AbstractWe consider Lorentz–Karamata spaces, small and grand Lorentz–Karamata spaces, and the so‐called , , , , , and spaces. The quasi‐norms for a function f in each of these spaces can be defined via the nonincreasing rearrangement or via the maximal function . We investigate when these quasi‐norms are equivalent. Most of the proofs are based on Hardy‐type inequalities. As an application, we demonstrate how our general results can be used to establish interpolation formulae for grand and small Lorentz–Karamata spaces.
Funder
Ministerio de Ciencia e Innovación
Cited by
1 articles.
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