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Two-weight weak and extra-weak type inequalities for the one-sided maximal operator

Published online by Cambridge University Press:  14 November 2011

Pedro Ortega Salvador
Affiliation:
Análisis Matemático, Facultad de Ciencias, Universidad de Málaga, Campus de Teatinos, 29–71 Malaga, Spain
Luboš Pick
Affiliation:
School of Mathematics, University of Wales College of Cardiff, Senghennydd Road, Cardiff CF2 4AG, U.K.

Synopsis

Let be the one-sided maximal operator and let Ф be a convex non-decreasing function on (0, ∞), Ф(0) = 0. We present necessary and sufficient conditions on a couple of weight functions (σ, ϱ) such that the integral inqualities of weak type

and of extra-weak type

hold. Our proofs do not refer to the theory of Orlicz spaces.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1993

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