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Sharp inequalities for maximal functions associated with general measures

Published online by Cambridge University Press:  14 November 2011

L. Grafakos
Affiliation:
Department of Mathematics, University of Missouri, Columbia, MO 65203, U.S.A. E-mail: loukas@math.missouri.edu
J. Kinnunen
Affiliation:
Department of Mathematics, P.O. Box 4, FIN-00014University of Helsinki, Finland E-mail: Juha.Kinnunen@Helsinki.Fi

Abstract

Sharp weak type (1,1) and Lp estimates in dimension one are obtained for uncentred maximal functions associated with Borel measures which do not necessarily satisfy a doubling condition. In higher dimensions, uncentred maximal functions fail to satisfy such estimates. Analogous results for centred maximal functions are given in all dimensions.

Type
Research Article
Copyright
Copyright © Royal Society of Edinburgh 1998

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