Proceedings of the American Mathematical Society

A counterexample to a weak-type estimate for potential spaces and tangential approach regions

Author(s): Javier Soria; Olof Svensson
Journal: Proc. Amer. Math. Soc. 133 (2005), 1093-1099.
MSC (2000): Primary 42B25, 42B20
Posted: September 16, 2004
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Abstract: We show that for every potential space $L^{1}_{K}(\mathbb{R} ^{n})$ , there exists an approach region for which the associated maximal function is of weak-type, but the boundedness for the completed region is false, which is in contrast with the nontangential case.

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Retrieve articles in Proceedings of the American Mathematical Society with MSC (2000): 42B25, 42B20

Javier Soria
Affiliation: Department of Applied Mathematics and Analysis, University of Barcelona, E-08071 Barcelona, Spain
Email: soria@mat.ub.es

Olof Svensson
Affiliation: Department of Science and Technology, Campus Norrköping, Linköping University, SE-601 74 Norrköpingweden, Sweden
Email: olosv@itn.liu.se

DOI: 10.1090/S0002-9939-04-07621-X
PII: S 0002-9939(04)07621-X
Keywords: Potential spaces, maximal functions, approach regions.
Received by editor(s): June 7, 2003
Received by editor(s) in revised form: November 26, 2003
Posted: September 16, 2004
Additional Notes: The research of the first author was partially supported by Grants BFM2001-3395 and 2001SGR00069.
Communicated by: Andreas Seeger
Copyright of article: Copyright 2004, American Mathematical Society

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