Hostname: page-component-78c5997874-4rdpn Total loading time: 0 Render date: 2024-11-10T16:32:02.901Z Has data issue: false hasContentIssue false

On an equivalent class of norms for BMO

Published online by Cambridge University Press:  09 April 2009

Yong-Zhuo Chen
Affiliation:
Department of Mathematics and Statistics, Bowling Green State University, Bowling Green, Ohio 43403, U.S.A.
Ka-Sing Lau
Affiliation:
Department of Mathematics and Statistics, Bowling Green State University, Bowling Green, Ohio 43403, U.S.A.
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The BMO norm of f is equivalent to where Pt is the Poisson kernel. In this note, we show that Pt can be replaced by a nonnegative radial function h, which is positive in a neighbourhood of 0, with and , where h is the least decreasing radial majorant of h.

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1989

References

[1]Chen, Y. Z. and Lau, K. S., ‘Wiener transformation on functions with bounded means’, submitted.Google Scholar
[2]Chen, Y. Z. and Lau, K. S., ‘Some new classes of Hardy spaces’, J. Funct. Anal., to appear.Google Scholar
[3]Garnett, J. B., Bounded analytic functions (Academic Press, New York, 1981).Google Scholar
[4]Lau, K. S. and Lee, J., ‘On generalized harmonic analysis’, Trans. Amer. Math. Soc. 259 (1980), 7597.CrossRefGoogle Scholar