Hostname: page-component-76fb5796d-5g6vh Total loading time: 0 Render date: 2024-04-26T19:57:51.778Z Has data issue: false hasContentIssue false

An Lp Version of the Hardy Theorem for Motion Groups

Published online by Cambridge University Press:  09 April 2009

Masaaki Eguchi
Affiliation:
Faculty of Integrated Arts and Sciences Hiroshima UniversityKagamiyama 1-7-1 Higashi-Hiroshima, 739-8521Japan e-mail: eguchi@humpty.mis.hiroshima-u.ac.jp
Shin Koizumi
Affiliation:
Onomichi Junior CollegeHisayamada 1600 Onomichi, 722-8506, Japan
Keisaku Kimahara
Affiliation:
The University of the Air2-11 Wakaba, Mihama-ku Chiba, 261-8586Japan e-mail: kimahara@u-air.ac.jp
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.

We describe a generalization of the Hardy theorem on the motion group. We prove that for some weight functions νω growing very rapidly and a measurable function f, the finiteness of the Lp-norm of vf and the Lq-norm of ωf implies f=0 (almost everywhere).

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 2000

References

[1]Amrein, W. O. and Berthier, A., ‘On support properties of Lp -functions and their Fourier transforms’, J. Funct. Anal. 24 (1977), 258267.CrossRefGoogle Scholar
[2]Cowling, M. G. and Price, J. F., Generalizations of Heisenberg's inequalify, Lecture Notes in Math. 992 (Springer, Berlin, 1983) pp. 443449.Google Scholar
[3]Dym, H. and McKean, H. P., Fourier series and integral (Academic Press, New York, 1972).Google Scholar
[4]Eguchi, M., Koizumi, S. and Kumahara, K., ‘An analogue of the Hardy theorem for the Cartan motion group’, Proc. Japan Acad. 74 (1998), 149151.Google Scholar
[5]Eguchi, M., Kumahara, K. and Muta, Y., ‘A subspace of Schwartz space on motion group’, Hiroshima Math. J. 10 (1980), 691698.CrossRefGoogle Scholar
[6]Kumahara, K., ‘Fourier transforms on the motion groups’, J. Math. Soc. Japan. 26 (1976), 1832.Google Scholar
[7]Sitaram, A. and Sundari, M., ‘An analogue of Hardy's theorem for very rapidly decreasing functions on semi-simple Lie groups’, Pacific J. Math. 177 (1997), 187200.CrossRefGoogle Scholar
[8]Sundari, M., ‘Hardy's theorem for the n-dimensional Euclidean motion group’, Proc. Amer Math. Soc. 126 (1998), 11991204.CrossRefGoogle Scholar
[9]Warner, G., Harmonic analysis on semi-simple Lie groups, vol. I (Springer, New York, 1972).Google Scholar