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Isometric multiplication of Hardy-Orlicz spaces

Published online by Cambridge University Press:  17 April 2009

W. Deeb
Affiliation:
Department of Mathematics Kuwait, University Kuwait.
R. Khalil
Affiliation:
Department of Mathematics Kuwait, University Kuwait.
M. Marzuq
Affiliation:
Department of Mathematics Kuwait, University Kuwait.
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Abstract

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For a modulus function φ, we define the Hardy-Orlicz space H (φ). Two main questions are discussed in this paper. First, when is a linear map mg: H (φ) → H (φ), mg (f) = g.f an isometry? Second, when is H (φ) = H1?

Type
Research Article
Copyright
Copyright © Australian Mathematical Society 1986

References

[1]Diestel, J. and Uhl, J. R., Vector measures. (Math. Surveys, 15, 1977).CrossRefGoogle Scholar
[2]Deeb, W. and Marzuq, M., “H (φ) spaces,” Bull. Canad. Math. Soc. (To appear).Google Scholar
[3]Duern, P. L., Theory of HP-spaces. (Pure and Applied Mathematics No. 38, Academic Press, New York and London 1970).Google Scholar
[4]Hasumi, M. and Rubel, L.A., “Multiplication isometries of Hardy and double Hardy spaces,” Hokkaido Math. J. 10 (1981), 221241.Google Scholar
[5]Hoffman, K., Banach spaces of analytic functions (Prentice Hall, Inc. N.J. 1962).Google Scholar
[6]Köthe, G., Topological vector spaces, (Springer-Verlag, New York, 1969).Google Scholar
[7]Romulus, C., Topological vector spaces, (Noord. Inter. Pub. Com. Netherlands, 1977).Google Scholar
[8]Leibowits, G., Lectures on complex function algebras, (Scott. Forseman/Company, 1970).Google Scholar
[9]Leśniewicz, R., “On Hardy-Orlicz spaces. I,” Commt. Math. Prace Mat. 15 (1971) 356.Google Scholar
[10]Leśniewicz, R., “On linear functionals in Hardy-Orlicz spaces. I,” Studia Math. 46 (1973) 5377.CrossRefGoogle Scholar