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Hyponormal operators on uniformly smooth spaces

Part of: General theory of linear operators

Published online by Cambridge University Press:  09 April 2009

Muneo Chō
Muneo Chō
Affiliation:
Joetsu University of Education Joetsu, Niigata 943, Japan
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Abstract

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In this paper we will characterize the spectrum of a hyponormal operator and the joint spectrum of a doubly commuting n-tuple of strongly hyponormal operators on a uniformly smooth space. We also describe some applications of these results.

MSC classification

Secondary: 47A12: Numerical range, numerical radius
Type
Research Article
Information
Journal of the Australian Mathematical Society , Volume 50 , Issue 1 , February 1991 , pp. 150 - 159
Copyright
Copyright © Australian Mathematical Society 1991

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