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On a class of operators

Published online by Cambridge University Press:  18 May 2009

Youngoh Yang
Youngoh Yang
Affiliation:
Department Of Mathematics, Cheju National University, Cheju 690-756, Korea E-mail: yangyo@cheju.cheju.ac.kr
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Abstract

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In this paper we show that the Weyl spectrum of an operator of class W satisfies the spectral mapping theorem for analytic functions and give the equivalent conditions for an operator of the form normal + compact to be polynomially compact.

Information

Type
Research Article
Information
Glasgow Mathematical Journal , Volume 40 , Issue 2 , May 1998, pp. 237 - 240
Copyright
Copyright © Glasgow Mathematical Journal Trust 1998

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