Numerical ranges of derivations

Author:

Kyle J.

Abstract

In this paper we shall examine the relationship between the numerical range of aninner derivation, and that of its implementing element.Much of this paper is taken from the author's doctoral thesis (5) written at theUniversity of Newcastle upon Tyne with the helpful guidance of Professor B. E.Johnson. The author also acknowledges the financial support of the Science ResearchCouncil during the period of this research.

Publisher

Cambridge University Press (CUP)

Subject

General Mathematics

Reference8 articles.

1. Complete Normed Algebras

2. Spectra of derivations

3. Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras

4. (5) Kyle J. , Norms, spectra and numerical ranges of derivations, Ph.D. thesis (University of Newcastle upon Tyne, 1976).

5. Linear operator equations

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