ISBN-10:
0521079888
ISBN-13:
9780521079884
Pub. Date:
03/02/1971
Publisher:
Cambridge University Press
Numerical Ranges of Operators on Normed Spaces and of Elements of Normed Algebras

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

by F F Bonsall, J Duncan, N J Hitchin

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Overview

The theory of the numerical range of a linear operator on an arbitrary normed space had its beginnings around 1960, and during the 1970s the subject has developed and expanded rapidly. This book presents a self-contained exposition of the subject as a whole. The authors develop various applications, in particular to the study of Banach algebras where the numerical range provides an important link between the algebraic and metric structures.

Product Details

ISBN-13: 9780521079884
Publisher: Cambridge University Press
Publication date: 03/02/1971
Series: London Mathematical Society Lecture Note Series , #2
Pages: 148
Product dimensions: 5.98(w) x 9.02(h) x 0.35(d)

Table of Contents

1. Numerical range in unital normed algebras; 2. Hermitian elements of a complex unital Banach algebra; 3. Operators; 4. Some recent developments.

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