Classical Banach-Lie Algebras and Banach-Lie Groups of Operators in Hilbert Space

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285 Pierre de la Harpe University of Warwick, Coventry/England

Classical Banach-LieAlgebras and Banach-Lie Groups of Operators in Hilbert Space

Springer-Verlag Berlin. Heidelberg . NewYork 1972

AMS Subject Classifications (1970): Primary: 17 B65 Secondary: 22E65, 17B20, 17B45, 18H25, 22E60

ISBN 3-540-05984-9 Springer-Verlag Berlin • Heidelberg • New York ISBN 0-387-05984-9 Springer-Verlag New York - Heidelberg. Berlin This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks. Under § 54 of the German Copyright Law where copies are made for other than private use, a fee is payable to the publisher, the amount of the fee to be determined by agreement with the publisher. © by Springer-Verlag Berlin • Heidelberg 1972. Library of Congress Catalog Card Number 72-88729. Printed in Germany. Offsetdruck: Julius Beltz, Hemsbach/Bergstr.

Contents

0. I n t r o d u c t i o n

. . . . . . . . . . . . . . . . . . . . . . . . .

D e t a i l e d table

of contents

. . . . . . . . . . . . . . . . . .

Some n o t a t i o n s and c o n v e n t i o n s

Chapter I

Classica~ groups

C h a p t e r III

IV

Examples

Bibliography

21

involutive Banach-Lie

23

a l g e b r a s and

operators . . . . . .

72

of i n f i n i t e d i m e n s i o n a l H i l b e r t spaces

. . . . . . . . . . . . . . . . .

115

On the c o h o m o l o g y of the c l a s s i c a l c o m p l e x Lie algebras

V.

. . . . . . . . . . . . . . . . . .

of bounded and compact

symmetric Chapter

16

C l a s s i c a l i n v o l u t i v e Lie a l g e b r a ~ of finite rank o p e r a t o r s

C h a p t e r II

. . . . . . . . . . . . . . . .

I

of compact

operators . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . .

134

147

INTRODUCTION

This ,work contains

three

Chapter I is devoted Lie algebras Chapter related

parts of similar

lengths.

to the study of some infinite

dimensional

of linear operators. II to that of Banach-Lie

algebras

and Banach-Lie

groups

to them.

And Chapters symmetric

spaces,

III and IV to applications cobomology

The main results this introduction. respectively

of the stable

are briefly

concerned

with various

and with some indications

classical

described

The first two sections

: infinite

dimensional

groups.

in sections

3 to 4 of

of the introduction

examples

of Banach-Lie

about the general theory

are

groups,

of Banach-Lie

groups.

I have found

it necessary

together the relevant bibliography importance

and helpful to attempt

literature.

do not appear

for our purpose

and draw

Some of the references

in the text. Those are indicated

by a

in the

of particular *

.

0.2

0.1.- Banach-Lie groups

: examples

Banach-Lie algebras and Banach-Lie groups arise naturally in many different contexts. The earliest work devoted to them seems to be one by P~rSs (191