Topological Vector Spaces II

In the preface to Volume One I promised a second volume which would contain the theory of linear mappings and special classes of spaces im­ portant in analysis. It took me nearly twenty years to fulfill this promise, at least to some extent. To the six ch

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Editors

S.S. Chern J.L. Doob J. Douglas, jr. A. Grothendieck E. Heinz F. Hirzebruch E. Hopf S. Mac Lane W. Magnus M.M. Postnikov W. Schmidt D.S. Scott K. Stein J. Tits RL. van der Waerden Managing Editors

R Eckmann J.K. Moser

Gottfried Kothe

Topological Vector Spaces II

Springer-Verlag New York Heidelberg

Berlin

Gottfried Kothe Institut fUr Angewandte Mathematik der Johann-Wolfgang-Goethe Universitiit Frankfurt am Main Federal Republic of Germany

AMS Subject Oassification (1980): 46-02,46 Axx, 46 Bxx, 46 Cxx, 46 Exx

Library of Congress Cataloging in Publication Data Kothe, Gottfried, 1905Topological vector spaces. (Grundlehren der mathematischen Wissenschaften 159,237) Translation of Topologische lineare Riiume. Bibliography: p. 1. Linear topological spaces. I. Title. II. Series. QA322.K623 515'.73 78-84831

With 2 illustrations. All rights reserved. No part of this book may be translated or reproduced in any form without written permission from Springer-Verlag.

© 1979 by Springer-Verlag New York Inc. 9 8 7 6 543 2 1 ISBN 978-1-4684-9411-2 ISBN 978-1-4684-9409-9 (eBook) DOI 10.1007/978-1-4684-9409-9

Preface In the preface to Volume One I promised a second volume which would contain the theory of linear mappings and special classes of spaces important in analysis. It took me nearly twenty years to fulfill this promise, at least to some extent. To the six chapters of Volume One I added two new chapters, one on linear mappings and duality (Chapter Seven), the second on spaces of linear mappings (Chapter Eight). A glance at the Contents and the short introductions to the two new chapters will give a fair impression of the material included in this volume. I regret that I had to give up my intention to write a third chapter on nuclear spaces. It seemed impossible to include the recent deep results in this field without creating a great further delay. A substantial part of this book grew out of lectures I held at the Mathematics Department of the University of Maryland· during the academic years 1963-1964, 1967-1968, and 1971-1972. I would like to express my gratitude to my colleagues J. BRACE, S. GOLDBERG, J. HORVATH, and G. MALTESE for many stimulating and helpful discussions during these years. I am particularly indebted to H. JARCHOW (Ziirich) and D. KEIM (Frankfurt) for many suggestions and corrections. Both have read the whole manuscript. N. ADASCH (Frankfurt), V. EBERHARDT (Miinchen), H. MEISE (Diisseldorf), and R. HOLLSTEIN (Paderborn) helped with important observations. Frankfurt, August 1979

G. KOTHE

Contents of Vol. II

CHAPTER SEVEN

Linear Mappings and Duality §32. Homomorphisms of locally convex spaces. . . . . . . . . . . 1. 2. 3. 4. 5.

1

Weak continuity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Weak homomorphisms........................................ The homomorphism theorem .................................. Further results on