Editor
Eric Sonnendrücker
De´partement de Mathe´matique, Universite´Louis Pasteur,
7, rue Rene´Descartes, 67084 Strasbourg Cedex, France, e-mail:
[email protected]
Series Editor
Vladimir G. Turaev
Institut de Recherche Mathe´matique Avance´e (IRMA), Universite´Louis PasteurC.N.R.S.,
7, rue Rene´Descartes, 67084 Strasbourg Cedex, France, e-mail:
[email protected]
Mathematics Subject Classification 2000:
35-02; 35R30, 35R60, 74B99
Key words:
Partial differential equations, elasticity, waves, random media, parameter identification, inverse
problems
Printed on acid-free paper which falls within the guidelines of the ANSI
to ensure permanence and durability.
Library of Congress Cataloging-in-Publication Data
Three courses on partial differential equations / editor, Eric
Sonnendrücker.
p. cm.(IRMA lectures in mathematics and theo-
retical physics ; 4)
Includes bibliographical references.
ISBN 3-11-017958-X (alk. paper)
1. Differential equations, Partial. I. Sonnendrücker,
Eric. II. Series.
QA377.T526 2003
515.353dc22
2003062470
ISBN 3-11-017958-X
Bibliographic information published by Die Deutsche Bibliothek
Die Deutsche Bibliothek lists this publication in the Deutsche Nationalbibliografie;
detailed bibliographic data is available in the Internet athttp://dnb.ddb.de.
Copyright 2003 by Walter de Gruyter GmbH & Co. KG, 10785 Berlin.
Allrights reserved, including those of translation into foreign languages. No part of this book
may be reproduced in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from
the publisher.
Printed in Germany.
Cover design: I. Zimmermann, Freiburg.
Depicted on the cover is the Strasbourg Cathedral.
Typeset using the authors’ T
EX files: I. Zimmermann, Freiburg.
Printing and binding: Hubert & Co. GmbH & Co. KG, Göttingen.