文档介绍：123J rgen JostS urfacesü An Introduction toContemporary MathematicsThird EditionC omp act Riemann With 23 FiguresISBN-13This work is subject to copyright. All rights are reserved, whether the whole or part of the materialis concerned, speci?cally the rights of translation, reprinting, reuse of illustrations, recitation,broadcasting, reproduction on micro?lm or in any other way, and storage in data banks. Dupli-cation of this publication or parts thereof is permitted only under the provisions of the GermanCopyright Lawof September 9, 1965, in its current version, and permission for use must always beobtained fromSpringer. Violations are liable for prosecution under the German Copyright is a part of Springer Science+Business MediaPrintedinGermanyThe use of general descriptive names, registerednames, trademarks, etc. in this publication doesnot imply, eveninthe absence of a speci?c statement, that such namesare exempt fromthe relevantprotective laws and regulations and therefore free for general design: Erich Kirchner, Heidelbergusing a Springer LATEX macro packagePrinted on acid-free paper41/sz - 5 4 3 2 1 0ISBN-10Springer Berlin Heidelberg New ?Springer-Verlag Berlin Heidelberg2006Typesetting by the author and SPI Publisher ServicesJ rgen Jost04103 LeipzigGermanye-mail:******@ of Congress Control Number:20069245613-540-33065-8978-3-540-33065-3Springer Berlin Heidelberg New York11689881üMax Planck Institute for Mathematics in the SciencesInselstr. 22Mathematics Subject Classi?cation (2000):30F10, 30F45, 30F60, 58E20, 14H55Dedicated to the memory of my fatherPrefaceThe present book started from a set of lecture notes for a course taught to stu-dents at an intermediate level in the German system (roughly correspondingto the beginning graduate student level in the US) in the winter term 86/87in Bochum. The original manuscript has been thoroughly reworked severaltimes although its essential aim has not been , ma