文档介绍：Lecture Notes in Mathematics1837Editors:J.--M. Morel, CachanF. Takens, GroningenB. Teissier, Paris3BerlinHeidelbergNew YorkHong KongLondonMilanParisTokyoSimon Tavar′e Ofer ZeitouniLectures onProbability Theoryand StatisticsEcole d’Et′edeProbabilit′esde Saint-Flour XXXI -2001Editor: Jean Picard13AuthorsSimon Tavar′eProgram in Molecular putational BiologyDepartment of Biological SciencesUniversity of Southern CaliforniaLos Angeles,CA 90089-1340USAe-mail: ******@ ZeitouniDepartments of Electrical Engineeringand of MathematicsTechnion - Israel Institute of TechnologyHaifa32000, IsraelandDepartment of MathematicsUniversity of Minnesota206Church St. SEMinneapolis,MN55455USAe-mail: ******@.******@ PicardLaboratoire de Math′ematiques Appliqu′RS6620Universit′e Blaise Pascal Clermont-Ferrand63177Aubi`ere Cedex, Francee-mail: Jean.******@- illustration: Blaise Pascal (1623-1662)Cataloging-in-Publication Data applied forBibliographic information published by Die Deutsche BibliothekDie Deutsche Bibliothek lists this publication in the Deutsche Nationalbibliografie;detailed bibliographic data is available in the at Subject Classification (2001):60-01, 60-06, 62-01, 62-06, 92D10, 60K37, 60F05, 60F10ISSN0075-8434Lecture Notes in MathematicsISSN0721-5363Ecole d’Et′e des Probabilits de St. FlourISBN3-540-20832-1Springer-Verlag Berlin Heidelberg NewYorkThis work is subject to copyright. All rights are reserved, whether the whole or part of the material isconcerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting,reproductiononmicrofilmorinanyotherway,,1965,in its current version, and permission for use must always be obtained fromSpringer-Verlag. Violations areliable for prosecution under the