Martingales and Stochastic Analysis
SERIES ON MULTIVARIATE ANALYSIS Editor: M M Rao
Forthcoming Vol. 2: Mathematical ...
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Martingales and Stochastic Analysis
SERIES ON MULTIVARIATE ANALYSIS Editor: M M Rao
Forthcoming Vol. 2: Mathematical Methods on Sample Surveys H. F- Tucker
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Analysis Vol. 1 —
MARTINGALES AND
STOCHASTIC ANALYSIS J.Yeh Department oj Mathematics University oj California, Irvine
World Scientific
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Published by by Published World Scientific Publishing Co. Pte. Ltd. Fatrer Road, Singapore 912805 P O Box 128, Fairer USA office: office: Suite Suite IB, IB, 1060 1060 Main Main Street, Street, River River Edge, Edge, NJ NJ 07661 07661 USA UK office: office: 57 Shelton Street, Covent Garden, London WC2H 9HE UK
Library of of Congress Congress Cataloging-in-Publication Cataloging-in-Publication Data Data Library Yeh, James. Martingales and stochastic analysis / James Yeh. vol. 1) 1) p. cm. -- (Series on multivariate analysis ; vol. Includes bibliographical references and index. ISBN 981022477X 1. Martingales (Mathematics) 2. Stochastic analysis. II. Series. QA274.5.Y44 1995 519.2'87-dc20
I. Title. 95-42874 CIP
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Preface This monograph is an introduction to martingales and stochastic analysis assuming only real analysis and some basic concepts in probability theory. Stochastic independence, con ditional expectation, and regular conditional probability are included in the appendix. In writing this monograph I strove for clarity and precision at the cost of concision. Details of proofs are worked out for readability and for reference. Chapter 1 begins with a collection of theorems concerning