Expository Lecture s from th e CBM S Regional Conferenc e held a t th e Universit y o f Georgi a May 7-12, 197 9 1980 Mathematics Subject Classification. Primar y 14H40 , 14-02 , 32G99 , 32-02 . Library of Congres s Cataloging in Publication Data Griffiths, Phillip , 1938 - An introduction t o th e theory o f specia l divisor s o n algebraic curves. (Regional conferenc e serie s in mathematics no. 44) Bibliography: p . 1. Curves , Algebraic. 2 . Diviso r theory. I . Title . II . Series . QAl.R33no.44 [QA565 ] 510 s [516.3'5 ] 80-1641 5 ISBN 0-8218-1694- 2 Copyright © 198 0 b y th e America n Mathematica l Societ y Printed i n th e Unite d State s o f Americ a All tights reserved except those granted to the United States Government This boo k ma y no t b e reproduce d i n an y for m withou t permissio n o f th e publishers .

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