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Introduction to finite fields and their applications. (English) Zbl 0629.12016
Cambridge etc.: Cambridge University Press. VIII, 407 p.; £20.00 (1986).
This book is designed as a textbook edition of our monograph “Finite fields” [Encycl. Math. Appl. 20 (1983; Zbl 0554.12010)]. General changes have been made in order to tailor the book to the needs of the student. The historical and bibliographical notes at the end of each chapter and the long bibliography have been omitted as they are mainly of interest to researchers. There are also changes in the text proper, with the present book having an even stronger emphasis on applications.
The increasingly important role of finite fields in cryptology is reflected by a new chapter on this topic. There is now a separate chapter on algebraic coding theory containing material from the original edition together with a new section on Goppa codes. New material on pseudorandom sequences has also been added.
On the other hand, topics in the original edition that are mainly of theoretical interest have been omitted. Thus, a large part of the material on exponential sums and the chapters on equations over finite fields and on permutation polynomials cannot be found in the present volume.

MSC:
11Txx Finite fields and commutative rings (number-theoretic aspects)
94A60 Cryptography
94B40 Arithmetic codes
12-01 Introductory exposition (textbooks, tutorial papers, etc.) pertaining to field theory