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Library | Item Barcode | Call Number | Material Type | Item Category 1 | Status |
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Searching... | 30000010148874 | QA268 T66 2007 | Open Access Book | Book | Searching... |
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Summary
Summary
The theory of algebraic function fields over finite fields has its origins in number theory. However, after Goppa`s discovery of algebraic geometry codes around 1980, many applications of function fields were found in different areas of mathematics and information theory, such as coding theory, sphere packings and lattices, sequence design, and cryptography. The use of function fields often led to better results than those of classical approaches.
This book presents survey articles on some of these new developments. Most of the material is directly related to the interaction between function fields and their various applications; in particular the structure and the number of rational places of function fields are of great significance. The topics focus on material which has not yet been presented in other books or survey articles. Wherever applications are pointed out, a special effort has been made to present some background concerning their use.
Table of Contents
Foreword | p. vii |
1 Explicit Towers of Function Fields over Finite Fields | p. 1 |
1 Introduction | p. 1 |
2 Towers and Codes | p. 5 |
3 Genus and Splitting Rate of a Tower | p. 16 |
4 Explicit Tame Towers | p. 24 |
5 Explicit Wild Towers | p. 31 |
6 Miscellaneous Results | p. 47 |
References | p. 55 |
2 Function Fields over Finite Fields and Their Applications to Cryptography | p. 59 |
1 Introduction | p. 59 |
2 Applications to Combinatorial Cryptography | p. 60 |
3 Applications to Stream Ciphers and Linear Complexity | p. 89 |
References | p. 99 |
3 Artin-Schreier Extensions and Their Applications | p. 105 |
1 Introduction | p. 105 |
2 Artin-Schreier Extensions | p. 107 |
3 Cyclic Codes and Their Weights | p. 111 |
4 Trace Codes | p. 120 |
5 Maximal Function Fields | p. 126 |
References | p. 130 |
4 Pseudorandom Sequences | p. 135 |
1 Introduction | p. 135 |
2 Linear Complexity and Linear Complexity Profile | p. 137 |
3 Autocorrelation and Related Distribution Measures for Binary Sequences | p. 154 |
4 Discrepancy and Uniform Distribution | p. 157 |
References | p. 162 |
5 Group Structure of Elliptic Curves over Finite Fields and Applications | p. 167 |
1 Introduction | p. 167 |
2 Group Structure | p. 171 |
3 Applications to Cryptography | p. 180 |
References | p. 187 |
Appendix Algebraic Function Fields | p. 195 |
About the Authors | p. 199 |