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CHARACTERS AND CYCLOTOMIC FIELDS IN FINITE GEOMETRY IBD

SPRINGER
10 / 2002
9783540442431
Inglés

Sinopsis

This monograph contributes to the existence theory of difference sets, cyclic irreducible codes and similar objects. The new method of field descent for cyclotomic integers of presribed absolute value is developed. Applications include the first substantial progress towards the Circulant Hadamard Matrix Conjecture and Ryser`s conjecture since decades. It is shown that there is no Barker sequence of length l with 13

PVP
60,92