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The Classical Fields: Structural Features of the Real and Rational Numbers (Encyclopedia of Mathematics and its Applications)
Rok: 2007
ISBN: 9780521865166
OKCZID: 110194074
Citace (dle ČSN ISO 690):
The classical fields: structural features of the real and rational numbers. Cambridge: Cambridge University Press, 2007. xv, 401 s. Encyclopedia of mathematics and its applications, v. 112.
Anotace
The classical fields are the real, rational, complex and p-adic numbers. Each of these fields comprises several intimately interwoven algebraical and topological structures. This comprehensive volume analyzes the interaction and interdependencies of these different aspects. The real and rational numbers are examined additionally with respect to their orderings, and these fields are compared to their non-standard counterparts. Typical substructures and quotients, relevant automorphism groups and many counterexamples are described. Also discussed are completion procedures of chains and of ordered and topological groups, with applications to classical fields. The p-adic numbers are placed in the context of general topological fields: absolute values, valuations and the corresponding topologies are studied, and the classification of all locally compact fields and skew fields is presented. Exercises are provided with hints and solutions at the end of the book. An appendix reviews ordinals and cardinals, duality theory of locally compact Abelian groups and various constructions of fields.