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The Theory of Classical Valuations

Paulo Ribenboim

Editore:: Springer New York
Collana:: Springer Monographs In Mathematics
EAN:: 9780387985251
ISBN:: 0387985255
Pagine:: 420
Formato:: Hardback
Lingua:: Inglese

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Descrizione The Theory of Classical Valuations

In his studies of cyclotomic fields, in view of establishing his monumental theorem about Fermat's last theorem, Kummer introduced "local" methods. They are concerned with divisibility of "ideal numbers" of cyclotomic fields by lambda = 1 - psi where psi is a primitive p-th root of 1 (p any odd prime). Henssel developed Kummer's ideas, constructed the field of p-adic numbers and proved the fundamental theorem known today. Kurschak formally introduced the concept of a valuation of a field, as being real valued functions on the set of non-zero elements of the field satisfying certain properties, like the p-adic valuations. Ostrowski, Hasse, Schmidt and others developed this theory and collectively, these topics form the primary focus of this book.

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The Theory of Classical Valuations

Paulo Ribenboim

Springer New York

9780387985251

0387985255

Descrizione The Theory of Classical Valuations

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