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Elementary constructive theory of ordered fields

Identifieur interne : 003C56 ( Istex/Corpus ); précédent : 003C55; suivant : 003C57

Elementary constructive theory of ordered fields

Auteurs : Henri Lombardi ; Marie-Françoise Roy

Source :

RBID : ISTEX:FC79D43AC0857320A906559061C9E6480F31D35E

Abstract

Abstract: The classical theory of ordered fields (Artin-Schreier theory) makes intensive use of non-constructive methods, in particular of the axiom of choice. However since Tarski (and even since Sturm and Sylvester) one knows how to compute in the real closure of an ordered field K solely by computations in K. This apparent contradiction is solved in this paper.

Url:
DOI: 10.1007/978-1-4612-0441-1_17

Links to Exploration step

ISTEX:FC79D43AC0857320A906559061C9E6480F31D35E

Le document en format XML

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