Construction du hens\'elis\'e d'un corps valu\'e
Abstract
We give an explicit construction of the henselization of a valued field, with a constructive proof. It is analogous to the construction of the real closure of a discrete ordered field. Nous donnons une construction explicite, et constructivement prouv\'ee, du hens\'elis\'e d'un corps valu\'e. Cette construction peut \etre consid\'er\'ee comme l'analogue, dans le cas valu\'e, de la construction de la cl\oture r\'e\'eelle d'un corps ordonn\'e.
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