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Finite separable field extensions with prescribed extensions of valuations. II
Authors:Dr. Otto Endler
Affiliation:1. Instituto de Matemática, Pura e Aplicada, Rua Luiz de Cam?es 68, Rio de Janeiro, RJ, Brazil
2. Mathematisches Institut der Universit?t Bonn, 53 Bonn, Fed. Rep. of Germany
Abstract:
Let A1,...,Ak be pairwise independent valuation rings of K. Prescribing extensions Δ i j . of the value group Γj and extensions (mathfrak{L}_i^j) of the residue field (H^j) of Aj (i=1,...,rj) such that (sumlimits_{i = 1}^{r^j } {(Delta _i^j :Gamma ^j )} cdot [mathfrak{L}_i^j :H^j ] = n) , we provide sufficient conditions for the existence of a separable field extension L of K of degree n with exactly rj pairwise independent valuation rings B i j lying over Aj, which have Δ i j as value groups and (mathfrak{L}_i^j) as residue fields.
Keywords:
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