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Preprint Number 2017
2017. Salma Kuhlmann, Michele Serra The automorphism group of a valued field of generalised formal power series E-mail: Submission date: 7 July 2021 Abstract: Let k be a field, G a totally ordered abelian group and
𝕂 =
k((G)) the maximal field of generalised power series, endowed with the
canonical valuation v . We study the group v -Aut K of
valuation preserving automorphisms of a subfield k(G) ⊆ K ⊆
𝕂 where k(G) is the fraction field of the group ring
k[G]. Mathematics Subject Classification: Keywords and phrases: |
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