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math.AC2021★ 3 cited
The automorphism group of a valued field of generalised formal power series
Salma Kuhlmann, Michele Serra
Let be a field, a totally ordered abelian group and the maximal field of generalised power series, endowed with the canonical valuation . We…
math.LO2021★ 3 cited
Definability of henselian valuations by conditions on the value group
Lothar Sebastian Krapp, Salma Kuhlmann, Moritz Link
Given a henselian valuation, we study its definability (with and without parameters) by examining conditions on the value group. We show that any henselian valuation whose value gr…