Leo Gitin

collaborators

2 papers

math.NT2026

The Galois characterisation of $p$ -adically closed fields -- A modern perspective

Leo Gitin, Jochen Koenigsmann, Benedikt Stock

In 1927, Artin and Schreier showed that a field is real closed if and only if its absolute Galois group has order two. Inspired by this characterisation and drawing on earlier work…

math.LO2024

Undecidability of expansions of Laurent series fields by cyclic discrete subgroups

Leo Gitin

In 1987, Pheidas showed that the field of Laurent series $F_{q} ((t))$ with a constant for the indeterminate $t$ and a predicate for the natural powers ${t^{n} ∣ n > 0}$ o…

The Galois characterisation of p-adically closed fields -- A modern perspective

Undecidability of expansions of Laurent series fields by cyclic discrete subgroups

The Galois characterisation of $p$ -adically closed fields -- A modern perspective