Margarete Ketelsen
Institut für Mathematische Logik und Grundlagenforschung
Fachbereich Mathematik und Informatik
Universität Münster
Einsteinstraße 62
48149 Münster
Office: 110.020 in Orléans-Ring 10
Email: firstname.lastname@uni-muenster.de
Phone: +49 251 83-36870
My name is Margarete Ketelsen and I am a PhD student in the Cluster of Excellence "Mathematics Münster: Dynamics - Geometry - Structure".
My advisor is JProf. Dr. Franziska Jahnke.
I am interested in the model theory of valued fields, in particular: tame valued fields, perfectoid fields and (relative) quantifier elimination.
Talks
- "A proof of Greenberg's Theorem using ultrapowers", 19 August 2021, ALGAR 2021 Summer School, Antwerp. slides
- "Quasi-finite axiomatiability in the class of finitely generated rings", 1 September 2022, International Seminar, Dresden.
- "Ci-fields and a tiny bit of model theory", 23 March 2023, Informal PhD Seminar, Münster.
Theses
- Master's thesis: "Quasi-finite axiomatizability in the class of finitely generated rings", September 2022.
- Bachelor's thesis (in German): "Polynomgleichungen über henselschen Bewertungsringen" (Polynomial equations over Henselian valuation rings), July 2020.
both under the supervision of Prof. Dr. Arno Fehm and Dr. Philip Dittmann at the Technische Universität Dresden.
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