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Sylvy Anscombe (Université Paris Cité)

Models and Sets Seminar
Wednesday 6 December 2023, 2.00 PM

Transfer of NIP in finitely ramified henselian valued fields


By a technique of Jahnke and Simon, itself building on work of Chernikov and Hils, we investigate the transfer of NIP from the residue field to the valued field, in the case of a finitely ramified henselian valued field of mixed characteristic. This relies on understanding the complete theories of such fields, on a certain Ax--Kochen/Ershov principle, and the stable embeddedness of the residue field. This talk will touch on joint work with Franziska Jahnke, and another project additionally with Philip Dittmann.