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To $p$ or not to $p$: Galois' first glimpse of Hensel on wild grounds

Model Theory in Geometry and Arithmetic May 12, 2014 - May 16, 2014

May 15, 2014 (02:00 PM PDT - 03:00 PM PDT)
Speaker(s): Jochen Koenigsmann (University of Oxford)
Location: MSRI: Simons Auditorium
Video

Abstract

In analysing how $p$-henselian valuations can be encoded in the maximal pro-$p$ Galois group of a field it makes a big difference whether the residual characteristic is equal to $p$ or not to $p$. While the first case is well understood, in this talk we will focus on the second presenting first modest results.

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