2 papers
math.NT2023
Sur un théorème de Lang-Weil tordu, d'après E. Hrushovski, K. V. Shuddhodan et Y. Varshavsky
Silvain Rideau-Kikuchi
These are the notes (in French) for a Bourbaki talk on the twisted Lang-Weil estimates of Hrushovski, following a recent proof of Shuddhodan and Varshavsky.
math.LO2021
Un principe d'Ax-Kochen-Ershov imaginaire
Martin Hils, Silvain Rideau-Kikuchi
We study interpretable sets in henselian and sigma-henselian valued fields with value group elementarily equivalent to Q or Z. Our first result is an Ax-Kochen-Ershov type principl…