Séminaire des Doctorants et Doctorantes

# Hilbert's seventeenth problem -- A model theoretic proof

## by Christian D'Elbée, Tingxiang Zou

lundi 20 novembre 2017 de au (Europe/Paris)
at ENS Lyon ( 405 )
 Description In this presentation, we will introduce some basic notions and tools in model theory, which, together with some elementary facts about real algebra, will give us an easy proof of Hilbert's seventeenth problem.