Basic notions - Tamar Ziegler "Gower’s proof for 4-term arithmetic progressions in subsets of integers of positive density"

Abstract: we give an overview of Gowers' proof for the existence of 4-term progression in subsets of positive density in the integers. We will discuss the tools from additive combinatorics that are used in the proof as well as some related conjectures.


Thu, 29/11/2018 - 16:00 to 17:00