Eventi

Corners and stability – Amador Martin-Pizarro (Albert-Ludwigs-Universität Freiburg)

Archivio 14 December 2023 11:00 - 12:00 Dipartimento di Matematica, Aula Riunioni.

Given an abelian group $G$, a corner is a a subset of pairs of the form $(x,y),(x+g,y),(x,y+g)$ with $g$ non trivial. Ajtai and Szemerédi proved that, asymptotically for finite abelian groups, every dense subset $S$ of $G\times G$ contains an corner.…

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