2 papers
math.CO2025
Erd\H os--Ko--Rado type results for partitions via spread approximations
Andrey Kupavskii
In this paper, we address several Erd\H os--Ko--Rado type questions for families of partitions. Two partitions of are {\it -intersecting} if they share at least parts,…
math.CO2025
Delta-system method: a survey
Andrey Kupavskii
In 1960 Erd\H os and Rado published a paper that, in retrospect, became one of the most influential papers in extremal set theory. They proved a result of Ramsey theoretic flavour,…