论文标题

关于向日葵的注意

Note on Sunflowers

论文作者

Bell, Tolson, Chueluecha, Suchakree, Warnke, Lutz

论文摘要

带有P pet的向日葵由P组组成,其成对相交相同的P组。向日葵问题的目的是找到最小的R = R(P,K),以便任何R^K不同的K-Element套件都包含带有P花瓣的向日葵。在2019年的Alweiss,Lovett,Wu和Zhang的突破之下,Rao证明R = O(P LOG(PK))就足够了;该界限在2020年被陶(Tao)重复。在此简短的说明中,我们记录了r = o(p log k)足够的足够,通过使用这些最近证明的概率部分的次要变体。

A sunflower with p petals consists of p sets whose pairwise intersections are identical. The goal of the sunflower problem is to find the smallest r=r(p,k) such that any family of r^k distinct k-element sets contains a sunflower with p petals. Building upon a breakthrough of Alweiss, Lovett, Wu and Zhang from 2019, Rao proved that r=O(p log(pk)) suffices; this bound was reproved by Tao in 2020. In this short note we record that r=O(p log k) suffices, by using a minor variant of the probabilistic part of these recent proofs.

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