摘要: 令B
n为[n]={1,2,...,n}的所有子集按包含关系构成的偏序集。Sperner定理说明
Bn中最大的Sperner集族的密度为

。本文研究Sperner定理在凸集上的推广,并证明Sperner定理在压缩滤子上成立。
Abstract:
Let
[n]={1,2,...,n} and
Bn={A,A⊆[n]}. Sperner theorem states that the density of the largest Sperner family in
Bn is

. Our paper focuses on the extension of Sperner theorem on convex family and proves that Sperner theorem is valid on compressed filters.