向日葵引理

A fundamental result in extremal set theory stating that for any positive integers p and k, there exists a number N(p, k) such that any family of sets of size k with more than N(p, k) members contains a sunflower with p petals. / 极端集合论中的一个基本结果，指出对于任意正整数 p 和 k，存在一个数 N(p, k)，使得任何大小为 k 且成员数超过 N(p, k) 的集合族都包含一个具有 p 个花瓣的向日葵。

Knowledge type

数学理论

First proposed or discovered

Proposer

Turkey Farm member

Creator

农场主

Last updated

2026-11-04 22:05:57