An Analogue of Hilton-Milner Theorem for Set Partitions

Cheng Yeaw Ku, Kok Bin Wong

Let $\mathcal{B}(n)$ denote the collection of all set partitions of $[n]$. Suppose $\mathcal{A}\subseteq \mathcal{B}(n)$ is a non-trivial $t$-intersecting family of set partitions…