AK-type stability theorems on cross t-intersecting families

Sang June Lee, Mark Siggers, Norihide Tokushige

Two families, $\mathcal{A}$ and $\mathcal{B}$, of subsets of $[n]$ are cross $t$-intersecting if for every $A\in \mathcal{A}$ and $B\in \mathcal{B}$, $A$ and $B$ intersect in…