$s$-almost cross-$t$-intersecting families for finite sets

Dehai Liu, Kaishun Wang, Tian Yao

Two families $\mathcal{F}$ and $\mathcal{G}$ of $k$-subsets of an $n$-set are called $s$-almost cross-$t$-intersecting if each member in $\mathcal{F}$ (resp. $\mathcal{G}$) is $t$-…