Families of Subsets Without a Given Poset in the Interval Chains

Jun-Yi Guo, Fei-Huang Chang, Hong-Bin Chen +1

For two posets $P$ and $Q$, we say $Q$ is $P$-free if there does not exist any order-preserving injection from $P$ to $Q$. The speical case for $Q$ being the Boolean lattice $B_n$…