Minimum Weight Flat Antichains of Subsets

Jerrold R. Griggs, Sven Hartmann, Thomas Kalinowski +2

Building on classical theorems of Sperner and Kruskal-Katona, we investigate antichains $\mathcal{F}$ in the Boolean lattice $B_n$ of all subsets of $[n]:=\{1,2,\dots ,n\}$, where $\…