Down-linking $(K_v,\Gamma )$-designs to $P_3$-designs

Anna Benini, Luca Giuzzi, Anita Pasotti

Let G' be a subgraph of a graph G. We define a down-link from a (K_v,G)-design B to a (K_n,G')-design B' as a map f:B->B' mapping any block of B into one of its subgraphs. This is…