Campos, Victor, Chvatal, Vasek, Devroye, Luc, Taslakian, Perouz
A transversal in a rooted tree is any set of nodes that meets every path from the root to a leaf. We let c(T,k) denote the number of transversals of size k in a rooted tree T. We define a partial...
Thesis (doctoral)--Université de Bretagne Occidentale, 1981.