11 citations · 32 across the 21 of their papers we have counts for
1 paper · 1 filter
Jørgen Bang-Jensen, Sven Simonsen
An out-(in-)branching B_s^+ (B_s^-) rooted at s in a digraph D is a connected spanning subdigraph of D in which every vertex x != s has precisely one arc entering (leaving) it and…