Mulder, H.M.; Pelsmajer, M.J.; Reid, K.B. - Erasmus University Rotterdam, Econometric Institute - 2006
In 1982, Slater defined path subgraph analogues to the center, median, and (branch or branchweight) centroid of a tree. We define three families of central substructures of trees, including three types of central subtrees of degree at most D that yield the center, median, and centroid for D = 0...