The ancestral matrix of a rooted tree

Eric O. D. Andriantiana, Kenneth Dadedzi, Stephan Wagner

Given a rooted tree $T$ with leaves $v_1,v_2,\dots ,v_n$, we define the ancestral matrix $C(T)$ of $T$ to be the $n\times n$ matrix for which the entry in the $i$-th row, $j$-th c…