2 problems

Let $\mathcal{TC}_{n,k}$ be the set of all tree-child networks with $n$ leaves and $k$ reticulation nodes. The numbers $a_{n-1,k}$ are the coefficients appearing in the paper's pre…

Let $N$ and $N'$ be non-binary tree-child networks on the same leaf set. A tree-child sequence (TCS) of $N$ is a sequence of reductions associated with the tree-child network. Univ…