Niche Number of Linear Hypertrees

Thummarat Paklao, Nattakan Yahatta, Chutima Chaichana +2

For a digraph $D$, the niche hypergraph $NH(D)$ of $D$ is the hypergraph having the same set of vertices as $D$ and the set of hyperedges is \begin{align} E(NH(D)) &= \{e \subseteq…