The strong convexity spectra of grids

Gabriela Araujo-Pardo, César Hernández-Cruz, Juan José Montellano-Ballesteros

Let $D$ be a connected oriented graph. A set $S\subseteq V(D)$ is convex in $D$ if, for every pair of vertices $x,y\in S$, the vertex set of every $xy$-geodesic, ($xy$ shortest…