The fractional strong metric dimension in three graph products

Cong X. Kang, Ismael G. Yero, Eunjeong Yi

For any two distinct vertices $x$ and $y$ of a graph $G$, let $S\{x,y\}$ denote the set of vertices $z$ such that either $x$ lies on a $y-z$ geodesic or $y$ lies on an $x-z$ geode…