The domination number of the 2-token graph of the complete bipartite graph

E. Acosta Troncoso, I. Caldera Caldera, L. M. Rivera

For a graph $G$, the $2$-token graph $F_2(G)$ has as vertices all $2$-subsets of $V(G)$, with two such subsets adjacent whenever their symmetric difference is an edge of $G$. In th…