Spectra of Graphs and Closed Distance Magic Labelings

Marcin Anholcer, Sylwia Cichacz, Iztok Peterin

Let $G=(V,E)$ be a graph of order $n$. A closed distance magic labeling of $G$ is a bijection $\ell :V(G)\to \{1,\dots ,n\}$ for which there exists a positive intege…