Contrast in Greyscales of Graphs

Natalia de Castro, María A. Garrido-Vizuete, Rafael Robles +1

A greyscale $f$ of a graph $G(V,E)$ is a mapping from $V$ to the interval $[0,1]$ such that $\{0,1\}\subseteq Im(f)$. This function $f$ induces another mapping $\hat{f}$ on $…