Grünbaum Colorings of Toroidal Triangulations [article]

Michael O. Albertson, Hannah Alpert, sarah-marie belcastro, Ruth Haas
2008 arXiv   pre-print
We prove that if G is a triangulation of the torus and \chi(G) \neq 5, then there is a 3-coloring of the edges of G so that the edges bounding every face are assigned three different colors.
arXiv:0805.0394v1 fatcat:wp2xc7pi2rh23ecp35ysauixd4