Graph Coloring Algorithms for Assignment Problems in Radio Networks.
F.Comellas , J. Ozón
Departament de Matemàtica Aplicada i Telemàtica; Universitat Politècnica de Catalunya
pp. 49-56 of Applications of Neural Networks to Telecommunications; Edited by: J. Alspector, R. Goodman, T.X. Brown. Lawrence Erlbaum Associates, Publishers. Hillsdale, New Jersey, 1995. ISBN 0-8058-2084-1

Figure 1: An ant acting on a graph.

Figure 2: The graph proposed by Lee et al. and the solution with 43 edges found in this paper.

Figure 3: Crossover and mutation operators in the genetic algorithm.