... choose among the other cities. So far, in ACO algorithms the use of candidate lists or similar approaches is still rather unexplored. Inspiration from other techniques like Tabu Search [51] or GRASP =-=[42]-=-, where strong use of candidate lists is made, could be useful for the development of effective candidate list strategies for ACO. 7 OTHER DEVELOPMENTS 7.1 Proving Convergence The simplest stochastic ...