New structure is discovered in the suggestive “world†created by Axelrod, which is based on iterated play of the Prisoner's Dilemma game, and was studied to reveal how cooperative behavior can arise in a world of egoists. One of Axelrod's conclusions is that the viability of a strategy...

This paper presents a genetic algorithm (GA) to solve the Traveling Umpire Problem, which is a recently introduced sports scheduling problem that is based on the most important features of the real Major League Baseball umpire scheduling problem. In our GA, contrary to the traditional way of...