Chen, Yu-Wang; Lu, Yong-Zai; Chen, Peng - In: Physica A: Statistical Mechanics and its Applications 385 (2007) 1, pp. 115-123
By mapping the optimization problems to physical systems, the paper presents a general-purpose stochastic optimization method with extremal dynamics. It is built up with the traveling salesman problem (TSP) being a typical NP-complete problem. As self-organized critical processes of extremal...