Abstract
We propose a powerful Reinforced Hybrid Genetic Algorithm (RHGA) for the famous NP-hard Traveling Salesman Problem (TSP). RHGA combines reinforcement learning technique with the well-known Edge Assembly Crossover genetic algorithm (EAX-GA) and the Lin-Kernighan-Helsgaun (LKH) local search heuristic. With the help of the proposed hybrid mechanism, the genetic evolution of EAX-GA and the local search of LKH can boost each other's performance. And the reinforcement learning technique based on Q-learning further promotes the hybrid genetic algorithm. Experimental results on 138 well-known and widely used TSP benchmarks, with the number of cities ranging from 1,000 to 85,900, demonstrate the excellent performance of the proposed method.
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