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TSP ejection chains. (English) Zbl 0883.90120

Summary: We identify ejection chain methods for the traveling salesman problem based on a special reference structure for generating constructions related to alternating paths. Computational tests show that the method performs very effectively, obtaining generally better solutions than improved versions of the Lin-Kernighan method within the same time frame. Our approach, which currently has a simple tabu-search guidance component at a local level, also has the potential to be combined in more advanced ways with metaheuristics such as genetic algorithms, simulated annealing and tabu-search.

MSC:

90C35 Programming involving graphs or networks

Software:

Tabu search

References:

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