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Alternating cycles contribution: a strategy of tour-merging for the traveling salesman problem

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons45588

Tamaki,  Hisao
Algorithms and Complexity, MPI for Informatics, Max Planck Society;

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Volltexte (frei zugänglich)

2003-1-007
(beliebiger Volltext), 10KB

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Zitation

Tamaki, H.(2003). Alternating cycles contribution: a strategy of tour-merging for the traveling salesman problem (MPI-I-2003-1-007). Saarbrücken: Max-Planck-Institut für Informatik.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0014-6B66-B
Zusammenfassung
A strategy of merging several traveling salesman tours into a better tour, called ACC (Alternating Cycles Contribution) is introduced. Two algorithms embodying this strategy for geometric instances is implemented and used to enhance Helsgaun's implementaton of his variant of the Lin-Kernighan heuristic. Experiments on the large instances in TSPLIB show that a significant improvement of performance is obtained. These algorithms were used in September 2002 to find a new best tour for the largest instance pla85900 in TSPLIB.