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G-2005-02

Improvements to the Or-opt Heuristic for the Symmetric Traveling Salesman Problem

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Several variants and generalizations of the Or-opt heuristic for the Symmetric Traveling Salesman Problem are developed and compared on random and planar instances. Some of the proposed algorithms are shown to significantly improve upon the standard 2-opt and Or-opt heuristics.

, 14 pages

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Improvements to the Or-opt heuristic for the symmetric traveling salesman problem 
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Journal of the Operational Research Society, 58(3), 402–407, 2007 BibTeX reference