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Simulated Annealing for Finding TSP Lower Bound

  • Łukasz Strąk
  • Wojciech Wieczorek
  • Arkadiusz Nowakowski
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10449)

Abstract

Held and Karp’s theory has been proposed in the early 1970s in order to estimate an optimal tour length for the Travelling Salesman Problem. The ascent method, which is based on this theory, makes it possible to obtain a graph, which contains a large number of edges common with the optimal solution. In this article, we presents a new algorithm of simulated annealing for the same purpose. Our approach improves the quality of obtained results and makes it possible to receive a greater number of edges common with the optimal solution. The ascent method, suggested by Helsgaun, was applied for comparison since it is well documented, achieves good results and has an available implementation.

Keywords

Held-Karp Simulated annealing TSP 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Łukasz Strąk
    • 1
  • Wojciech Wieczorek
    • 1
  • Arkadiusz Nowakowski
    • 1
  1. 1.Institute of Computer ScienceUniversity of Silesia in KatowiceSosnowiecPoland

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