TSP in a Simple Polygon.

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Abstract

We study the Traveling Salesman Problem inside a simple polygon. In this problem, which we call tsp in a simple polygon, we wish to compute a shortest tour that visits a given set S of n sites inside a simple polygon P with m edges while staying inside the polygon. This natural problem has, to the best of our knowledge, not been studied so far from a theoretical perspective. It can be solved exactly in poly(n,m) + 2O(√ n log n) time, using an algorithm by Marx, Pilipczuk, and Pilipczuk (FOCS 2018) for subset tsp as a subroutine. We present a much simpler algorithm that solves tsp in a simple polygon directly and that has the same running time.

Original languageEnglish
Title of host publication30th Annual European Symposium on Algorithms, ESA 2022
EditorsShiri Chechik, Gonzalo Navarro, Eva Rotenberg, Grzegorz Herman
Pages5:1-5:14
Number of pages14
ISBN (Electronic)9783959772471
DOIs
Publication statusPublished - 1 Sept 2022

Bibliographical note

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Keywords

  • Subexponential algorithms
  • TSP with obstacles
  • Traveling Salesman Problem

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