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Approximations for many-visits multiple traveling salesman problems
Citation Link: https://doi.org/10.15480/882.4873
Publikationstyp
Journal Article
Publikationsdatum
2023-04
Sprache
English
Institut
Volume
116
Article Number
102816
Citation
Omega : the international journal of management science (2023)
Publisher DOI
Scopus ID
Publisher
Elsevier
Peer Reviewed
true
A fundamental variant of the classical traveling salesman problem (TSP) is the so-called multiple TSP (mTSP), where a set of m salesmen jointly visit all cities from a set of n cities. The mTSP models many important real-life applications, in particular for vehicle routing problems. An extensive survey by Bektas (Omega 34(3), 2006) lists a variety of heuristic and exact solution procedures for the mTSP, which quickly solve particular problem instances. In this work we consider a further generalization of mTSP, the many-visits mTSP, where each city v has a request r(v) of how many times it should be visited by the salesmen. This problem opens up new real-life applications such as aircraft sequencing, while at the same time it poses several computational challenges. We provide multiple efficient approximation algorithms for important variants of the many-visits mTSP, which are guaranteed to quickly compute high-quality solutions for all problem instances.
Schlagworte
Traveling salesman
Many-agent scheduling
Aircraft sequencing
DDC Class
330: Wirtschaft
Funding Organisations
Publication version
submittedVersion
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