The undirected m‐Capacitated Peripatetic Salesman Problem

The undirected m‐Capacitated Peripatetic Salesman Problem

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Article ID: iaor20125962
Volume: 223
Issue: 3
Start Page Number: 637
End Page Number: 643
Publication Date: Dec 2012
Journal: European Journal of Operational Research
Authors: , ,
Keywords: combinatorial optimization, graphs, heuristics
Abstract:

In the m‐Capacitated Peripatetic Salesman Problem (m‐CPSP) the aim is to determine m Hamiltonian cycles of minimal total cost on a graph, such that all the edges are traversed less than the value of their capacity. This article introduces three formulations for the m‐CPSP. Two branch‐and‐cut algorithms and one branch‐and‐price algorithm are developed. Tests performed on randomly generated and on TSPLIB Euclidean instances indicate that the branch‐and‐price algorithm can solve instances with more than twice the size of what is achievable with the branch‐and‐cut algorithms.

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