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Methods for determining cycles of a specific length in undirected graphs with edge weights

Author

Listed:
  • R. Lewis

    (Cardiff University)

  • P. Corcoran

    (Cardiff University)

  • A. Gagarin

    (Cardiff University)

Abstract

In this paper, we consider the $${{\mathcal{N}\mathcal{P}}}$$ N P -hard problem of determining fixed-length cycles in undirected edge-weighted graphs. Two solution methods are proposed, one based on integer programming (IP) and one that uses bespoke local search operators. These methods are executed under a common algorithmic framework that seeks to partition problem instances into a series of smaller sub-problems. Large-scale empirical tests indicate that the local search algorithm is generally preferable to IP, even with short run times. However, it can still produce suboptimal solutions, even with relatively small graphs.

Suggested Citation

  • R. Lewis & P. Corcoran & A. Gagarin, 2023. "Methods for determining cycles of a specific length in undirected graphs with edge weights," Journal of Combinatorial Optimization, Springer, vol. 46(5), pages 1-23, December.
    • Handle: RePEc:spr:jcomop:v:46:y:2023:i:5:d:10.1007_s10878-023-01091-w
    DOI: 10.1007/s10878-023-01091-w
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