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Improvements to MCS algorithm for the maximum clique problem

Author

Listed:
  • Mikhail Batsyn

    (National Research University Higher School of Economics)

  • Boris Goldengorin

    (National Research University Higher School of Economics)

  • Evgeny Maslov

    (National Research University Higher School of Economics)

  • Panos M. Pardalos

    (National Research University Higher School of Economics
    University of Florida)

Abstract

In this paper we present improvements to one of the most recent and fastest branch-and-bound algorithm for the maximum clique problem—MCS algorithm by Tomita et al. (Proceedings of the 4th international conference on Algorithms and Computation, WALCOM’10, pp. 191–203, 2010). The suggested improvements include: incorporating of an efficient heuristic returning a high-quality initial solution, fast detection of clique vertices in a set of candidates, better initial colouring, and avoiding dynamic memory allocation. Our computational study shows some impressive results, mainly we have solved p_hat1000-3 benchmark instance which is intractable for MCS algorithm and got speedups of 7, 3000, and 13000 times for gen400_p0.9_55, gen400_p0.9_65, and gen400_p0.9_75 instances correspondingly.

Suggested Citation

  • Mikhail Batsyn & Boris Goldengorin & Evgeny Maslov & Panos M. Pardalos, 2014. "Improvements to MCS algorithm for the maximum clique problem," Journal of Combinatorial Optimization, Springer, vol. 27(2), pages 397-416, February.
    • Handle: RePEc:spr:jcomop:v:27:y:2014:i:2:d:10.1007_s10878-012-9592-6
    DOI: 10.1007/s10878-012-9592-6
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    References listed on IDEAS

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    1. Jenelius, Erik & Petersen, Tom & Mattsson, Lars-Göran, 2006. "Importance and exposure in road network vulnerability analysis," Transportation Research Part A: Policy and Practice, Elsevier, vol. 40(7), pages 537-560, August.
    2. Butenko, S. & Wilhelm, W.E., 2006. "Clique-detection models in computational biochemistry and genomics," European Journal of Operational Research, Elsevier, vol. 173(1), pages 1-17, August.
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    Cited by:

    1. Seyedmohammadhossein Hosseinian & Dalila B. M. M. Fontes & Sergiy Butenko, 2020. "A Lagrangian Bound on the Clique Number and an Exact Algorithm for the Maximum Edge Weight Clique Problem," INFORMS Journal on Computing, INFORMS, vol. 32(3), pages 747-762, July.
    2. Larisa Komosko & Mikhail Batsyn & Pablo San Segundo & Panos M. Pardalos, 2016. "A fast greedy sequential heuristic for the vertex colouring problem based on bitwise operations," Journal of Combinatorial Optimization, Springer, vol. 31(4), pages 1665-1677, May.
    3. Sebastian Lamm & Peter Sanders & Christian Schulz & Darren Strash & Renato F. Werneck, 2017. "Finding near-optimal independent sets at scale," Journal of Heuristics, Springer, vol. 23(4), pages 207-229, August.
    4. Assif Assad & Kusum Deep, 2018. "A heuristic based harmony search algorithm for maximum clique problem," OPSEARCH, Springer;Operational Research Society of India, vol. 55(2), pages 411-433, June.
    5. Sándor Szabó, 2021. "A Clique Search Problem and its Application to Machine Scheduling," SN Operations Research Forum, Springer, vol. 2(4), pages 1-12, December.
    6. Seyedmohammadhossein Hosseinian & Dalila B. M. M. Fontes & Sergiy Butenko, 2018. "A nonconvex quadratic optimization approach to the maximum edge weight clique problem," Journal of Global Optimization, Springer, vol. 72(2), pages 219-240, October.

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