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An Exact Algorithm for Minimum Weight Vertex Cover Problem in Large Graphs

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arxiv 1903.05948 v1 pith:62OHQ3SX submitted 2019-03-14 cs.DS cs.DM

classification cs.DScs.DM
keywords algorithmcovergraphslargeminimumvertexweightbmwvc
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This paper proposes a novel branch-and-bound(BMWVC) algorithm to exactly solve the minimum weight vertex cover problem (MWVC) in large graphs. The original contribution is several new graph reduction rules, allowing to reduce a graph G and the time needed to find a minimum weight vertex cover in G. Experiments on large graphs from real-world applications show that the reduction rules are effective and the resulting BMWVC algorithm outperforms relevant exact and heuristic MWVC algorithms.

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  1. Accelerating Reductions Using Graph Neural Networks and a New Concurrent Local Search for the Maximum Weight Independent Set Problem

    math.OC 2024-12 conditional novelty 7.0 of 10

    A GNN-guided reduction tool and the CHILS metaheuristic improve practical MWIS solving, with best results on most benchmark and vehicle routing instances.

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