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English(EN) One Color Preprocessing Improves DSATUR

新的SSLD方法通过SDP预处理增强了图着色启发式算法

研究人员开发了一种名为SSLD(半定谱学习与DSATUR)的新方法,该方法增强了NP难图着色问题的DSATUR启发式算法。SSLD通过识别高质量的初始颜色类别来预处理图,使用半定规划,类似于计算Lovász theta数的方法。在DSATUR完成着色之前应用此预处理步骤,已证明在包括DIMACS、随机图和调度问题在内的各种基准实例中,其性能与DSATUR和朴素基线相当或更优。虽然SSLD比DSATUR慢得多,但它展示了SDP引导的预处理在未来改进图着色算法方面的潜力。 AI

影响 这项研究为图着色提供了一种新颖的方法,有可能提高调度和频率分配等出现此类问题的领域的效率。

排序理由 该集群包含一篇详细介绍计算问题新算法的研究论文。[lever_c_demoted from research: ic=1 ai=0.7]

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新的SSLD方法通过SDP预处理增强了图着色启发式算法

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报道来源 [1]

  1. arXiv cs.AI TIER_1 English(EN) · Adam Nouira, Lucas Isenmann ·

    单色预处理改进DSATUR

    arXiv:2609.17633v1 Announce Type: new Abstract: The Graph Coloring Problem (GCP) is NP-hard and DSATUR stands as one of the fastest heuristics for it despite producing colorings that typically use more colors than state-of-the-art coloring algorithms. We propose SSLD (Semidefinit…