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Parameterized Complexity of Conflict-Free Set Cover

机译:无冲突集覆盖的参数化复杂度

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Set Cover is one of the well-known classical NP-hard problems. Following some recent trends, we study the conflict-free version of the Set Cover problem. Here we have a universe u, a family F of subsets of u and a graph G_F on the vertex set F and we look for a subfamily F' ⊆ F of minimum size that covers u and also forms an independent set in G_F. Here we initiate a systematic study of the problem in parameterized complexity by restricting the focus to the variants where Set Cover is fixed-parameter tractable (FPT). We give upper bounds and lower bounds for conflict-free version of the Set Cover with and without duplicate sets along with restrictions to the graph classes of G_F.
机译:Set Cover是著名的经典NP难题之一。根据最近的一些趋势,我们研究了Set Cover问题的无冲突版本。在这里,我们有一个宇宙u,一个u子集的族F和一个在顶点集F上的图G_F,我们寻找一个最小尺寸的子族F'⊆F,它覆盖u并在G_F中形成一个独立集。在这里,我们通过将焦点集中在Set Cover是固定参数可处理(FPT)的变量上,开始对参数化复杂性问题进行系统研究。我们给出了有无重复集的Set Cover的无冲突版本的上限和下限,以及对G_F图类的限制。

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