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On Polynomial Kernelization of H-FREE EDGE DELETION

机译:H自由边缘删除的多项式核化

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摘要

For a set H of graphs, the H-FREE EDGE DELETION problem is to decide whether there exist at most k edges in the input graph, for some k is an element of N, whose deletion results in a graph without an induced copy of any of the graphs in H. The problem is known to be fixed-parameter tractable if H is of finite cardinality. In this paper, we present a polynomial kernel for this problem for any fixed finite set H of connected graphs for the case where the input graphs are of bounded degree. We use a single kernelization rule which deletes vertices 'far away' from the induced copies of every H is an element of H in the input graph. With a slightly modified kernelization rule, we obtain polynomial kernels for H-FREE EDGE DELETION under the following three settings:
机译:对于一组H个图,H-FREE EDGE DELETION问题是确定输入图中是否最多存在k个边,对于某些k是N的元素,其删除导致图中没有任何归纳的任何副本如果H具有有限的基数,则该问题是固定参数可解决的。在本文中,对于输入图为有界度的情况,我们为连接图的任何固定有限集H给出了针对该问题的多项式核。我们使用单个核化规则,该规则从每个H的诱导副本中“远距离”删除顶点,这是输入图中H的元素。使用稍微修改的内核化规则,我们可以在以下三种设置下获得H-FREE EDGE DELETION的多项式内核:

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