Improved kernel results for some FPT problems based on simple observations

Improved kernel results for some FPT problems based on simple observations
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基于简单观察改进了一些 FPT 问题的核结果

DOI:
10.1016/j.tcs.2016.06.012
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发表时间:
2017-01
影响因子:
1.1
通讯作者:
Hu Shuai
Hu Shuai
中科院分区:
计算机科学4区
文献类型:
--
作者:
Li Wenjun;Feng Qilong;Chen Jianer;Hu Shuai

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本文研究了参数化余路集问题、参数化路可缩性问题和参数连通支配集问题等几个参数化问题的核化算法。在简单观察的基础上,我们分别给出了核大小为4k、3k+4和O(K2)的简单核化算法,分别改进了以前的最好结果6k、5k+3和O(K3)。
In this paper, we study the kernelization algorithms for several parameterized problems, including Parameterized Co-Path Set problem, Parameterized Path-Contractibility problem and Parameterized Connected Dominating Set on G 7 Graphs problem. Based on simple observations, we give simple kernelization algorithms with kernel sizes 4k, 3 k+ 4, and O (k 2), respectively, which improves the previous best results 6k, 5 k+ 3, and O (k 3), respectively.
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