On the Parameterized Complexity of Reconfiguration of Connected Dominating Sets
On the Parameterized Complexity of Reconfiguration of Connected Dominating Sets
复制标题
论连通支配集重构的参数化复杂性
DOI:
10.1007/s00453-021-00909-5
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发表时间:
2022
期刊:
影响因子:
1.1
通讯作者:
Siebertz, Sebastian
中科院分区:
文献类型:
--
作者:
Lokshtanov, Daniel;Mouawad, Amer E.;Panolan, Fahad;Siebertz, Sebastian
In a reconfiguration version of a decision problemthe input is an instance ofand two feasible solutionsSandT. The objective is to determine whether there exists a step-by-step transformation betweenSandTsuch that all intermediate steps also constitute feasible solutions. In this work, we study the parameterized complexity of theConnected Dominating Set Reconfigurationproblem (CDS-R). It was shown in previous work that theDominating Set Reconfigurationproblem (DS-R) parameterized byk, the maximum allowed size of a dominating set in a reconfiguration sequence, is fixed-parameter tractable on all graphs that exclude a bicliqueas a subgraph, for some constant. We show that the additional connectivity constraint makes the problem much harder, namely, thatCDS-RisW[1]-hard parameterized by, the maximum allowed size of a dominating set plus the length of the reconfiguration sequence, already on 5-degenerate graphs. On the positive side, we show thatCDS-Rparameterized bykis fixed-parameter tractable, and in fact admits a polynomial kernel on planar graphs.
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DOI:
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发表时间:
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期刊:
SIAM J. Discret. Math.
影响因子:
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期刊:
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影响因子:
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发表时间:
2013-11
期刊:
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影响因子:
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通讯作者:
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