Dominating induced matchings in graphs without a skew star
Dominating induced matchings in graphs without a skew star
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在没有斜星的情况下主导图中的诱导匹配
DOI:
10.1016/j.jda.2013.11.002
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Korpelainen N
中科院分区:
文献类型:
--
作者:
Korpelainen N
We study the problem of determining whether a graph G has an induced matching that dominates every edge of the graph, which is also known as efficient edge domination. This problem is known to be NP-complete in general graphs, but it can be solved in polynomial time for graphs in some special classes, such as weakly chordal, P 7-free or claw-free graphs. In the present paper we extend the polynomial-time solvability of the problem from claw-free graphs to graphs without a skew star, where a skew star is a tree with exactly three vertices of degree 1 being of distance 1, 2, 3 from the only vertex of degree 3.
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DOI:
--
发表时间:
2009
期刊:
Electron. Notes Discret. Math.
影响因子:
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作者:
N. Korpelainen
通讯作者:
N. Korpelainen
DOI:
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2001
期刊:
SIAM journal on computing (Print)
影响因子:
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通讯作者:
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1988
期刊:
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1.1
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通讯作者:
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DOI:
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发表时间:
2009
期刊:
Graph Theory, Computational Intelligence and Thought
影响因子:
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作者:
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通讯作者:
V. Lozin