Minimum Odd Neighbourhood Covers for Trees

Minimum Odd Neighbourhood Covers for Trees
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树木的最小奇邻域覆盖

DOI:
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发表时间:
1989
期刊:
Great Lakes Computer Science Conference
影响因子:
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通讯作者:
R. Dawes
R. Dawes
中科院分区:
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文献类型:
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作者:
R. Dawes

文献摘要

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相似文献

寻找任意图的最小奇邻域覆盖(奇N-覆盖)是NP-完全的。我们观察到,存在指数数量的奇数N-覆盖的树,并提出了一个多项式时间算法来确定一个树的最小基数奇数N-覆盖。
Finding the smallest odd neighbourhood cover (odd N-cover) of an arbitrary graph is known to be NP-complete. We observe that there exist trees with an exponential number of odd N-covers, and present a polynomial-time algorithm to determine a minimum cardinality odd N-cover of a tree.