Minimum Odd Neighbourhood Covers for Trees
Minimum Odd Neighbourhood Covers for Trees
复制标题
树木的最小奇邻域覆盖
DOI:
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发表时间:
1989
期刊:
影响因子:
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通讯作者:
R. Dawes
中科院分区:
文献类型:
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作者:
R. Dawes
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.