On disjoint matchings in cubic graphs
On disjoint matchings in cubic graphs
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关于三次图中的不相交匹配
DOI:
10.1016/j.disc.2010.02.007
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发表时间:
2008
期刊:
影响因子:
--
通讯作者:
Gagik N. Vardanyan
中科院分区:
文献类型:
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作者:
V. Mkrtchyan;S. S. Petrosyan;Gagik N. Vardanyan
For i=2,3 and a cubic graph G let νi(G) denote the maximum number of edges that can be covered by i matchings. We show that ν2(G)≥45|V(G)| and ν3(G)≥76|V(G)|. Moreover, it turns out that ν2(G)≤|V(G)|+2ν3(G)4.