Connectivity of Connected Bipartite Graphs with Two Orbits
Connectivity of Connected Bipartite Graphs with Two Orbits
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DOI:
10.1007/978-3-540-72588-6_55
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发表时间:
2007-05
期刊:
影响因子:
--
通讯作者:
Xiaodong Liang;J. Meng
中科院分区:
文献类型:
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作者:
Xiaodong Liang;J. Meng
LetX= (V,E) be a simple connected graph, the connectivityκ(X) ofXis the minimum cardinality of all vertex cut sets inX. Letx∈V(X), the set {xg:g∈Aut(X)} is called an orbit ofAut(X), the automorphism group ofX. In this note, we prove that the connectivity of a connected bipartite graph with two orbits attains its minimum degree.