Efficient domination in cubic vertex-transitive graphs

Efficient domination in cubic vertex-transitive graphs
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DOI:
10.1016/j.ejc.2012.04.007
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发表时间:
2012-11
期刊:
Eur. J. Comb.
影响因子:
--
通讯作者:
M. Knor;P. Potočnik
M. Knor;P. Potočnik
中科院分区:
其他
文献类型:
--
作者:
M. Knor;P. Potočnik

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一个图的一个独立的顶点集S有效地支配图,如果图的每个顶点都在S中或恰好有一个邻居在S中。在本文中,我们证明了一个连通的三次点传递图的2个顶点的幂有一个集,有效地控制它当且仅当它不是同构的莫比乌斯梯。
An independent set of vertices S of a graph dominates the graph efficiently if every vertex of the graph is either in S or has precisely one neighbour in S. In this paper we prove that a connected cubic vertex-transitive graph on a power of 2 vertices has a set that dominates it efficiently if and only if it is not isomorphic to a Möbius ladder.