Bicyclic oriented graphs with skew-rank 2 or 4

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摘要

The skew-rank of oriented graph Gσ, denoted by sr(Gσ), is the rank of the skew-adjacency matrix of Gσ. The skew-rank is even since the skew-adjacency matrix is skew-symmetric. In this paper we characterize the bicyclic oriented graphs with skew-rank 2 or 4.

论文关键词：Oriented graph,Skew-adjacency matrix,Skew-rank,Rank,Bicyclic graph

论文评审过程：Available online 24 February 2015.

论文官网地址：https://doi.org/10.1016/j.amc.2015.02.014