Bicyclic oriented graphs with skew-rank 2 or 4

Hui Qu and Guihai Yu

Applied Mathematics and Computation, 2015, vol. 258, issue C, 182-191

Abstract: 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.

Keywords: Oriented graph; Skew-adjacency matrix; Skew-rank; Rank; Bicyclic graph (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:258:y:2015:i:c:p:182-191

DOI: 10.1016/j.amc.2015.02.014

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