Algebraic constructions of the minimal forbidden digraphs of strong sign nonsingular matrices

DOI10.1016/S0024-3795(00)00103-8zbMath0965.05051MaRDI QIDQ1587888

Zhixiang Hu, Jia-yu Shao

Publication date: 19 April 2001

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

zbMATH Keywords

digraphssign patternminimal forbidden configurationsstrong sign nonsingular matrix

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Positive matrices and their generalizations; cones of matrices (15B48) Directed graphs (digraphs), tournaments (05C20)

Related Items (1)

The S\(^2\)NS digraphs and the cycle linear system of a digraph

Cites Work

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• When the sign pattern of a square matrix determines uniquely the sign pattern of its inverse
• On digraphs and forbidden configurations of strong sign nonsingular matrices
• Qualitative Economics and the Scope of the Correspondence Principle

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