Sign pattern matrices that admit \(P_{0}\)-matrices (Q551327)
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scientific article; zbMATH DE number 5924569
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Sign pattern matrices that admit \(P_{0}\)-matrices |
scientific article; zbMATH DE number 5924569 |
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Sign pattern matrices that admit \(P_{0}\)-matrices (English)
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15 July 2011
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A \(P_0\)-matrix is a real square matrix all of whose principal minors are nonnegative. In this paper necessary and sufficient conditions for the sign pattern of a (directed or undirected) cycle admits or requires a \(P_0\)-matrix are presented.
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sign pattern matrix
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\(P_{0}\)-matrix
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cycle
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