The graphs of the unambiguous entries in the product of two \((+,-)\) sign pattern matrices

DOI10.1016/S0024-3795(97)80006-7zbMath0881.05089MaRDI QIDQ1361772

Carolyn A. Eschenbach, Charles R. Johnson, Frank J. Hall, Zhongshan Li

Publication date: 9 September 1997

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

zbMATH Keywords

sign pattern matrixpermutation digraphs

Mathematics Subject Classification ID

Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Edge subsets with special properties (factorization, matching, partitioning, covering and packing, etc.) (05C70) Directed graphs (digraphs), tournaments (05C20)

Related Items (3)

The period and base of a reducible sign pattern matrix ⋮ How many negative entries can \(A^ 2\) have? ⋮ Square nearly nonpositive sign pattern matrices

Cites Work

• Sign patterns that require repeated eigenvalues
• On the period and base of a sign pattern matrix

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