Number of nonzero entries of \(S^{2}NS\) matrices and matrices with signed generalized inverses.

DOI10.1016/S0024-3795(03)00428-2zbMath1036.15005OpenAlexW2065820861MaRDI QIDQ1414142

Hai-Ying Shan, Jin-Ling He, Jia-yu Shao

Publication date: 19 November 2003

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

Full work available at URL: https://doi.org/10.1016/s0024-3795(03)00428-2

zbMATH Keywords

digraphgeneralized inverseMoore-Penrose inversesign patternnumber of nonzero elementsstrong signed nonsingular matrices

Mathematics Subject Classification ID

Theory of matrix inversion and generalized inverses (15A09) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Positive matrices and their generalizations; cones of matrices (15B48)

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