Diagonal dominance, Schur complements and some classes of H-matrices and P-matrices |
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| Authors: | Juan Manuel Pe?a |
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| Institution: | 1. Departamento de Matem??tica Aplicada/IUMA, Universidad de Zaragoza, 50009, Zaragoza, Spain
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| Abstract: | We analyze a class of matrices generalizing strictly diagonally dominant matrices and included in the important class of H-matrices. Adequate pivoting strategies and the corresponding Schur complements are studied. A new class of matrices with all their principal minors positive is presented. |
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