Rank Equalities for Block Matrices and Their Moore-Penrose Inverses

• Autores: Yongge Tian
• Localización: Houston journal of mathematics, ISSN 0362-1588, Vol. 30, Nº 2, 2004, págs. 483-510
• Idioma: inglés
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• Resumen

  • We present in this paper a variety of rank formulas for matrix expressions that involve Moore-Penrose inverses of block matrices, and use them to characterize various equalities for Moore-Penrose inverses of block matrices.