Descripción
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Firstly,we give conditions for the existence of the groupinverse of the 2 × 2 matrix M = ?a c b d? over an arbitrary ring R with unity 1. Our second purpose is to derive a representation for the group inverse of M in the case when either the entry a or d has group inverse in R.We illustrate our results with some numerical examples in the setting of 2 × 2 complex block matrices. | |
Internacional
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Si |
JCR del ISI
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Si |
Título de la revista
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Linear Algebra And Its Applications |
ISSN
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0024-3795 |
Factor de impacto JCR
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0,968 |
Información de impacto
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Datos JCR del año 2012 |
Volumen
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438 |
DOI
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http://dx.doi.org/10.1016/j.laa.2012.12.037 |
Número de revista
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9 |
Desde la página
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3600 |
Hasta la página
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3609 |
Mes
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SIN MES |
Ranking
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