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Cantó Colomina, R.; Ricarte Benedito, B.; Urbano Salvador, AM. (2013). Quasi-LDU factorization of nonsingular totally nonpositive matrices. Linear Algebra and its Applications. 439(4):836-851. https://doi.org/10.1016/j.laa.2012.06.010
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Título: | Quasi-LDU factorization of nonsingular totally nonpositive matrices | |
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Let A = (a(ij)) is an element of R-nxn be a nonsingular totally nonpositive matrix. In this paper we describe some properties of these matrices when a(11) = 0 and obtain a characterization in terms of the quasi-LDU ...[+]
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Derechos de uso: | Reserva de todos los derechos | |
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Versión del editor: | http://dx.doi.org/10.1016/j.laa.2012.06.010 | |
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The authors are very grateful to the referees for their helpful suggestions. This research was supported by the Spanish DGI Grant MTM2010-18228 and the Programa de Apoyo a la Investigacion y Desarrollo (PAID-06-10) of the ...[+]
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