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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/21728
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dc.contributor.authorDimitrov, D. K.-
dc.contributor.authorPena, J. M.-
dc.date.accessioned2014-05-20T14:01:34Z-
dc.date.available2014-05-20T14:01:34Z-
dc.date.issued2005-02-01-
dc.identifierhttp://dx.doi.org/10.1016/j.jat.2004.10.010-
dc.identifier.citationJournal of Approximation Theory. San Diego: Academic Press Inc. Elsevier B.V., v. 132, n. 2, p. 212-223, 2005.-
dc.identifier.issn0021-9045-
dc.identifier.urihttp://hdl.handle.net/11449/21728-
dc.description.abstractWe establish sufficient conditions for a matrix to be almost totally positive, thus extending a result of Craven and Csordas who proved that the corresponding conditions guarantee that a matrix is strictly totally positive. Then we apply our main result in order to obtain a new criteria for a real algebraic polynomial to be a Hurwitz one. The properties of the corresponding extremal Hurwitz polynomials are discussed. (C) 2004 Elsevier B.V. All rights reserved.en
dc.format.extent212-223-
dc.language.isoeng-
dc.publisherElsevier B.V.-
dc.sourceWeb of Science-
dc.subjecttotally positive matrixpt
dc.subjectstrictly totally positive matrixpt
dc.subjectshadows' lemmapt
dc.subjectHurwitz polynomialpt
dc.subjectentire function in the Laguerre-Polya classpt
dc.titleAlmost strict total positivity and a class of Hurwitz polynomialsen
dc.typeoutro-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniv Zaragoza-
dc.description.affiliationUniv Estadual Paulista, IBILCE, Dept Ciência Comp & Estatist, São Paulo, Brazil-
dc.description.affiliationUniv Zaragoza, Dept Matemat Aplicada, E-50009 Zaragoza, Spain-
dc.description.affiliationUnespUniv Estadual Paulista, IBILCE, Dept Ciência Comp & Estatist, São Paulo, Brazil-
dc.identifier.doi10.1016/j.jat.2004.10.010-
dc.identifier.wosWOS:000227196700004-
dc.rights.accessRightsAcesso aberto-
dc.identifier.fileWOS000227196700004.pdf-
dc.relation.ispartofJournal of Approximation Theory-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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