Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/11179
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dc.contributor.authorFidalgo, Carla-
dc.contributor.authorKovačec, Alexander-
dc.date.accessioned2009-08-26T14:44:21Z-
dc.date.available2009-08-26T14:44:21Z-
dc.date.issued2009-
dc.identifier.citationPré-Publicações DMUC. 09-09 (2009)en_US
dc.identifier.urihttp://hdl.handle.net/10316/11179-
dc.description.abstractUsing our recent results on diagonal minus tail forms, we give an easily tested sufficient condition for a polynomial f(x) = P i2I fixi in IR[x] = IR[x1, . . . , xn], to be a sum of squares of polynomials (sos). We show that the class of polynomials passing this test is wider than the class passing Lasserre’s recent conditions. Another sufficient condition for f to be sos, like Lasserre’s piecewise linear in the fi, is also given.en_US
dc.language.isoengen_US
dc.publisherCentro de Matemática da Universidade de Coimbraen_US
dc.rightsopenAccesseng
dc.titleDiagonal minus tail forms and Lasserre's sufficient conditions for sums of squaresen_US
dc.typepreprinten_US
item.fulltextCom Texto completo-
item.grantfulltextopen-
item.languageiso639-1en-
Appears in Collections:FCTUC Matemática - Vários
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