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dc.creatorCaraballo Garrido, Tomás es
dc.creatorLanga Rosado, José Antonio 
dc.creatorRobinson, James C. 
dc.date.accessioned2015-04-08T10:27:05Z
dc.date.available2015-04-08T10:27:05Z
dc.date.issued2001es
dc.identifier.issn1364-5021es
dc.identifier.issn1618-1891es
dc.identifier.urihttp://hdl.handle.net/11441/23633
dc.description.abstractWe study in some detail the structure of the random attractor for the Chafee{Infante reaction{di¬usion equation perturbed by a multiplicative white noise, du = (¢u + ­ u ¡ u3) dt + ¼ u ¯ dWt; x 2 D » Rm: First we prove, for m 65, a lower bound on the dimension of the random attractor, which is of the same order in ­ as the upper bound we derived in an earlier paper, and is the same as that obtained in the deterministic case. Then we show, for m = 1, that as ­ passes through ¶ 1 (the ­ rst eigenvalue of the negative Laplacian) from below, the system undergoes a stochastic bifurcation of pitchfork type. We believe that this is the ­ rst example of such a stochastic bifurcation in an in­ nite-dimensional setting. Central to our approach is the existence of a random unstable manifold.
dc.formatapplication/pdfes
dc.language.isoenges
dc.relation.ispartofProceedings - Royal Society. Mathematical, Physical and Engineering Sciences, 457(2013), 2041-2061es
dc.rightsAtribución-NoComercial-SinDerivadas 4.0 Españaes
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0es
dc.subjectRandom attractors
dc.subjectstochastic bifurcation
dc.subjectHausdorff dimension
dc.titleA Stochastic Pitchfork Bifurcation in a Reaction-Diffusion Equationes
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Ecuaciones Diferenciales y Análisis Numéricoes
dc.identifier.doihttp://dx.doi.org/10.1098/rspa.2001.0819es
dc.identifier.idushttps://idus.us.es/xmlui/handle/11441/23633

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