Averaging, Conley index continuation and recurrent dynamics in almost-periodic parabolic equations

dc.creatorPrizzi, Martino
dc.date2004-02-03
dc.date.accessioned2026-07-07T05:05:05Z
dc.date.available2026-07-07T05:05:05Z
dc.descriptionWe study a non-autonomous parabolic equation with almost-periodic, rapidly oscillating principal part and nonlinear interactions. We associate to the equation a skew-product semiflow and, for a special class of nonlinearities, we define the Conley index of an isolated invariant set. As the frequency of the oscillations tends to infinity, we prove that every isolated invariant set of the averaged autonomous equation can be continued to an isolated invariant set of the skew-product semiflow associated to the non-autonomous equation. Finally, we illustrate some examples in which the Conley index can be explicitely computed and can be exploited to detect the existence of recurrent dynamics in the equation.
dc.description19 pages
dc.identifierhttps://arxiv.org/abs/math/0402040
dc.identifierhttp://arxiv.org/abs/math/0402040
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/70046
dc.subjectAnalysis of PDEs
dc.subjectDynamical Systems
dc.subject37B30; 37B55; 35K57; 43A60
dc.titleAveraging, Conley index continuation and recurrent dynamics in almost-periodic parabolic equations
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