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Tesis Doctoral
Robustness of nonuniform and random exponential dichotomies with applications to differential equations
dc.contributor.advisor | Langa Rosado, José Antonio | es |
dc.contributor.advisor | Carvalho, Alexandre Nolasco | es |
dc.creator | Oliveira Sousa, Alexandre N. | es |
dc.date.accessioned | 2022-05-17T06:41:28Z | |
dc.date.available | 2022-05-17T06:41:28Z | |
dc.date.issued | 2022-03-17 | |
dc.identifier.citation | Oliveira Sousa, A.N. (2022). Robustness of nonuniform and random exponential dichotomies with applications to differential equations. (Tesis Doctoral Inédita). Universidad de Sevilla, Sevilla. | |
dc.identifier.uri | https://hdl.handle.net/11441/133372 | |
dc.description.abstract | In this thesis, we study hyperbolicity for deterministic and random nonautonomous dynamical systems and their applications to differential equations. More precisely, we present results in the following topics: nonuniform hyperbolicity for evolution processes and hyperbolicity for nonautonomous random dynamical systems. In the first topic, we study the robustness of the nonuniform exponential dichotomy for continuous and discrete evolution processes. We present an example of an infinitedimensional differential equation that admits a nonuniform exponential dichotomy and apply the robustness result. Moreover, we study the persistence of nonuniform hyperbolic solutions in semilinear differential equations. Furthermore, we introduce a new concept of nonuniform exponential dichotomy, provide examples, and prove a stability result under perturbations for it. In the second topic, we introduce exponential dichotomies for random and nonautonomous dynamical systems. We prove a robustness result for this notion of hyperbolicity and study its applications to random and nonautonomous differential equations. Among these applications, we study the existence and continuity of random hyperbolic solutions and their associated unstable manifolds. As a consequence, we obtain continuity and topological structural stability for nonautonomous random attractors. | es |
dc.format | application/pdf | es |
dc.format.extent | 128 p. | es |
dc.language.iso | eng | es |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | Robustness of nonuniform and random exponential dichotomies with applications to differential equations | es |
dc.type | info:eu-repo/semantics/doctoralThesis | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Ecuaciones Diferenciales y Análisis Numérico | es |
dc.publication.endPage | 123 | es |
Ficheros | Tamaño | Formato | Ver | Descripción |
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Oliveira Sousa, Alexandre Tesis.pdf | 866.0Kb | [PDF] | Ver/ | |