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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2019.tde-24102022-111718
Document
Author
Full name
Paulo Nicanor Seminario Huertas
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2019
Supervisor
Committee
Fu, Ma To (President)
Cavalcanti, Marcelo Moreira
Costa, Éder Rítis Aragão
Rubio, Pedro Marin
Title in English
Asymptotic dynamics of wave equations on compact Riemannian manifolds: sharp localized damping and supercritical forcing
Keywords in English
Global attractors
Nonlinear localized damping
Riemannian wave equations
Abstract in English
The present thesis is concerned with long-time dynamics of wave equations, defined on compact Riemannian manifolds, with boundary, and featuring localized damping and nonlinear forcing terms with supercritical Sobolev growth. The main objective is to construct optimal damping regions with arbitrarily small summed interior/boundary measure that imply the existence of a regular finite-dimensional global attractor. To this end, among other results, we prove a supercritical extension of a unique continuation theorem of Triggiani and Yao (2002).
Title in Portuguese
Dinâmica assintótica de equações de onda sobre variedades Riemannianas compactas: dissipação localizada ótima e forças supercríticas
Keywords in Portuguese
Amortecimento não linear localizado
Atratores globais
Equações da onda Riemannianas
Abstract in Portuguese
A presente tese é dedicada ao estudo da dinfimica a longo prazo de equaqées de ondas definidas sobre variedades Riemannianas compactas, com bordo, que possuam dissipagfio localizada e forgas corn crescimento Sobolev supercrltico. O objetivo principal é construir regiées de dissipagao com medida total (interior c fronteira) arbitrariamente pcquena, de forma a garantir a existéncia de atratores globais regulates dc dimensao finita. Entre outros resultados, provaremos uma versfio supercritica de um teorema de continuagao finica de Triggiani and Yao (2002)
 
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Publishing Date
2022-10-24
 
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