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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2014.tde-23092014-165650
Document
Author
Full name
Jéssyca Lange Ferreira Melo
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2014
Supervisor
Committee
Santos, Ederson Moreira dos (President)
Furtado, Marcelo Fernandes
Paiva, Francisco Odair Vieira de
Soares, Sérgio Henrique Monari
Souto, Marco Aurélio Soares
Title in Portuguese
Sobre a multiplicidade de soluções positivas para uma classe de problemas elípticos de quarta-ordem via categoria de Lusternik-Schnirelman
Keywords in Portuguese
Categoria de Lusternik-Schnirelman
Operador biharmônico
Problema de quarta-ordem
Regiões crítica e não-crítica
Abstract in Portuguese
Neste trabalho estudamos a existência e a multiplicidade de soluções clássicas positivas para uma classe de problemas de quarta-ordem sob a condição de fronteira de Navier, relacionando o número de soluções com a topologia do domínio, mais precisamente, com sua categoria de Lusternik-Schnirelman. Introduzimos também uma noção de regiões crítica e não-crítica associadas a um de nossos problemas, a fim de garantir condições para existência de solução
Title in English
On the multiplicity of positive solutions for a class of fourth-order elliptic problems by Lusternik-Schnirelman category
Keywords in English
Biharmonic operator
Critical and noncritical regions
Fourth-order problem
Lusternik-Schnirelman category
Abstract in English
In this work we study the existence and multiplicity of positive classical solutions for a class of fourth-order problems under Navier boundary condition, relating the number of solutions to the domain topology, more specifically, to its Lusternik-Schnirelman category. We also introduce the notion of critical and noncritical regions related to one of our problems, in order to ensure conditions to existence of solutions
 
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Publishing Date
2014-09-24
 
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