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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2018.tde-04102018-104056
Document
Author
Full name
Rosana Sueli da Motta Jafelice
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1993
Supervisor
Committee
Táboas, Plácido Zoega (President)
Baroni, Rosa Lucia Sverzut
Godoy, Sandra Maria Semensato de
Title in Portuguese
UM RESULTADO DE PERIODICIDADE PARA UMA EQUAÇÃO INTEGRO-DIFERENCIAL
Keywords in Portuguese
Não disponível
Abstract in Portuguese
Estamos interessados na equação integro-diferencial: x(t) = -2α[1 + x(t)] ∫-1/2-1 x(t + θ)dθ)dθ, α > 0. (E) Nosso objetivo é estudar as soluções periódicas de (E), que estão associadas aos pontos fixos de uma aplicação de retorno A sobre um conjunto fechado convexo do espaço de fase. Nós usamos um Teorema de R. Nussbaum para obter a existência de pontos fixos não triviais de A, quando α varia ao longo de uma sequência.
Title in English
Not available
Keywords in English
Not available
Abstract in English
We are concerned with the integro-differential equation: x(t) = -2α[1 + x(t)] ∫-1/2-1 x(t + θ)dθ)dθ, α > 0. (E) Our aim is to study the periodic solutions of (E), which are associated to fixed points of a return map A on a closed convex set of phase space. We use a fixed point theorem due to R. Nussbaum to accomplish the existence of nontrivial fixed points of A, when α varies along a sequence.
 
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Publishing Date
2018-10-04
 
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