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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2009.tde-30032010-104911
Document
Author
Full name
Leonardo Avila
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2009
Supervisor
Committee
Zani, Sergio Luis (President)
Bergamasco, Adalberto Panobianco
Hoepfner, Gustavo
Title in Portuguese
Sobre singularidades analíticas de soluções de uma classe de campos vetoriais no Toro
Keywords in Portuguese
Distribuições periódicas
Funções analíticas reais
Hipoeliticidade analítica global
Operadores diferenciais parciaisno toro
Séries de Fourier
Soluções singulares
Stationary phase method
Steepest descent method
Abstract in Portuguese
O objetivo principal deste trabalho é o estudo da regularidade anallítica global de certos operadores diferenciais definidos no toro. Uma ferramenta fundamental utilizada neste estudo são as séries parciais de Fourier, que nos permitem caracterizar tanto as distribuições periódicas quanto as funções anallíticas reais periódicas através do comportamento assintótico de seus coeficientes parciais de Fourier. Neste sentido, apresentamos também um estudo detalhado das relações destes objetos com seus coeficientes parciais de Fourier
Title in English
On analytic singularities of a class of vector fields on the torus
Keywords in English
Differential partial operators on the Torus
Fourier series
Global analytic
Hipoellitptic
Periodic distributions
Real analytic functions
Singular solutions
Stationary phase method
Steepet descent method
Abstract in English
The main goal of this work is to study global analytic regularity properties of certain differential operators acting in the torus. A main tool that will be used to achieve our goals are the partial Fourier series, which allow us to characterize objects such as periodic distributions or periodic real analytic functions in terms of the growth of their partial Fourier coefficients
 
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Publishing Date
2010-04-30
 
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