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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2011.tde-06062011-144300
Document
Author
Full name
Andreza Cristina Beezao
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2011
Supervisor
Committee
Zani, Sergio Luis (President)
Bergamasco, Adalberto Panobianco
Kirilov, Alexandre
Title in Portuguese
Prescrição de singularidades analíticas de soluções de uma classe de campos vetoriais no toro
Keywords in Portuguese
Hipoeliticidade analítica global
Solução singular
Suporte singular analítico
Abstract in Portuguese
Seja L '= PONTO' '\partial IND. t' + ['a(t) + ib (t)] '\partial IND. x' um operador diferencial parcial agindo em distribuições definidas no toro bidimensional 'T POT. 2'; onde a; b : 'T POT. 1' ' SETA' R são funções analíticas reais. Suponhamos que L não ée globalmente analítico hipoelítico e b não é uma função identicamente nula. O objetivo principal deste trabalho é o estudo das soluções singulares de L; através da natureza e da localização das suas singularidades. Com este intuito, primeiramente abordaremos a teoria das séries parciais de Fourier, que nos permitem relacionar o comportamento assintótico dos coeficientes parciais de Fourier de um dado objeto com a regularidade do mesmo
Title in English
Prescribing analytic singularities for solutions of a class of vector fields on the torus
Keywords in English
Analytic singular support
Global analytic hipoellipticity
Singular solution
Abstract in English
Let L '= PONTO' '\partial ind. t' + [ a (t) + ib (t) ] '\partial IND. x' be a partial differential operator acting on distributions on the two-torus 'T POT. 2' , where a; b : 'T POT. 1' 'ARROW' R are real analytic functions. Assume that L is not a globally analytic hypoelliptic operator and b is not identically zero. The main goal of this work is the study of the singular solutions of L; by means of the nature and localization of their singularities. To this end, we first study the theory of partial Fourier series, which are a useful tool to analyze the regularity of a given distribution
 
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Publishing Date
2011-06-06
 
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