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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2012.tde-15062012-162546
Document
Author
Full name
Cléber de Medeira
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2012
Supervisor
Committee
Bergamasco, Adalberto Panobianco (President)
Lopes Filho, Milton da Costa
Montenegro, Marcos da Silva
Santos Filho, José Ruidival Soares dos
Silva, Paulo Leandro Dattori da
Title in Portuguese
Resolubilidade global para uma classe de sistemas involutivos
Keywords in Portuguese
Números de Liouville
Resolubilidade global
Sistemas involutivos
Abstract in Portuguese
Estudamos a resolubilidade global de uma classe de sistemas involutivos com n campos vetoriais suaves definidos no toro de dimensão n + 1. Obtemos uma caracterização completa para o caso desacoplado desta classe em termos de formas de Liouville e da conexidade de todos os subníveis e superníveis, no espaço de recobrimento minimal, de uma primitiva global da 1-forma associada ao sistema. Além disso, apresentamos uma situação especial na qual o sistema não é globalmente resolúvel e usamos isso para obter alguns resultados em um caso com acoplamento mais forte
Title in English
Global solvability for a class of involutive systems
Keywords in English
Global solvability
Involutive systems
Liouville numbers
Abstract in English
We study the global solvability of a class of involutive systems with n smooth vector fields on the torus of dimension n + 1. We obtain a complete characterization for the uncoupled case of this class in terms of Liouville forms and of the connectedness of all sublevel and superlevel sets of the primitive of a certain 1-form in the minimal covering space. Also, we exhibit a special situation where the system is not globally solvable and we use this to obtain some results in a more general case
 
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cleberrev.pdf (584.71 Kbytes)
Publishing Date
2012-06-15
 
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