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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2021.tde-10052021-092848
Document
Author
Full name
Ana Lucília Chaves de Toledo
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2021
Supervisor
Committee
Grulha Junior, Nivaldo de Góes (President)
Andrade, Maria Gorete Carreira
Pereira, Miriam da Silva
Rizziolli, Elíris Cristina
Title in Portuguese
Fibrados vetoriais, operações e classes de Stiefel-Whitney
Keywords in Portuguese
Classes característica
Classes de Stiefel-Whitney
Fibrados vetoriais
Abstract in Portuguese
Nesta dissertação apresentamos um estudo sistemático sobre fibrados vetoriais, operações entre fibrados e classes características de Stiefel-Whitney, via definição axiomática. Assumimos a existência e a unicidade destas classes para abordar importantes resultados neste trabalho, como o Teorema da Dualidade de Whitney, o qual relaciona as classes de Stiefel-Whitney do fibrado tangente com as do fibrado normal, e o Teorema de Stiefel, que nos permite concluir quando um espaço projetivo real é paralelizável. Como aplicações significativas desta teoria, estudamos problemas relacionados a imersões de variedades e variedades cobordantes.
Title in English
Vector bundles, operations and Stiefel-Whitney classes
Keywords in English
Caracteristic classes
Stiefel-Whitney classes
Vector bundles
Abstract in English
In this dissertation, we present a systematic study on vector bundles, operations between bundles, and characteristic classes of Stiefel-Whitney, via axiomatic definition. We assume the existence and uniqueness of these classes to address meaningful results in this work, such as Whitneys Duality Theorem, which relates the Stiefel-Whitney classes of the tangent bundle to those of the normal bundle, and the Stiefel Theorem, which allows us to conclude when a real projective space is parallelizable. As significant applications of this theory, we studied problems related to the immersion of manifolds and cobordant manifolds.
 
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Publishing Date
2021-05-10
 
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