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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2023.tde-10042023-163740
Document
Author
Full name
Estela Garcia
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2023
Supervisor
Committee
Manfio, Fernando (President)
Canevari, Samuel da Cruz
Fukuoka, Ryuichi
Mencattini, Igor
Title in Portuguese
Subvariedades com fibrado normal flat em espaços produto.
Keywords in Portuguese
Classe A
Curvatura média paralela
Espaços produto.
Fibrado normal flat
Subvariedades Einstein
Abstract in Portuguese
Neste trabalho apresentamos alguns resultados da teoria de subvariedades em espaços produto do tipo Qn ×R. No primeiro resultado central estudamos subvariedades em Qn ×R que admitem campos normais principais. Provamos que o correspondente autoespaço é uma distribuição esférica e estudamos o comportamento das correspondentes folhas. Em nosso segundo resultado obtemos uma classificação daquelas subvariedades com fibrado normal flat e que admitem, exatamente, duas normais principais distintas. Finalmente, em nosso terceiro resultado principal, realizamos um estudo sobre subvariedades Einstein com fibrado normal flat e vetor curvatura média paralelo, estendendo o trabalho de Onti (ONTI, 2018) em espaços de forma.
Title in English
Submanifolds with flat normal bundle in product spaces
Keywords in English
Class A , Product spaces.
Einstein submanifolds
Flat normal bundle
Parallel mean curvature
Abstract in English
In this work we prove some results in submanifold theory for isometric immersions into product spaces Qn ×R. In our first main theorem we study submanifols in Qn ×R carrying a principal curvature normal. We prove that the corresponding eigenbundle is a spherical distribution. Moreover, we study the behavior of the corresponding leaves. In our second main result, we get a classification of those submanifolds with flat normal bundle and that have exactly two distinct principal normal vector fields. Finally, in our third main result, we carry out a study about Einstein submanifolds with flat normal bundles and parallel mean curvature vector vector, extending the work in space forms by Onti (ONTI, 2018).
 
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EstelaGarcia_DO.pdf (551.06 Kbytes)
Publishing Date
2023-05-11
 
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