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Master's Dissertation
DOI
https://doi.org/10.11606/D.45.1998.tde-20210729-020444
Document
Author
Full name
Daniel Victor Tausk
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 1998
Supervisor
Title in Portuguese
Regularidade de curvas minimizantes em espaços sub-riemannianos homogêneos
Keywords in Portuguese
Geometria Diferencial
Abstract in Portuguese
Estudamos o problema da regularidade de curvas minimizantes do comprimento de arco em variedades sub-Riemannianas. Construímos uma família original de variedades sub-Riemannianas homogêneas onde conseguimos demostrar que toda curva minimizante parametrizada por comprimento de arco é infinitamente diferenciável. Isso generaliza um resultado similar obtido por Montgomery para grupos de Lie compactos com distribuição invariante à esquerda ortogonal a um toro maximal. Fazemos uma exposição auto-contida da teoria básica das álgebras de Lie involutivas ortogonais, a qual é usada na construção das variedades sub-Riemannianas estudadas
Title in English
not available
Abstract in English
We study the problem of the regularity of arc length minimizing curves on sub-Riemannian mainifolds. We construct an original family of examples of homogeneous sub-Riemannian manifolds in which we can prove that every minimizing curve parametrized by arc length is smooth. This generalizes a similar theorem proved by Montgomery for compact Lie groups with a left invariant distribution orthogonal involutive Lie algebras, which is used in the construction of teh sub-Riemannian manifolds studie here
 
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TauskDanielVictor.pdf (10.63 Mbytes)
Publishing Date
2021-07-29
 
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