Fluidos perfeitos estáticos com simetrias
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Tipo de documento: | Tese |
Idioma: | por |
Título da fonte: | Repositório Institucional da UFG |
Texto Completo: | http://repositorio.bc.ufg.br/tede/handle/tede/9570 |
Resumo: | This work presents a two step procedure that is virtually capable of producing an infinite number of exact solutions to Einstein's equation of a perfect fluid on a static manifold. These steps could roughly be described as: 1) classifying the symmetries of the referred equation that convert it into a second order non linear ordinary differential equation of very specific nature -- whose solutions are a whole lot easier to come up with than those of the original problem, and 2) solving this ordinary equation -- which quite explains the need for the word `virtually' above, since not all solutions of the ordinary equation are known to its exact form. Finally, in the last chapter, we utilize a Theorem due to Liouville to determine the rigid motions of Riemannian metrics on euclidean space that do admit symmetries in a translational group and also belong to the conformal class of the flat metric. |
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Pina, Romildo da Silvahttp://lattes.cnpq.br/2675728978857991Corro, Armando Mauro VasquezLeandro Neto, BeneditoManfio, FernandoMarrocos, Marcus Antônio MendonçaPina, Romildo da Silvahttp://lattes.cnpq.br/7424938589034336Barboza, Marcelo Bezerra2019-05-06T12:47:30Z2019-04-25BARBOZA, Marcelo Bezerra. Fluidos perfeitos estáticos com simetrias. 2019. 72 f. Tese (Doutorado em Matemática) - Universidade Federal de Goiás, Goiânia, 2019.http://repositorio.bc.ufg.br/tede/handle/tede/9570This work presents a two step procedure that is virtually capable of producing an infinite number of exact solutions to Einstein's equation of a perfect fluid on a static manifold. These steps could roughly be described as: 1) classifying the symmetries of the referred equation that convert it into a second order non linear ordinary differential equation of very specific nature -- whose solutions are a whole lot easier to come up with than those of the original problem, and 2) solving this ordinary equation -- which quite explains the need for the word `virtually' above, since not all solutions of the ordinary equation are known to its exact form. Finally, in the last chapter, we utilize a Theorem due to Liouville to determine the rigid motions of Riemannian metrics on euclidean space that do admit symmetries in a translational group and also belong to the conformal class of the flat metric.Este trabalho apresenta um procedimento em duas etapas com o qual é virtualmente possível que se produzam a uma infinidade de soluções exatas para a equação de Einstein de um fluido perfeito em uma variedade estática. Essas etapas poderiam, a grosso modo, ser descritas como: 1) a classificação das simetrias da referida equação que a convertem em uma equação diferencial ordinária não linear de segunda ordem de natureza muito específica -- cujas soluções são muito mais fáceis de serem encontradas do que as do problema original, e 2) a resolução desta equação ordinária -- o que explica a necessidade pela palavra `virtualmente' acima, já que nem todas as soluções desta equação ordinária são conhecidas em forma exata. Finalmente, no último capítulo, utilizamos um Teorema devido a Liouville para determinar os movimentos rígidos de métricas Riemannianas no espaço euclidiano as quais admitem simetrias em um grupo de translações e que, também, pertencem à classe de equivalência conforme da métrica plana.Submitted by Ana Caroline Costa (ana_caroline212@hotmail.com) on 2019-05-03T19:47:06Z No. of bitstreams: 2 Tese - Marcelo Bezerra Barboza - 2019.pdf: 2947573 bytes, checksum: dbbfe5faf44c4356a3d9841a5d13b4f9 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2019-05-06T12:47:30Z (GMT) No. of bitstreams: 2 Tese - Marcelo Bezerra Barboza - 2019.pdf: 2947573 bytes, checksum: dbbfe5faf44c4356a3d9841a5d13b4f9 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5)Made available in DSpace on 2019-05-06T12:47:30Z (GMT). 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dc.title.eng.fl_str_mv |
Fluidos perfeitos estáticos com simetrias |
dc.title.alternative.eng.fl_str_mv |
Static perfect fluids with symmetries |
title |
Fluidos perfeitos estáticos com simetrias |
spellingShingle |
Fluidos perfeitos estáticos com simetrias Barboza, Marcelo Bezerra Equação de Einstein Fluido perfeito Variedade estática Simetria Einstein equation Perfect fluid Static manifold Symmetry CIENCIAS EXATAS E DA TERRA::MATEMATICA |
title_short |
Fluidos perfeitos estáticos com simetrias |
title_full |
Fluidos perfeitos estáticos com simetrias |
title_fullStr |
Fluidos perfeitos estáticos com simetrias |
title_full_unstemmed |
Fluidos perfeitos estáticos com simetrias |
title_sort |
Fluidos perfeitos estáticos com simetrias |
author |
Barboza, Marcelo Bezerra |
author_facet |
Barboza, Marcelo Bezerra |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Pina, Romildo da Silva |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/2675728978857991 |
dc.contributor.referee1.fl_str_mv |
Corro, Armando Mauro Vasquez |
dc.contributor.referee2.fl_str_mv |
Leandro Neto, Benedito |
dc.contributor.referee3.fl_str_mv |
Manfio, Fernando |
dc.contributor.referee4.fl_str_mv |
Marrocos, Marcus Antônio Mendonça |
dc.contributor.referee5.fl_str_mv |
Pina, Romildo da Silva |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/7424938589034336 |
dc.contributor.author.fl_str_mv |
Barboza, Marcelo Bezerra |
contributor_str_mv |
Pina, Romildo da Silva Corro, Armando Mauro Vasquez Leandro Neto, Benedito Manfio, Fernando Marrocos, Marcus Antônio Mendonça Pina, Romildo da Silva |
dc.subject.por.fl_str_mv |
Equação de Einstein Fluido perfeito Variedade estática Simetria |
topic |
Equação de Einstein Fluido perfeito Variedade estática Simetria Einstein equation Perfect fluid Static manifold Symmetry CIENCIAS EXATAS E DA TERRA::MATEMATICA |
dc.subject.eng.fl_str_mv |
Einstein equation Perfect fluid Static manifold Symmetry |
dc.subject.cnpq.fl_str_mv |
CIENCIAS EXATAS E DA TERRA::MATEMATICA |
description |
This work presents a two step procedure that is virtually capable of producing an infinite number of exact solutions to Einstein's equation of a perfect fluid on a static manifold. These steps could roughly be described as: 1) classifying the symmetries of the referred equation that convert it into a second order non linear ordinary differential equation of very specific nature -- whose solutions are a whole lot easier to come up with than those of the original problem, and 2) solving this ordinary equation -- which quite explains the need for the word `virtually' above, since not all solutions of the ordinary equation are known to its exact form. Finally, in the last chapter, we utilize a Theorem due to Liouville to determine the rigid motions of Riemannian metrics on euclidean space that do admit symmetries in a translational group and also belong to the conformal class of the flat metric. |
publishDate |
2019 |
dc.date.accessioned.fl_str_mv |
2019-05-06T12:47:30Z |
dc.date.issued.fl_str_mv |
2019-04-25 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/doctoralThesis |
format |
doctoralThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
BARBOZA, Marcelo Bezerra. Fluidos perfeitos estáticos com simetrias. 2019. 72 f. Tese (Doutorado em Matemática) - Universidade Federal de Goiás, Goiânia, 2019. |
dc.identifier.uri.fl_str_mv |
http://repositorio.bc.ufg.br/tede/handle/tede/9570 |
identifier_str_mv |
BARBOZA, Marcelo Bezerra. Fluidos perfeitos estáticos com simetrias. 2019. 72 f. Tese (Doutorado em Matemática) - Universidade Federal de Goiás, Goiânia, 2019. |
url |
http://repositorio.bc.ufg.br/tede/handle/tede/9570 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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6600717948137941247 |
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600 600 600 |
dc.relation.department.fl_str_mv |
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dc.relation.cnpq.fl_str_mv |
-7090823417984401694 |
dc.rights.driver.fl_str_mv |
http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess |
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http://creativecommons.org/licenses/by-nc-nd/4.0/ |
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openAccess |
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Universidade Federal de Goiás |
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Programa de Pós-graduação em Matemática (IME) |
dc.publisher.initials.fl_str_mv |
UFG |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Instituto de Matemática e Estatística - IME (RG) |
publisher.none.fl_str_mv |
Universidade Federal de Goiás |
dc.source.none.fl_str_mv |
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