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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Uma demonstração topológica da existência das órbitas de Broucke para o problema isósceles de três corpos

CAVALCANTI, Anete Soares 14 September 2012 (has links)
Submitted by Fernanda Rodrigues de Lima (fernanda.rlima@ufpe.br) on 2018-07-25T21:21:54Z No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) TESE Anete Soares Cavalcanti.pdf: 3712208 bytes, checksum: 7e0521855f83e1876b5cd9e1fb697872 (MD5) / Approved for entry into archive by Alice Araujo (alice.caraujo@ufpe.br) on 2018-07-27T21:50:30Z (GMT) No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) TESE Anete Soares Cavalcanti.pdf: 3712208 bytes, checksum: 7e0521855f83e1876b5cd9e1fb697872 (MD5) / Made available in DSpace on 2018-07-27T21:50:30Z (GMT). No. of bitstreams: 2 license_rdf: 811 bytes, checksum: e39d27027a6cc9cb039ad269a5db8e34 (MD5) TESE Anete Soares Cavalcanti.pdf: 3712208 bytes, checksum: 7e0521855f83e1876b5cd9e1fb697872 (MD5) Previous issue date: 2012-09-14 / Apresentaremos aqui uma demonstração topológica da existência de certas órbitas periódicas simétricas no problema isósceles planar de três corpos, chamadas órbitas de Broucke. Esta prova é baseada na construção de um conjunto de Wazewski no espaço de fase. Encontramos essa família de órbitas periódicas por um “shooting argument”, escolhendo um conjunto de condições iniciais no conjunto de Wazewski o qual fazemos fluir pelo fluxo do problema isósceles no espaço de fase, obtendo as condições de saída desejadas. / We will present a topological proof for the existence of certain symmetrical periodic orbits of the planar isosceles three-body problem, called Broucke’s orbits. This proof is based on the construction of a Wazewski set in phase space. We find this family of periodic orbits by a shooting argument, choosing one set of initial conditions in the Wazewski’s set, and letting it flow in the phase space, obtaining the desired exit condition.

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