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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

Parametrização de uma hipersuperfície via função suporte no espaço hiperbólico / Parameterization of a hypersurface via support function in the hyperbolic space

Mendez, Milton Javier Cárdenas 26 February 2018 (has links)
Submitted by Franciele Moreira (francielemoreyra@gmail.com) on 2018-03-15T13:27:07Z No. of bitstreams: 2 Dissertação - Milton Javier Cárdenas Mendez - 2018.pdf: 1063682 bytes, checksum: ab9f203ee1a315ae8756973bcd7c0789 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2018-03-16T11:08:51Z (GMT) No. of bitstreams: 2 Dissertação - Milton Javier Cárdenas Mendez - 2018.pdf: 1063682 bytes, checksum: ab9f203ee1a315ae8756973bcd7c0789 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2018-03-16T11:08:51Z (GMT). No. of bitstreams: 2 Dissertação - Milton Javier Cárdenas Mendez - 2018.pdf: 1063682 bytes, checksum: ab9f203ee1a315ae8756973bcd7c0789 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2018-02-26 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / First objective will revise the hyperbolic Gauss map for hypersurfaces Mn C Hn+1 and its relation with tangent horospheres. We will introduce horospherical ovaloids as compact hypersurfaces with regular hyperbolic Gauss map and analyze their properties, analyzes the possible formulations of the Christoffel problem in Hn+1 and that this leads to the notion of hyperbolic curvature radii. Second objective we will prove that the Nirenberg problem on Sn is equivalent to the Christoffel problem in Hn+1. This equivalence is made explicit by means of a representation formula for hypersurfaces in terms of the hyperbolic Gauss map and the horospherical support function. / Nosso primeiro objetivo é revisar a aplicação hiperbólica de Gauss para hipersuperfícies Mn C Hn+1 e sua relação com as horoesferas tangentes, vamos apresentar ovaloides horoesfericos como hipersuperfícies compactas com aplicação regular hiperbólica de Gauss, além disso, queremos dar uma possível formulação do problema de Christoffel em H n+1 com a noção de raios de curvatura hiperbólica. Nosso segundo objetivo é mostrar que o problema de Christoffel em Hn+1 é equivalente ao problema de Nirenberg em Sn, isso é equivalente, dar uma parametrizacão de uma hipersuperfície em termos da aplicão hiperbólica de Gauss e da função suporte horoesferica.

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