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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

Superfícies mínimas de Laguerre e geometria isotrópica / Laguerre geoemtry surfaces and isotropic geometry

Reyes, Edwin Oswaldo Salinas 29 February 2016 (has links)
Submitted by Marlene Santos (marlene.bc.ufg@gmail.com) on 2016-08-04T19:38:03Z No. of bitstreams: 2 Mestrado - Edwin Oswaldo Salinas Reyes - 2016.pdf: 1254340 bytes, checksum: f20230521814efa37f16e24f8d80f74e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Luciana Ferreira (lucgeral@gmail.com) on 2016-08-05T12:33:56Z (GMT) No. of bitstreams: 2 Mestrado - Edwin Oswaldo Salinas Reyes - 2016.pdf: 1254340 bytes, checksum: f20230521814efa37f16e24f8d80f74e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2016-08-05T12:33:56Z (GMT). No. of bitstreams: 2 Mestrado - Edwin Oswaldo Salinas Reyes - 2016.pdf: 1254340 bytes, checksum: f20230521814efa37f16e24f8d80f74e (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2016-02-29 / Conselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq / In this work we refer to the study of a new method and simple approach to minimal surface Laguerre in isotropic model of Laguerre geometry as the bi-harmonic function graph. We developed the isotropic geometry which studies the geometric properties invariant under certain affine transformations in Euclidean space, and the fundamental elements of Laguerre geometry which are spheres orienteds and plans orienteds, and properties which are invariant on the transformation of Laguerre. In addition, we will show a close relationship between minimal surfaces Laguerre spherical type and isotropic minimal surfaces which are given by the graph of harmonic functions and minimal Euclidean surfaces. Finally, the duality metric in the isotropic space is used to develop an isotropic exchange for minimal surfaces Laguerre in certain Lie transformation of Laguerre minimal surfaces in Euclidean space. / Neste trabalho nos referimos ao estudo de um novo método de desenvolvimento de superfícies mínimas de Laguerre vista no modelo isotrópico da geometria de Laguerre como o gráfico de funções bi-harmônicas. Desenvolvemos a geometria isotrópica a qual estuda as propriedades geométricas invariantes por certas transformações afines no espaço Euclidiano, os elementos fundamentais da geometria de Laguerre as quais são esferas e planos orientados e as propriedades as quais são invariantes sobre as transformações de Laguerre. Além disso, mostraremos uma relação fechada entre superfícies mínimas de Laguerre do tipo esférico e superfícies mínimas isotrópicas as quais são dadas pelo gráfico de funções harmônicas e superfícies mínimas Euclidianas. Finalmente, a métrica dual no espaço isotrópico é utilizada para desenvolver uma contrapartida isotrópica de superfícies mínimas de Laguerre em certas transformações de Lie de superfícies mínimas de Laguerre no espaço Euclidiano.

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