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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 de Bianchi com ângulo de Chebyshev constante / Bianchi Surfaces with constant angle of Chebyshev

BEZERRA, Adriano Cavalcante 01 October 2010 (has links)
Made available in DSpace on 2014-07-29T16:02:15Z (GMT). No. of bitstreams: 1 dissertacao Adriano Cavalcante Bezerra.pdf: 484404 bytes, checksum: 72450d49d93a21a54265eff96e678e85 (MD5) Previous issue date: 2010-10-01 / The Bianchi surfaces belong to a class of surfaces with negative Gaussian curvature, discovered by generalization of Backlund transformation for surfaces with constant negative Gaussian curvature [3]. Today these areas are studied from the viewpoint of the theory of integrable systems. In this paper we study Bianchi surfaces parameterized by a Generalized Chebyshev net and show that such a surfaces with Chebyshev constant angle is a piece of a right helicoid, see [1]. / As superfícies de Bianchi pertencem a uma classe de superfícies com curvatura Gaussiana negativa, descobertas pela generalização da transformação de Backlund para superfícies com curvatura Gaussiana negativa constante [3]. Hoje em dia estas superfícies são estudadas do ponto de vista da teoria dos sistemas integráveis. Neste trabalho estudaremos superfícies de Bianchi parametrizadas pela Malha de Chebyshev Generalizada e mostraremos que tal superfície com ângulo de Chebyshev constante é um pedaço de helicóide, ver [1].

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