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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 Helicoidais no espaço Euclidiano e de Minkowski / Helicoidal surfaces in Euclidean space and Minkowski space

SOUZA, Danillo Flugge de 31 May 2012 (has links)
Made available in DSpace on 2014-07-29T16:02:21Z (GMT). No. of bitstreams: 1 Superficies helicoidais.pdf: 906474 bytes, checksum: 1d89336393ea70fe9a7948ddebe670f9 (MD5) Previous issue date: 2012-05-31 / In this work, based in [2] and [6] we studies helicoidal surfaces of the Euclidean space and Minkowski space R31 with prescribed Gaussian or mean curvature given by smooth functions. In the Minkowski space we consider three especial kinds of helicoidal surfaces, corresponding to the space-like, time-like or light-like axes of revolution and show some geometric meanings of the helicoidal surfaces of the space-like type. We also define certain solinoid (tubular) surfaces around a hyperbolic helix in R31and we study some of their geometric properties. / Neste trabalho, baseado nos artigos [2] e [6] estudamos superfícies helicoidais no Espaço Euclidiano e no Espaço de Minkowski R31 com curvatura média ou Gaussiana dada por funções diferenciáveis. No Espaço de Minkowski R31 , consideramos três tipos especiais de superfícies helicoidais, correspondendo aos eixos de revolução space-like, time-like ou light-like e apresentamos alguns significados geométricos de superfícies helicoidais do tipo space-like. Também definimos superfícies (tubulares) solenóides em torno de uma hélice hiperbólica em R31 e estudamos algumas de suas propriedades geométricas.

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