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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

Hipersuperfícies com curvatura média constante e hipersuperfícies com curvatura escalar constante na esfera. / Hypersurfaces with constant mean curvature and hypersurfaces with constant scalar in curvature sphere.

Jesus, Isadora Maria de 04 August 2009 (has links)
In this work we prove two theorems that characterize the hypersurfaces in the unitary sphere of dimension n+1. The first result, obtained by H. Alencar and M. do Carmo, classifies hypersurfaces with constant mean curvature in the sphere. This result was published in April 1994 in Proceedings of The American Mathematical Society, volume 120, number 4 with the title Hypersurfaces with Constant Mean Curvature. The second result was obtained by Li Haizhong in the article Hypersurfaces with Constant Scalar Curvature in Space Forms, published in 1996 in the journal Mathematisch Annalen, volume 305. The theorem of Li Haizhong characterizes hypersurfaces with constant scalar curvature in the sphere. We prove the theorem of Li Haizhong using the results obtained by H. Alencar and M. do Carmo. / Conselho Nacional de Desenvolvimento Científico e Tecnológico / Nesta dissertação apresentamos dois teoremas que caracterizam as hipersuperfícies na esfera unitária de dimensão n+1. O primeiro resultado, obtido por H. Alencar e M. do Carmo, classifica as hipersuperfícies com curvatura média constante na esfera. Este resultado foi publicado em abril de 1994 no Proceedings of The American Mathematical Society, volume 120, número 4 com o título Hypersurfaces With Constant Mean Curvature.O segundo resultado provado nesta dissertação foi obtido por Li Haizhong no artigo Hypersurfaces With Constant Scalar Curvature in Spaces Forms, publicado em 1996 no Mathematische Annalen, volume 305. O Teorema de Li Haizhong caracteriza as hipersuperfícies com curvatura escalar constante na esfera. Demonstraremos o Teorema de Li Haizhong utilizando os resultados obtidos por H. Alencar e M. do Carmo.

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