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.

AUTOR(ES)

Isadora Maria de Jesus

DATA DE PUBLICAÇÃO

2009

RESUMO

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.

ASSUNTO(S)

curvatura media matematica differential geometry mean curvature laplacian alencar and do carmos, theorem hipersuperfície scalar curvature hypersurfaces li haizhong, teorema de li haizhongs, theorem laplaciano alencar do carmo, teorema de curvatura scalar geometria diferencial

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