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Sobre H-hipersuperfÃcies compactas de N X R / H-hypersurfaces of N x RHeloisa FrazÃo da Silva 13 July 2011 (has links)
Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico / Consideraremos F(N x R) o conjunto das H-hipersuperfÃcies fechadas M tal que M С N x R, onde N Ã uma variedade riemanniana simplesmente conexa com curvatura
seccional limitada superiormente (KN ≤ -k2 < 0). A partir daÃ, com o auxÃlio do Teorema de ComparaÃÃo do Hessiano mostraremos algumas desigualdades para estas subvariedades
M С N x R com curvatura mÃdia constante HM. / Consider F(N x R) the set of closed hypersurfaces M such that M C N x R) where N is a
simply connected riemannian manifold with sectional curvature bounded above (KN ≤ -k2 <
0). Thereafter, with the aid of Hessian Comparison Theorem we show some inequalities for
these submanifolds M С N x R with constant mean curvature HM.
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