To prof. Antonio Gervasio Colares on occasion of his 80th birthday.
Abstract
Our purpose is to study the geometry of linear Weingarten spacelike hypersurfaces immersed in the de Sitter space \(\mathbb{S}_1^{n + 1} \). In this setting, by using as main analytical tool a suitable maximum principle for complete noncompact Riemannian manifolds, we establish new characterizations of the hyperbolic cylinders of \(\mathbb{S}_1^{n + 1} \). In the compact case, we obtain a rigidity result concerning to a such hypersurface according to the length of its second fundamental form.
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de Lima, H.F., Velásquez, M.A.L. On the geometry of linear Weingarten spacelike hypersurfaces in the de Sitter space. Bull Braz Math Soc, New Series 44, 49–65 (2013). https://doi.org/10.1007/s00574-013-0003-0
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DOI: https://doi.org/10.1007/s00574-013-0003-0
Keywords
- de Sitter space
- spacelike hypersurfaces
- linear Weingarten hypersurfaces
- totally umbilical hypersurfaces
- hyperbolic cylinder