2015
DOI: 10.1016/j.aim.2015.06.003
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Complete surfaces with ends of non positive curvature

Abstract: The classical Efimov theorem states that there is no C 2 -smoothly immersed complete surface in R 3 with negative Gauss curvature uniformly separated from zero. Here we analyze the case when the curvature of the complete surface is less that −c 2 in a neighborhood of infinity, and prove the surface is topologically a finitely punctured compact surface, the area is finite, and each puncture looks like cusps extending to infinity, asymptotic to rays.

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Cited by 4 publications
(10 citation statements)
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“…Similar result is also proved for Lorentz 3-space H 3 1 of constant curvature −1. In Gálvez et al (2015a), the authors study complete surfaces in R 3 with Gauss curvature satisfying the inequality K ≤ const < 0 in a neighborhood of infinity. They prove that such a surface is topologically a finitely punctured compact surface, its surface area is finite, and each puncture is a cusp extending to infinity, asymptotic to a ray.…”
Section: Results Motivated By the Theory Of Surfacesmentioning
confidence: 99%
“…Similar result is also proved for Lorentz 3-space H 3 1 of constant curvature −1. In Gálvez et al (2015a), the authors study complete surfaces in R 3 with Gauss curvature satisfying the inequality K ≤ const < 0 in a neighborhood of infinity. They prove that such a surface is topologically a finitely punctured compact surface, its surface area is finite, and each puncture is a cusp extending to infinity, asymptotic to a ray.…”
Section: Results Motivated By the Theory Of Surfacesmentioning
confidence: 99%
“…Actually, in [5], we have proved that a complete surface in R 3 with negative Gauss curvature uniformly separated from zero in a neighborhood of infinity, is topologically a finitely punctured compact surface, has finite area and each puncture looks like cusps extending to infinity, asymptotic to rays (see also [14]). …”
Section: Final Remarksmentioning
confidence: 99%
“…Inspirados pelos trabalhos de José Gálvez, Antonio Martínez e José Teruel em [21] e [20], estudaremos pares de Codazzi em superfícies e seus invariantes associados, tais como as curvaturas principais, a curvatura média, a curvatura extrínseca e a diferencial de Hopf. Veremos a partir destes trabalhos que a teoria de pares de Codazzi é uma ferramenta vantajosa, uma vez que, a partir de um resultado abstrato para pares de Codazzi em superfícies, serão apresentados resultados tipos Milnor e Emov para superfícies em H 3 e S 3 .…”
Section: Agradecimentosunclassified
“…O capitulo 2 é dedicado ao estudo dos trabalhos [21] e [20]. Instigado pelos trabalhos de Hilbert, apresentaremos inicialmente o Teorema de Emov, no qual nos diz que nenhuma superfície pode ser imersa no espaço Euclidiano tridimensional, tal que na métrica induzida, seja completa e tenha curvatura Gaussiana K ≤ const < 0.…”
Section: Agradecimentosunclassified
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