Characteristic subsurfaces and Dehn filling

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Let M be a compact, orientable, irreducible, atoroidal 3-manifold with boundary an incompressible torus. Techniques based on the characteristic submanifold theory are used to bound the intersection number of two slopes αand βon the boundary of M. The method applies when βis the boundary slope of an essential surface F that is not a semi-fiber (i.e. F is not a fiber and does not split M into two twisted I-bundles), and the Dehn filling M(α) contains a suitable singular surface. One of the main results is that if F is planar and if the fundamental group of M(α) does not contain a non-abelian free subgroup then the intersection number of αand βis at most 5.
69 pages, 1 figure, plain TeX

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Geometric Topology, 57N10;57M25

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http://salesiana.dossiersoluciones.com/handle/123456789/65774

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0211379
 http://arxiv.org/abs/math/0211379

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arXiv