Grid Diagrams and Legendrian Lens Space Links

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Grid diagrams encode useful geometric information about knots in S^3. In particular, they can be used to combinatorially define the knot Floer homology of a knot K in S^3, and they have a straightforward connection to Legendrian representatives of K in (S^3, ξ_\st), where ξ_\st is the standard, tight contact structure. The definition of a grid diagram was extended to include a description for links in all lens spaces, resulting in a combinatorial description of the knot Floer homology of a knot K in L(p, q) for all p > 0. In the present article, we explore the connection between lens space grid diagrams and the contact topology of a lens space. Our hope is that an understanding of grid diagrams from this point of view will lead to new approaches to the Berge conjecture, which claims to classify all knots in S^3 upon which surgery yields a lens space.
27 pages, 20 figures

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Geometric Topology, 57M27, 53D10

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http://salesiana.dossiersoluciones.com/handle/123456789/159150

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0804.3048
 http://arxiv.org/abs/0804.3048

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arXiv