Virtual strings

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A virtual string is a scheme of self-intersections of a closed curve on a surface. We introduce virtual strings and study their geometric properties and homotopy invariants. We also discuss connections between virtual strings, Gauss words, and virtual knots.
30 pages, 1 figure

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Geometric Topology, Algebraic Topology, 57M99

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http://salesiana.dossiersoluciones.com/handle/123456789/68857

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0310218
 http://arxiv.org/abs/math/0310218

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arXiv