Topology of words

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We introduce a topological approach to words. Words are approximated by Gauss words and then studied up to natural modifications inspired by homotopy transformations of curves on the plane.
59 pages, 4 figures. In the second version I added a discussion of the S-homotopy of words (Section 2)

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Combinatorics, Geometric Topology, 68R15; 57M99

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http://salesiana.dossiersoluciones.com/handle/123456789/74717

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0503683
 http://arxiv.org/abs/math/0503683

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arXiv