Conjugacy in Artin groups and applications to the classification of surfaces

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We show thatthe double reversing algorithm proposed by dehornoy for solving the word problem in the braid group can also be used to recognize the conjugates of powers of the generators in an Artin group of spherical type. The proof uses a characterization of these powers in terms of their fractional decomposition. This algorithm could have potential applications to braid-based cryptography; it also provides a fast method for testing a necessary condition in the classification of surfaces in algebraic geometry.

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Group Theory, 20F36; 14J10

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http://salesiana.dossiersoluciones.com/handle/123456789/69529

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0312188
 http://arxiv.org/abs/math/0312188

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arXiv