Algebraic and Geometric intersection numbers for free groups

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We show that the algebraic intersection number of Scott and Swarup for splittings of free groups coincides with the geometric intersection number for the sphere complex of the connected sum of copies of $S^2\times S^1$.
7 pages

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Geometric Topology, Group Theory, 57M05 (Primary) 57M07, 20E06 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/169392

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.3109
 http://arxiv.org/abs/0809.3109

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arXiv