Isomorphism problem for finitely generated fully residually free groups

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We prove that the isomorphism problem for finitely generated fully residually free groups is decidable. We also show that each finitely generated fully residually free group G has a decomposition that is invariant under automorphisms of G, and obtain a structure theorem for the group of outer automorphisms Out(G).
26 pages

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Group Theory, 20E36; 20F65

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http://salesiana.dossiersoluciones.com/handle/123456789/74297

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0502496
 http://arxiv.org/abs/math/0502496

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arXiv