Central quotients of biautomatic groups

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The quotient of a biautomatic group by a subgroup of the center is shown to be biautomatic. The main tool used is the Neumann-Shapiro triangulation of $S^{n-1}$, associated to a biautomatic structure on ${\Bbb Z}^n$. As an application, direct factors of biautomatic groups are shown to be biautomatic.
AMS-Tex, 10 pages, no figures

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Group Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/152900

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9404203
 http://arxiv.org/abs/math/9404203
 Comment. Math. Helv. 72 (1997), no. 1, 16--29

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arXiv