Algebraic invariants for Bestvina-Brady groups

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Bestvina-Brady groups arise as kernels of length homomorphisms from right-angled Artin groups G_\G to the integers. Under some connectivity assumptions on the flag complex Δ_\G, we compute several algebraic invariants of such a group N_\G, directly from the underlying graph \G. As an application, we give examples of Bestvina-Brady groups which are not isomorphic to any Artin group or arrangement group.
22 pages, accepted for publication in the Journal of the London Mathematical Society

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Group Theory, Geometric Topology, 20F36; 20F14, 57M07

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http://salesiana.dossiersoluciones.com/handle/123456789/143447

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0603240
 http://arxiv.org/abs/math/0603240
 Journal of the London Mathematical Society 76 (2007), no. 2, 273-292
 doi:10.1112/jlms/jdm045

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arXiv