most recent 30 from http://mathoverflow.net 2013-05-20T07:32:30Z http://mathoverflow.net/feeds/question/98432 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/98432/torsion-of-bass-farrell-and-waldhausen-nil-groups Luis Jorge 2012-05-30T22:45:49Z 2012-05-30T22:45:49Z

<p>Let H be an infinite virtually cyclic group. If H is orientable (resp. non-orientable) the Farrell nil groups $N_n(\mathbb{Z}H,\alpha) $ (resp. the Waldhausen nil groups $N^W_n(\mathbb{Z}H;\mathbb{Z}[G_1-H],\mathbb{Z}[G_1-H])$), are torsion groups?</p>