Subject: Re: two more on BSU(n) From: wolfgang Ziller Date: Thu, 01 Dec 2005 23:14:17 -0200 I have a question along the lines of the previous classifying space questions. How different is BK from BL where K = Sp(n)xS1 / diag(-Id,-1) and L=Sp(n)xS1 Can BK have any torsion? wolfgang ziller