K(G,1)s for Semi-Direct Products

From: Jeffrey Rolland <wildstar200@xxxxxxxxxxx>
Date: Tue, 13 Nov 2007 12:51:00 -0600

Hello, all!

I originally posted this to sci.math.research (I thought), but it hasn't
shown up and I haven't gotten a rejection email, so I am posting here.

It is well-known that if G is (isomorphic to) the direct product of two
groups G1 and G2, then a K(G,1) is given by K(G1,1) x K(G2,1).

Are any results known if G is the semi-direct product of two groups G1
and G2 (with known K(G1,1) and K(G2,1))?

Thanks in advance for any assistance you can provide.

Sincerely,
--
Jeffrey Rolland
<wildstar200@xxxxxxxxxxx>
.

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Re: K(G,1)s for Semi-Direct Products
... shown up and I haven't gotten a rejection email, so I am posting here. ... It is well-known that if G is the direct product of two ... be obvious, generally-known notation, namely: ...
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Re: decomposable group~
... > a direct product of two proper nontrivial subgroups. ... posting them here? ... Jim Heckman ...
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