please help me.

if e is a free presentation of the group Q , and

http://latex.codecogs.com/gif.latex?...0%7E%7E%7BQ%7D

http://latex.codecogs.com/gif.latex?...%20N,G]%7D=???

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- Dec 26th 2011, 09:39 AMvernalextension
please help me.

if e is a free presentation of the group Q , and

http://latex.codecogs.com/gif.latex?...0%7E%7E%7BQ%7D

http://latex.codecogs.com/gif.latex?...%20N,G]%7D=??? - Dec 28th 2011, 01:35 AMDrexel28Re: extension
- Dec 28th 2011, 08:07 AMvernalRe: extension