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![[parent]](http://images.planetmath.org:8080/images/uparrow.png) Viewing Message
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| ``on your pic''
by drini on 2002-03-09 23:27:10 |
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| ugh.. what illustrative.. hehehe a rectangle
sorry for sarcasm
I was thinking on something like
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showing that cutting a square leaves a rectangle similar to the original
f
G -----> H G
p \ /_ ----- ~ f(G)
\ / f ker f
G/ker f |
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