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#1 2009-12-23 06:30:30
- GTK X Hunter
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- Registered: 2009-10-13
- Posts: 10
Isomorphism ring :P
Suppose
and are positive integer numbers with , then show that the mapping with is isomorphism ring!Last edited by GTK X Hunter (2009-12-23 06:51:35)
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#2 2009-12-25 03:50:40
- Ricky
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- Registered: 2005-12-04
- Posts: 3,791
Re: Isomorphism ring :P
So you need to show it's injective, surjective, and a homomorphism. Which part are you having problems with?
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."
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