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#1 2009-12-23 06:26:34
- GTK X Hunter
- Member
- Registered: 2009-10-13
- Posts: 10
RING Ding Dong :))
Given an abelian group
. Show that under homomorphism addition and homomorphism multiplication operation which is defined as composition of function, is a ring. Does this ring have unity element? Is this ring commutative?Offline
#2 2009-12-25 03:51:31
- Ricky
- Moderator
- Registered: 2005-12-04
- Posts: 3,791
Re: RING Ding Dong :))
What part are you having problems on?
"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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