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I'm studying homology and graded groups have come up. I don't completely understand what they are. Wikipedia didn't have an entry on graded groups, but on graded algebras and other graded stuff and the definitions there seemed different than the way graded groups have been used in my book (Homology by Vick). Could someone flesh out some of the principles?

I understand my request is kind of vaque, I suppose I just want to chat with someone about the object.

kevin

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# Graded groups

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