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Topic: Abelian


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 Abelian group: Facts and details from Encyclopedia Topic   (Site not responding. Last check: 2007-11-07)
In mathematics, the rank, or torsion-free rank, of an abelian group measures how large a group is in terms of how large a vector space one would need...
This is a special application of the fundamental theorem of finitely generated abelian groups[Click link for more facts about this topic] in the case when G has torsion-free rank equal to 0.
In mathematics, an abelian category is a certain kind of category in which morphisms and objects can be added and in which kernels and cokernels exist and...
www.absoluteastronomy.com /encyclopedia/a/ab/abelian_group.htm   (2109 words)

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