| | 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) |
