# Differences

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abelian_group [2017/04/22 21:03] nikolaj |
abelian_group [2017/04/22 22:48] (current) nikolaj |
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==== Discussion ==== | ==== Discussion ==== | ||

One generally calls $X$ the group, i.e. the set where the operation "$+$" is defined on. | One generally calls $X$ the group, i.e. the set where the operation "$+$" is defined on. | ||

- | jb | + | |

An abelian group is also a module over the ring of integers. | An abelian group is also a module over the ring of integers. | ||

==== Reference ==== | ==== Reference ==== |