Difference between revisions of "Characteristic"
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(New page: In algebra, the '''characteristic''' of a ring ''R'' is the least natural number ''n'' such that, for all ''r'' in ''R'', ''n'' * ''r'' = 0. If no such natu...) |
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Revision as of 22:09, November 14, 2008
In algebra, the characteristic of a ring R is the least natural number n such that, for all r in R, n * r = 0. If no such natural number exists, the ring has characteristic 0.