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Extension (algebra)

In mathematics, for G a group or algebra over a field, or other algebraic structure, G′ is an extension of G if there is an exact sequence

0\rightarrow H\rightarrow G'\rightarrow G\rightarrow 0.

See also central extension, extension problem, field extension.

Last updated: 05-29-2005 04:49:59
Science Fair Project Encyclopedia Contents Page
10-26-2009 08:16:03
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