Module of covariants: Difference between revisions

Revision as of 00:13, 11 June 2014

Revision as of 13:13, 12 July 2014

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{{orphan|date=June 2014}}

In algebra, given aan algebraic group ''G'', a ''G''-module ''M'' and a ''G''-algebra ''A'', both over a field ''k'', the '''module of covariants''' of type ''M'' is the <math>A^G</math>-module

: <math>(M \otimes_k A)^G.</math>