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Module of covariants

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In algebra, given an algebraic group G, a G-module M and a G-algebra A, the module of covariants of type M is the $A^{G}$ -module

(M\otimes _{k}A)^{G}.

See also

Local cohomology

References

M. Brion, Sur les modules de covariants, Ann. Sci. École Norm. Sup. (4) 26 (1993), 1 21.

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