File:Chebyshev-big.svg
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In mathematics, in the field of homological algebra, given an abelian category having enough injectives and an additive (covariant) functor
an acyclic object with respect to , or simply an -acyclic object, is an object in such that
where are the right derived functors of .
References
- S. Caenepeel, Brauer Groups, Hopf Algebras, and Galois Theory, Springer Verlag, 1998, ISBN 0-7923-4829-X. P.454.
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