injective resolution
InjectiveResolution
2002-01-05 16:12:59
2003-09-20 21:43:45
Definition
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Let $M$ be a module. An {\it injective resolution} of $M$
is an exact sequence of the form
$$0 \to M \to Q_0 \to Q_1 \to \cdots \to Q_{n-1} \to Q_n \to \cdots$$
where each $Q_n$ is an injective module.