The Stacks project

Definition 13.14.10. In Situation 13.14.1.

  1. An object $X$ of $\mathcal{D}$ computes $RF$ if $RF$ is defined at $X$ and the canonical map $F(X) \to RF(X)$ is an isomorphism.

  2. An object $X$ of $\mathcal{D}$ computes $LF$ if $LF$ is defined at $X$ and the canonical map $LF(X) \to F(X)$ is an isomorphism.

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  • 4 comment(s) on Section 13.14: Derived functors in general

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