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For questions about the derived categories of various abelian categories and questions regarding the derived category construction itself.
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Is the homotopy category of a ring also the derived category of another ring?
Let $R$ be an associative ring. Let $K(R)$ be the category of chain complexes of $R$-modules and chain homotopy classes of maps between them, and let $D(R)$ be its localization with respect to acycli …