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Results tagged with homological-algebra
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user 56591
(Co)chain complexes, abelian Categories, (pre)sheaves, (co)homology in various (possibly highly generalized) settings, spectra, derived functors, resolutions, spectral sequences, homotopy categories. Chain complexes in an abelian category form the heart of homological algebra.
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answer
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If an abelian category $\mathcal{A}$ has enough injectives then so does $\mathrm{Ch}^{\geq 0...
Well my question is as clear as its title suggests. So here I would like to clarify on the fact that an object $A^\cdot$ in $\mathrm{Ch}^{\geq 0}(\mathcal{A})$ is injective if and only if
$0\longright …
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