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Apr 9, 2021 at 1:44 history edited Dmitri Pavlov CC BY-SA 4.0
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Apr 9, 2021 at 1:43 comment added Dmitri Pavlov @DavidCorwin: I added a few more paragraphs based on the newly edited version of the question.
Apr 9, 2021 at 1:37 history edited Dmitri Pavlov CC BY-SA 4.0
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Apr 8, 2021 at 20:30 comment added David Corwin I made a slight edit to clarify this.
Apr 7, 2021 at 21:04 comment added Dmitri Pavlov @DavidCorwin: You asked “So what's the difference?”, and the answer is that the difference is that in one case Z is a presheaf of abelian groups and in the other case, Z is a presheaf of chain complexes, and the two categories have completely different notions of homotopy limits and ∞-sheaves. In your main post, you already pointed out that the inclusion of abelian groups into chain complexes does not preserve homotopy limits, which means that ∞-sheaves are not preserved.
Apr 7, 2021 at 20:50 comment added David Corwin I thought the original question is pretty clear. The question is what happens when we include from the category of abelian groups into the category of complexes.
Apr 7, 2021 at 19:43 history answered Dmitri Pavlov CC BY-SA 4.0