Skip to main content

All Questions

Filter by
Sorted by
Tagged with
11 votes
2 answers
1k views

Is every "nice" abelian category with enough projectives an additive presheaf category?

A "nice" category $\mathcal{C}$ should be (for the purposes of this question) locally presentable at a minimum, and maybe a bit more. One might require $\mathcal{C}$ to be (in roughly order of ...