English

Non-left-complete derived categories

Category Theory 2011-03-30 v1

Abstract

We give some examples of abelian categories A for which the derived category D(A) is not left-complete. Perhaps the most natural of these is where A is the category of representations of the additive group G_a over a field k of characteristic p>0.

Keywords

Cite

@article{arxiv.1103.5539,
  title  = {Non-left-complete derived categories},
  author = {Amnon Neeman},
  journal= {arXiv preprint arXiv:1103.5539},
  year   = {2011}
}
R2 v1 2026-06-21T17:46:01.365Z