Zulip Chat Archive
Stream: maths
Topic: what is a derived functor
Matthew Ballard (Feb 28 2022 at 20:43):
This came up in #maths > what is an injective object and I thought it might be a good idea to split it off.
Matthew Ballard (Feb 28 2022 at 20:44):
Cursory googling says Hinich expresses the same concern. (Bonus Paul Bressler rap)
Matthew Ballard (Feb 28 2022 at 20:57):
And this seems to agree with Deligne’s definition (which is the best I know)
Last updated: May 02 2025 at 03:31 UTC