Talk:Derivator
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Todo
[edit]- Discuss open and closed immersions of functors of indices
- Look at recollement in SGA 4 IV.9 - http://www.normalesup.org/~forgogozo/SGA4/04/04.pdf
- Add definition of derivator with explanation of each axiom
- Chapter 3 has new definitions for cohomology of diagrams in Hotab and relations to classical cohomology
- Look at deriving adjoints, https://stacks.math.columbia.edu/tag/0FNC
- Derived colimits https://stacks.math.columbia.edu/tag/0A5K
- Derived limits
- Also checkout cotangent complex book for more techniques, maybe they are useful for derivators with indices in ordinals — Preceding unsigned comment added by Wundzer (talk • contribs) 18:13, 1 May 2020 (UTC)