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Search options questions only not deleted user 1353
9 votes
1 answer
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Homotopical descent information contained in the Dwyer-Kan function complexes of a presheaf ...

Anyhow, is there any interesting descent-related information contained in the higher homotopical data of the function complexes? … Is there any relation between this sort of thing and cohomological descent? …
Harry Gindi's user avatar
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3 votes
1 answer
579 views

Simplifying the definition of a geometric context using sieves?

On Pages 1-3 of Cours 2 of Toën's Master Course on Stacks, he defines the notion of a Geometric context with a rather extensive list of axioms (they take up about two pages over and above the definiti …
Harry Gindi's user avatar
  • 19.6k