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Results tagged with descent
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user 344
3
votes
1
answer
630
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Do coequalizers in RingSpc automatically lead to descent?
Then there is an equivalence of categories between quasi-coherent sheaves on $Y$ and "descent data" on $X$. … Does that imply that there is a descent diagram for quasi-coherent sheaves? …
- 25.6k
8
votes
1
answer
1k
views
Schemes do not form a stack in the etale topology?
least) topology, while schemes do not, even though one frequently has (at least in other contexts) to use the fact that, say, affine or quasi-affine schemes do form a stack even in the fpqc topology (by descent … As a result, I'm curious: what is the simplest example of non-gluable (say, etale) descent data for schemes? …
- 25.6k