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Results tagged with descent
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user 2841
9
votes
2
answers
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Pushouts of commutative pseudomonoids
Let $(\mathcal{C},\otimes)$ be a symmetric monoidal bicategory. Assume that $\mathcal{C}$ has bicategorical coequalizers which are preserved by $\otimes$ in each variable. My question is if then the c …
- 63.1k
3
votes
1
answer
491
views
Noetherian descent extension for a given ring
For a homomorphism of rings $R \to S$, the following are equivalent:
a) $(-) \otimes_R S : \mathrm{Mod}(R) \to \mathrm{Mod}(S)$ reflects isomorphisms
b) $R \to S$ satisfies effective descent with respect … For a reference, see "Descent Theory for Schemes" by Bachuki Mesablishvili; this work generalizes Grothendieck's descent theory for quasi-coherent modules.
Question. Let $R$ be a ring. …
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