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sagirot's user avatar
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sagirot
  • Member for 5 years
  • Last seen more than a month ago
  • Berlin, Germany
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Top posts
9
Simple examples of colimits of affine schemes (evaluated in the presheaf category) which are not affine schemes
Jan 24, 2020
7
The projective functor $\mathbb{P}^n: \operatorname{CRing} \to \operatorname{Set}$ is not representable: categorical argument
Aug 7, 2019
6
Basic example of a formal affine scheme, functorial point of view
Jul 14, 2019
3
Reference Request: Categorical/Functorial approach to Formal Schemes and Formal Groups
Jul 3, 2019
3
Is the formal completion of an affine group necessarily a formal group?
Feb 22, 2020
2
Cohomology of equivariant toric vector bundles using Klyachko's filtration
Feb 6
1
Equivalence between categories of affine schemes over $X$ and representable functors $\operatorname{Points}(x) \to \operatorname{Sets}$
Jul 9, 2019
1
Equivalence between categories of affine schemes over $X$ and representable functors $\operatorname{Points}(x) \to \operatorname{Sets}$
Jul 10, 2019
0
Is a coslice (slice under) category a full subcategory of it ambient category?
Nov 18, 2019