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15
Math.TechQA.Club
2026-03-22 02:23:00
1.7k
Views
is the pushforward of a flat sheaf flat?
Published on
22 Mar 2026 - 2:23
#algebraic-geometry
#modules
#sheaf-theory
#coherent-sheaves
#quasicoherent-sheaves
2.4k
Views
Classification of automorphisms of projective space
Published on
25 Mar 2026 - 23:09
#algebraic-geometry
#schemes
#projective-schemes
#quasicoherent-sheaves
745
Views
Modules over a functor of points
Published on
22 Mar 2026 - 0:13
#algebraic-geometry
#sheaf-theory
#quasicoherent-sheaves
4.2k
Views
Stalk of a pushforward sheaf in algebraic geometry
Published on
22 Mar 2026 - 7:22
#algebraic-geometry
#quasicoherent-sheaves
1.4k
Views
Quasi-coherent sheaves, schemes, and the Gabriel-Rosenberg theorem
Published on
21 Mar 2026 - 17:30
#algebraic-geometry
#schemes
#sheaf-theory
#quasicoherent-sheaves
940
Views
How to compute $H^1(\Bbb P^1,\mathcal{O}_{\Bbb P^1})$ and $H^1(\Bbb P^1,\mathcal{O}_{\Bbb P^1}(n))$
Published on
22 Mar 2026 - 12:08
#algebraic-geometry
#homology-cohomology
#quasicoherent-sheaves
227
Views
Tensor product of the structure sheaf with itsself
Published on
04 Feb 2013 - 0:49
#algebraic-geometry
#tensor-products
#schemes
#quasicoherent-sheaves
3.9k
Views
Inverse image of the sheaf associated to a module
Published on
21 Mar 2026 - 16:07
#algebraic-geometry
#commutative-algebra
#tensor-products
#quasicoherent-sheaves
6k
Views
The projection formula for quasicoherent sheaves.
Published on
22 Mar 2026 - 10:26
#algebraic-geometry
#quasicoherent-sheaves
375
Views
Scheme theoretically, when the union of the interserction is the intersection of the union
Published on
04 Aug 2020 - 18:55
#abstract-algebra
#algebraic-geometry
#sheaf-theory
#schemes
#quasicoherent-sheaves
69
Views
product of quasi-coherent sheaves is not a quasi-coherent sheaf
Published on
28 Aug 2020 - 19:24
#algebraic-geometry
#homological-algebra
#quasicoherent-sheaves
110
Views
Homomorphism of quasi coherent sheaves
Published on
17 Nov 2020 - 8:49
#algebraic-geometry
#sheaf-theory
#quasicoherent-sheaves
943
Views
Quasi-coherent sheaves $\supset$ locally free sheaves?
Published on
22 Mar 2026 - 14:29
#algebraic-geometry
#sheaf-theory
#quasicoherent-sheaves
301
Views
How to prove $ ((S\times_A T)(1))_{(f\otimes g)}\cong S(1)_{(f)}\otimes_{S_{(f)}}(S\times_A T)_{(f\otimes g)}\otimes_{T_{(g)}} T(1)_{(g)}$?
Published on
21 Mar 2026 - 20:19
#algebraic-geometry
#sheaf-theory
#projective-schemes
#quasicoherent-sheaves
262
Views
If a global morphism of sheaves induces isomorphisms on fibers, then is it an isomorphism?
Published on
22 Mar 2026 - 3:29
#algebraic-geometry
#coherent-sheaves
#projective-schemes
#quasicoherent-sheaves
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