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15
Math.TechQA.Club
2026-03-25 14:26:52
173
Views
Question about Tate resolution and cohomology groups of nonzero coherent sheaves.
Published on
25 Mar 2026 - 14:26
#algebraic-geometry
#sheaf-theory
#homology-cohomology
#coherent-sheaves
#sheaf-cohomology
272
Views
Intrepretation of $H^i(X, \mathcal{O}_X) = 0$
Published on
21 Nov 2014 - 21:12
#algebraic-geometry
#sheaf-cohomology
103
Views
Cohomology groups of coherent sheaves for very small and very big twists.
Published on
25 Mar 2026 - 12:50
#algebraic-geometry
#sheaf-theory
#homology-cohomology
#coherent-sheaves
#sheaf-cohomology
2.8k
Views
Why can we use flabby sheaves to define cohomology?
Published on
25 Nov 2014 - 15:20
#algebraic-geometry
#sheaf-theory
#abelian-categories
#sheaf-cohomology
277
Views
Does every elliptic cohomology theory represent a complex-orientable $E_\infty$-ring spectra and vice-versa?
Published on
25 Mar 2026 - 17:51
#homology-cohomology
#homotopy-theory
#vector-bundles
#spectral-sequences
#sheaf-cohomology
252
Views
A question regarding sheaf cohomology
Published on
08 Dec 2014 - 14:58
#complex-analysis
#riemann-surfaces
#sheaf-cohomology
150
Views
Bott's Formula and Blow up
Published on
25 Mar 2026 - 9:35
#examples-counterexamples
#sheaf-cohomology
#blowup
246
Views
On affine morphism and Picard group
Published on
07 Oct 2019 - 2:18
#algebraic-geometry
#sheaf-theory
#schemes
#sheaf-cohomology
299
Views
Serre Duality from Hartshorne
Published on
10 Oct 2019 - 12:44
#algebraic-geometry
#schemes
#sheaf-cohomology
160
Views
A detail about algebraic topology in the proof of sheaf cohomology = singular cohomology
Published on
14 Oct 2019 - 8:15
#algebraic-topology
#sheaf-cohomology
206
Views
How to calculate this cohomology?
Published on
18 Oct 2019 - 14:52
#algebraic-geometry
#sheaf-cohomology
140
Views
Čech cohomology of $\mathbb{P}^2_k \setminus [1:0:0]$
Published on
25 Mar 2026 - 9:28
#algebraic-geometry
#sheaf-cohomology
#projective-schemes
191
Views
Holomorphic Euler characteristic of a finite cover
Published on
06 Nov 2019 - 13:33
#algebraic-topology
#complex-geometry
#sheaf-cohomology
75
Views
About Castelnuovo-Mumford Regularity
Published on
25 Mar 2026 - 14:37
#algebraic-geometry
#sheaf-theory
#sheaf-cohomology
#coherent-sheaves
171
Views
Dualizing complex of a connected smooth Artin Stack of Dimension Zero
Published on
06 Mar 2026 - 20:26
#algebraic-geometry
#sheaf-cohomology
#etale-cohomology
#algebraic-stacks
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