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15
Math.TechQA.Club
2026-03-26 11:16:14
103
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Associated sheaf to a $\mathbb{C}$-module
Published on
26 Mar 2026 - 11:16
#algebraic-geometry
#modules
#sheaf-theory
#schemes
#coherent-sheaves
3k
Views
Hartshorne's Exercise II.5.1 - Projection formula
Published on
23 Feb 2026 - 10:46
#algebraic-geometry
#sheaf-theory
#ringed-spaces
1.6k
Views
Skyscrapers sheaf's global sections
Published on
15 Jan 2014 - 20:49
#algebraic-geometry
#sheaf-theory
108
Views
How to apply "proper base change" here
Published on
19 Jan 2014 - 14:25
#algebraic-geometry
#sheaf-theory
461
Views
In a quasicompact scheme every nonreduced point has a closed nonreduced point in its closure
Published on
24 Jan 2014 - 16:44
#algebraic-geometry
#sheaf-theory
#schemes
154
Views
Presheafs on sets of prime number constituents of natural numbers
Published on
24 Jan 2014 - 18:05
#sheaf-theory
255
Views
$X$ being locally closed is not equivalent to every extension by $0$ of a sheaf $F$ being unique?
Published on
31 Jan 2014 - 9:19
#general-topology
#algebraic-geometry
#sheaf-theory
333
Views
Is the zero set of a global section closed?
Published on
02 Feb 2014 - 13:15
#algebraic-geometry
#sheaf-theory
453
Views
Ideal sheaf on a surface
Published on
28 Mar 2026 - 0:06
#algebraic-geometry
#sheaf-theory
#surfaces
#sheaf-cohomology
129
Views
Criterion of nonsingular varieties
Published on
08 Feb 2014 - 10:07
#algebraic-geometry
#commutative-algebra
#sheaf-theory
#differential-forms
1.3k
Views
Flasque Constant Sheaf
Published on
10 Feb 2014 - 2:47
#sheaf-theory
718
Views
Restriction of a sheaf to a fibre
Published on
10 Feb 2014 - 3:17
#algebraic-geometry
#sheaf-theory
246
Views
Flabby sheaf comonad
Published on
31 Mar 2026 - 7:33
#general-topology
#category-theory
#sheaf-theory
#monads
#sheaf-cohomology
531
Views
Universal property of quotient sheaves
Published on
12 Feb 2014 - 6:52
#algebraic-geometry
#sheaf-theory
5k
Views
Why are de Rham cohomology and Cech cohomology of the constant sheaf the same
Published on
12 Feb 2014 - 8:54
#differential-geometry
#manifolds
#sheaf-theory
#homology-cohomology
#differential-forms
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