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15
65
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Trouble with structure sheaf, derivations, tangent space

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#differential-geometry #sheaf-theory #tangent-spaces
50
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Representative in $Dcoh(X)$

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#algebraic-geometry #reference-request #complex-geometry #sheaf-theory #coherent-sheaves
51
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The definition of the sheaf of relative differentials(the cotangent sheaf).

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#algebraic-geometry #sheaf-theory
61
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Map between $\Gamma(X,\mathcal{F})$ and $\Gamma(Y,f^{*}\mathcal{F})$

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#algebraic-geometry #sheaf-theory
549
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Hilbert polynomials of closed subschemes $Y \subset \mathbb{P}^n_k$

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#algebraic-geometry #sheaf-theory #hilbert-polynomial
39
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What can we say about moduli spaces of sheaves with double the Chern character of known moduli space of sheaves?

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#algebraic-geometry #complex-geometry #sheaf-theory #vector-bundles #moduli-space
398
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Locally constant sheaf on irreducible space is constant

Published on
#algebraic-geometry #category-theory #sheaf-theory
80
Views

Morphism of $\mathcal{O}_{X}$-modules on an affine scheme.

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#algebraic-geometry #modules #sheaf-theory
164
Views

Question regarding the stalk of pushforward sheaf vs the restriction to the fiber under a map

Published on
#complex-geometry #sheaf-theory
670
Views

Isomorphism between the class group and Picard group

Published on
#algebraic-geometry #algebraic-number-theory #sheaf-theory
525
Views

Why is the dualizing sheaf $\omega_X$ locally free of rank 1 at generic points for a scheme $X$ satisfying $G_0$ and $S_2$?

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#algebraic-geometry #sheaf-theory #schemes #duality-theorems #coherent-sheaves
50
Views

Soft sheaf in locally compact Hausdorff space

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#sheaf-theory #sheaf-cohomology
59
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Presheaves over subcanonical sites

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#category-theory #sheaf-theory #topos-theory
79
Views

Very ample complete linear systems on real curves

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#sheaf-theory #algebraic-curves #projective-space #divisors-algebraic-geometry
191
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A locally constant sheaf on a contractible space is constant.

Published on
#general-topology #sheaf-theory

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