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Sheaf hom of coherent sheaves

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#algebraic-geometry #sheaf-theory
656
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Support of quotient sheaf of ideal sheaves with same support

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#algebraic-geometry #commutative-algebra #ideals #sheaf-theory
89
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Exterior Algebra VS Torsion

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#algebraic-geometry #commutative-algebra #algebraic-curves #sheaf-theory
507
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Given a locally ringed space there is a bijection between open and closed sets of $X$ and idempotent elements of $\mathcal{O}_X(X) $

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#algebraic-geometry #sheaf-theory
324
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Is there a universal statement for the construction of global Proj?

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#algebraic-geometry #sheaf-theory #schemes
319
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restrictions of rational sections of an invertible sheaf.

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#algebraic-geometry #sheaf-theory #schemes
205
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When the sheafification map is a presheaf epimorphism

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#soft-question #sheaf-theory
364
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Tensor product of the structure sheaf with the function field

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#algebraic-geometry #sheaf-theory #schemes
92
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How to show $Hom(V,V)\rightarrow Hom(V_x,V_x)$ is injective, V being semi-stable

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#algebraic-geometry #sheaf-theory #vector-bundles
86
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Question on the second part of the definition of sheafification

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#algebraic-geometry #sheaf-theory
503
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Pushforward of sheaves on the blowup of $\mathbb A^2$ to $\mathbb P^1$

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#algebraic-geometry #sheaf-theory #coherent-sheaves
465
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Covering by open subfunctors and epimorphisms of sheaves.

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#algebraic-geometry #category-theory #sheaf-theory #schemes #topos-theory
562
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Pullback of a local homeomorphism is a local homeomorphism

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#general-topology #sheaf-theory
1.3k
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Global section defines a map from structure sheaf

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#algebraic-geometry #sheaf-theory
103
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Do there exist torsion sheaf over moduli spaces?

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#algebraic-geometry #sheaf-theory #coherent-sheaves #moduli-space

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