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What is the notation $\mathcal{A}_\infty$ for a sheaf of graded $\mathcal{O}_X$-algebras mean?

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#algebraic-geometry #sheaf-theory #graded-rings #coherent-sheaves #graded-algebras
552
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If a sheaf is zero on every fiber is it non-zero

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#algebraic-geometry #coherent-sheaves #deformation-theory
312
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Chern classes of a rank two vector bundle

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#algebraic-geometry #vector-bundles #projective-geometry #characteristic-classes #coherent-sheaves
709
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Proj of the Graded Ring of Global Sections

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#algebraic-geometry #sheaf-theory #graded-rings #coherent-sheaves
448
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Showing that the localization of the kernel of a morphism of rings (modules) vanishes

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#algebraic-geometry #commutative-algebra #modules #localization #coherent-sheaves
104
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How to get explicit descriptions of morphisms of sheaves from a known adjunction of functors?

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#algebraic-geometry #sheaf-theory #affine-schemes #coherent-sheaves #quasicoherent-sheaves
137
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Low bound for Serre's vanishing of $\mathcal{O}_X$

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#algebraic-geometry #coherent-sheaves
510
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Free Resolutions of Modules compared with Sheaf of Modules

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#algebraic-geometry #algebraic-topology #homological-algebra #sheaf-theory #coherent-sheaves
816
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Quasicoherent Subsheaf of a Coherent Sheaf is Coherent

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#algebraic-geometry #commutative-algebra #schemes #coherent-sheaves
2.6k
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Vector bundle associated to a locally free sheaf

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#abstract-algebra #algebraic-geometry #vector-bundles #coherent-sheaves
5.2k
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Precise connection between Poincare Duality and Serre Duality

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#algebraic-geometry #differential-topology #coherent-sheaves #duality-theorems
7k
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What local system really is

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#algebraic-topology #coherent-sheaves
489
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Formal Schemes Mittag-Leffler

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#algebraic-geometry #coherent-sheaves
1.6k
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Higher Ext groups of skyscraper sheaf

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#algebraic-geometry #coherent-sheaves
2.7k
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Hartshorne exercise II.5.12(b)

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#algebraic-geometry #coherent-sheaves

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