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15
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Why the sheaf of abelian groups so fundamental?

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#algebraic-geometry #abelian-groups #sheaf-cohomology
105
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Calculating cohomology of sheaves

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#algebraic-geometry #homology-cohomology #sheaf-cohomology
326
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In what sense is a constant sheaf of abelian groups with stalks G isomorphic to G?

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#general-topology #algebraic-geometry #sheaf-theory #sheaf-cohomology #coherent-sheaves
96
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The cokernel of $H^0(\hat{X},\sigma^*L^k)\to H^0(E,\mathcal{O}_E)\otimes L^k(x)$

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#complex-geometry #sheaf-theory #vector-bundles #sheaf-cohomology
454
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A question on Hartshorne Chapter III Proposition 2.6

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#algebraic-geometry #homological-algebra #sheaf-cohomology
84
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Exercise 18.2.F. Foundations of algebraic geometry

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#abstract-algebra #algebraic-geometry #commutative-algebra #sheaf-cohomology
74
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How does isomorphism of schemes induce maps on cohomology groups

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#algebraic-geometry #sheaf-theory #sheaf-cohomology
186
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Perversity and minimal extension functor

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#algebraic-geometry #sheaf-theory #sheaf-cohomology
304
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Cohomology of tensor product of pullback in $\mathbb P^1\times\mathbb P^1$.

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#projective-space #sheaf-cohomology
92
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Exact sequences of sheaves

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#algebraic-geometry #algebraic-topology #sheaf-cohomology
447
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Sheaf cohomology and singular cohomology

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#algebraic-topology #sheaf-theory #sheaf-cohomology
162
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Chow groups with coefficients in a local system

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#algebraic-geometry #reference-request #sheaf-theory #sheaf-cohomology #local-systems
106
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On cohomology of flasque sheaves of abelian groups

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#algebraic-geometry #homology-cohomology #homological-algebra #sheaf-cohomology
51
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Is the total ring of fractions mod the regular functions flasque?

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#algebraic-geometry #sheaf-theory #sheaf-cohomology
783
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Reference for algebro-geometric definition of the $\cup$-product in (sheaf) cohomology.

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#algebraic-geometry #homology-cohomology #sheaf-cohomology

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