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Sheaf ext of locally free sheaves

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#algebraic-geometry
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Can I use the Nullstellensatz?

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#abstract-algebra #algebraic-geometry
53
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is linearisation holomorphic?

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#algebraic-geometry #complex-geometry #algebraic-groups
87
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Uniqueness of complex tori

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#algebraic-geometry #lie-groups #complex-geometry #riemann-surfaces
229
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Topologies on Categories: The big picture

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#algebraic-geometry #category-theory
140
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Is $U\mapsto \mathcal F(U)\otimes_{\mathcal O_X(U)}\mathcal F(U)$ a presheaf or sheaf?

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#algebraic-geometry #sheaf-theory
41
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Do we have $\mathcal G=\mathcal H$?

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#algebraic-geometry #sheaf-theory
66
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Sheaf on the big site $\operatorname{Sch}/S$ induced by sheaf on $S$

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#algebraic-geometry #sheaf-theory #grothendieck-topologies
265
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Picard group of curves

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#algebraic-geometry #algebraic-curves #riemann-surfaces #divisors-algebraic-geometry #line-bundles
99
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Is there a conic tangent to each of the six lines comprising a conic-inscribed hexagon?

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#geometry #algebraic-geometry #projective-geometry
277
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Proving that the Quotient of an Algebraic Curve $X/G$ is an Algebraic Curve.

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#complex-analysis #algebraic-geometry #algebraic-curves #riemann-surfaces
44
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What is a linear condition on the coeffcients of a quadric?

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#linear-algebra #abstract-algebra #algebraic-geometry
483
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(Reading Shafarevich Vol 1) What is an affine neighborhood?

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#algebraic-geometry
2.1k
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Pushforward of Coherent Sheaf

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#algebraic-geometry #sheaf-theory
1.1k
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Tangent Space and Dual Numbers

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#algebraic-geometry #schemes

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