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Mumford's Geometric Invariant Theory proof of proposition 0.1

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#algebraic-geometry #schemes #group-schemes
1.9k
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Examples of presheaves which are not sheaves

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#algebraic-geometry #sheaf-theory
181
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Equality of subsheaves of a sheaf

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#algebraic-geometry #sheaf-theory
34
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Implicit function of two variables with no integer pair solutions; or, rational points on projective varieties

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#abstract-algebra #algebraic-geometry #polynomials #projective-varieties
273
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Surjective maps of Sheaves

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#algebraic-geometry #sheaf-theory
179
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Prinicipal $Gl_n$ bundles, vector bundles and tensor exact functors

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#algebraic-geometry #reference-request #vector-bundles #principal-bundles
33
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Morphisms of presheaves from presheaf F to sheaf G

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#algebraic-geometry
199
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Why (Arakelov) intersection number well-defined

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#algebraic-geometry #algebraic-number-theory #arithmetic-geometry
356
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Euler sequence, exact sequence and Blow Up

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#algebraic-geometry #sheaf-theory #sheaf-cohomology
141
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How did the book conclude specialization of points?

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#abstract-algebra #algebraic-geometry
50
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Can I get a map $f: \Bbb P^2 \to \Bbb P^2$ defined by the monomial dehomogenization $[z_1, z_2] → [z_1^2z_2, z_1z_2]$ birational such that $fσ=σf$?

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#algebraic-geometry #commutative-algebra #projective-space #complex-dynamics #arithmetic-dynamics
53
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On an application of Bézout's theorem

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#algebraic-geometry #reference-request #projective-geometry #projective-space
385
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Computing henselization DVR

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#abstract-algebra #algebraic-geometry #local-rings
440
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Sources (other than Serre) for learning the basic GAGA type theorems?

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#algebraic-geometry #reference-request #complex-geometry
280
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Well-definedness of conormal sheaf

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#algebraic-geometry #sheaf-theory #quasicoherent-sheaves

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