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l-adic Cohomology groups of the grassmanian G(d, n)

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#number-theory #algebraic-geometry #algebraic-topology
42
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Krull dimension of $\mathbb{F}[X]_{M_x}$

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#abstract-algebra #algebraic-geometry
188
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An invertible sheaf is algebraic equivalent to 0 iff its degree is 0

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#algebraic-geometry #algebraic-curves
220
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Lemma of dévissage from Mumford's AGII

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#algebraic-geometry #sheaf-theory #schemes #abelian-categories #coherent-sheaves
266
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Is the total space of tautological line bundle an affine variety?

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#algebraic-geometry
157
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How to reduce the morphism of schemes to affine case.

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#algebraic-geometry #schemes
652
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Doubts on the proof about the classification of irreducible projective conics

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#algebraic-geometry #algebraic-curves #projective-geometry #projective-space
110
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An open subset of a special type of Grassmannian obtained from a local ring

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#algebraic-geometry #commutative-algebra #grassmannian #projective-varieties
186
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Isogeny inducing isomorphism

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#algebraic-geometry #elliptic-curves #algebraic-curves
296
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If a filtration of a module $M$ splits, then $M$ is locally free (Görtz & Wedhorn)

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#abstract-algebra #algebraic-geometry #commutative-algebra #proof-explanation #filtrations
42
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$L_d = (\mathbb{C}^{n+1} - \{0\}) \times \mathbb{C}/\sim,$ where $(x_0, \dots, x_n, q) \sim (\lambda x_0, \dots \lambda x_n, \lambda^dq).$

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#algebraic-geometry #manifolds #equivalence-relations #projective-geometry #projective-space
87
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How to show an ideal isn't radical

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#algebraic-geometry #commutative-algebra #ideals
252
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Globally generated line bundle on reducible curve

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#algebraic-geometry
73
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isomorphic when base changed to stalks means locally isomorphic?

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#algebraic-geometry
138
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Showing that two ideals are equivalent.

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#algebraic-geometry #ring-theory #ideals

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