Question

Morphism of tangent space induce from a morphism of varieties.

score 382 · Answer 1 · 2026-03-26 13:00:52

382

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Morphism of tangent space induce from a morphism of varieties.

Published on 26 Mar 2026 - 13:00

score 457 · Answer 2 · 2026-03-26 10:46:11

457

Views

Question with the definition of rational maps (Algebraic geometry)

Published on 26 Mar 2026 - 10:46

score 69 · Answer 3 · 2021-05-22 06:51:29

69

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Question about the equivalence relation of irreducible algebraic subset

Published on 22 May 2021 - 6:51

score 212 · Answer 4 · 2021-05-24 09:07:47

212

Views

Why is the structure sheaf on an affine scheme defined the way it is, and why is there a difference in the literature?

Published on 24 May 2021 - 9:07

score 184 · Answer 5 · 2021-05-25 20:43:27

184

Views

local ring of variety over not necessarily algebraically closed field

Published on 25 May 2021 - 20:43

score 122 · Answer 6 · 2026-03-26 12:50:39

122

Views

Corestricting an affine morphism of algebraic varieties to an affine subvariety of target

Published on 26 Mar 2026 - 12:50

score 87 · Answer 7 · 2021-05-31 05:23:32

87

Views

Let $X\subseteq \mathbb{C}^n$ isomorphic to $\mathbb{C}$. Prove there is an automorphism $f$ such that $f(X)$ is a line.

Published on 31 May 2021 - 5:23

score 146 · Answer 8 · 2026-03-26 12:46:55

146

Views

Extrinsic vs intrinsic definitions of classical varieties

Published on 26 Mar 2026 - 12:46

score 94 · Answer 9 · 2026-03-25 07:58:44

94

Views

Confusion in grobner basis and ideals generated by matrices.

Published on 25 Mar 2026 - 7:58

score 588 · Answer 10 · 2021-06-06 00:44:52

588

Views

Definition of Affine Varieties

Published on 06 Jun 2021 - 0:44

score 67 · Answer 11 · 2026-02-23 21:19:11

67

Views

How to reduce to the affine case? Number of points in the fibre and the degree of field extension.

Published on 23 Feb 2026 - 21:19

score 65 · Answer 12 · 2021-06-10 08:02:28

65

Views

question about local complete intersection of affine varieties at a regular point

Published on 10 Jun 2021 - 8:02

score 142 · Answer 13 · 2021-06-10 08:32:23

142

Views

What do irreducible closed subsets of a variety look like?

Published on 10 Jun 2021 - 8:32

score 155 · Answer 14 · 2021-06-10 09:02:47

155

Views

Hartshorne Exercise 2.15/Proposition 2.6: Proving injectivity of functor

Published on 10 Jun 2021 - 9:02

score 39 · Answer 15 · 2021-06-13 06:32:45

39

Views

Given dominant morphism between irreducible varieties, prove that image of a proper closed subset is not dense.

Published on 13 Jun 2021 - 6:32

List Question

Morphism of tangent space induce from a morphism of varieties.

Question with the definition of rational maps (Algebraic geometry)

Question about the equivalence relation of irreducible algebraic subset

Why is the structure sheaf on an affine scheme defined the way it is, and why is there a difference in the literature?

local ring of variety over not necessarily algebraically closed field

Corestricting an affine morphism of algebraic varieties to an affine subvariety of target

Let $X\subseteq \mathbb{C}^n$ isomorphic to $\mathbb{C}$. Prove there is an automorphism $f$ such that $f(X)$ is a line.

Extrinsic vs intrinsic definitions of classical varieties

Confusion in grobner basis and ideals generated by matrices.

Definition of Affine Varieties

How to reduce to the affine case? Number of points in the fibre and the degree of field extension.

question about local complete intersection of affine varieties at a regular point

What do irreducible closed subsets of a variety look like?

Hartshorne Exercise 2.15/Proposition 2.6: Proving injectivity of functor

Given dominant morphism between irreducible varieties, prove that image of a proper closed subset is not dense.

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