Question

Does Ample imply direct image algebra finitely generated?

score 154 · Answer 1 · 2026-03-25 12:15:05

154

Views

Does Ample imply direct image algebra finitely generated?

Published on 25 Mar 2026 - 12:15

score 155 · Answer 2 · 2026-03-25 12:52:57

155

Views

Understanding morphism of schemes between projective spaces defined by homogeneous coordinates

Published on 25 Mar 2026 - 12:52

score 61 · Answer 3 · 2023-02-08 03:40:46

61

Views

rational functions on the integral scheme as rational map to $\Bbb{A}_\Bbb{Z}^1$

Published on 08 Feb 2023 - 3:40

score 86 · Answer 4 · 2026-03-26 11:17:35

86

Views

Intersection and preimage of standard affine open sets give another standard affine open set.

Published on 26 Mar 2026 - 11:17

score 34 · Answer 5 · 2026-03-26 09:19:51

34

Views

Rational sections of the relative dualising sheaf

Published on 26 Mar 2026 - 9:19

score 114 · Answer 6 · 2023-02-13 11:25:18

114

Views

Showing that two schemes have homeomorphic topological spaces

Published on 13 Feb 2023 - 11:25

score 84 · Answer 7 · 2026-03-31 01:05:14

84

Views

Is there any literature on geometric invariant theory on algebraic spaces?

Published on 31 Mar 2026 - 1:05

score 65 · Answer 8 · 2026-03-26 14:34:44

65

Views

For $f : X \rightarrow Y$ a morphism of schemes, for $U \subset X$ a nonempty affine open, must $f(U)$ be contained in some affine open of $Y$?

Published on 26 Mar 2026 - 14:34

score 71 · Answer 9 · 2023-02-19 02:37:46

71

Views

For a morphism of $k$-schemes $f:X\to Y$, when does the smoothness of $X$ imply the smoothness of $Y$?

Published on 19 Feb 2023 - 2:37

score 62 · Answer 10 · 2026-03-25 17:40:14

62

Views

Unicity in Hartshorne Corollary II.7.15

Published on 25 Mar 2026 - 17:40

score 347 · Answer 11 · 2026-03-31 23:47:41

347

Views

Intuition behind Separated Morphisms

Published on 31 Mar 2026 - 23:47

score 246 · Answer 12 · 2023-02-23 22:27:56

246

Views

When is a closed immersion an isomorphism?

Published on 23 Feb 2023 - 22:27

score 69 · Answer 13 · 2023-02-24 06:36:58

69

Views

Inverse image functor in category $Mod(O_X)$ and $Sh(X)$

Published on 24 Feb 2023 - 6:36

score 59 · Answer 14 · 2026-03-26 09:17:50

59

Views

Convergence of Riemann Zeta function for curves over the field $\mathbb{F_{q}}$

Published on 26 Mar 2026 - 9:17

score 114 · Answer 15 · 2026-03-26 14:40:39

114

Views

Proof Proposition 4.1 Hartshorne

Published on 26 Mar 2026 - 14:40

List Question

Does Ample imply direct image algebra finitely generated?

Understanding morphism of schemes between projective spaces defined by homogeneous coordinates

rational functions on the integral scheme as rational map to $\Bbb{A}_\Bbb{Z}^1$

Intersection and preimage of standard affine open sets give another standard affine open set.

Rational sections of the relative dualising sheaf

Showing that two schemes have homeomorphic topological spaces

Is there any literature on geometric invariant theory on algebraic spaces?

For $f : X \rightarrow Y$ a morphism of schemes, for $U \subset X$ a nonempty affine open, must $f(U)$ be contained in some affine open of $Y$?

For a morphism of $k$-schemes $f:X\to Y$, when does the smoothness of $X$ imply the smoothness of $Y$?

Unicity in Hartshorne Corollary II.7.15

Intuition behind Separated Morphisms

When is a closed immersion an isomorphism?

Inverse image functor in category $Mod(O_X)$ and $Sh(X)$

Convergence of Riemann Zeta function for curves over the field $\mathbb{F_{q}}$

Proof Proposition 4.1 Hartshorne

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