Question

The ring of entire functions is a flat module over the ring of polynomials?

score 181 · Answer 1 · 2026-04-12 21:13:24

181

Views

The ring of entire functions is a flat module over the ring of polynomials?

Published on 12 Apr 2026 - 21:13

score 42 · Answer 2 · 2026-04-16 01:29:59

42

Views

Is the sequence of $\mathcal O_Y$-modules $0\to f_\mathcal I\to f_\mathcal O_X\to f_*(\mathcal O_X/\mathcal I)\to 0$ exact?

Published on 16 Apr 2026 - 1:29

score 211 · Answer 3 · 2026-04-12 06:58:14

211

Views

Fiber product of two affine varieties

Published on 12 Apr 2026 - 6:58

score 97 · Answer 4 · 2026-04-17 04:36:37

97

Views

Question on Sections of Hyperelliptic Curve

Published on 17 Apr 2026 - 4:36

score 615 · Answer 5 · 2026-04-13 21:56:58

615

Views

"sheaves of germs of differentiable functions are by no means coherent"?

Published on 13 Apr 2026 - 21:56

score 1.1k · Answer 6 · 2026-04-13 05:24:51

1.1k

Views

Completion of local ring

Published on 13 Apr 2026 - 5:24

score 69 · Answer 7 · 2026-04-16 06:29:28

69

Views

Radical ideals and vector-space dimension of quotient rings

Published on 16 Apr 2026 - 6:29

score 231 · Answer 8 · 2026-04-16 22:26:40

231

Views

Koszul exact sequence of vector bundle

Published on 16 Apr 2026 - 22:26

score 137 · Answer 9 · 2026-04-14 11:12:19

137

Views

Isomorphism involving push forward of sheaf

Published on 14 Apr 2026 - 11:12

score 55 · Answer 10 · 2026-04-08 20:21:21

55

Views

What is exactly relationship between scheme $X$ and its global sections in comparison to $C^\star$ algebra

Published on 08 Apr 2026 - 20:21

score 116 · Answer 11 · 2026-04-14 13:50:02

116

Views

Is this morphism $\mathcal O_Y\to f_*\mathcal O_X$ the same as $f^\sharp$?

Published on 14 Apr 2026 - 13:50

score 74 · Answer 12 · 2026-04-16 08:27:33

74

Views

If $\mathfrak{p}S^{-1}A$ is principal, $\mathfrak{p}$ is also principal?

Published on 16 Apr 2026 - 8:27

score 253 · Answer 13 · 2026-04-29 12:24:44

If pushforward by equivariant map of structure sheaf is structure sheaf and the space of sections isomorphic, are they isomorphic as G-modules?

score 575 · Answer 14 · 2026-04-13 12:17:51

575

Views

Quasifinite morphisms to a field are finite (Vakil)

Published on 13 Apr 2026 - 12:17

score 155 · Answer 15 · 2026-04-12 09:02:06

155

Views

Geometric interpretation of sheaves defined with equalisers

Published on 12 Apr 2026 - 9:02

List Question

The ring of entire functions is a flat module over the ring of polynomials?

Is the sequence of $\mathcal O_Y$-modules $0\to f_\mathcal I\to f_\mathcal O_X\to f_*(\mathcal O_X/\mathcal I)\to 0$ exact?

Fiber product of two affine varieties

Question on Sections of Hyperelliptic Curve

"sheaves of germs of differentiable functions are by no means coherent"?

Completion of local ring

Radical ideals and vector-space dimension of quotient rings

Koszul exact sequence of vector bundle

Isomorphism involving push forward of sheaf

What is exactly relationship between scheme $X$ and its global sections in comparison to $C^\star$ algebra

Is this morphism $\mathcal O_Y\to f_*\mathcal O_X$ the same as $f^\sharp$?

If $\mathfrak{p}S^{-1}A$ is principal, $\mathfrak{p}$ is also principal?

If pushforward by equivariant map of structure sheaf is structure sheaf and the space of sections isomorphic, are they isomorphic as G-modules?

Quasifinite morphisms to a field are finite (Vakil)

Geometric interpretation of sheaves defined with equalisers

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