List questions from algebraic-geometry

Published on 16 Apr 2026 - 12:34

39

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Degree of the extension $k(x)/k(q(x))$ for a rational function $q\in k(x)$

Published on 16 Apr 2026 - 0:56

35

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Trying to prove that $\mathbb{G}_m^2$ is isomorphic to $D_2$ (algebraic groups)

Published on 16 Apr 2026 - 13:15

244

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Proof of strong nullstellensatz in Atiyah-Macdonald (Exercise 7.14)

Published on 11 Apr 2026 - 20:21

111

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What is the definition of ''geometrically irreducible closed curve''?

Published on 12 Apr 2026 - 2:46

285

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When does the Borel subgroups of affine (linear) algebraic groups come from Borel subgroups of general linear group?

Published on 15 Apr 2026 - 14:40

188

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Notation in Vakil's 18.4.O

Published on 16 Apr 2026 - 14:06

49

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Simple question about affine varieties and coordinate rings

Published on 11 Apr 2026 - 20:49

118

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Condition on open cover in definition of sheaf in Hartshorne

Published on 10 Apr 2026 - 9:01

228

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Does isomorphism of affine varieties preserve closed sets and open sets?

Published on 17 Apr 2026 - 1:20

121

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Uniform Bound on fibres of a finite morphism between affine varieties.

Published on 13 Apr 2026 - 16:57

695

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Value of the structure sheaf on a general open in Spec(R)

Published on 11 Apr 2026 - 4:57

78

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Divisors on the complex plane

Published on 12 Apr 2026 - 23:20

133

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Making $H^(\mathbf{P}^\infty)=\lim H^(\mathbf{P}^n)=k[t]$ precise using stacks

Published on 23 Apr 2026 - 14:30

298

Views

Chow ring isomorphic to homology ring?

Published on 12 Apr 2026 - 20:17

List Question

Depth under base change - Cartier divisors

Degree of the extension $k(x)/k(q(x))$ for a rational function $q\in k(x)$

Trying to prove that $\mathbb{G}_m^2$ is isomorphic to $D_2$ (algebraic groups)

Proof of strong nullstellensatz in Atiyah-Macdonald (Exercise 7.14)

What is the definition of ''geometrically irreducible closed curve''?

When does the Borel subgroups of affine (linear) algebraic groups come from Borel subgroups of general linear group?

Notation in Vakil's 18.4.O

Simple question about affine varieties and coordinate rings

Condition on open cover in definition of sheaf in Hartshorne

Does isomorphism of affine varieties preserve closed sets and open sets?

Uniform Bound on fibres of a finite morphism between affine varieties.

Value of the structure sheaf on a general open in Spec(R)

Divisors on the complex plane

Making $H^(\mathbf{P}^\infty)=\lim H^(\mathbf{P}^n)=k[t]$ precise using stacks

Chow ring isomorphic to homology ring?

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