List questions from commutative-algebra

Published on 10 Apr 2026 - 2:23

58

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Fibers of projection homemorphic to affine line $\mathbb{A}_{k(s)}^1$

Published on 08 Jul 2019 - 12:31

679

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Uniqueness of isolated primary components of decomposable ideals

Published on 25 Mar 2026 - 23:13

38

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Same Fiber rings

Published on 10 Apr 2026 - 13:38

150

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Krull-Akizuki Theorem on David Eisenbud's book

Published on 09 Apr 2026 - 17:08

1.1k

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Finitely generated but not finitely presented module

Published on 03 Apr 2026 - 5:50

694

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Every submodule is finitely generated iff every nonempty collection of submodules has a maximal element

Published on 25 Mar 2026 - 17:19

146

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Which are the possible maximal ideals in $C[0,1]$ containing a prime which is not maximal?

Published on 29 Mar 2026 - 17:06

334

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Prove that $\sqrt{I} = \sqrt{J} \Leftrightarrow V(I) = V(J)$

Published on 29 Mar 2026 - 17:06

222

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Degeneracy locus

Published on 27 Mar 2026 - 6:15

108

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How to compute $\text{Ass}_{\mathbb{Z}} (\mathbb{Z} / n \mathbb{Z})$?

Published on 11 Apr 2026 - 4:59

64

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When is $\Omega^1_{E/K} \otimes_E L \to \Omega^1_{L/K}$ injective?

Published on 08 Apr 2026 - 16:49

647

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Prove that $f:R\to S^{-1}R$ is injective iff $S$ is a subset of the set all elements which are not zero-divisors of $R$

Published on 27 Mar 2026 - 7:50

235

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Quotienting by an ideal in tensor product of algebras

Published on 13 Jul 2019 - 13:14

108

Views

Some question of ideal

Published on 08 Apr 2026 - 20:09

List Question

Does every polynomial divide its (Galois-theoretic) norm?

Fibers of projection homemorphic to affine line $\mathbb{A}_{k(s)}^1$

Uniqueness of isolated primary components of decomposable ideals

Same Fiber rings

Krull-Akizuki Theorem on David Eisenbud's book

Finitely generated but not finitely presented module

Every submodule is finitely generated iff every nonempty collection of submodules has a maximal element

Which are the possible maximal ideals in $C[0,1]$ containing a prime which is not maximal?

Prove that $\sqrt{I} = \sqrt{J} \Leftrightarrow V(I) = V(J)$

Degeneracy locus

How to compute $\text{Ass}_{\mathbb{Z}} (\mathbb{Z} / n \mathbb{Z})$?

When is $\Omega^1_{E/K} \otimes_E L \to \Omega^1_{L/K}$ injective?

Prove that $f:R\to S^{-1}R$ is injective iff $S$ is a subset of the set all elements which are not zero-divisors of $R$

Quotienting by an ideal in tensor product of algebras

Some question of ideal

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