List questions from commutative-algebra

Published on 25 Mar 2026 - 17:26

389

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Homology of the Koszul Complex of a quotient ring: an explicit example.

Published on 22 Apr 2026 - 19:53

170

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$\frac{\mathbb Z[x]}{(x^2)}$ is a local ring?

Published on 13 Apr 2026 - 12:01

86

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On reduction of ideals

Published on 31 Mar 2026 - 22:55

124

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Question on the Introduction of Bourbaki’s Commutative Algebra.

Published on 10 Apr 2026 - 17:46

103

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Etale covers of $\mathbb{G}_{m,k}$ in char 0

Published on 25 Mar 2026 - 17:39

50

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Primary decomposition of $I=\langle xy,x^3-x^2,x^2y-xy\rangle$

Published on 03 Apr 2026 - 16:50

196

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On ideals , in polynomial rings , generated by degree $2$ homogeneous polynomials

Published on 25 Mar 2026 - 10:55

75

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The minimal primes of $k[x,y]/\langle xy,x^3-x^2\rangle$

Published on 06 Apr 2026 - 22:19

386

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Is this tensor product of $ \mathbb Q(\sqrt { 2 }) $ a field?

Published on 16 Apr 2026 - 1:32

536

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Hilbert-Samuel multiplicity of a local ring of positive dimension is positive?

Published on 25 Mar 2026 - 7:44

207

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How to show $R$ is finitely generated as $R^G$-module.

Published on 12 Apr 2026 - 1:36

260

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Find $f \in I(V(J))$ but $f \notin J$

Published on 16 Apr 2026 - 7:03

158

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Pullback of ideal sheaf under base change to completion

Published on 13 Apr 2026 - 0:38

139

Views

Dimension of the power series ring localized at its variables

Published on 26 Mar 2026 - 3:06

List Question

Krull dimension of polynomial ring in countably many variables

Homology of the Koszul Complex of a quotient ring: an explicit example.

$\frac{\mathbb Z[x]}{(x^2)}$ is a local ring?

On reduction of ideals

Question on the Introduction of Bourbaki’s Commutative Algebra.

Etale covers of $\mathbb{G}_{m,k}$ in char 0

Primary decomposition of $I=\langle xy,x^3-x^2,x^2y-xy\rangle$

On ideals , in polynomial rings , generated by degree $2$ homogeneous polynomials

The minimal primes of $k[x,y]/\langle xy,x^3-x^2\rangle$

Is this tensor product of $ \mathbb Q(\sqrt { 2 }) $ a field?

Hilbert-Samuel multiplicity of a local ring of positive dimension is positive?

How to show $R$ is finitely generated as $R^G$-module.

Find $f \in I(V(J))$ but $f \notin J$

Pullback of ideal sheaf under base change to completion

Dimension of the power series ring localized at its variables

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