Question

About weakly associated primes

score 452 · Answer 1 · 2026-04-17 14:20:13

452

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About weakly associated primes

Published on 17 Apr 2026 - 14:20

score 191 · Answer 2 · 2026-04-16 08:52:47

191

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Let $A= \mathbb{Z}[x]$ and $ m=(2,x)$. Find the Krull dimension of $A_m$.

Published on 16 Apr 2026 - 8:52

score 270 · Answer 3 · 2026-04-14 02:38:37

270

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Flat base change preserves the property of being non-degenerate

Published on 14 Apr 2026 - 2:38

score 134 · Answer 4 · 2026-04-17 14:17:25

134

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Is $R[X]/(f)$ Cohen-Macaulay if $R$ is so?

Published on 17 Apr 2026 - 14:17

score 105 · Answer 5 · 2026-04-12 19:27:39

105

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Can $R[[x]]$ contain constants?

Published on 12 Apr 2026 - 19:27

score 156 · Answer 6 · 2026-04-14 03:12:04

156

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Grade of maximal ideals in polynomial rings over Artinian local rings

Published on 14 Apr 2026 - 3:12

score 1.5k · Answer 7 · 2026-04-13 07:31:17

1.5k

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Localization of a direct product

Published on 13 Apr 2026 - 7:31

score 85 · Answer 8 · 2026-04-14 11:52:32

85

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an apparent contradiction regarding the local ring at a point

Published on 14 Apr 2026 - 11:52

score 273 · Answer 9 · 2026-04-16 00:56:47

273

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Reid, Undergraduate Commutative Algebra, Exercise 0.23

Published on 16 Apr 2026 - 0:56

score 347 · Answer 10 · 2026-04-16 12:17:52

347

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Use of Zorn's Lemma in showing nilradical equals intersection of primes

Published on 16 Apr 2026 - 12:17

score 756 · Answer 11 · 2026-04-16 11:45:29

756

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If a proper ideal contains some power of a maximal ideal then the maximal ideal is the only prime ideal that contains the ideal.

Published on 16 Apr 2026 - 11:45

score 147 · Answer 12 · 2026-04-12 11:40:42

147

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If $\mathbb{Z}$ satisfies an identity $\eta$, then every commutative ring satisfies $\eta$? And related questions.

Published on 12 Apr 2026 - 11:40

score 86 · Answer 13 · 2026-04-08 19:50:56

86

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What is $\overline{Y}$ in $\text{Spec}A$?

Published on 08 Apr 2026 - 19:50

score 290 · Answer 14 · 2026-04-11 03:24:02

290

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Hilbert Nullstellensatz and ring of continuous functions

Published on 11 Apr 2026 - 3:24

score 239 · Answer 15 · 2026-04-12 19:36:46

239

Views

Isomorphism between Ext groups in Huybrechts and Lehn's book Geometry of Moduli Spaces of Sheaves

Published on 12 Apr 2026 - 19:36

List Question

About weakly associated primes

Let $A= \mathbb{Z}[x]$ and $ m=(2,x)$. Find the Krull dimension of $A_m$.

Flat base change preserves the property of being non-degenerate

Is $R[X]/(f)$ Cohen-Macaulay if $R$ is so?

Can $R[[x]]$ contain constants?

Grade of maximal ideals in polynomial rings over Artinian local rings

Localization of a direct product

an apparent contradiction regarding the local ring at a point

Reid, Undergraduate Commutative Algebra, Exercise 0.23

Use of Zorn's Lemma in showing nilradical equals intersection of primes

If a proper ideal contains some power of a maximal ideal then the maximal ideal is the only prime ideal that contains the ideal.

If $\mathbb{Z}$ satisfies an identity $\eta$, then every commutative ring satisfies $\eta$? And related questions.

What is $\overline{Y}$ in $\text{Spec}A$?

Hilbert Nullstellensatz and ring of continuous functions

Isomorphism between Ext groups in Huybrechts and Lehn's book Geometry of Moduli Spaces of Sheaves

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