Question

Question about existence of a minimal resolution in the proof of Theorem 19.6 in Matsumura, Commutative Ring Theory

score 71 · Answer 1 · 2026-04-11 16:11:25

Question about existence of a minimal resolution in the proof of Theorem 19.6 in Matsumura, Commutative Ring Theory

score 174 · Answer 2 · 2026-04-11 18:48:49

174

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Does Spec functor sends pushouts of rings into pullbacks of sets?

Published on 11 Apr 2026 - 18:48

score 399 · Answer 3 · 2026-04-12 11:35:02

399

Views

Trying to understand Grobner basis

Published on 12 Apr 2026 - 11:35

score 56 · Answer 4 · 2026-04-09 03:39:18

56

Views

Concerning possible degrees of certain $f,g \in k[t]$

Published on 09 Apr 2026 - 3:39

score 86 · Answer 5 · 2026-04-09 03:40:27

86

Views

When $\mathbb{C}(f(t),g(t))=\mathbb{C}(t)$ imply that there exist $a,b \in \mathbb{C}$ such that $\deg(\gcd(f(t)-a,g(t)-b))=2$?

Published on 09 Apr 2026 - 3:40

score 418 · Answer 6 · 2026-03-27 10:48:01

418

Views

Number of maximal ideals of a subring of $\mathbb{Q}$

Published on 27 Mar 2026 - 10:48

score 148 · Answer 7 · 2026-04-09 12:09:28

148

Views

Local cohomology modules and direct limits

Published on 09 Apr 2026 - 12:09

score 123 · Answer 8 · 2026-03-25 06:12:06

123

Views

On a particular kind of ideals in Noetherian local rings

Published on 25 Mar 2026 - 6:12

score 125 · Answer 9 · 2026-03-25 09:32:11

125

Views

Finite generation of a certain class of monoids in $\mathbb{N}^k$

Published on 25 Mar 2026 - 9:32

score 36 · Answer 10 · 2026-03-30 01:30:04

36

Views

Points on a scheme with given norm (or finding the maximal ideals of $\mathbb F_p[T_1, \dots, T_n]$)

Published on 30 Mar 2026 - 1:30

score 74 · Answer 11 · 2026-04-12 13:31:26

74

Views

How to check $\mathrm{Spec}(R[T_0,\dots, T_n,1/T_i])\to \mathrm{Spec}(R[T_0/T_i,\dots, T_n/T_i])$ is epimorphism?

Published on 12 Apr 2026 - 13:31

score 382 · Answer 12 · 2026-03-25 13:53:38

382

Views

Is $\mathbb{Q}[x,y]/((x+y)^3-2)$ a UFD?

Published on 25 Mar 2026 - 13:53

score 176 · Answer 13 · 2026-04-03 15:15:11

176

Views

Support of $\mathbb{C}[x]/(x^2-1)$ as $\mathbb C[x]$-module

Published on 03 Apr 2026 - 15:15

score 329 · Answer 14 · 2026-04-03 15:09:07

329

Views

$\operatorname{Supp}(\mathbb{Q}/\mathbb{Z})$ as a $\mathbb{Z}$-module

Published on 03 Apr 2026 - 15:09

score 308 · Answer 15 · 2026-03-29 20:33:51

308

Views

If (ideals) $J\subseteq I_1\cup\dots\cup I_n$ and $I_3,\dots,I_n$ are prime then $J\subseteq I_k$

Published on 29 Mar 2026 - 20:33

List Question

Question about existence of a minimal resolution in the proof of Theorem 19.6 in Matsumura, Commutative Ring Theory

Does Spec functor sends pushouts of rings into pullbacks of sets?

Trying to understand Grobner basis

Concerning possible degrees of certain $f,g \in k[t]$

When $\mathbb{C}(f(t),g(t))=\mathbb{C}(t)$ imply that there exist $a,b \in \mathbb{C}$ such that $\deg(\gcd(f(t)-a,g(t)-b))=2$?

Number of maximal ideals of a subring of $\mathbb{Q}$

Local cohomology modules and direct limits

On a particular kind of ideals in Noetherian local rings

Finite generation of a certain class of monoids in $\mathbb{N}^k$

Points on a scheme with given norm (or finding the maximal ideals of $\mathbb F_p[T_1, \dots, T_n]$)

How to check $\mathrm{Spec}(R[T_0,\dots, T_n,1/T_i])\to \mathrm{Spec}(R[T_0/T_i,\dots, T_n/T_i])$ is epimorphism?

Is $\mathbb{Q}[x,y]/((x+y)^3-2)$ a UFD?

Support of $\mathbb{C}[x]/(x^2-1)$ as $\mathbb C[x]$-module

$\operatorname{Supp}(\mathbb{Q}/\mathbb{Z})$ as a $\mathbb{Z}$-module

If (ideals) $J\subseteq I_1\cup\dots\cup I_n$ and $I_3,\dots,I_n$ are prime then $J\subseteq I_k$

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