Question

On the translation between a morphism of schemes and its geometric description

score 341 · Answer 1 · 2026-03-25 23:10:12

341

Views

On the translation between a morphism of schemes and its geometric description

Published on 25 Mar 2026 - 23:10

score 116 · Answer 2 · 2026-03-24 23:45:04

116

Views

Show that $\mathbb{Z}[\sqrt{-5}]_3 \simeq \mathbb{Z}_3[\sqrt{-5}]$

Published on 24 Mar 2026 - 23:45

score 41 · Answer 3 · 2026-03-25 17:21:31

41

Views

Action of $GL_n(k)$ on the space of polynomials in $n^2$ indeterminates

Published on 25 Mar 2026 - 17:21

score 196 · Answer 4 · 2026-03-27 18:19:13

196

Views

Reference on dimension theory (commutative algebra)

Published on 27 Mar 2026 - 18:19

score 51 · Answer 5 · 2018-08-31 13:01:23

51

Views

Surjection from $M$ to the quotient $R/P$ for $R$ a local ring with maximal ideal $P.$

Published on 31 Aug 2018 - 13:01

score 173 · Answer 6 · 2026-03-27 12:03:09

173

Views

Minimal polynomial for module over $A$ such that $A[x]$ is not a PID

Published on 27 Mar 2026 - 12:03

score 854 · Answer 7 · 2026-03-25 11:04:43

854

Views

Zariski topology and product topology on $\mathbb A_k^m \times \mathbb A_k^n$

Published on 25 Mar 2026 - 11:04

score 64 · Answer 8 · 2026-03-27 13:47:34

64

Views

computing more dimensions of rings $\mathbb{C}[[x,y,z]]/(f(x,y))$

Published on 27 Mar 2026 - 13:47

score 107 · Answer 9 · 2026-03-28 08:32:17

107

Views

Theorem 10.2 in Matsumura's commutative ring theory

Published on 28 Mar 2026 - 8:32

score 203 · Answer 10 · 2026-02-23 02:29:17

203

Views

About the definition of an integral element in commutative rings

Published on 23 Feb 2026 - 2:29

score 92 · Answer 11 · 2018-09-01 15:52:07

92

Views

$\operatorname{Spec}(A) = V(\sqrt{A})$ them $\operatorname{Spec}A) =\{ \{ 0 \} \}$

Published on 01 Sep 2018 - 15:52

score 568 · Answer 12 · 2026-03-25 11:13:32

568

Views

If $S$ is a Noetherian ring and $R\subset S$ is a sub-ring, prove that $R$ is Noetherian or a counterexample

Published on 25 Mar 2026 - 11:13

score 149 · Answer 13 · 2026-03-25 06:12:59

149

Views

Vanishing ideal of the fiber product of two affine sets

Published on 25 Mar 2026 - 6:12

score 219 · Answer 14 · 2026-03-25 07:45:43

219

Views

On the radical of a certain ideal of sixteen variable polynomial ring, generated by the entries of certain matrices

Published on 25 Mar 2026 - 7:45

score 39 · Answer 15 · 2026-03-28 08:35:39

39

Views

Is $\sqrt{X-1}$ an element of the completed ring $\mathbb{C}[X]_\mathfrak{p}$ with $\mathfrak{p} = (X+1)$?

Published on 28 Mar 2026 - 8:35

List Question

On the translation between a morphism of schemes and its geometric description

Show that $\mathbb{Z}[\sqrt{-5}]_3 \simeq \mathbb{Z}_3[\sqrt{-5}]$

Action of $GL_n(k)$ on the space of polynomials in $n^2$ indeterminates

Reference on dimension theory (commutative algebra)

Surjection from $M$ to the quotient $R/P$ for $R$ a local ring with maximal ideal $P.$

Minimal polynomial for module over $A$ such that $A[x]$ is not a PID

Zariski topology and product topology on $\mathbb A_k^m \times \mathbb A_k^n$

computing more dimensions of rings $\mathbb{C}[[x,y,z]]/(f(x,y))$

Theorem 10.2 in Matsumura's commutative ring theory

About the definition of an integral element in commutative rings

$\operatorname{Spec}(A) = V(\sqrt{A})$ them $\operatorname{Spec}A) =\{ \{ 0 \} \}$

If $S$ is a Noetherian ring and $R\subset S$ is a sub-ring, prove that $R$ is Noetherian or a counterexample

Vanishing ideal of the fiber product of two affine sets

On the radical of a certain ideal of sixteen variable polynomial ring, generated by the entries of certain matrices

Is $\sqrt{X-1}$ an element of the completed ring $\mathbb{C}[X]_\mathfrak{p}$ with $\mathfrak{p} = (X+1)$?

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