Question

What is the conceptual description for the determinant?

score 75 · Answer 1 · 2026-03-28 14:27:25

75

Views

What is the conceptual description for the determinant?

Published on 28 Mar 2026 - 14:27

score 665 · Answer 2 · 2026-04-01 13:06:05

665

Views

Nilradical of a commutative ring

Published on 01 Apr 2026 - 13:06

score 81 · Answer 3 · 2026-03-28 21:44:22

81

Views

Map $f:M \to M^{\vee \vee}$ to Double Dual Space

Published on 28 Mar 2026 - 21:44

score 177 · Answer 4 · 2026-04-01 14:46:34

177

Views

Let $A$ be a commutative ring and $f\in A[X]$ with $f \not\equiv 0$. Show that if $f|0$ in $A[X]$ then $\exists a \in A$ st $a \neq 0$ and $af = 0$

Published on 01 Apr 2026 - 14:46

score 64 · Answer 5 · 2018-10-08 12:44:03

64

Views

Computing $\operatorname{Hom}_{\mathbb{Z}}(\mathbb{Z}^n,\mathbb{Z}) \otimes_{\mathbb{Z}} \mathbb{R}$

Published on 08 Oct 2018 - 12:44

score 332 · Answer 6 · 2026-03-25 06:06:22

332

Views

There are finitely many minimal prime ideals in every $B\subseteq \operatorname{Spec} A $ for $A $ noetherian?

Published on 25 Mar 2026 - 6:06

score 107 · Answer 7 · 2018-10-08 16:36:56

107

Views

bijection between points and algebra homomorphisms

Published on 08 Oct 2018 - 16:36

score 210 · Answer 8 · 2018-10-08 18:26:37

210

Views

Bijection between a point in variety and the set of k-algebra homomorphism

Published on 08 Oct 2018 - 18:26

score 35 · Answer 9 · 2018-10-09 03:05:12

35

Views

Are these two maps injective? (I'm trying to check a Tor group computation)

Published on 09 Oct 2018 - 3:05

score 205 · Answer 10 · 2026-03-29 15:37:16

205

Views

Problem on the Fitting ideal

Published on 29 Mar 2026 - 15:37

score 71 · Answer 11 · 2026-04-01 14:50:16

71

Views

Wrong proof of Hilbert's Nullstellensatz

Published on 01 Apr 2026 - 14:50

score 173 · Answer 12 · 2026-04-01 12:02:04

173

Views

Do we have $R\simeq S$ for two submodules $R,S$ of $A^n$?

Published on 01 Apr 2026 - 12:02

score 73 · Answer 13 · 2026-03-28 21:44:18

73

Views

Is faithful flatness implying $M \otimes_{S^{-1}R} S^{-1}N \cong M \otimes_R N$?

Published on 28 Mar 2026 - 21:44

score 467 · Answer 14 · 2026-03-25 18:45:27

467

Views

Why are infinitesimal deformation defined to be over Artin rings?

Published on 25 Mar 2026 - 18:45

score 313 · Answer 15 · 2026-04-04 00:30:17

313

Views

Is $R$ finitely generated?

Published on 04 Apr 2026 - 0:30

List Question

What is the conceptual description for the determinant?

Nilradical of a commutative ring

Map $f:M \to M^{\vee \vee}$ to Double Dual Space

Let $A$ be a commutative ring and $f\in A[X]$ with $f \not\equiv 0$. Show that if $f|0$ in $A[X]$ then $\exists a \in A$ st $a \neq 0$ and $af = 0$

Computing $\operatorname{Hom}_{\mathbb{Z}}(\mathbb{Z}^n,\mathbb{Z}) \otimes_{\mathbb{Z}} \mathbb{R}$

There are finitely many minimal prime ideals in every $B\subseteq \operatorname{Spec} A $ for $A $ noetherian?

bijection between points and algebra homomorphisms

Bijection between a point in variety and the set of k-algebra homomorphism

Are these two maps injective? (I'm trying to check a Tor group computation)

Problem on the Fitting ideal

Wrong proof of Hilbert's Nullstellensatz

Do we have $R\simeq S$ for two submodules $R,S$ of $A^n$?

Is faithful flatness implying $M \otimes_{S^{-1}R} S^{-1}N \cong M \otimes_R N$?

Why are infinitesimal deformation defined to be over Artin rings?

Is $R$ finitely generated?

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