List questions from commutative-algebra

Published on 25 Mar 2026 - 1:15

114

Views

Showing that the Composition of Boundary Maps of the Koszul Complex is Zero

Published on 01 Apr 2026 - 2:58

390

Views

Atiyah-MacDonald exercise 3.29

Published on 05 Apr 2019 - 5:10

85

Views

How to understand $k \otimes_R \alpha \cong k \oplus k$?

Published on 25 Mar 2026 - 6:05

114

Views

How to show that $\mathcal{F} \otimes \mathcal{F}^\vee \cong \mathcal{O}_X$

Published on 25 Mar 2026 - 23:38

199

Views

Is there a principal maximal ideal in $\mathbb F_q[X,Y]$?

Published on 28 Mar 2026 - 17:40

55

Views

What is a simply presented group?

Published on 25 Mar 2026 - 11:10

1.1k

Views

Why is the wedge product skew commutative?

Published on 06 Apr 2019 - 17:49

29

Views

If a polynomial is reducible say $F=fg$($f \neq g$), does $V(F)$ still have codimension $1$?

Published on 25 Mar 2026 - 4:43

77

Views

Relations between ideals and varieties

Published on 07 Apr 2019 - 5:43

942

Views

Is $k[x,y]/(xy-1)$ an integral extension of $k[x]$?

Published on 06 Apr 2026 - 14:20

203

Views

For an integral extension $A \subseteq B$, $\sqrt{IB}\cap A=\sqrt{I}$

Published on 23 Feb 2026 - 4:19

360

Views

If $Q \in\mathrm{Spec}(B)$ is the unique prime ideal lying over $P \in\mathrm{Spec}(A)$, then $B_P=B_Q$.

Published on 23 Feb 2026 - 4:23

133

Views

Does the Burnside $\mathbb Q$-algebra $A$ of a group depend only on $\dim_{\mathbb Q}A$?

Published on 25 Mar 2026 - 3:02

118

Views

Moving elements in chains of primes of a Noetherian local ring

Published on 08 Apr 2019 - 17:35

List Question

On rings whose $K_0$ has nice properties

Showing that the Composition of Boundary Maps of the Koszul Complex is Zero

Atiyah-MacDonald exercise 3.29

How to understand $k \otimes_R \alpha \cong k \oplus k$?

How to show that $\mathcal{F} \otimes \mathcal{F}^\vee \cong \mathcal{O}_X$

Is there a principal maximal ideal in $\mathbb F_q[X,Y]$?

What is a simply presented group?

Why is the wedge product skew commutative?

If a polynomial is reducible say $F=fg$($f \neq g$), does $V(F)$ still have codimension $1$?

Relations between ideals and varieties

Is $k[x,y]/(xy-1)$ an integral extension of $k[x]$?

For an integral extension $A \subseteq B$, $\sqrt{IB}\cap A=\sqrt{I}$

If $Q \in\mathrm{Spec}(B)$ is the unique prime ideal lying over $P \in\mathrm{Spec}(A)$, then $B_P=B_Q$.

Does the Burnside $\mathbb Q$-algebra $A$ of a group depend only on $\dim_{\mathbb Q}A$?

Moving elements in chains of primes of a Noetherian local ring

Trending Questions

Popular # Hahtags

Popular Questions