List questions from commutative-algebra

Published on 01 Apr 2026 - 6:42

69

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Computing the kernel of $A[t] \rightarrow K : t \mapsto \frac{a}{b}$.

Published on 07 Apr 2026 - 8:00

147

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Gluing functions from irreducible components of a reduced curve if they agree on the intersection points

Published on 25 Mar 2026 - 11:14

106

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Nonsurjective map to second dual module

Published on 02 Apr 2026 - 5:39

98

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Proving that a prime ideal is principal

Published on 30 Mar 2026 - 22:56

94

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Zero divisor in chain of radical ideals

Published on 16 Apr 2019 - 0:54

89

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If $R$ is a PID then $\mathrm{Spec}(R)\!=\!\mathrm{Max}(R)\!\cup\!\{0\}$?

Published on 01 Apr 2026 - 2:56

42

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If $K$ is a field then $\frac{K[x_1,x_2,...,x_n]}{(x_1-\alpha_1,...,x_i-\alpha_i)}\cong K[x_{i+1},...,x_n]$

Published on 01 Apr 2026 - 4:30

367

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A Dedekind domain without prime elements

Published on 29 Mar 2026 - 3:20

198

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Functor of points of the completion of a ring

Published on 05 Apr 2026 - 3:13

70

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When a two-generated ideal in $\mathbb{Z}[\sqrt{-3}]$ is the unit ideal or principal?

Published on 31 Mar 2026 - 3:02

89

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Finiteness of intersection numbers

Published on 26 Mar 2026 - 7:31

296

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Kahler differentials of a Hopf Algebra

Published on 25 Mar 2026 - 12:55

309

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Kernel of an algebra map and module of Kahler Differentials

Published on 25 Mar 2026 - 12:52

308

Views

Find irreducible and connected components of $\operatorname{Spec}(\mathbb{C}[x] \times \mathbb{C}[y])$

Published on 31 Mar 2026 - 5:22

List Question

Prove that $\overline {B^*} = B.$

Computing the kernel of $A[t] \rightarrow K : t \mapsto \frac{a}{b}$.

Gluing functions from irreducible components of a reduced curve if they agree on the intersection points

Nonsurjective map to second dual module

Proving that a prime ideal is principal

Zero divisor in chain of radical ideals

If $R$ is a PID then $\mathrm{Spec}(R)\!=\!\mathrm{Max}(R)\!\cup\!\{0\}$?

If $K$ is a field then $\frac{K[x_1,x_2,...,x_n]}{(x_1-\alpha_1,...,x_i-\alpha_i)}\cong K[x_{i+1},...,x_n]$

A Dedekind domain without prime elements

Functor of points of the completion of a ring

When a two-generated ideal in $\mathbb{Z}[\sqrt{-3}]$ is the unit ideal or principal?

Finiteness of intersection numbers

Kahler differentials of a Hopf Algebra

Kernel of an algebra map and module of Kahler Differentials

Find irreducible and connected components of $\operatorname{Spec}(\mathbb{C}[x] \times \mathbb{C}[y])$

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