List questions from ideals

Published on 09 Apr 2026 - 22:09

1.2k

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All prime ideals are invertible $\Rightarrow$ Dedekind domain

Published on 17 Apr 2026 - 13:00

300

Views

Equivalent condition for being a regular prime ideal

Published on 14 Apr 2026 - 18:37

91

Views

ideal calculation and relations

Published on 10 Apr 2026 - 9:53

141

Views

Is $A/\varphi^{-1}(\mathfrak{m})\subseteq B/\mathfrak{m}$ an integral extension?

Published on 14 Apr 2026 - 2:29

5.6k

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Every element outside the maximal ideal of a local ring is a unit

Published on 12 Apr 2026 - 16:00

185

Views

Artin's Algebra exercise special case of some theorem/problem?

Published on 15 Apr 2026 - 22:04

1.1k

Views

Quotient ring by ideal generated by several elements in steps.

Published on 11 Apr 2026 - 10:43

3.5k

Views

Polynomials with even constant term form an ideal in $\mathbb{Z}[x]$

Published on 12 Apr 2026 - 8:26

108

Views

Proof that that $K=\mathbb{Q}$

Published on 11 Apr 2026 - 23:29

186

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Examples where $R/I\cong R$?

Published on 14 Apr 2026 - 5:14

774

Views

Proof that the solutions are algebraic functions

Published on 27 Nov 2015 - 18:05

27

Views

Radicals: $\sqrt{\sum_k I^{n_k}_k}\supset \sum_k I_k$

Published on 16 Apr 2026 - 15:21

2.7k

Views

What is the degree of a prime ideal?

Published on 12 Apr 2026 - 7:55

763

Views

What is the Strategy in Computing Ideal Class Number?

Published on 11 Apr 2026 - 15:13

List Question

Is an ideal which is cyclic as a subgroup always principal?

All prime ideals are invertible $\Rightarrow$ Dedekind domain

Equivalent condition for being a regular prime ideal

ideal calculation and relations

Is $A/\varphi^{-1}(\mathfrak{m})\subseteq B/\mathfrak{m}$ an integral extension?

Every element outside the maximal ideal of a local ring is a unit

Artin's Algebra exercise special case of some theorem/problem?

Quotient ring by ideal generated by several elements in steps.

Polynomials with even constant term form an ideal in $\mathbb{Z}[x]$

Proof that that $K=\mathbb{Q}$

Examples where $R/I\cong R$?

Proof that the solutions are algebraic functions

Radicals: $\sqrt{\sum_k I^{n_k}_k}\supset \sum_k I_k$

What is the degree of a prime ideal?

What is the Strategy in Computing Ideal Class Number?

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