List questions from ideals

Published on 29 Mar 2026 - 10:26

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Find all the ideals of $\mathbb Q[X]$

Published on 13 Sep 2014 - 8:08

93

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An error in the book "noncommutative ring" writed by Herstein

Published on 28 Mar 2026 - 20:53

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Intersection of two polynomial ideals

Published on 15 Sep 2014 - 19:38

239

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kernel of homomorphism $\mathbb{C}[x,y] \to \mathbb{C}[t]$ but in general case

Published on 15 Sep 2014 - 20:30

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Preimage of maximal ideal is maximal

Published on 16 Sep 2014 - 21:54

191

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Improved Gröbner basis algorithm

Published on 02 Apr 2026 - 2:34

500

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Commutative ring and maximal ideal problem

Published on 18 Sep 2014 - 17:57

97

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Non Maximal Prime ideal!

Published on 18 Sep 2014 - 19:00

2.1k

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Radical ideals of $\mathbb{Z}$?

Published on 18 Sep 2014 - 19:10

116

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Prove that, if $(a)=(a')$, then $a'=ua$

Published on 20 Sep 2014 - 12:13

390

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How to show that $\mathbb{C}[x_1,x_2,x_3, x_4]/(x_1x_2 - x_3x_4, x_1x_3 - x_2x_4, x_1x_4 - x_2x_3)$ is an integral domain?

Published on 25 Mar 2026 - 17:26

533

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Colon ideal of fractional ideals is itself a fractional ideal

Published on 25 Mar 2026 - 17:20

1.4k

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Set of prime ideals contain a minimal element

Published on 21 Sep 2014 - 5:21

307

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For any two Ideals $A$ and $B$,$A+B=\langle A \cup B \rangle$

Published on 23 Sep 2014 - 6:14

List Question

Are ideals necessarily definable?

Find all the ideals of $\mathbb Q[X]$

An error in the book "noncommutative ring" writed by Herstein

Intersection of two polynomial ideals

kernel of homomorphism $\mathbb{C}[x,y] \to \mathbb{C}[t]$ but in general case

Preimage of maximal ideal is maximal

Improved Gröbner basis algorithm

Commutative ring and maximal ideal problem

Non Maximal Prime ideal!

Radical ideals of $\mathbb{Z}$?

Prove that, if $(a)=(a')$, then $a'=ua$

How to show that $\mathbb{C}[x_1,x_2,x_3, x_4]/(x_1x_2 - x_3x_4, x_1x_3 - x_2x_4, x_1x_4 - x_2x_3)$ is an integral domain?

Colon ideal of fractional ideals is itself a fractional ideal

Set of prime ideals contain a minimal element

For any two Ideals $A$ and $B$,$A+B=\langle A \cup B \rangle$

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