List questions from ideals

Published on 25 Mar 2026 - 16:12

513

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Techniques for showing an ideal in $k[x_1,\ldots,x_n]$ is prime

Published on 30 Mar 2014 - 18:45

1.5k

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When an Intersection of Prime Ideals is a Prime Ideal

Published on 30 Mar 2014 - 20:49

1.6k

Views

Is it true that an ideal is primary iff its radical is prime?

Published on 31 Mar 2014 - 11:24

215

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Idempotent/Spec

Published on 31 Mar 2014 - 13:21

435

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Spec($A$) is connected if $A$ is local

Published on 31 Mar 2014 - 13:24

125

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Minimal primes and zero divisors

Published on 31 Mar 2014 - 14:38

3.7k

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Ideals in direct product of rings

Published on 31 Mar 2014 - 22:23

208

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If $A/\mathfrak a$ is flat over $A$ then $V(\mathfrak a)$ is open. Why?

Published on 01 Apr 2014 - 13:45

118

Views

Normal ring and unmixed ideals

Published on 01 Apr 2014 - 14:07

939

Views

Class Group of Ring of Integers of $\mathbb{Q}[\sqrt{-57}]$

Published on 02 Apr 2014 - 6:40

910

Views

Maximal ideals in $\mathbb{Z}[x]$

Published on 02 Apr 2014 - 13:33

241

Views

Example of irreducible ideal which is not strongly irreducible

Published on 03 Apr 2014 - 13:38

122

Views

Show that these rings of Gaussian integers are ideals in $\mathbb{Z}[i]$?

Published on 03 Apr 2014 - 14:58

8.4k

Views

Show that $M_2(\mathbb{R})$ has no non-trivial two-sided ideals

Published on 04 Apr 2014 - 5:48

List Question

Complexifications of degree 3 subschemes in $\mathbb A^2_{\mathbb R}$

Techniques for showing an ideal in $k[x_1,\ldots,x_n]$ is prime

When an Intersection of Prime Ideals is a Prime Ideal

Is it true that an ideal is primary iff its radical is prime?

Idempotent/Spec

Spec($A$) is connected if $A$ is local

Minimal primes and zero divisors

Ideals in direct product of rings

If $A/\mathfrak a$ is flat over $A$ then $V(\mathfrak a)$ is open. Why?

Normal ring and unmixed ideals

Class Group of Ring of Integers of $\mathbb{Q}[\sqrt{-57}]$

Maximal ideals in $\mathbb{Z}[x]$

Example of irreducible ideal which is not strongly irreducible

Show that these rings of Gaussian integers are ideals in $\mathbb{Z}[i]$?

Show that $M_2(\mathbb{R})$ has no non-trivial two-sided ideals

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