List questions from commutative-algebra

Published on 23 Mar 2026 - 10:27

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calculation of multiplicity of a subvariety

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What does it mean to localize a ring at a prime ideal?

Published on 08 Feb 2018 - 21:43

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Injective map from a module of finite rank to free module

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Isomorphism between tensor of module's dual and Hom(M,-)

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Can we find an ideal $I$ of $\mathbb{C}[X,Y]$ such that $\lbrace(x,y)\in \mathbb{C}^2 : \vert x\vert = \vert y\vert\rbrace = V(I)$?

Published on 09 Feb 2018 - 1:27

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Is there a name for the polynomial $x^n-a$?

Published on 25 Mar 2026 - 17:24

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In homomorphic image of Jacobson ring Nilradical is equal to the Jacobson radical.

Published on 25 Mar 2026 - 17:20

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leading coefficient of Hilbert polynomial

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Minimal ideal in commutative finite rings

Published on 22 Mar 2026 - 20:20

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Irreducibility of $P(X)-P(Y)+1$

Published on 25 Mar 2026 - 0:07

98

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Questions about tensor products

Published on 21 Mar 2026 - 22:26

219

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Which modules have exactly one maximal submodule?

Published on 10 Feb 2018 - 15:52

156

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Ideal multiplication in polynomial rings

Published on 11 Feb 2018 - 17:30

115

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Cyclic Quartic Extension

Published on 12 Feb 2018 - 0:14

List Question

Lemma about Dedekind ring

calculation of multiplicity of a subvariety

What does it mean to localize a ring at a prime ideal?

Injective map from a module of finite rank to free module

Isomorphism between tensor of module's dual and Hom(M,-)

Can we find an ideal $I$ of $\mathbb{C}[X,Y]$ such that $\lbrace(x,y)\in \mathbb{C}^2 : \vert x\vert = \vert y\vert\rbrace = V(I)$?

Is there a name for the polynomial $x^n-a$?

In homomorphic image of Jacobson ring Nilradical is equal to the Jacobson radical.

leading coefficient of Hilbert polynomial

Minimal ideal in commutative finite rings

Irreducibility of $P(X)-P(Y)+1$

Questions about tensor products

Which modules have exactly one maximal submodule?

Ideal multiplication in polynomial rings

Cyclic Quartic Extension

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