List questions from abstract-algebra

Published on 13 Apr 2026 - 20:56

76

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Example of coherent ring with finite self FP-Injective dimension

Published on 14 May 2026 - 6:45

66

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"Non-monic" integral closure?

Published on 14 May 2026 - 6:45

61

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Automorphism on finitely generated field.

Published on 10 Apr 2026 - 19:14

5.1k

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What does it mean when I say that addition/multiplication for an equivalence relation is well defined?

Published on 11 May 2026 - 8:46

1.1k

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Galois extensions over $\mathbb{Q}$.

Published on 12 Apr 2026 - 9:00

438

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Tensor product of noetherian modules is also noetherian?

Published on 10 May 2026 - 21:10

164

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Prove that $G/H$ is abelian.

Published on 11 May 2026 - 5:17

454

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Finding zeros of $x^{86}-6$ over the field $Z_{29}$ (abstract algebra)

Published on 15 Apr 2026 - 9:24

1.1k

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Quotient ring being isomorphic to the initial ring

Published on 15 Apr 2026 - 5:45

422

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Reference Request: Equivariant cup product in singular cohomology

Published on 15 Apr 2026 - 17:30

907

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Find a basis for the submodule $\mathbb Z^3$ consisting of all integer solutions of the system of equations $x+2y+3z=0, x+4y+9z=0$

Published on 16 Apr 2026 - 15:51

1.4k

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Problem in the "proof" of Eisenstein's criterion on irreducibility.

Published on 12 Apr 2026 - 1:40

225

Views

Interpretation of preadditive categories as rings.

Published on 29 Apr 2026 - 12:55

407

Views

Deriving Dummit's sextic resolvent for quintic polynomials

Published on 10 May 2026 - 19:11

List Question

Exercise on degree extensions of quadratic subfield over $\Bbb Q$

Example of coherent ring with finite self FP-Injective dimension

"Non-monic" integral closure?

Automorphism on finitely generated field.

What does it mean when I say that addition/multiplication for an equivalence relation is well defined?

Galois extensions over $\mathbb{Q}$.

Tensor product of noetherian modules is also noetherian?

Prove that $G/H$ is abelian.

Finding zeros of $x^{86}-6$ over the field $Z_{29}$ (abstract algebra)

Quotient ring being isomorphic to the initial ring

Reference Request: Equivariant cup product in singular cohomology

Find a basis for the submodule $\mathbb Z^3$ consisting of all integer solutions of the system of equations $x+2y+3z=0, x+4y+9z=0$

Problem in the "proof" of Eisenstein's criterion on irreducibility.

Interpretation of preadditive categories as rings.

Deriving Dummit's sextic resolvent for quintic polynomials

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