List questions from modules

Published on 26 Mar 2026 - 19:37

334

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Are matroids really a generalization of independence in vector spaces?

Published on 25 Mar 2026 - 6:04

2k

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$k[x]/(x^n)$ module with finite free resolution is free

Published on 19 Oct 2014 - 2:56

496

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Statements about modules (generators and linearly independent sets)

Published on 20 Oct 2014 - 17:13

175

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Krull-Schmidt theorem and internally cancellable modules?

Published on 25 Mar 2026 - 9:22

2.5k

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Permutation modules and their vector space dimensions

Published on 20 Oct 2014 - 21:29

95

Views

Prove or disprove statements about modules

Published on 21 Oct 2014 - 14:05

234

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Characterize semisimple rings with a unique maximal ideal

Published on 21 Oct 2014 - 14:22

74

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Area between $y=2+|x-1|$ and $y=-\frac{1}{5}x+7$

Published on 31 Mar 2026 - 3:33

233

Views

$(2,1+\sqrt{-5}), (1-\sqrt{-5},2)$ generate the $\mathbb Z[\sqrt{-5}]$-module $\langle 2,1+\sqrt{-5} \rangle \times \langle 2,1+\sqrt{-5} \rangle$

Published on 22 Oct 2014 - 1:43

219

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Question on Wedderburn components of $\mathbb C[G]$

Published on 22 Oct 2014 - 12:01

61

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Can you always construct a map $A\otimes B\to A\times B$?

Published on 23 Oct 2014 - 18:54

112

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Basis of the ring $B=\operatorname{End}_R\left(R^{(\mathbb N)}\right)$

Published on 23 Oct 2014 - 18:59

6.6k

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Equivalent definitions of an algebra over a ring

Published on 24 Oct 2014 - 11:01

51

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A property about quasi-primary modules

Published on 24 Oct 2014 - 13:21

List Question

An ideal which is not finitely generated

Are matroids really a generalization of independence in vector spaces?

$k[x]/(x^n)$ module with finite free resolution is free

Statements about modules (generators and linearly independent sets)

Krull-Schmidt theorem and internally cancellable modules?

Permutation modules and their vector space dimensions

Prove or disprove statements about modules

Characterize semisimple rings with a unique maximal ideal

Area between $y=2+|x-1|$ and $y=-\frac{1}{5}x+7$

$(2,1+\sqrt{-5}), (1-\sqrt{-5},2)$ generate the $\mathbb Z[\sqrt{-5}]$-module $\langle 2,1+\sqrt{-5} \rangle \times \langle 2,1+\sqrt{-5} \rangle$

Question on Wedderburn components of $\mathbb C[G]$

Can you always construct a map $A\otimes B\to A\times B$?

Basis of the ring $B=\operatorname{End}_R\left(R^{(\mathbb N)}\right)$

Equivalent definitions of an algebra over a ring

A property about quasi-primary modules

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