Question

the action of $\mathbb{Q}$ on the abelian group should be extended uniquely from $\mathbb Z$

score 181 · Answer 1 · 2026-03-27 14:59:16

181

Views

the action of $\mathbb{Q}$ on the abelian group should be extended uniquely from $\mathbb Z$

Published on 27 Mar 2026 - 14:59

score 144 · Answer 2 · 2026-04-02 12:23:51

144

Views

Finding a submodule of an $\frak{sl(2;\mathbb{C})}$ Module.

Published on 02 Apr 2026 - 12:23

score 247 · Answer 3 · 2026-03-26 06:19:07

247

Views

Why $\mathbb{Q}$-vector space has no $\mathbb{Q}$-torsion?

Published on 26 Mar 2026 - 6:19

score 45 · Answer 4 · 2026-03-27 14:53:59

45

Views

Is it true that $\oplus_G H \cong \mathbb{Z}[G] \otimes_{\mathbb{Z}} H$ as $\mathbb{Z}[G]$ module?

Published on 27 Mar 2026 - 14:53

score 94 · Answer 5 · 2019-09-02 06:59:46

94

Views

prove that $ \phi _\mathfrak{m}: M_\mathfrak m \rightarrow N_ \mathfrak m $ is injective then $\phi : M \rightarrow N$ is injective.

Published on 02 Sep 2019 - 6:59

score 89 · Answer 6 · 2019-09-02 10:54:38

89

Views

Module which is not a top module

Published on 02 Sep 2019 - 10:54

score 601 · Answer 7 · 2026-03-25 13:34:21

601

Views

Every finitely generated module of a PID is a direct sum of a free module and of a torsion module

Published on 25 Mar 2026 - 13:34

score 18 · Answer 8 · 2026-03-22 19:57:00

18

Views

Understanding the image of a map between two Hom sets.

Published on 22 Mar 2026 - 19:57

score 61 · Answer 9 · 2026-03-26 04:29:20

61

Views

class of abelian groups

Published on 26 Mar 2026 - 4:29

score 87 · Answer 10 · 2026-03-28 13:32:36

87

Views

Problem about 4 prime numbers and square numbers

Published on 28 Mar 2026 - 13:32

score 22 · Answer 11 · 2019-09-07 12:19:20

22

Views

the characteristic of the irreducible R-module

Published on 07 Sep 2019 - 12:19

score 85 · Answer 12 · 2019-09-07 18:45:32

85

Views

An $R$-algebra $A$ is simple if and only if $A$ is a simple right $A^{\text{opp}}\otimes A$-module

Published on 07 Sep 2019 - 18:45

score 60 · Answer 13 · 2019-09-08 03:54:17

60

Views

What is my misunderstanding in this question?

Published on 08 Sep 2019 - 3:54

score 158 · Answer 14 · 2026-04-02 02:00:48

158

Views

Calculating Tor for an R[t]-module

Published on 02 Apr 2026 - 2:00

score 205 · Answer 15 · 2026-03-25 14:24:34

205

Views

A possible mistake in Blyth's Module Theory: An Approach to Linear Algebra: a universal property of an exterior algebra

Published on 25 Mar 2026 - 14:24

List Question

the action of $\mathbb{Q}$ on the abelian group should be extended uniquely from $\mathbb Z$

Finding a submodule of an $\frak{sl(2;\mathbb{C})}$ Module.

Why $\mathbb{Q}$-vector space has no $\mathbb{Q}$-torsion?

Is it true that $\oplus_G H \cong \mathbb{Z}[G] \otimes_{\mathbb{Z}} H$ as $\mathbb{Z}[G]$ module?

prove that $ \phi _\mathfrak{m}: M_\mathfrak m \rightarrow N_ \mathfrak m $ is injective then $\phi : M \rightarrow N$ is injective.

Module which is not a top module

Every finitely generated module of a PID is a direct sum of a free module and of a torsion module

Understanding the image of a map between two Hom sets.

class of abelian groups

Problem about 4 prime numbers and square numbers

the characteristic of the irreducible R-module

An $R$-algebra $A$ is simple if and only if $A$ is a simple right $A^{\text{opp}}\otimes A$-module

What is my misunderstanding in this question?

Calculating Tor for an R[t]-module

A possible mistake in Blyth's Module Theory: An Approach to Linear Algebra: a universal property of an exterior algebra

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