List questions from injective-module

Published on 24 May 2017 - 19:28

206

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Does this Cartan-Eilenberg exercise contain a mistake?

Published on 27 May 2017 - 13:46

468

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Showing that the character module $P^*$ is injective whenever $P$ is projective

Published on 28 May 2017 - 21:46

19

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injective resolution of $kG$ where $G=C_2$, as a $kG^e$ module

Published on 26 Mar 2026 - 12:58

1.3k

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$R/Z$ is injective abelian group

Published on 03 Jun 2017 - 22:35

322

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Analogue of Baer's Criterion for Projective Modules

Published on 07 Jun 2017 - 18:51

707

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It's $\mathbb{Q}/\mathbb{Z}$ an $Z_n$-injective module?

Published on 10 Jun 2017 - 20:14

1.3k

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R noetherian implies that any direct limit of injective modules is injective

Published on 15 Jun 2017 - 2:16

273

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$I$ injective $A$-module, $\phi:A\to B\implies \text{Hom}_A(B,I)$ injective $B$-module

Published on 16 Jun 2017 - 20:20

845

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$\mathbb{Q}/ \mathbb{Z}$ is an injective cogenerator of $\mathbb{Z}-Mod$

Published on 26 Jun 2017 - 9:55

202

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Injective change of ring theorems

Published on 29 Jun 2017 - 2:06

322

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Using Baer's criterion for abelian groups.

Published on 08 Jul 2017 - 0:19

91

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A module which is an extension of a regular and a preinjective module is regular?

Published on 10 Jul 2017 - 12:01

371

Views

Multivariable polynomial ring injective module?

Published on 11 Jul 2017 - 10:19

41

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How to get $fR \otimes_R-$ sends injective modules to injective modules?

Published on 26 Jul 2017 - 1:52

List Question

Does algebraic base field extension preserve injective modules over noetherian rings?

Does this Cartan-Eilenberg exercise contain a mistake?

Showing that the character module $P^*$ is injective whenever $P$ is projective

injective resolution of $kG$ where $G=C_2$, as a $kG^e$ module

$R/Z$ is injective abelian group

Analogue of Baer's Criterion for Projective Modules

It's $\mathbb{Q}/\mathbb{Z}$ an $Z_n$-injective module?

R noetherian implies that any direct limit of injective modules is injective

$I$ injective $A$-module, $\phi:A\to B\implies \text{Hom}_A(B,I)$ injective $B$-module

$\mathbb{Q}/ \mathbb{Z}$ is an injective cogenerator of $\mathbb{Z}-Mod$

Injective change of ring theorems

Using Baer's criterion for abelian groups.

A module which is an extension of a regular and a preinjective module is regular?

Multivariable polynomial ring injective module?

How to get $fR \otimes_R-$ sends injective modules to injective modules?

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