List questions from injective-module

Published on 26 Feb 2016 - 7:21

207

Views

Categories of left $R$-module in which every $R$-modules is injective

Published on 29 Feb 2016 - 2:30

147

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How to prove the following sequence is exact?

Published on 04 Mar 2016 - 3:27

98

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For every ring R, every left R-module M can be imbedded as a submodule of an injective left R-module

Published on 19 Apr 2016 - 16:41

955

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A left exact functor preserves quasi-isomorphisms between acyclic complexes

Published on 26 Mar 2026 - 17:34

214

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$R$ integral domain, $P$ projective and injective module $\implies P=0$ or $R$ is field of fractions

Published on 26 Jun 2016 - 10:12

1.9k

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Injective and Projective module

Published on 25 Apr 2013 - 9:41

2.5k

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Divisible module which is not injective

Published on 02 May 2013 - 13:23

123

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A question about almost split sequences

Published on 25 May 2013 - 12:30

477

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Characterization of injective objects in abelian categories

Published on 10 Jun 2013 - 17:49

150

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What is the injective hull of $k_R$ where $k$ is a field and $R$ is the free $k$-algebra?

Published on 18 Sep 2013 - 15:10

375

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Example direct sum of injective modules is not injective

Published on 03 Oct 2013 - 10:31

2.1k

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The relationship of free, divisible, projective, injective, and flat modules.

Published on 03 Oct 2013 - 16:57

3.3k

Views

Divisible abelian groups.

Published on 06 Oct 2013 - 9:15

3.7k

Views

A problem about an $R$-module that is both injective and projective.

Published on 29 Nov 2013 - 9:26

List Question

Is a divisible module over a local principal ideal domain a torsion module?

Categories of left $R$-module in which every $R$-modules is injective

How to prove the following sequence is exact?

For every ring R, every left R-module M can be imbedded as a submodule of an injective left R-module

A left exact functor preserves quasi-isomorphisms between acyclic complexes

$R$ integral domain, $P$ projective and injective module $\implies P=0$ or $R$ is field of fractions

Injective and Projective module

Divisible module which is not injective

A question about almost split sequences

Characterization of injective objects in abelian categories

What is the injective hull of $k_R$ where $k$ is a field and $R$ is the free $k$-algebra?

Example direct sum of injective modules is not injective

The relationship of free, divisible, projective, injective, and flat modules.

Divisible abelian groups.

A problem about an $R$-module that is both injective and projective.

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