List questions from injective-module

Published on 10 Apr 2026 - 21:43

97

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Injectivity of simple modules

Published on 14 Apr 2026 - 10:48

188

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Another description of injective hull

Published on 12 Apr 2026 - 10:01

695

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Minimal injective resolution of a module

Published on 13 Apr 2026 - 16:24

308

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Von Neumann regular but not self-injective ring

Published on 15 Apr 2026 - 9:51

451

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Injective hull of $\mathbb{ Z}_n$

Published on 09 Apr 2026 - 10:24

88

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Extension of an $R$-homomorphism as a sum

Published on 13 Apr 2026 - 22:15

1k

Views

Proof of the theorem: Any $R$-module is contained in an $R$-injective module

Published on 16 Apr 2026 - 15:53

424

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Self-injective ring but not semisimple?

Published on 17 Apr 2026 - 14:44

284

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Any artinian chain ring is self-injective.

Published on 14 Apr 2026 - 15:14

104

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A question on endomorphisms of an injective module

Published on 14 Apr 2026 - 12:55

734

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The rationals as a direct summand of the reals

Published on 11 Apr 2026 - 18:38

108

Views

If $\Gamma$ is $\Lambda$-projective and $C$ is $\Gamma$-injective, then $C$ is $\Lambda$-injective.

Published on 12 Apr 2026 - 4:32

2.2k

Views

Direct summand of an injective module is injective

Published on 13 Apr 2026 - 19:47

412

Views

A simple module is necessarily the socle of its injective hull?

Published on 11 Apr 2026 - 21:28

List Question

An injective-injective module problem

Injectivity of simple modules

Another description of injective hull

Minimal injective resolution of a module

Von Neumann regular but not self-injective ring

Injective hull of $\mathbb{ Z}_n$

Extension of an $R$-homomorphism as a sum

Proof of the theorem: Any $R$-module is contained in an $R$-injective module

Self-injective ring but not semisimple?

Any artinian chain ring is self-injective.

A question on endomorphisms of an injective module

The rationals as a direct summand of the reals

If $\Gamma$ is $\Lambda$-projective and $C$ is $\Gamma$-injective, then $C$ is $\Lambda$-injective.

Direct summand of an injective module is injective

A simple module is necessarily the socle of its injective hull?

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