Question

An exercise from Weibel's Introduction to Homological Algebra

score 857 · Answer 1 · 2016-08-10 11:17:41

857

Views

An exercise from Weibel's Introduction to Homological Algebra

Published on 10 Aug 2016 - 11:17

score 48 · Answer 2 · 2016-09-07 07:21:59

48

Views

Module Problem (about M-injective modules)

Published on 07 Sep 2016 - 7:21

score 129 · Answer 3 · 2016-09-09 03:43:19

129

Views

How can I compute injective hulls of geometric quotients of noetherian rings by prime ideals?

Published on 09 Sep 2016 - 3:43

score 1.7k · Answer 4 · 2016-10-12 08:58:02

1.7k

Views

Direct product of injective modules is injective: stucked in proof

Published on 12 Oct 2016 - 8:58

score 87 · Answer 5 · 2016-10-24 08:50:01

87

Views

How to prove $Hom_A(P_0,X),Hom_A(P_1,X)$ are injective right $R$-modules?

Published on 24 Oct 2016 - 8:50

score 269 · Answer 6 · 2016-11-03 14:43:45

269

Views

Submodule of an injective $R$-module annihilated by an ideal $I$ of $R$ is an injective $R/I$-module.

Published on 03 Nov 2016 - 14:43

score 609 · Answer 7 · 2026-02-23 02:42:18

609

Views

If an abelian group $A$ is injective as $\mathbb{Z}$ module then $A$ is a divisible group

Published on 23 Feb 2026 - 2:42

score 383 · Answer 8 · 2016-11-16 08:08:10

383

Views

Projective injective modules over algebras.

Published on 16 Nov 2016 - 8:08

score 211 · Answer 9 · 2016-11-20 22:44:32

211

Views

A module J that is a direct summand of every module containing J

Published on 20 Nov 2016 - 22:44

score 806 · Answer 10 · 2026-03-26 09:46:56

806

Views

$M$ is a flat $R$-module if and only if its character module, i.e. $\hom_{\mathbb{Z}}(M,\mathbb{Q/Z})$, is injective.

Published on 26 Mar 2026 - 9:46

score 1.3k · Answer 11 · 2026-03-26 07:55:23

1.3k

Views

Injective module but not flat module?

Published on 26 Mar 2026 - 7:55

score 1.4k · Answer 12 · 2016-12-29 09:44:25

1.4k

Views

A torsion-free divisible module over a commutative integral domain is injective

Published on 29 Dec 2016 - 9:44

score 3.6k · Answer 13 · 2017-01-14 11:43:34

3.6k

Views

How to prove that $\mathbb{Q}$ is an injective $\mathbb{Z}$-module via this definition?

Published on 14 Jan 2017 - 11:43

score 106 · Answer 14 · 2017-01-22 18:47:58

106

Views

Support of a module of homomorphisms

Published on 22 Jan 2017 - 18:47

score 76 · Answer 15 · 2017-01-29 11:39:37

76

Views

Is $A=4\mathbb{Z}/12\mathbb{Z}$ an injective $R=\mathbb{Z}/12\mathbb{Z}$-module?

Published on 29 Jan 2017 - 11:39

List Question

An exercise from Weibel's Introduction to Homological Algebra

Module Problem (about M-injective modules)

How can I compute injective hulls of geometric quotients of noetherian rings by prime ideals?

Direct product of injective modules is injective: stucked in proof

How to prove $Hom_A(P_0,X),Hom_A(P_1,X)$ are injective right $R$-modules?

Submodule of an injective $R$-module annihilated by an ideal $I$ of $R$ is an injective $R/I$-module.

If an abelian group $A$ is injective as $\mathbb{Z}$ module then $A$ is a divisible group

Projective injective modules over algebras.

A module J that is a direct summand of every module containing J

$M$ is a flat $R$-module if and only if its character module, i.e. $\hom_{\mathbb{Z}}(M,\mathbb{Q/Z})$, is injective.

Injective module but not flat module?

A torsion-free divisible module over a commutative integral domain is injective

How to prove that $\mathbb{Q}$ is an injective $\mathbb{Z}$-module via this definition?

Support of a module of homomorphisms

Is $A=4\mathbb{Z}/12\mathbb{Z}$ an injective $R=\mathbb{Z}/12\mathbb{Z}$-module?

Trending Questions

Popular # Hahtags

Popular Questions