List questions from modules

Published on 13 May 2014 - 20:29

865

Views

A submodule of a free module over a PID

Published on 27 Mar 2026 - 23:57

356

Views

When is $N\otimes_A B \to N$ an isomorphism?

Published on 14 May 2014 - 10:15

95

Views

The meaning of functor $M \mapsto \mbox{Hom}_A(P,M)$ being exact

Published on 27 Mar 2026 - 13:42

379

Views

Change of basis - free submodule

Published on 14 May 2014 - 18:32

41

Views

$M/im(f)$ is Torsion

Published on 14 May 2014 - 18:44

795

Views

Flatness of $\mathbb{Z}$-modules

Published on 02 Apr 2026 - 14:34

279

Views

For every ses $A \to B \to C$ and module $M$, there exists a ses $A \oplus M \to B \oplus M \to C$

Published on 26 Mar 2026 - 8:00

83

Views

An element annihilates a module

Published on 15 May 2014 - 18:08

248

Views

Can one prove the existence of tensor product without explicitly constructing it?

Published on 16 May 2014 - 14:49

508

Views

Quotient modules isomorphic $ \Rightarrow$ submodules isomorphic

Published on 16 May 2014 - 16:25

904

Views

Maximal Ideals of Matrix Ring

Published on 16 May 2014 - 18:06

116

Views

Algebra extension of modules question

Published on 26 Mar 2026 - 9:37

42

Views

What does this notation mean? Perhaps related to abelian group and module.

Published on 17 May 2014 - 14:34

76

Views

What does this notation mean, which looks like direct sum?

Published on 17 May 2014 - 15:24

List Question

Projective and simple modules over finite dimensional algebras

A submodule of a free module over a PID

When is $N\otimes_A B \to N$ an isomorphism?

The meaning of functor $M \mapsto \mbox{Hom}_A(P,M)$ being exact

Change of basis - free submodule

$M/im(f)$ is Torsion

Flatness of $\mathbb{Z}$-modules

For every ses $A \to B \to C$ and module $M$, there exists a ses $A \oplus M \to B \oplus M \to C$

An element annihilates a module

Can one prove the existence of tensor product without explicitly constructing it?

Quotient modules isomorphic $ \Rightarrow$ submodules isomorphic

Maximal Ideals of Matrix Ring

Algebra extension of modules question

What does this notation mean? Perhaps related to abelian group and module.

What does this notation mean, which looks like direct sum?

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