List questions from modules

Published on 27 Mar 2026 - 12:04

35

Views

Can $Rx$ be contained in $I$ for some nonzero $x\in S$, if $I:=\langle R\setminus S\rangle$?

Published on 27 Jul 2018 - 9:33

1k

Views

Quotient of injective module which is not injective

Published on 25 Mar 2026 - 14:03

152

Views

Injective hull of the trivial k[x]-module

Published on 27 Jul 2018 - 22:06

81

Views

Finding the injective hull

Published on 27 Jul 2018 - 22:20

70

Views

Koszul complex via alternating functions

Published on 27 Jul 2018 - 23:04

73

Views

On an auxiliary lemma for the structure theorem on Dedekind domains

Published on 25 Mar 2026 - 7:48

127

Views

Exact contravariant endofunctor preserving iso classes of simple objects sends objects of finite length to objects of finite length?

Published on 25 Mar 2026 - 1:40

131

Views

Making sense of defining tensor products $\bigotimes V$

Published on 27 Mar 2026 - 0:04

96

Views

If $R^n$ is generated by $\{e_1, \cdots e_m\}$ as an $R$-module, then $n\leq m$

Published on 25 Mar 2026 - 1:41

57

Views

On isomorphism of quotient groups of free abelian groups of finite rank

Published on 22 Mar 2026 - 21:22

169

Views

Why is the isomorphism of Artin-Wedderburn a ring isomorphism?

Published on 29 Jul 2018 - 19:02

623

Views

How does linear algebra over the octonions and other division algebras work?

Published on 24 Mar 2026 - 19:45

65

Views

Free module over a group transfers to a free module over a subgroup

Published on 25 Mar 2026 - 1:36

365

Views

What is a free module

Published on 26 Mar 2026 - 13:37

List Question

Decomposition of a not f.g. module over PID

Can $Rx$ be contained in $I$ for some nonzero $x\in S$, if $I:=\langle R\setminus S\rangle$?

Quotient of injective module which is not injective

Injective hull of the trivial k[x]-module

Finding the injective hull

Koszul complex via alternating functions

On an auxiliary lemma for the structure theorem on Dedekind domains

Exact contravariant endofunctor preserving iso classes of simple objects sends objects of finite length to objects of finite length?

Making sense of defining tensor products $\bigotimes V$

If $R^n$ is generated by $\{e_1, \cdots e_m\}$ as an $R$-module, then $n\leq m$

On isomorphism of quotient groups of free abelian groups of finite rank

Why is the isomorphism of Artin-Wedderburn a ring isomorphism?

How does linear algebra over the octonions and other division algebras work?

Free module over a group transfers to a free module over a subgroup

What is a free module

Trending Questions

Popular # Hahtags

Popular Questions