Question

Descend of a linear map to a linear map with respect to the quotient by an annihilator of source and target modules

score 38 · Answer 1 · 2026-04-13 16:28:10

38

Views

Descend of a linear map to a linear map with respect to the quotient by an annihilator of source and target modules

Published on 13 Apr 2026 - 16:28

score 122 · Answer 2 · 2026-04-12 03:39:01

122

Views

Small submodules of direct sum of two modules

Published on 12 Apr 2026 - 3:39

score 63 · Answer 3 · 2026-04-14 13:57:14

63

Views

Generating set of a complex lattice contains a basis

Published on 14 Apr 2026 - 13:57

score 51 · Answer 4 · 2026-04-15 10:10:27

51

Views

Proof verification -- If a $(k[x]/\langle x^n \rangle)$-module $M$ has a finite free resolution, then $M$ is free.

Published on 15 Apr 2026 - 10:10

score 53 · Answer 5 · 2026-04-09 05:52:53

53

Views

Classification of two-dimensional complex lattices

Published on 09 Apr 2026 - 5:52

score 524 · Answer 6 · 2026-04-16 08:28:42

524

Views

If $R$ is a Noetherian ring, then $R^n$ is Noetherian

Published on 16 Apr 2026 - 8:28

score 34 · Answer 7 · 2026-04-14 14:21:58

34

Views

A quotient module of the field of formal Laurent series

Published on 14 Apr 2026 - 14:21

score 35 · Answer 8 · 2026-04-14 06:42:50

35

Views

Canonical morphism of inverse limits of inverse systems of modules

Published on 14 Apr 2026 - 6:42

score 86 · Answer 9 · 2026-04-15 14:08:10

86

Views

Is the following true of a short exact sequence of modules over a ring?

Published on 15 Apr 2026 - 14:08

score 45 · Answer 10 · 2026-03-26 10:57:21

45

Views

Filtration degree vs Grading degree

Published on 26 Mar 2026 - 10:57

score 98 · Answer 11 · 2026-04-13 01:58:31

98

Views

Tensor product over several modules

Published on 13 Apr 2026 - 1:58

score 48 · Answer 12 · 2026-04-09 09:32:46

48

Views

Help understanding link between module and representation.

Published on 09 Apr 2026 - 9:32

score 47 · Answer 13 · 2026-04-13 11:57:26

47

Views

Question about a proof that simple algebras are semi-simple

Published on 13 Apr 2026 - 11:57

score 201 · Answer 14 · 2026-04-09 12:20:49

201

Views

Prove that $\mathbb{Z}/ 3\mathbb{Z}$ is a projective $\mathbb{Z} / 6\mathbb{Z}$ module which is not free.

Published on 09 Apr 2026 - 12:20

score 51 · Answer 15 · 2026-03-25 14:04:32

51

Views

Indecomposability of a factor of two indecomposable modules

Published on 25 Mar 2026 - 14:04

List Question

Descend of a linear map to a linear map with respect to the quotient by an annihilator of source and target modules

Small submodules of direct sum of two modules

Generating set of a complex lattice contains a basis

Proof verification -- If a $(k[x]/\langle x^n \rangle)$-module $M$ has a finite free resolution, then $M$ is free.

Classification of two-dimensional complex lattices

If $R$ is a Noetherian ring, then $R^n$ is Noetherian

A quotient module of the field of formal Laurent series

Canonical morphism of inverse limits of inverse systems of modules

Is the following true of a short exact sequence of modules over a ring?

Filtration degree vs Grading degree

Tensor product over several modules

Help understanding link between module and representation.

Question about a proof that simple algebras are semi-simple

Prove that $\mathbb{Z}/ 3\mathbb{Z}$ is a projective $\mathbb{Z} / 6\mathbb{Z}$ module which is not free.

Indecomposability of a factor of two indecomposable modules

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