Question

Injective morphism of modules induces a surjective morphism on homomorphisms to the fraction field

score 33 · Answer 1 · 2026-04-11 00:15:57

33

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Injective morphism of modules induces a surjective morphism on homomorphisms to the fraction field

Published on 11 Apr 2026 - 0:15

score 43 · Answer 2 · 2026-04-15 22:29:52

43

Views

Terminology: Formula for group characters and idempotent

Published on 15 Apr 2026 - 22:29

score 116 · Answer 3 · 2026-04-14 08:41:35

116

Views

Drozd's trichotomy theorem for finite-dimensional algebras over any field

Published on 14 Apr 2026 - 8:41

score 84 · Answer 4 · 2026-04-10 21:49:53

84

Views

Issue on balancing $\rm Tor$

Published on 10 Apr 2026 - 21:49

score 83 · Answer 5 · 2026-04-15 08:44:54

83

Views

Definition of convergence of a spectral sequence (in Weibel)

Published on 15 Apr 2026 - 8:44

score 26 · Answer 6 · 2026-04-08 20:25:59

26

Views

Z-module matrix calculation

Published on 08 Apr 2026 - 20:25

score 131 · Answer 7 · 2026-04-13 14:32:06

131

Views

If $\chi$ is a complex-valued character of a representation of a finite group, is it always true that $\overline{\chi(g)}=\chi(g^{-1})$?

Published on 13 Apr 2026 - 14:32

score 43 · Answer 8 · 2026-04-23 01:35:07

43

Views

What are the most suitable definitions of tame representation type when the field is arbitrary?

Published on 23 Apr 2026 - 1:35

score 30 · Answer 9 · 2026-04-17 07:39:59

30

Views

$D$ domain, $M,N$ $D$-modules, $M$ divisible then $\hom_{D}(M,N)$ is a $D$-module has no torsion.

Published on 17 Apr 2026 - 7:39

score 40 · Answer 10 · 2026-04-12 03:31:58

40

Views

Finitely-Generated modules over a commutative ring with $1$.

Published on 12 Apr 2026 - 3:31

score 38 · Answer 11 · 2026-03-25 11:06:30

38

Views

Quotient of an exterior algebra over $\mathbb{F}_2$

Published on 25 Mar 2026 - 11:06

score 21 · Answer 12 · 2026-04-09 05:07:28

21

Views

Intuition behind submodules of fintely generated modules

Published on 09 Apr 2026 - 5:07

score 146 · Answer 13 · 2026-04-10 19:26:12

146

Views

Tensor product $A \otimes_{F} B$ of finitely generated algebras $A, B$ with no zero divisors over a field has no nilpotents

Published on 10 Apr 2026 - 19:26

score 71 · Answer 14 · 2026-04-17 11:39:52

71

Views

A Proposition from Bourbaki's Algebra I.

Published on 17 Apr 2026 - 11:39

score 55 · Answer 15 · 2026-04-14 12:30:26

55

Views

Group algebra of a subgroup

Published on 14 Apr 2026 - 12:30

List Question

Injective morphism of modules induces a surjective morphism on homomorphisms to the fraction field

Terminology: Formula for group characters and idempotent

Drozd's trichotomy theorem for finite-dimensional algebras over any field

Issue on balancing $\rm Tor$

Definition of convergence of a spectral sequence (in Weibel)

Z-module matrix calculation

If $\chi$ is a complex-valued character of a representation of a finite group, is it always true that $\overline{\chi(g)}=\chi(g^{-1})$?

What are the most suitable definitions of tame representation type when the field is arbitrary?

$D$ domain, $M,N$ $D$-modules, $M$ divisible then $\hom_{D}(M,N)$ is a $D$-module has no torsion.

Finitely-Generated modules over a commutative ring with $1$.

Quotient of an exterior algebra over $\mathbb{F}_2$

Intuition behind submodules of fintely generated modules

Tensor product $A \otimes_{F} B$ of finitely generated algebras $A, B$ with no zero divisors over a field has no nilpotents

A Proposition from Bourbaki's Algebra I.

Group algebra of a subgroup

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