Question

Homomorphisms from copies of group algebra to $Z$

score 31 · Answer 1 · 2026-03-25 02:53:24

31

Views

Homomorphisms from copies of group algebra to $Z$

Published on 25 Mar 2026 - 2:53

score 240 · Answer 2 · 2018-03-09 20:51:35

240

Views

Indecomposable modules over nilpotent Lie algebras

Published on 09 Mar 2018 - 20:51

score 1.3k · Answer 3 · 2026-03-25 13:11:24

1.3k

Views

Relative discriminant of extension of number field

Published on 25 Mar 2026 - 13:11

score 1.1k · Answer 4 · 2026-03-25 16:40:15

1.1k

Views

Let $M$ be an $R$-module. Then $M$ is cyclic $R$-module iff there is a left ideal $A$ in $R$ st. $M$ isomorphic to $R/A$

Published on 25 Mar 2026 - 16:40

score 197 · Answer 5 · 2026-03-25 00:02:19

197

Views

Question about basis of free modules.

Published on 25 Mar 2026 - 0:02

score 266 · Answer 6 · 2026-03-25 01:20:36

266

Views

Converse of Uniqueness of Universal Property of Tensor Products?

Published on 25 Mar 2026 - 1:20

score 128 · Answer 7 · 2026-03-23 07:31:06

128

Views

Statement of Lech's lemma

Published on 23 Mar 2026 - 7:31

score 528 · Answer 8 · 2026-03-25 04:44:21

528

Views

Prove that set $A$ a finite abelian group and $B$ multiplicative group of all homomorphisms from $A$ to units of $C$ are isomorphic

Published on 25 Mar 2026 - 4:44

score 231 · Answer 9 · 2018-03-13 15:14:11

231

Views

Quotient of fractional ideals (works as quotient of rational numbers)

Published on 13 Mar 2018 - 15:14

score 41 · Answer 10 · 2018-03-14 04:11:11

41

Views

Finding set of values for given inequality.

Published on 14 Mar 2018 - 4:11

score 192 · Answer 11 · 2018-03-14 15:53:16

192

Views

Understanding the decomposition of a module in a sum simple modules

Published on 14 Mar 2018 - 15:53

score 368 · Answer 12 · 2018-03-14 21:27:50

368

Views

What property of modules ensures that module lattice is uniquely complemented?

Published on 14 Mar 2018 - 21:27

score 685 · Answer 13 · 2026-03-25 03:02:51

685

Views

Localization commutes with finite products (Vakil, ex. 1.3.F)

Published on 25 Mar 2026 - 3:02

score 27 · Answer 14 · 2026-03-25 16:40:12

27

Views

Show that $End_R(R_R/N)\simeq S/N$. Where $N$ is an right ideal of $R$ and $S:=\{a\in R: aN\subset N\}$.

Published on 25 Mar 2026 - 16:40

score 306 · Answer 15 · 2026-03-23 12:06:07

306

Views

What are the $T$-invariant subspaces for the following shift operator $T$.

Published on 23 Mar 2026 - 12:06

List Question

Homomorphisms from copies of group algebra to $Z$

Indecomposable modules over nilpotent Lie algebras

Relative discriminant of extension of number field

Let $M$ be an $R$-module. Then $M$ is cyclic $R$-module iff there is a left ideal $A$ in $R$ st. $M$ isomorphic to $R/A$

Question about basis of free modules.

Converse of Uniqueness of Universal Property of Tensor Products?

Statement of Lech's lemma

Prove that set $A$ a finite abelian group and $B$ multiplicative group of all homomorphisms from $A$ to units of $C$ are isomorphic

Quotient of fractional ideals (works as quotient of rational numbers)

Finding set of values for given inequality.

Understanding the decomposition of a module in a sum simple modules

What property of modules ensures that module lattice is uniquely complemented?

Localization commutes with finite products (Vakil, ex. 1.3.F)

Show that $End_R(R_R/N)\simeq S/N$. Where $N$ is an right ideal of $R$ and $S:=\{a\in R: aN\subset N\}$.

What are the $T$-invariant subspaces for the following shift operator $T$.

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