Question

Homomorphisms from copies of group algebra to $Z$

score 37 · Answer 1 · 2026-05-10 11:43:38

37

Views

Homomorphisms from copies of group algebra to $Z$

Published on 10 May 2026 - 11:43

score 243 · Answer 2 · 2026-04-13 23:10:04

243

Views

Indecomposable modules over nilpotent Lie algebras

Published on 13 Apr 2026 - 23:10

score 1.3k · Answer 3 · 2026-05-10 12:34:46

1.3k

Views

Relative discriminant of extension of number field

Published on 10 May 2026 - 12:34

score 1.1k · Answer 4 · 2026-05-10 21:28:39

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 10 May 2026 - 21:28

score 201 · Answer 5 · 2026-05-10 12:53:05

201

Views

Question about basis of free modules.

Published on 10 May 2026 - 12:53

score 277 · Answer 6 · 2026-05-10 12:34:12

277

Views

Converse of Uniqueness of Universal Property of Tensor Products?

Published on 10 May 2026 - 12:34

score 137 · Answer 7 · 2026-04-29 12:43:01

137

Views

Statement of Lech's lemma

Published on 29 Apr 2026 - 12:43

score 531 · Answer 8 · 2026-05-10 23:41:55

531

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 10 May 2026 - 23:41

score 234 · Answer 9 · 2026-04-12 14:27:06

234

Views

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

Published on 12 Apr 2026 - 14:27

score 44 · Answer 10 · 2026-04-10 20:28:28

44

Views

Finding set of values for given inequality.

Published on 10 Apr 2026 - 20:28

score 195 · Answer 11 · 2026-04-10 10:30:30

195

Views

Understanding the decomposition of a module in a sum simple modules

Published on 10 Apr 2026 - 10:30

score 371 · Answer 12 · 2026-04-12 01:52:27

371

Views

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

Published on 12 Apr 2026 - 1:52

score 691 · Answer 13 · 2026-05-10 12:34:54

691

Views

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

Published on 10 May 2026 - 12:34

score 28 · Answer 14 · 2026-04-17 13:54:38

28

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 17 Apr 2026 - 13:54

score 312 · Answer 15 · 2026-05-05 16:01:13

312

Views

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

Published on 05 May 2026 - 16:01

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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