List questions from graded-rings

Published on 26 Jun 2023 - 15:48

56

Views

Graded version of Baer's criterion for injectivity

Published on 26 Jun 2023 - 21:07

288

Views

Prove that an epimorphism in $\text{Mod}_R$ is surjective

Published on 25 Mar 2026 - 17:37

40

Views

'zero elements in different degrees are considered distinct' in graded rings/modules.. how does this work?

Published on 04 Jul 2023 - 15:26

42

Views

Direct limits $A_0\to A_1\to... A$ with split monomorphisms.. should the maps $A_i\to A$ be split monos also?

Published on 12 Jul 2023 - 13:51

92

Views

Kernel of morphism of graded modules is graded submodule

Published on 25 Mar 2026 - 17:45

46

Views

Treating graded rings and modules as sequences of abelian groups connected by maps

Published on 25 Mar 2026 - 20:42

53

Views

Characterisation of graded homorphisms from a graded module to $\mathbb{R}[t]$

Published on 25 Mar 2026 - 22:03

63

Views

Curious Difficulty with the Exterior Algebra (relationship between 2 and 3 forms)

Published on 11 Aug 2023 - 7:37

73

Views

Finiteness of the homology of the Koszul complex

Published on 20 Mar 2026 - 8:49

45

Views

How to understand Free Module $K[x]^r=\bigoplus_{i=r}^rK[x]e_i$

Published on 03 Sep 2023 - 0:00

58

Views

Non-toric ring which is Cohen-Macaulay

Published on 25 Mar 2026 - 14:30

81

Views

units in a $\mathbb{Z}$ graded ring

Published on 20 Sep 2023 - 1:19

70

Views

Projective-injective modules over $k[x]$

Published on 29 Sep 2023 - 13:19

46

Views

Is $k[x, x^{-1}]$ a (graded) injective $k[x]$-module

Published on 25 Mar 2026 - 20:35

List Question

'Shift' of a graded ideal

Graded version of Baer's criterion for injectivity

Prove that an epimorphism in $\text{Mod}_R$ is surjective

'zero elements in different degrees are considered distinct' in graded rings/modules.. how does this work?

Direct limits $A_0\to A_1\to... A$ with split monomorphisms.. should the maps $A_i\to A$ be split monos also?

Kernel of morphism of graded modules is graded submodule

Treating graded rings and modules as sequences of abelian groups connected by maps

Characterisation of graded homorphisms from a graded module to $\mathbb{R}[t]$

Curious Difficulty with the Exterior Algebra (relationship between 2 and 3 forms)

Finiteness of the homology of the Koszul complex

How to understand Free Module $K[x]^r=\bigoplus_{i=r}^rK[x]e_i$

Non-toric ring which is Cohen-Macaulay

units in a $\mathbb{Z}$ graded ring

Projective-injective modules over $k[x]$

Is $k[x, x^{-1}]$ a (graded) injective $k[x]$-module

Trending Questions

Popular # Hahtags

Popular Questions