List questions from group-rings

Published on 08 Jan 2016 - 10:06

68

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twisted group ring: uniqueness of representation

Published on 10 Jan 2016 - 18:38

209

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Calculating the basic algebra over a finite field in GAP

Published on 11 Jan 2016 - 12:10

138

Views

Coding theory in group rings

Published on 19 Jan 2016 - 19:59

71

Views

Normalizer probtlem for finite nilpotent groups

Published on 01 Feb 2016 - 12:41

141

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If $G \cong \mathbb Z/3\mathbb Z$, then $\mathbb R[G] \cong \mathbb R \times \mathbb C$

Published on 02 Feb 2016 - 17:55

133

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Two ways to decompose $\mathbb Q[G]$ for $G = \{1,g,g^2\}$ and their interrelation.

Published on 03 Feb 2016 - 19:09

85

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Show that the left ideal $(N_G) \subset F[G]$ is a simple submodule of $F[G]$, where $N_G = {\sum}_{g \in G} {g} \in F[G]$.

Published on 05 Feb 2016 - 14:00

678

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Structure of induced module for subgroup $H \le G$, confused by mixing up notions of $FH$-submodule and $F$-subspace

Published on 06 Feb 2016 - 19:43

154

Views

Prove that $u$ is a trivial unit

Published on 09 Feb 2016 - 19:34

128

Views

Tensoring Groupring with field of fractions

Published on 14 Feb 2016 - 10:41

46

Views

Properties of Linear Transforms

Published on 16 Feb 2016 - 22:24

75

Views

Constructing Factor Ring $\mathbb C / I$ where $I=_{\mathbb C[X]}\langle X^2+1 \rangle$

Published on 24 Feb 2016 - 18:49

72

Views

Is $\mathbb{Z}[\mathbb{Z}/(p)]$ a PID?

Published on 10 Mar 2016 - 17:04

136

Views

Is $\mathbb{Z}_p[\mathbb{Z}_p]$ a PID?

Published on 11 Mar 2016 - 15:02

List Question

How is an abelian $G$-operator group with $m1 = m$ a $\mathbb Z[G]$-module

twisted group ring: uniqueness of representation

Calculating the basic algebra over a finite field in GAP

Coding theory in group rings

Normalizer probtlem for finite nilpotent groups

If $G \cong \mathbb Z/3\mathbb Z$, then $\mathbb R[G] \cong \mathbb R \times \mathbb C$

Two ways to decompose $\mathbb Q[G]$ for $G = \{1,g,g^2\}$ and their interrelation.

Show that the left ideal $(N_G) \subset F[G]$ is a simple submodule of $F[G]$, where $N_G = {\sum}_{g \in G} {g} \in F[G]$.

Structure of induced module for subgroup $H \le G$, confused by mixing up notions of $FH$-submodule and $F$-subspace

Prove that $u$ is a trivial unit

Tensoring Groupring with field of fractions

Properties of Linear Transforms

Constructing Factor Ring $\mathbb C / I$ where $I=_{\mathbb C[X]}\langle X^2+1 \rangle$

Is $\mathbb{Z}[\mathbb{Z}/(p)]$ a PID?

Is $\mathbb{Z}_p[\mathbb{Z}_p]$ a PID?

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