List questions from group-rings

234

Views

Could the discovery of a counterexample to the Unit Conjecture change mathematicians’ understanding of spinors in general?

Published on 26 Mar 2026 - 11:18

37

Views

No onto map between the algebras.

Published on 30 Apr 2021 - 7:50

77

Views

Express a function $g$ in the vector space $\mathbb{Z}/3$

Published on 07 May 2021 - 10:27

70

Views

Polynomials with exponents in numerical semigroup

Published on 20 May 2021 - 7:02

160

Views

Calculations in a group ring with computer algebra system

Published on 27 May 2021 - 10:19

123

Views

Why is an abelian group an algebra over $GF(2)$?

Published on 14 Oct 2021 - 17:44

146

Views

Isomorphism between $\overline{\mathbb{C}[G \times G]}$ and $\overline{\mathbb{C}[G]} \otimes_{min} \overline{\mathbb{C}[G]}$

Published on 03 Dec 2021 - 15:17

42

Views

Generators for $\mathbb{C}[G](1-g) \cap \mathbb{C}[G](1-h)$ given by relations in $\langle g,h \rangle$?

Published on 14 Jan 2022 - 20:39

95

Views

Doubt about invertibility in Group Algebra over a cyclic group

Published on 25 Feb 2022 - 13:54

35

Views

Homomorphisms between $\Bbb Z[S_3] \to \Bbb Z[\Bbb Z \backslash 2 \Bbb Z]$

Published on 01 Mar 2022 - 20:02

42

Views

Group Ring/Algebra and Functions of Positive Type

Published on 15 Apr 2022 - 12:56

88

Views

Lie algebra structure on $\mathbb{C}[G]$

Published on 25 Mar 2026 - 9:22

270

Views

Is (3) a prime ideal of $\mathbb{Z}$ $(\sqrt{-17})$

Published on 25 Apr 2022 - 1:10

57

Views

$\mathbb{Z}$ as $\mathbb{Z}G$ - module.

Published on 02 May 2022 - 15:28

136

Views

Representation of $\mathfrak{S}_p$ over $\mathbb{F}_p$

Published on 05 May 2022 - 6:44

List Question

Could the discovery of a counterexample to the Unit Conjecture change mathematicians’ understanding of spinors in general?

No onto map between the algebras.

Express a function $g$ in the vector space $\mathbb{Z}/3$

Polynomials with exponents in numerical semigroup

Calculations in a group ring with computer algebra system

Why is an abelian group an algebra over $GF(2)$?

Isomorphism between $\overline{\mathbb{C}[G \times G]}$ and $\overline{\mathbb{C}[G]} \otimes_{min} \overline{\mathbb{C}[G]}$

Generators for $\mathbb{C}[G](1-g) \cap \mathbb{C}[G](1-h)$ given by relations in $\langle g,h \rangle$?

Doubt about invertibility in Group Algebra over a cyclic group

Homomorphisms between $\Bbb Z[S_3] \to \Bbb Z[\Bbb Z \backslash 2 \Bbb Z]$

Group Ring/Algebra and Functions of Positive Type

Lie algebra structure on $\mathbb{C}[G]$

Is (3) a prime ideal of $\mathbb{Z}$ $(\sqrt{-17})$

$\mathbb{Z}$ as $\mathbb{Z}G$ - module.

Representation of $\mathfrak{S}_p$ over $\mathbb{F}_p$

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