List questions from group-extensions

Published on 14 Apr 2026 - 14:57

83

Views

"Higher-order" group extensions

Published on 10 May 2026 - 15:07

948

Views

Central extension and direct product

Published on 14 Apr 2026 - 2:35

148

Views

Examples of group extension $G/N=Q$ with continuous $G$ and $Q$, but finite $N$

Published on 17 Apr 2026 - 10:24

122

Views

When is $ N(T) $ a semidirect product? Direct product?

Published on 17 Apr 2026 - 12:42

98

Views

Central extension of perfect group has perfect commutator subgroup

Published on 25 Mar 2026 - 17:34

181

Views

Does every extension of a finite group by $\mathbb{R}^n$ split?

Published on 25 Mar 2026 - 17:32

76

Views

Split extension definition

Published on 25 Mar 2026 - 17:28

40

Views

Internal symmetries in abelian or non abelian groups

Published on 20 Apr 2026 - 23:16

54

Views

cochains valued in a central extension in terms of the cochains valued in the subgroup and the quotient.

Published on 10 May 2026 - 15:03

110

Views

Explicit expression for Bockstein homomorphism in singular cohomology

Published on 25 Mar 2026 - 17:32

101

Views

Does the thick subcategory generated by a torsion-free module contain a free module?

Published on 24 Apr 2026 - 10:06

77

Views

Nontrivial extension of cyclic group by simple group

Published on 25 Mar 2026 - 17:34

116

Views

Natural group extension constructed from Schur cover and its outer automorphism group

Published on 25 Mar 2026 - 17:34

82

Views

How to construct the action on chains of the Bockstein homomorphism for homology

Published on 05 May 2026 - 3:02

List Question

Group with unique Involution is determined by a certain Quotient

"Higher-order" group extensions

Central extension and direct product

Examples of group extension $G/N=Q$ with continuous $G$ and $Q$, but finite $N$

When is $ N(T) $ a semidirect product? Direct product?

Central extension of perfect group has perfect commutator subgroup

Does every extension of a finite group by $\mathbb{R}^n$ split?

Split extension definition

Internal symmetries in abelian or non abelian groups

cochains valued in a central extension in terms of the cochains valued in the subgroup and the quotient.

Explicit expression for Bockstein homomorphism in singular cohomology

Does the thick subcategory generated by a torsion-free module contain a free module?

Nontrivial extension of cyclic group by simple group

Natural group extension constructed from Schur cover and its outer automorphism group

How to construct the action on chains of the Bockstein homomorphism for homology

Trending Questions

Popular # Hahtags

Popular Questions