The crossed coproduct theorem and Galois cohomology (Q677434): Difference between revisions
From MaRDI portal
Import recommendations run Q6767936 |
Changed label, description and/or aliases in en, and other parts |
||
| description / en | description / en | ||
scientific article | scientific article; zbMATH DE number 997607 | ||
Latest revision as of 13:43, 7 July 2025
scientific article; zbMATH DE number 997607
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | The crossed coproduct theorem and Galois cohomology |
scientific article; zbMATH DE number 997607 |
Statements
The crossed coproduct theorem and Galois cohomology (English)
0 references
25 August 1997
0 references
A cohomological interpretation of the Brauer group of a coalgebra is given using the notion of Galois coextensions and Galois cohomology. A crossed coproduct structure theorem is proved, as well as a dual version of the classical splitting theorem.
0 references
Brauer groups
0 references
coalgebras
0 references
Galois coextensions
0 references
Galois cohomology
0 references
crossed coproducts
0 references
splitting theorems
0 references
0.92745304
0 references
0.9144212
0 references
0.9140898
0 references
0.91260564
0 references
0.9089428
0 references
0.9086406
0 references
0.9062023
0 references
0 references
