Engineering↗
Noncommutative Rings, Algebras and Endomorphism Rings
Noncommutative ring theory keeps associative addition and multiplication but no longer assumes ab=ba. Matrix rings, endomorphisms, group algebras and division algebras show why …
Every page in the KEVOS library tagged group algebra. 2 pages.
Noncommutative ring theory keeps associative addition and multiplication but no longer assumes ab=ba. Matrix rings, endomorphisms, group algebras and division algebras show why …
The group ring, modules over it as representations, the augmentation map and its kernel, and the relation between the augmentation ideal and the abelianisation.