$G$-circulant Matrices and the Classical Maschke Theorem
Representation Theory
2023-04-21 v2 Rings and Algebras
Abstract
In this note, we use the isomorphism of the ring of -circulant matrices over a field with the group ring to derive a very short proof of the Classical Maschke Theorem.
Keywords
Cite
@article{arxiv.2301.05053,
title = {$G$-circulant Matrices and the Classical Maschke Theorem},
author = {Jon Merzel},
journal= {arXiv preprint arXiv:2301.05053},
year = {2023}
}