A Constructive Elementary Proof of the Skolem-Noether Theorem for Matrix Algebras
Rings and Algebras
2018-10-22 v1
Abstract
We give a constructive elementary proof for the fact that any K-automorphism of the full nxn matrix algebra over a field K is conjugation by some invertible nxn matrix A over K.
Cite
@article{arxiv.1810.08368,
title = {A Constructive Elementary Proof of the Skolem-Noether Theorem for Matrix Algebras},
author = {Jeno Szigeti and Leon van Wyk},
journal= {arXiv preprint arXiv:1810.08368},
year = {2018}
}