English

Hurwitz' theorem on composition algebras

Rings and Algebras 2010-11-30 v1

Abstract

The main aim of this article is to give an exposition of the diagrammatic proof due to Boos and Rost of the theorem of Hurwitz that the dimension of a composition algebra is one of 0,1,2,4,8.

Cite

@article{arxiv.1011.6197,
  title  = {Hurwitz' theorem on composition algebras},
  author = {Bruce W. Westbury},
  journal= {arXiv preprint arXiv:1011.6197},
  year   = {2010}
}
R2 v1 2026-06-21T16:50:15.446Z