Krohn--Rhodes complexity of Brauer type semigroups

Abstract

The Krohn--Rhodes complexity of the Brauer semigroup ${\mathfrak{B}}_n$ and of the annular semigroup ${\mathfrak{A}}_n$ is computed.

arXiv commentSeveral inaccuracies have been eliminated, thanks to the careful reading of an anonymous referee. This version is accepted by Portugaliae Math