Primitive orthogonal idempotents for R-trivial monoids
arXiv:1009.4943 · doi:10.1016/j.jalgebra.2011.10.006
Abstract
We construct a recursive formula for a complete system of primitive orthogonal idempotents for any $R$-trivial monoid. This uses the newly proved equivalence between the notions of $R$-trivial monoid and weakly ordered monoid.
Journal of Algebra, 2011