Christophe Hohlweg

collaborators

2 papers

math.CO2005

Generalized descent algebras

Cedric Bonnafe, Christophe Hohlweg

If $A$ is a subset of the set of reflections of a finite Coxeter group $W$ , we define a sub- $Z$ -module $D_{A} (W)$ of the group algebra $Z W$ . We pro…

math.RT2003

Properties of the Solomon homomorphism

Christophe Hohlweg

Let W be a finite Coxeter group. In this paper, we show that the properties of the Solomon algebra homomorphism Phi (from the Solomom descent algebra to the algebra of class functi…