Keywords: Geometric folding Coxeter graphs.png folding of finite en Coxeter-Dynkin diagrams own Collected from the http //citeseerx ist psu edu/viewdoc/download doi 10 1 1 54 3122 rep rep1 type pdf Generalized Dynkin diagrams and root systems and their folding by Jean-Bernard Zuber p 30 Tomruen 11/19/10 Coxeter-Dynkin diagrams |