Diamond module for the Lie algebra $\mathfrak{so}(2n+1,\mathbb{C})$

Boujemaa Agrebaoui, Didier Arnal, Abdelkader Ben Hassine

The diamond cone is a combinatorial description for a basis of an indecomposable module for the nilpotent factor $\mathfrak{n}$ of a semi simple Lie algebra. After N. J. Wildberger…