On immanant functions related to Weyl groups of $A_n$

Abstract

In this work we recall the definition of matrix immanants, a generalization of the determinant and permanent of a matrix. We use them to generalize families of symmetric and antisymmetric orbit functions related to Weyl groups of the simple Lie algebras $A_n$. The new functions and their properties are described, in particular we give their continuous orthogonality relations. Several examples are shown.

11 pages, 4 Figures

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