On duality and negative dimensions in the theory of Lie groups and symmetric spaces

Abstract

We give one more interpretation of the symbolic formulae $U(-N)=U(N)$ and $Sp(-2N)=SO(2N)$ by comparing the values of certain Casimir operators in the corresponding tensor representations. We show also that such relations can be extended to the classical symmetric spaces using Macdonald duality for Jack and Jacobi symmetric functions.

11 pages

References in corpus (1)

• Factorization of symmetric polynomials

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