Weyl Orbit Characters and Schur Functions

Details Weyl Orbit Characters and Schur Functions Weyl Orbit Characters and Schur Functions

2001-07-25

arxiv.org/abs/math-ph/0107025v1

Physics

Mathematical Physics

12 pages, no figure, Plain TeX

Scientific paper

For finite Lie algebras, it is shown that characters can be defined first for Weyl orbits and then for irreducible representations. For $A_N$ Lie algebras, weight multiplicities can then be calculated by only stating that characters are equivalent to Schur functions. This also means that to calculate characters there is no need to sum over Weyl groups. The compatibility with the Weyl character formula will however be shown.

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