Characters, Eigenfunctions, Spherical Kernel and W-Invariance
- characters on A, that is continuous homomorphism A → C*;
- characters on a, so functional a → R or ac → C;
- algebra characters, namely C-characters of the algebra of invariant differential operators, that is algebra homomorphisms into C.
KeywordsWeyl Group Haar Measure Spherical Function Regular Element Algebra Homomorphism
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