"Smith algebras"@en . "P-adic reductive group"@en . . "Radial components"@en . "Hubert Rubenthaler" . "Multiplicity free spaces"@en . "Prehomogeneous vector spaces"@en . "Invariant differential operators"@en . "Hubert" . . "Rubenthaler" . . "e38f09bed476815d8554783376c9ff44" . "Lie algebra"@en .