Extending results of Rais-Tauvel, Macedo-Savage, and Arakawa-Premet, we prove that under mild restrictions on the Lie algebra q having the polynomial ring of symmetric invariants, the m-th Takiff algebra of qq ⟨m⟩, also has a polynomial ring of symmetric invariants.
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Univ Penn, Dept Math, David Rittenhouse Lab, 209 S 33rd St, Philadelphia, PA 19104 USAUniv Penn, Dept Math, David Rittenhouse Lab, 209 S 33rd St, Philadelphia, PA 19104 USA