224 citations · 812 across the 39 of their papers we have counts for
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math-ph2014★ 5 cited
(Quasi)-exact-solvability on the sphere
Willard Miller, Alexander V. Turbiner
An Exactly-Solvable (ES) potential on the sphere is reviewed and the related Quasi-Exactly-Solvable (QES) potential is found and studied. Mapping the sphere to a simplex it i…
math-ph2014★ 5 cited
Wilson polynomials/functions and intertwining operators for the generic quantum superintegrable system on the 2-sphere
Willard Miller, Qiushi Li
It has been known since 2007 that the Wilson and Racah polynomials can be characterized as basis functions for irreducible representations of the quadratic symmetry algebra of the…
math-ph2014★ 9 cited
Quadratic algebra contractions and 2nd order superintegrable systems
Ernest G. Kalnins, Willard Miller
Quadratic algebras are generalizations of Lie algebras; they include the symmetry algebras of 2nd order superintegrable systems in 2 dimensions as special cases. The superintegrabl…