41 citations · 137 across the 35 of their papers we have counts for
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quant-ph2003
Special functions, raising and lowering operators
Nicolae Cotfas
The Schrodinger equations which are exactly solvable in terms of associated special functions are directly related to some self-adjoint operators defined in the theory of hypergeom…
quant-ph2003★ 20 cited
Orthogonal polynomials defined by hypergeometric type equations with application to quantum mechanics
Nicolae Cotfas
A hypergeometric type equation satisfying certain conditions defines either a finite or an infinite system of orthogonal polynomials. We present in a unified and explicit way all t…