Volume 9, pp. 102-111, 1999.

Creation and annihilation operators for orthogonal polynomials of continuous and discrete variables

Miguel Lorente


We develop general expressions for the raising and lowering operators that belong to the orthogonal polynomials of hypergeometric type with discrete and continuous variable. We construct the creation and annihilation operators that correspond to the normalized polynomials and study their algebraic properties in the case of the Kravchuk/Hermite Meixner/Laguerre polynomials.

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Key words

Orthogonal polynomials, difference equations, creation and annihilation operators.

AMS subject classifications

33C45, 33C80, 81R50.

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