Al-Salam–Ismail polynomials

The Al-Salam–Ismail polynomials, often denoted \( p_n(x; a, b) \), are a family of orthogonal polynomials that are generalized and belong to the class of basic hypergeometric polynomials. They are named after the mathematicians Al-Salam and Ismail, who introduced them in the context of approximation theory and special functions.