On discrete Hahn's theorem
Abstract
We give a discrete analogue of Hahn’s theorem and a discrete ex- tension for it; we show that an orthogonal polynomial sequence, whose m−th associated sequence of k−th ”discrete derivative” sequence is or- thogonal, is necessarily a D−ω -classical one, where Dω is the divided- difference operator.
Copyright (c) 2024 Emna Abassi
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