Lie theory and difference equations. I

Willard Miller

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


A factorization method is constructed for sequences of second-order linear difference equations in analogy with the factorization method for differential equations. Six factorization types are established and recursion relations are obtained for various classes of special functions, among which are the hypergeometric functions and their limits, and the classical polynomials of a discrete variable: Tchebycheff, Krawtchouk, Charlier, Meixner, and Hahn. It is shown that the factorization method is a disguised form of Lie algebra representation theory.

Original languageEnglish (US)
Pages (from-to)383-399
Number of pages17
JournalJournal of Mathematical Analysis and Applications
Issue number2
StatePublished - Nov 1969

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