Exponentially small expansions in the asymptotics of the Wright function

Richard B. Paris

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)
50 Downloads (Pure)


We consider exponentially small expansions present in the asymptotics of the generalised hypergeometric function, or Wright function, pΨq(z) for large |z| that have not been considered in the existing theory. Our interest is principally with those functions of this class that possess either a finite algebraic expansion or no such expansion and with parameter values that produce exponentially small expansions in the neighbourhood of the negative real z axis. Numerical examples are presented to demonstrate the presence of these exponentially small expansions.
Original languageEnglish
Pages (from-to)488-504
Number of pages17
JournalJournal of Computational and Applied Mathematics
Issue number2
Publication statusPublished - May 2010


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