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On \(q\)-analogues of Caputo derivative and Mittag-Leffler function. (English) Zbl 1157.33325

Summary: Based on the fractional \(q\)-integral with the parametric lower limit of integration, we consider the fractional \(q\)-derivative of Caputo type. Especially, its applications to \(q\)-exponential functions allow us to introduce \(q\)-analogues of the Mittag-Leffler function. Vice versa, those functions can be used for defining generalized operators in fractional \(q\)-calculus.

MSC:

33D60 Basic hypergeometric integrals and functions defined by them
33E12 Mittag-Leffler functions and generalizations
26A33 Fractional derivatives and integrals