Arbitrary Order Fractional Difference Operators with Discrete Exponential Kernels and Applications

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44 Citations (Scopus)

Abstract

Recently, Abdeljawad and Baleanu have formulated and studied the discrete versions of the fractional operators of order 0<α≤1 with exponential kernels initiated by Caputo-Fabrizio. In this paper, we extend the order of such fractional difference operators to arbitrary positive order. The extension is given to both left and right fractional differences and sums. Then, existence and uniqueness theorems for the Caputo (CFC) and Riemann (CFR) type initial difference value problems by using Banach contraction theorem are proved. Finally, a Lyapunov type inequality for the Riemann type fractional difference boundary value problems of order 2<α≤3 is proved and the ordinary difference Lyapunov inequality then follows as α tends to 2 from right. Illustrative examples are discussed and an application about Sturm-Liouville eigenvalue problem in the sense of this new fractional difference calculus is given.

Original languageEnglish
Article number4149320
JournalDiscrete Dynamics in Nature and Society
Volume2017
DOIs
Publication statusPublished - Jun 21 2017

ASJC Scopus subject areas

  • Modelling and Simulation

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