On Delta and Nabla Caputo Fractional Differences and Dual Identities

Thabet Abdeljawad

Discrete Dynamics in Nature and Society, 2013, vol. 2013, 1-12

Abstract:

We investigate two types of dual identities for Caputo fractional differences. The first type relates nabla and delta type fractional sums and differences. The second type represented by the Q -operator relates left and right fractional sums and differences. Two types of Caputo fractional differences are introduced; one of them (dual one) is defined so that it obeys the investigated dual identities. The relation between Riemann and Caputo fractional differences is investigated, and the delta and nabla discrete Mittag-Leffler functions are confirmed by solving Caputo type linear fractional difference equations. A nabla integration by parts formula is obtained for Caputo fractional differences as well.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:406910

DOI: 10.1155/2013/406910

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