On delta and nabla Caputo fractional differences and dual identities

2011/02/08 by Thabet Abdeljawad, Abdeljawad, Thabet · 1 citation
Mathematics · #Dynamical Systems (math.DS) #FOS: Mathematics #Fractional Differential Equations Solutions #Mathematical functions and polynomials #Nonlinear Differential Equations Analysis #math.DS

paper · pdf · doi:10.48550/arxiv.1102.1625

openalex publication_date 2011/02/08 · arxiv created 2013/01/10 · arxiv updated 2013/01/11 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

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 Rieamnn 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.

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• Monotonicity Results for Delta and Nabla Caputo and Riemann Fractional Differences via dual identities

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