Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

The Fourier Continuous Derivative: A New Approach to Fractional Differentiation

Version 1 : Received: 12 October 2023 / Approved: 13 October 2023 / Online: 13 October 2023 (17:45:11 CEST)
Version 2 : Received: 17 March 2024 / Approved: 18 March 2024 / Online: 19 March 2024 (10:15:54 CET)

How to cite: Diedrich, E. The Fourier Continuous Derivative: A New Approach to Fractional Differentiation. Preprints 2023, 2023100913. https://doi.org/10.20944/preprints202310.0913.v2 Diedrich, E. The Fourier Continuous Derivative: A New Approach to Fractional Differentiation. Preprints 2023, 2023100913. https://doi.org/10.20944/preprints202310.0913.v2

Abstract

The Fourier Continuous Derivative ($D_C$) offers a unique perspective on fractional differentiation grounded in the theory of Fourier series. This approach has the potential to address problems across various disciplines, including physics, engineering, and mathematics. The primary insight underpinning this approach is that a convex function defined on $\mathbb{Z}$ retains its convexity on $\mathbb{R}$. This paper delves into the Fourier Continuous Derivative, compares it with traditional fractional derivatives, and outlines its possible real-world applications, such as modeling viscoelastic materials, solving wave equations, and financial data analysis.

Keywords

Fourier Continuous Derivative; Fractional Differentiation; Invariance Properties

Subject

Computer Science and Mathematics, Analysis

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