On the solutions of fractional differential equations with modified Mittag-Leffler kernel and Dirac Delta function: Analytical results and numerical simulations

Mohammed Al-Refai, Dumitru Baleanu and Alomari Ak

PLOS ONE, 2025, vol. 20, issue 6, 1-13

Abstract: In this paper we define, for the first time, the modified fractional derivative with Mittage-Leffler kernel of Riemann–Liouville (R-L) type of arbitrary order δ>0delta. We derive the infinite series representations for the modified derivatives of R-L and Caputo types and present a relationship between them. We also investigate the modified derivatives for the Dirac delta functions, and study related fractional differential equations. Explicit solutions were presented for linear fractional differential equations with constant coefficients via the Laplace transform. A fractional model with the modified derivative is considered and numerical simulations were presented.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0325897

DOI: 10.1371/journal.pone.0325897

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