Error Estimates for Numerical Quadrature Rules via New Fractional Integral Inequalities Based on the Prabhakar Fractional Operator for Harmonic Mappings with Computational and Graphical Validation

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DOI: https://doi.org/10.28924/2291-8639-24-2026-242
Published: Aug 3, 2026
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Hijaz Ahmad, Haitham Qawaqneh, Waqar Afzal, Mujahid Abbas, Lütfi Akın, Mutum Zico Meetei, Muhammad Tariq, Waqas Nazeer, Mohamed Abbas El-Naggar, Error Estimates for Numerical Quadrature Rules via New Fractional Integral Inequalities Based on the Prabhakar Fractional Operator for Harmonic Mappings with Computational and Graphical Validation, Int. J. Anal. Appl., 24 (2026), 242.

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Hijaz Ahmad, Haitham Qawaqneh, Waqar Afzal, Mujahid Abbas, Lütfi Akın, Mutum Zico Meetei, Muhammad Tariq, Waqas Nazeer, Mohamed Abbas El-Naggar

Abstract

In this work, we establish several new variants of the Hermite–Hadamard integral inequality, together with various product-type extensions, by employing the Prabhakar fractional integral operator with three-parameter Mittag-Leffler kernels for mappings defined on harmonic sets. This unified operator generalizes several classical fractional operators, including Riemann–Liouville, Erdélyi–Kober, and Weyl, which are recovered as special cases. The results obtained herein constitute natural generalizations and significant improvements of existing results developed using classical integral operators. To demonstrate the validity and effectiveness of the obtained results, we present nontrivial numerical examples supported by graphical illustrations and tabulated comparisons for different choices of the fractional parameters. Furthermore, as an application of our main results, we derive explicit error estimates for the trapezoidal rule on harmonic intervals.

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