Prabhakar function and unified fractional kinetic equation in bicomplex space
Pith reviewed 2026-05-25 00:09 UTC · model grok-4.3
The pith
The bicomplex Prabhakar function is analytic in a region of convergence and solves a unified fractional kinetic equation in bicomplex space.
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
Core claim
We introduce the bicomplex Prabhakar function and prove it is analytic inside a nonempty region of convergence. We derive its integral representations, recurrence formulas, differential relations, and the bicomplex Laplace and Mellin transforms. We then analyze a fractional kinetic equation in which the bicomplex Prabhakar function appears both in the equation and in its solution.
What carries the argument
The bicomplex Prabhakar function, defined via a three-parameter series in bicomplex variables, which supplies both the form of the kinetic equation and its explicit solution.
Load-bearing premise
The bicomplex Prabhakar function remains analytic inside a nonempty region of convergence, permitting derivation of its integral representations, recurrence formulas, differential relations, and transforms.
What would settle it
An explicit series expansion or direct substitution showing that the proposed solution fails to satisfy the fractional kinetic equation inside the claimed region of convergence.
read the original abstract
The Mittag-Leffler type functions arise naturally in the solution of fractional order integral and differential equations, especially in the investigations of the fractional generalization of the kinetic equation. This article introduces a bicomplex extension of the Prabhakar function, a generalization of the Mittag-Leffler function commonly used in fractional calculus. We explore the analyticity and determine the region of convergence for this new bicomplex Prabhakar function. Several fundamental properties are established, including its integral representations, recurrence formulas, and differential relations. Furthermore, we compute the bicomplex Laplace and Mellin transforms of the function, which are useful for solving differential and integral equations. Finally, we analyze a fractional kinetic equation where the bicomplex Prabhakar function appears both in the equation and in its solution, demonstrating its applicability in complex systems involving fractional dynamics.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript introduces a bicomplex extension of the Prabhakar function (a generalization of the Mittag-Leffler function), determines its analyticity and region of convergence, establishes integral representations, recurrence formulas, differential relations, and computes its bicomplex Laplace and Mellin transforms. It then analyzes a fractional kinetic equation in which the bicomplex Prabhakar function appears both in the defining equation and in the explicit solution.
Significance. If the analyticity claim and the listed derivations hold in the bicomplex setting, the work supplies a new special function and an associated solution technique for fractional-order equations over a four-dimensional commutative algebra. This could be relevant to modeling in complex fractional dynamics, but the actual significance is difficult to gauge because the provided material supplies no explicit definitions, series expansions, or proofs against which the claims can be checked.
Simulated Author's Rebuttal
We thank the referee for the careful summary of our manuscript. The primary concern appears to be the absence of explicit definitions, series expansions, and proofs in the material reviewed. We address this point directly below.
read point-by-point responses
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Referee: the provided material supplies no explicit definitions, series expansions, or proofs against which the claims can be checked.
Authors: The full manuscript contains the series definition of the bicomplex Prabhakar function, the proof of its analyticity together with the explicit region of convergence, the integral representations, recurrence relations, differential properties, the derivations of the bicomplex Laplace and Mellin transforms, and the complete analysis of the unified fractional kinetic equation (including both the equation and its explicit solution in terms of the new function). All steps are accompanied by proofs. We believe the referee may have been provided only the abstract or a condensed excerpt; the complete arXiv preprint supplies the requested material in full. revision: no
Circularity Check
No significant circularity identified
full rationale
The paper defines the bicomplex Prabhakar function explicitly and derives its region of convergence, integral representations, recurrence formulas, differential relations, and Laplace/Mellin transforms directly from that definition and the assumption of analyticity in a nonempty domain. The fractional kinetic equation application places the function in both the equation and solution as an explicit demonstration of utility rather than a fitted prediction or self-referential construction. No load-bearing steps reduce by construction to inputs, no self-citation chains are invoked to justify uniqueness or ansatzes, and the derivation remains self-contained without renaming known results or smuggling assumptions via prior work.
Axiom & Free-Parameter Ledger
Reference graph
Works this paper leans on
-
[1]
Agarwal, R., Goswami, M. P., and Agarwal, R. P. (2014). Convolution theo- rem and applications of bicomplex Laplace transform.Advances in Mathematical Sciences and Applications, 24(1):113–127
work page 2014
-
[2]
Agarwal, R., Goswami, M. P., and Agarwal, R. P. (2017). Mellin transform in bicomplex space and its applications.Studia Universitatis Babes-Bolyai Mathe- matica, 62(2):217–232. 21
work page 2017
-
[3]
Agarwal, R. and Sharma, U. P. (2023). Bicomplex Mittag-Leffler function and applications in integral transform and fractional calculus. InMathematical and Computational Intelligence to Socio-scientific Analytics and Applications, pages 157–167. Springer
work page 2023
-
[4]
Agarwal, R., Sharma, U. P., and Agarwal, R. P. (2022). Bicomplex Mittag- Leffler function and associated properties.Journal of Nonlinear Sciences and Applications, 15:48–60
work page 2022
-
[5]
Agarwal, R., Sharma, U. P., and Agarwal, R. P. (2023). Solution of bicomplex time fractional Schr¨ odinger equation involving bicomplex Mittag-Leffler function. InInternational Conference on Mathematical Modelling, Applied Analysis and Computation, pages 14–30. Springer
work page 2023
-
[6]
Bakhet, A., Hussain, S., Zayed, M., and Fathi, M. (2025a). Bicomplex k-Mittag- Leffler functions with two parameters: Theory and applications to fractional ki- netic equations.Fractal and Fractional, 9(6):344
-
[7]
Bakhet, A., Zayed, M., Saleem, M. A., and Fathi, M. (2025b). On a new version of bicomplex Mittag-Leffler functions and their applications in fractional kinetic equations.Alexandria Engineering Journal, 125:409–423
-
[8]
Beltita, D. and Beltita, I. (2015). Cayley transform and the spectral theory of bicomplex operators.Journal of Functional Analysis, 268(9):2849–2885
work page 2015
-
[9]
Catoni, F., Boccaletti, D., Cannata, R., Nichelatti, E., and Zampetti, P. (2008). Mathematics of Minkowski Space-Time: With an Introduction to Commutative Hypercomplex Numbers. Springer
work page 2008
-
[10]
Dzherbashyan, M. M. (1966).Integral Transforms and Representation of Func- tions in Complex Domain. Nauka, Moscow ( Russian )
work page 1966
-
[11]
(1955).Higher Transcendental Functions
Erd´ elyi, A., Magnus, W., Oberhettinger, F., and Tricomi, F. (1955).Higher Transcendental Functions. McGraw-Hill, New York
work page 1955
-
[12]
Garraa, R. and Garrappa, R. (2018). The Prabhakar or three parameter Mittag- Leffler function: Theory and application.Communications in Nonlinear Science and Numerical Simulation, 56(5):314–329
work page 2018
-
[13]
Ghimici, M. and Cotfas, N. (2017). Differential operators in the algebra of bicomplex numbers.Electronic Journal of Differential Equations, 2017(50):1–16
work page 2017
-
[14]
A., Mainardi, F., and Rogosin, S
Gorenflo, R., Kilbas, A. A., Mainardi, F., and Rogosin, S. V. (2014).Mittag- Leffler functions, Related Topics and Application. Springer, Berlin Heidelberg. 22
work page 2014
-
[15]
Gorenflo, R., Mainardi, F., and Rogosin, S. V. (2009). Mittag-Leffler function: Properties and applications.In Handbook of Fractional Calculus with Applica- tions, Volume 1: Basic Theory, A. Kochubei, Yu.Luchko Berlin/Boston. Series edited by J. A.Tenreiro Machado,:269–296
work page 2009
-
[16]
Goyal, S. P., Mathur, T., and Goyal, R. (2006). Bicomplex gamma and beta function.Journal of Rajasthan Academy Physical Sciences, 5(1):131–142
work page 2006
-
[17]
Kilbas, A. A., Srivastava, H. M., and Trujillo, J. J. (2006).Theory and Appli- cations of Fractional Differential Equations, volume 204. Elsevier, Amsterdam
work page 2006
-
[18]
Luna-Elizarrar´ as, M. E., Perez-Regalado, C. O., and Shapiro, M. (2021). Singu- larities of bicomplex holomorphic functions.Mathematical Methods in the Applied Sciences, pages 1–16
work page 2021
-
[19]
Luna-Elizarrar´ as, M. E., Shapiro, M., Struppa, D. C., and Vajiac, A. (2012). Bicomplex numbers and their elementary functions.Cubo A Mathematical Jour- nal, 14(2):61–80
work page 2012
-
[20]
Mathai, A. M. and Haubold, H. J. (2008). Mittag-Leffler functions and frac- tional calculus.in special functions for applied scientists.Springer, 2008:79–134
work page 2008
-
[21]
Mitelman, L. and Roch, S. (1997). Bicompact operators and their applications in functional analysis.Integral Equations and Operator Theory, 27(2):143–160
work page 1997
-
[22]
Mittag-Leffler, G. M. (1903). Sur la nouvelle fonctionE α (x).CR Acad. Sci. Paris, 137(2):554–558
work page 1903
-
[23]
Mittag-Leffler, G. M. (1905). Sur la representation analytiqie d’une fonction monogene (cinquieme note).Acta Mathematica, 29:101–181
work page 1905
-
[24]
Prabhakar, T. R. (1971). A singular integral equation with a generalized Mittag- Leffler function in the kernel.Yokohama Mathematical Journal, 19:7–15
work page 1971
-
[25]
Price, G. B. (1991a).Explicit Birational Geometry of Threefolds. Cambridge University Press
-
[26]
Price, G. B. (1991b).An Introduction to Multicomplex Spaces and Functions. Marcel Dekker Inc. New York
-
[27]
Riley, K. F., Hobson, M. P., and Bence, S. J. (2001). Applications of hyper- complex numbers in physics and engineering.Journal of Mathematical Physics, 42(6):2501–2518. 23
work page 2001
-
[28]
Roch, S. and Seifert, C. (2014). Functional calculus for bicomplex operators. Complex Analysis and Operator Theory, 8(3):759–779
work page 2014
-
[29]
Rochon, D. and Shapiro, M. (2004). On algebraic properties of bicomplex and hyperbolic numbers.Analele Universitatii din Oradea. Fascicola Matematica, 11:71–110
work page 2004
-
[30]
Rochon, D. and Tremblay, S. (2004). Bicomplex quantum mechanics: I. the gen- eralized Schr¨ odinger equation.Advances in Applied Clifford Algebras, 14(2):231– 248
work page 2004
-
[31]
R¨ onn, S. (2001). Bicomplex algebra and function theory.arXiv:0101200v1 [Math.CV], pages 1–71
work page 2001
-
[32]
Saichev, A. I. and Zaslavsky, G. M. (1997). Fractional kinetic equations: solu- tions and applications.Chaos: An Interdisciplinary Journal of Nonlinear Science, 7(4):753–764
work page 1997
-
[33]
Saxena, R. K., Mathai, A. M., and Haubold, H. J. (2010). Solutions of cer- tain fractional kinetic equations and a fractional diffusion equation.Journal of Mathematical Physics, 51(10):103506
work page 2010
-
[34]
Segre, C. (1892). Le rappresentazioni reale delle forme complessee Gli Enti Iperalgebrici.Math. Ann., 40:413–467
-
[35]
Sharma, U. P., Agarwal, R., and Nisar, K. S. (2022). Bicomplex two parameter Mittag-Leffler function and properties with application to the fractional time wave equation.Palistine Journal of Mathematics, 12(1):462–481
work page 2022
-
[36]
Wiman, A. (1905). ¨Uber den fundamental satz in der theorie der funcktionen Eα(x) .Acta Math, 29:191–201
work page 1905
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