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We introduce a new derivative, the so-called truncated $\mathcal{V}$-fractional derivative for $\alpha$-differentiable functions through the six parameters truncated Mittag-Leffler function, which generalizes different fractional…

Classical Analysis and ODEs · Mathematics 2017-05-23 J. Vanterler da C. Sousa , E. Capelas de Oliveira

We investigate fractional sums of arithmetic functions over products of two or three integers, with emphasis on fixed greatest common divisors and multiplicative weights. Let $f$ be an arithmetic function satisfying $f(n) \ll n^\alpha$ for…

Number Theory · Mathematics 2026-02-16 Meselem Karras

A new method for approximating fractional derivatives of the Gaussian function and Dawson's integral are presented. Unlike previous approaches, which are dominantly based on some discretization of Riemann-Liouville integral using polynomial…

Numerical Analysis · Mathematics 2017-09-08 Can Evren Yarman

This paper introduces Generalized Fourier transform (GFT) that is an extension or the generalization of the Fourier transform (FT). The Unilateral Laplace transform (LT) is observed to be the special case of GFT. GFT, as proposed in this…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Pushpendra Singh , Anubha Gupta , Shiv Dutt Joshi

Time-dependent fractional-derivative problems $D_t^\delta u + Au = f$ are considered, where $D_t^\delta$ is a Caputo fractional derivative of order $\delta\in (0,1)\cup (1,2)$ and~$A$ is a classical elliptic operator, and appropriate…

Analysis of PDEs · Mathematics 2016-12-26 Martin Stynes

Two fractional two-phase Stefan-like problems are considered by using Riemann-Liouville and Caputo derivatives of order $\alpha \in (0, 1)$ verifying that they coincide with the same classical Stefan problem at the limit case when…

Analysis of PDEs · Mathematics 2020-07-15 Sabrina Roscani , Nahuel Caruso , Domingo Tarzia

This paper is in continuation of the authors' recently published paper (Journal of Mathematical Physics 55(2014)083519) in which computational solutions of an unified reaction-diffusion equation of distributed order associated with Caputo…

Mathematical Physics · Physics 2016-10-31 R. K. Saxena , A. M. Mathai , H. J. Haubold

This research paper focuses on exploring two Complex-valued function's fractional derivative, specifically the Hurwitz Zeta function and Jacobi theta function. The study is based on the Complex Generalization of Grunwald-Letnikov Fractional…

Classical Analysis and ODEs · Mathematics 2024-06-26 Ashish Mor , Surbhi Gupta , Manju Kashyap

This article investigates a class of discrete nabla fractional operators by using the discrete nabla convolution theorem. Inspired by this, we define the discrete generalized nabla fractional sum and differences of Riemann-Liouville and…

Classical Analysis and ODEs · Mathematics 2022-07-21 Pshtiwan Othman Mohammed , Thabet Abdeljawad , Faraidun Kadir Hamasalh

In recent years, the theory for Leibniz integral rule in the fractional sense has not been able to get substantial development. As an urgent problem to be solved, we study a Leibniz integral rule for Riemann-Liouville and Caputo type…

Classical Analysis and ODEs · Mathematics 2020-12-22 Ismail T. Huseynov , Arzu Ahmadova , Nazim I. Mahmudov

Some Caputo q-fractional difference equations are solved. The solutions are expressed by means of a new introduced generalized type of q-Mittag-Leffler functions. The method of successive approximation is used to obtain the solutions. The…

Dynamical Systems · Mathematics 2011-02-09 Thabet Abdeljawad , Betül Benli

Historically the fractional calculus concept works an extended idea based on the question asked by Guillaume de L'H\^opital to Gottfried Wilhelm Leibniz in 1695 about the notation ${d^nf}/{dx^n}$ for the derivative operator "What if…

Mathematical Physics · Physics 2025-07-08 J. J. A. de Oliveira , C. F. L. Godinho

We study operators that are generalizations of the classical Riemann-Liouville fractional integral, and of the Riemann-Liouville and Caputo fractional derivatives. A useful formula relating the generalized fractional derivatives is proved,…

Classical Analysis and ODEs · Mathematics 2012-10-29 Tatiana Odzijewicz , Agnieszka B. Malinowska , Delfim F. M. Torres

The theory of fractional calculus has developed in a number of directions over the years, including: the formulation of multiple different definitions of fractional differintegration; the extension of various properties of standard calculus…

Classical Analysis and ODEs · Mathematics 2019-04-05 Arran Fernandez , Ceren Ustaoğlu , Mehmet Ali Özarslan

There are several approaches to the fractional differential operator. Generalized q-fractional difference operator was defined in the aid of q-iterated Cauchy integral and q-calculus techniques. We introduce Caputo type derivative related…

General Mathematics · Mathematics 2020-01-30 M. Momenzadeh , S. Norouzpoor

We introduce a fractional calculus on time scales using the theory of delta (or nabla) dynamic equations. The basic notions of fractional order integral and fractional order derivative on an arbitrary time scale are proposed, using the…

Classical Analysis and ODEs · Mathematics 2010-12-08 Nuno R. O. Bastos , Dorota Mozyrska , Delfim F. M. Torres

A recent development in the theory of fractional differential equations with variable coefficients has been a method for obtaining an exact solution in the form of an infinite series involving nested fractional integral operators. This…

Classical Analysis and ODEs · Mathematics 2021-05-04 Arran Fernandez , Joel E. Restrepo , Durvudkhan Suragan

Using the Mellin transform approach, it is shown that, in contrast with integer-order derivatives, the fractional-order derivative of a periodic function cannot be a function with the same period. The three most widely used definitions of…

Dynamical Systems · Mathematics 2012-01-11 Eva Kaslik , Seenith Sivasundaram

The fractional integrals and fractional derivatives problem is tackled by using the operator approach. The definition domain E of operators is causal functions.Many properties of fractional integrals are given. Fractional derivatives…

General Mathematics · Mathematics 2013-02-20 Raoelina Andriambololona

In this paper, we aim to present new extensions of incomplete gamma, beta, Gauss hypergeometric, confluent hypergeometric function and Appell-Lauricella hypergeometric functions, by using the extended Bessel function due to Boudjelkha [4].…

Classical Analysis and ODEs · Mathematics 2019-12-10 Abbas Hafida , Azzouz Abdelhalim , Zahaf Mohammed Brahim , Belmekki Mohamed
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