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This paper is devoted to the study of generalised time-fractional evolution equations involving Caputo type derivatives. Using analytical methods and probabilistic arguments we obtain well-posedness results and stochastic representations…

偏微分方程分析 · 数学 2022-05-03 M. E. Hernández-Hernández , V. N. Kolokoltsov , L. Toniazzi

Definitions of fractional derivatives as fractional powers of derivative operators are suggested. The Taylor series and Fourier series are used to define fractional power of self-adjoint derivative operator. The Fourier integrals and Weyl…

混沌动力学 · 物理学 2015-03-17 Vasily E. Tarasov

The author \mbox{(Appl. Math. Comput. 218(3):860-865, 2011)} introduced a new fractional integral operator given by, \[ \big({}^\rho \mathcal{I}^\alpha_{a+}f\big)(x) = \frac{\rho^{1- \alpha }}{\Gamma({\alpha})} \int^x_a \frac{\tau^{\rho-1}…

经典分析与常微分方程 · 数学 2014-10-15 Udita N. Katugampola

A natural consequence of the fractional calculus is its extension to a matrix order of differentiation and integration. A matrix-order derivative definition and a matrix-order integration arise from the generalization of the gamma function…

综合数学 · 数学 2020-05-04 C. B. da Porciuncula

Holderian functions have strong non-linearities, which result in singularities in the derivatives. This manuscript presents several fractional-order Taylor expansions of H\"olderian functions around points of non- differentiability. These…

经典分析与常微分方程 · 数学 2015-08-26 Dimiter Prodanov

We introduce more general concepts of Riemann-Liouville fractional integral and derivative on time scales, of a function with respect to another function. Sufficient conditions for existence and uniqueness of solution to an initial value…

经典分析与常微分方程 · 数学 2018-07-24 Kheira Mekhalfi , Delfim F. M. Torres

The main aim of this present paper is to present a new extension of the fractional derivative operator by using the extension of Beta function recently defined by Shadab et al.[19]. Moreover, we establish some results related to the newly…

经典分析与常微分方程 · 数学 2019-02-11 Gauhar Rahman , Kottakkaran Sooppy Nisar , Zivorad Tomovski

In this paper, we present the definitions and some properties of the general fractional integrals (GFIs) and general fractional derivatives (GFDs) of a function f(x) with respect to another function g(x). Examples of special cases of…

综合数学 · 数学 2025-09-17 Vasily E. Tarasov

A new derivative, called deformable derivative, is introduced here which is equivalent to ordinary derivative in the sense that one implies other. The deformable derivative is defined using limit approach like that of ordinary one but with…

经典分析与常微分方程 · 数学 2017-05-03 Fahed Zulfeqarr , Amit Ujlayan , Priyanka Ahuja

This article provides an accessible introduction to fractional derivatives, a concept that extends classical calculus by allowing derivatives of non-integer order. It explores both the fundamental definitions and some of the most relevant…

经典分析与常微分方程 · 数学 2025-11-24 Félix del Teso , David Gómez-Castro

In this manuscript, we generalize F-calculus to apply it on fractal Tartan spaces. The generalized standard F-calculus is used to obtain the integral and derivative of the functions on the fractal Tartan with different dimensions. The…

经典分析与常微分方程 · 数学 2018-01-31 Alireza Khalili Golmankhaneh

The goal of this communication is to propose a generalized notion of the "traditional derivative". This generalization includes the fractional derivatives such as the Riemann-Liouville, Gruenwald-Letnikov, Weyl, Riesz, Caputo, Marchaud…

While the definition of a fractional integral may be codified by Riemann and Liouville, an agreed-upon fractional derivative has eluded discovery for many years. This is likely a result of integral definitions including numerous constants…

经典分析与常微分方程 · 数学 2018-10-10 Evan Camrud

The purpose of this paper is to introduce the notion of a generalized derivation which derivates a prescribed family of smooth vector-valued functions of several variables. The basic calculus rules are established and then a result derived…

经典分析与常微分方程 · 数学 2020-06-22 Richárd Grünwald , Zsolt Páles

We generalize the fractional Caputo derivative to the fractional derivative ${^CD^{\alpha,\beta}_{\gamma}}$, which is a convex combination of the left Caputo fractional derivative of order $\alpha$ and the right Caputo fractional derivative…

最优化与控制 · 数学 2012-01-16 Agnieszka B. Malinowska , Delfim F. M. Torres

The definition of the local fractional derivative has been generalised to the orders beyond the critical order. This makes it possible to retain more terms in the local fractional Taylor expansion leading to better approximation. This also…

混沌动力学 · 物理学 2014-12-09 Kiran M. Kolwankar

Let $\alpha\in\,]0,1[$. We prove that the existence of the conformable fractional derivative $T_{\alpha}f$ of a function $f:[0,\infty[\,\longrightarrow \mathbb{R}$ introduced by Khalil et al. in [R. Khalil, M. Al Horani, A. Yousef, M.…

经典分析与常微分方程 · 数学 2018-05-08 Ahmed A. Abdelhakim

In this article, we introduce a new general definition of fractional derivative and fractional integral, which depends on an unknown kernel. By using these definitions, we obtain the basic properties of fractional integral and fractional…

综合数学 · 数学 2017-12-27 Abdullah Akkurt , M. Esra Yildirim , Hüseyin Yildirim

A generalization of exterior calculus is considered by allowing the partial derivatives in the exterior derivative to assume fractional orders. That is, a fractional exterior derivative is defined. This is found to generate new vector…

数学物理 · 物理学 2009-11-10 Kathleen Cotrill-Shepherd , Mark Naber

This paper deals with the fractional Caputo--Fabrizio derivative and some basic properties related. A computation of this fractional derivative to power functions is given in terms of Mittag--Lefler functions. The inverse operator named the…

偏微分方程分析 · 数学 2018-09-10 Sabrina Roscani , Domingo Tarzia , Lucas Venturato