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This paper discusses some unusual consequences raised by the definition of the conformable derivative in the lower terminal. A replacement for this definition is proposed and statements adjusted to the new definition are presented.

综合数学 · 数学 2024-09-06 Hristo Kiskinov , Milena Petkova , Andrey Zahariev

The notion of a local fractional derivative (LFD) was introduced recently for functions of a single variable. LFD was shown to be useful in studying fractional differentiability properties of fractal and multifractal functions. It was…

数学物理 · 物理学 2008-11-06 Kiran M. Kolwankar , Anil D. Gangal

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

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

The concept of local fractional derivative was introduced in order to be able to study the local scaling behavior of functions. However it has turned out to be much more useful. It was found that simple equations involving these operators…

数学物理 · 物理学 2017-08-04 Kiran M. Kolwankar

In this short note we present a new general definition of local fractional derivative, that depends on an unknown kernel. For some appropriate choices of the kernel we obtain some known cases. We establish a relation between this new…

经典分析与常微分方程 · 数学 2016-12-02 Ricardo Almeida , Malgorzata Guzowska , Tatiana Odzijewicz

Recently, the authors Khalil, R., Al Horani, M., Yousef. A. and Sababheh, M., in " A new Denition Of Fractional Derivative, J. Comput. Appl. Math. 264. pp. 6570, 2014. " introduced a new simple well-behaved definition of the fractional…

动力系统 · 数学 2016-11-25 Thabet Abdeljawad

In this paper, we introduce two new non-singular kernel fractional derivatives and present a class of other fractional derivatives derived from the new formulations. We present some important results of uniformly convergent sequences of…

经典分析与常微分方程 · 数学 2017-12-19 J. Vanterler da C. Sousa , E. Capelas de Oliveira

In this paper, we present a new derivative via the Laplace transform. The Laplace transform leads to a natural form of the fractional derivative which is equivalent to a Riemann-Liouville derivative with fixed terminal point. We first…

综合数学 · 数学 2020-02-03 Mostafa Rezapour , Adebowale Sijuwade

Recently, a new fractional derivative called the conformable fractional derivative is given which is based on the basic limit definition of the derivative in [1]. Then, the fractional versions of chain rules, exponential functions,…

经典分析与常微分方程 · 数学 2016-02-19 Emrahünal , Ahmet Gökdoğan

Conformable fractional derivative is introduced by the authors Khalil et al. In this study we develop their concept and introduce multivariable conformable derivative for a vector valued function with several variables.

经典分析与常微分方程 · 数学 2018-03-02 Nazlı Yazıcı Gözütok , Uğur Gözütok

Recently, a new fractional derivative called the conformable fractional derivative is given on based basic limit definition derivative in [4]. Then, the fractional versions of chain rules, exponential functions, Gronwalls inequality,…

经典分析与常微分方程 · 数学 2015-04-09 Ahmet Gökdoğan , Emrah Ünal , Ercan Çelik

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

We consider some possible approaches to the fractional-order generalization of definition of variation (functional) derivative. Some problems of formulation of a fractional-order variational derivative are discussed. To give a consistent…

经典分析与常微分方程 · 数学 2015-02-27 Vasily E. Tarasov

We introduce a notion of fractional (noninteger order) derivative on an arbitrary nonempty closed subset of the real numbers (on a time scale). Main properties of the new operator are proved and several illustrative examples given.

经典分析与常微分方程 · 数学 2016-09-06 Benaoumeur Bayour , Delfim F. M. Torres

We introduce the definition of conformable derivative on time scales and develop its calculus. Fundamental properties of the conformable derivative and integral on time scales are proved. Linear conformable differential equations with…

经典分析与常微分方程 · 数学 2018-01-09 Benaoumeur Bayour , Ahmed Hammoudi , Delfim F. M. Torres

Two approximations, derived from continuous expansions of Riemann-Liouville fractional derivatives into series involving integer order derivatives, are studied. Using those series, one can formally transform any problem that contains…

最优化与控制 · 数学 2013-05-10 Shakoor Pooseh , Ricardo Almeida , Delfim F. M. Torres

In this article, we propose new proportional fractional operators generated from local proportional derivatives of a function with respect to another function. We present some properties of these fractional operators which can be also…

综合数学 · 数学 2019-11-21 Fahd Jarad , Manar A. Alqudah , Thabet Abdeljawad

The conformable derivative has been promoted in numerous publications as a new fractional derivative operator. This article provides a critical reassessment of this claim. We demonstrate that the conformable derivative is not a fractional…

偏微分方程分析 · 数学 2025-12-30 Aziz El Ghazouani , Fouad Ibrahim Abdou Amir , Khoulane Mohamed , M'hamed Elomari

The paper discusses the characteristic properties of fractional derivatives of non-integer order. It is known that derivatives of integer orders are determined by properties of differentiable functions only in an infinitely small…

经典分析与常微分方程 · 数学 2018-03-05 Vasily E. Tarasov
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