English
Related papers

Related papers: Counterexamples on Jumarie's three basic fractiona…

200 papers

The fractional calculus of variations is now a subject under strong research. Different definitions for fractional derivatives and integrals are used, depending on the purpose under study. In this paper the fractional operators are defined…

Optimization and Control · Mathematics 2012-02-01 Agnieszka B. Malinowska

We prove necessary optimality conditions, in the class of continuous functions, for variational problems defined with Jumarie's modified Riemann-Liouville derivative. The fractional basic problem of the calculus of variations with free…

Optimization and Control · Mathematics 2011-05-10 Ricardo Almeida , Delfim F. M. Torres

There are many functions which are continuous everywhere but not differentiable at some points, like in physical systems of ECG, EEG plots, and cracks pattern and for several other phenomena. Using classical calculus those functions cannot…

Classical Analysis and ODEs · Mathematics 2015-05-26 Uttam Ghosh , Srijan Sengupta , Susmita Sarkar , Shantanu Das

A fractional Adomian decomposition method for fractional nonlinear differential equations is proposed. The iteration procedure is based on Jumarie's fractional derivative. An example is given to elucidate the solution procedure, and the…

Mathematical Physics · Physics 2013-04-25 Guo-cheng Wu , Ji-Huan He

Some derivation-based differential calculi which have been used to construct models of noncommutative gauge theories are presented and commented. Some comparisons between them are made.

Mathematical Physics · Physics 2010-01-18 T. Masson

Via the MC-algorithm, in this paper we produce seven continued fraction formulae involving products and quotients of three gamma functions with three parameters, and another is an extension of Entry 34 in Chapter 12 of Ramanujan's second…

Number Theory · Mathematics 2021-11-30 Xiaodong Cao , Yoshio Tanigawa , Wenguang Zhai

We introduce a fractional theory of the calculus of variations for multiple integrals. Our approach uses the recent notions of Riemann-Liouville fractional derivatives and integrals in the sense of Jumarie. Main results provide fractional…

Optimization and Control · Mathematics 2010-03-09 Ricardo Almeida , Agnieszka B. Malinowska , Delfim F. M. Torres

We present new counterexamples, which provide stronger limitations to sums-differences statements than were previously known. The main idea is to consider non-uniform probability measures.

Combinatorics · Mathematics 2014-10-06 Marius Lemm

The purpose of this short paper is to show the invalidity of a Fourier series expansion of fractional order as derived by G. Jumarie in a series of papers. In his work the exponential functions $e^{in\omega x}$ are replaced by the…

Classical Analysis and ODEs · Mathematics 2015-07-29 Peter Massopust , Ahmed I. Zayed

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…

Classical Analysis and ODEs · Mathematics 2017-12-19 J. Vanterler da C. Sousa , E. Capelas de Oliveira

Continued fractions are used to give an alternate proof of $e^{x/y}$ is irrational.

History and Overview · Mathematics 2021-04-14 Sourangshu Ghosh

This somewhat unusual proof for the fact that the reals are uncountable, which is adapted from one of Bourbaki's proofs in "Fonctions d'une variable reelle", may be of some interest.

History and Overview · Mathematics 2009-01-06 Eliahu Levy

We show that the naive adaptation of Malle's conjecture to fair counting functions is not true in general.

Number Theory · Mathematics 2025-04-23 Peter Koymans , Carlo Pagano

The solution of non-linear differential equation, non-linear partial differential equation and non-linear fractional differential equation is current research in Applied Science. Here tanh-method and Fractional Sub-Equation methods are used…

General Mathematics · Mathematics 2015-09-08 Uttam Ghosh , Srijan Sengupta , Susmita Sarkar , Shantanu Das

The Fourier transform is naturally defined for integrable functrions. Otherwise, it should be stipulated in which sense the Fourier transform is understood. We consider some class of radial and, generally saying, nonintegrable functions.…

funct-an · Mathematics 2008-02-03 Elijah Liflyand

We point out a major flaw in the conformable calculus. We demonstrate why it fails at defining a fractional derivative and where exactly these tempting conformability properties come from.

Classical Analysis and ODEs · Mathematics 2024-02-12 Ahmed A. Abdelhakim

There is no unified method to solve the fractional differential equation. The type of derivative here used in this paper is of Jumarie formulation, for the several differential equations studied. Here we develop an algorithm to solve the…

Classical Analysis and ODEs · Mathematics 2016-03-14 Uttam Ghosh , Srijan Sengupta , Susmita Sarkar , Shantanu Das

In this short note we give counterexamples to several results related to extension theorems published recently.

Functional Analysis · Mathematics 2013-03-19 Constantin Zalinescu

In this article, we demonstrate that the claim made by Xiaoyan Li and Ni Sun \cite{bib 1} regarding the incorrectness of Theorem 7 in the paper \cite{bib 2} is wrong, and show that this Theorem is based on the integral with respect to…

Probability · Mathematics 2023-12-05 Alireza Najafi , Rahman Taleghani

We prove upper and lower bounds for certain sums of products of fractional parts by using majoring and minorizing functions from Fourier analysis. In special cases the upper bounds are sharp if there exist counterexamples to the Littlewood…

Number Theory · Mathematics 2013-09-09 Thai Hoang Le , Jeffrey D. Vaaler
‹ Prev 1 2 3 10 Next ›