English
Related papers

Related papers: New Approach To A Generalized Fractional Integral

200 papers

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

A general explicit form for generating functions for approximating fractional derivatives is derived. To achieve this, an equivalent characterisation for consistency and order of approximations established on a general generating function…

Numerical Analysis · Mathematics 2021-05-31 W. A. Gunarathna , H. M. Nasir , W. B. Daundasekera

In 1993, Samko and Ross introduced the study of fractional integration and differentiation when the order is not a constant but a function. This suggestion gave rise to a number of further ideas and results. In particular, this implies a…

Classical Analysis and ODEs · Mathematics 2020-07-02 Ivan Matychyn

We consider the integral and derivative operators of tempered fractional calculus, and examine their analytic properties. We discover connections with the classical Riemann-Liouville fractional calculus and demonstrate how the operators may…

Classical Analysis and ODEs · Mathematics 2019-12-12 Arran Fernandez , Ceren Ustaoglu

We present the applycation of theory of Lie group analysis with $\psi$-Riemann-Liouville fractional derivative detailing the construction of infinitesimal prolongation to obtain Lie symmetries. In additional, is addressed the invariance…

The objective of this paper is to present an approximation formula for the Katugampola fractional integral, that allows us to solve fractional problems with dependence on this type of fractional operator. The formula only depends on…

General Mathematics · Mathematics 2015-12-14 Ricardo Almeida , Nuno R. O. Bastos

We consider fractional isoperimetric problems of calculus of variations with double integrals via the recent modified Riemann-Liouville approach. A necessary optimality condition of Euler-Lagrange type, in the form of a multitime fractional…

Optimization and Control · Mathematics 2011-04-05 Tatiana Odzijewicz , Delfim F. M. Torres

This paper provides a Liouville principle for integration in terms of exponential integrals and incomplete gamma functions.

Number Theory · Mathematics 2018-02-23 Waldemar Hebisch

We give a unified interpretation of confluences, contiguity relations and Katz's middle convolutions for linear ordinary differential equations with polynomial coefficients and their generalization to partial differential equations. The…

Classical Analysis and ODEs · Mathematics 2011-06-07 Toshio Oshima

In this paper, we introduce the general fractional integrals and derivatives of arbitrary order and study some of their basic properties and particular cases. First, a suitable generalization of the Sonine condition is presented and some…

Classical Analysis and ODEs · Mathematics 2021-05-03 Yuri Luchko

We consider the set of power functions defined on the set of positive real number, and their linear combinations. After recalling some properties of the gamma function, we give two general definitions of derivatives of positive and negative…

General Mathematics · Mathematics 2015-04-29 Raoelina Andriambololona , Tokiniaina Ranaivoson , Hanitriarivo Rakotoson , Raboanary Roland

A one dimensional fractional diffusion model with the Riemann-Liouville fractional derivative is studied. First, a second order discretization for this derivative is presented and then an unconditionally stable weighted average finite…

Numerical Analysis · Mathematics 2011-09-13 Ercília Sousa , Can Li

In this paper we establish a fractional generalization of Einstein field equations based on the Riemann-Liouville fractional generalization of the ordinary differential operator $\partial_\mu$. We show some elementary properties and prove…

General Physics · Physics 2010-03-26 Joakim Munkhammar

As a continuation of Rabei et al. work [11], the Hamilton- Jacobi partial differential equation is generalized to be applicable for systems containing fractional derivatives. The Hamilton- Jacobi function in configuration space is obtained…

Mathematical Physics · Physics 2015-05-13 Eqab M. Rabei , Bashar S. Ababneh

We prove maximum and comparison principles for fractional discrete derivatives in the integers. Regularity results when the space is a mesh of length $h$, and approximation theorems to the continuous fractional derivatives are shown. When…

Analysis of PDEs · Mathematics 2016-05-24 Luciano Abadías , Marta de León-Contreras , José L. Torrea

In this paper, a new notion, named Riemann-Liouville fractional cosine function is presented. It is proved that a Riemann-Liouville $\alpha$-order fractional cosine function is equivalent to Riemann-Liouville $\alpha$-order fractional…

Functional Analysis · Mathematics 2015-05-07 Zhan-Dong Mei , Ji-Gen Peng

The transformation of the partial fractional derivatives under spatial rotation in $R^2$ are derived for the Riemann-Liouville and Caputo definitions. These transformation properties link the observation of physical quantities, expressed…

General Mathematics · Mathematics 2015-09-09 Ehab Malkawi

In this paper, the incomplete Pochhammer ratios are defined in terms of the incomplete beta function $B_{y}(x,z)$. With the help of these incomplete Pochhammer ratios, we introduce new incomplete Gauss, confluent hypergeometric and Appell's…

Classical Analysis and ODEs · Mathematics 2019-01-16 Mehmet Ali Özarslan , Ceren Ustaoğlu

In the present work, an attempted was made to develop a numerical algorithm by the use of new orthogonal hybrid functions formed from hybrid of piecewise constant orthogonal sample-and-hold functions and piecewise linear orthogonal…

Numerical Analysis · Mathematics 2018-01-23 Seshu Kumar Damarla , Madhusree Kundu

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…

Classical Analysis and ODEs · Mathematics 2016-12-02 Ricardo Almeida , Malgorzata Guzowska , Tatiana Odzijewicz
‹ Prev 1 8 9 10 Next ›