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General Fractional Vector Calculus [PDF]

open access: yesMathematics, 2021
A generalization of fractional vector calculus (FVC) as a self-consistent mathematical theory is proposed to take into account a general form of non-locality in kernels of fractional vector differential and integral operators.
Vasily E. Tarasov
doaj   +5 more sources

General Fractional Calculus: Multi-Kernel Approach [PDF]

open access: yesMathematics, 2021
For the first time, a general fractional calculus of arbitrary order was proposed by Yuri Luchko in 2021. In Luchko works, the proposed approaches to formulate this calculus are based either on the power of one Sonin kernel or the convolution of one ...
Vasily E. Tarasov
doaj   +5 more sources

Weighted Fractional Calculus: A General Class of Operators

open access: yesFractal and Fractional, 2022
We conduct a formal study of a particular class of fractional operators, namely weighted fractional calculus, and its extension to the more general class known as weighted fractional calculus with respect to functions.
Arran Fernandez, Hafiz Muhammad Fahad
doaj   +5 more sources

Nonlocal Probability Theory: General Fractional Calculus Approach

open access: yesMathematics, 2022
Nonlocal generalization of the standard (classical) probability theory of a continuous distribution on a positive semi-axis is proposed. An approach to the formulation of a nonlocal generalization of the standard probability theory based on the use of ...
Vasily E. Tarasov
doaj   +4 more sources

General Fractional Calculus, Evolution Equations, and Renewal Processes [PDF]

open access: yesIntegral Equations and Operator Theory, 2011
We develop a kind of fractional calculus and theory of relaxation and diffusion equations associated with operators in the time variable, of the form $(Du)(t)=\frac{d}{dt}\int\limits_0^tk(t-\tau)u(\tau)\,d\tau -k(t)u(0)$ where $k$ is a nonnegative ...
Kochubei, Anatoly N.
core   +2 more sources

General Fractional Calculus Operators of Distributed Order

open access: yesAxioms, 2023
In this paper, two types of general fractional derivatives of distributed order and a corresponding fractional integral of distributed type are defined, and their basic properties are investigated.
Mohammed Al-Refai, Yuri Luchko
doaj   +2 more sources

Growth Equation of the General Fractional Calculus [PDF]

open access: yesMathematics, 2019
We consider the Cauchy problem ( D ( k ) u ) ( t ) = λ u ( t ) , u ( 0 ) = 1 , where D ( k ) is the general convolutional derivative introduced in the paper (A. N. Kochubei, Integral Equations Oper. Theory 71 (2011),
Anatoly N. Kochubei, Yuri Kondratiev
doaj   +3 more sources

A Note on the Equivalence of Fractional Relaxation Equations to Differential Equations with Varying Coefficients

open access: yesMathematics, 2018
In this note, we show how an initial value problem for a relaxation process governed by a differential equation of a non-integer order with a constant coefficient may be equivalent to that of a differential equation of the first order with a varying ...
Francesco Mainardi
doaj   +4 more sources

The Generalized Fractional Calculus of Variations

open access: yes, 2014
We review the recent generalized fractional calculus of variations. We consider variational problems containing generalized fractional integrals and derivatives and study them using indirect methods.
Odzijewicz, Tatiana   +1 more
core   +3 more sources

Semi-integration of certain algebraic expressions [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2022
The theory of fractional calculus developed rapidly as the applications of this branch are extensive nowadays. There is no discipline of modern engineering and science that remains untouched by the techniques of fractional calculus. In fact, one
M.I. Qureshi, J. Majid
doaj   +3 more sources

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