Results 11 to 20 of about 42,388 (275)

General Fractional Calculus in Multi-Dimensional Space: Riesz Form

open access: yesMathematics, 2023
An extension of the general fractional calculus (GFC) is proposed as a generalization of the Riesz fractional calculus, which was suggested by Marsel Riesz in 1949.
Vasily E. Tarasov
doaj   +3 more sources

Scale-Invariant General Fractional Calculus: Mellin Convolution Operators

open access: yesFractal and Fractional, 2023
General fractional calculus (GFC) of operators that is defined through the Mellin convolution instead of Laplace convolution is proposed. This calculus of Mellin convolution operators can be considered as an analogue of the Luchko GFC for the Laplace ...
Vasily E. Tarasov
doaj   +3 more sources

General fractional calculus and Prabhakar’s theory [PDF]

open access: yesCommunications in Nonlinear Science and Numerical Simulation, 2020
General fractional calculus offers an elegant and self-consistent path toward the generalization of fractional calculus to an enhanced class of kernels. Prabhakar's theory can be thought of, to some extent, as an explicit realization of this scheme achieved by merging the Prabhakar (or, three-parameter Mittag-Leffler) function with the general wisdom ...
Andrea Giusti
openaire   +4 more sources

Multi-Kernel General Fractional Calculus of Arbitrary Order

open access: yesMathematics, 2023
An extension of the general fractional calculus (GFC) of an arbitrary order, proposed by Luchko, is formulated. This extension is also based on a multi-kernel approach, in which the Laplace convolutions of different Sonin kernels are used.
Vasily E. Tarasov
doaj   +3 more sources

Zener Model with General Fractional Calculus: Thermodynamical Restrictions

open access: yesFractal and Fractional, 2022
We studied a Zener-type model of a viscoelastic body within the context of general fractional calculus and derived restrictions on coefficients that follow from the dissipation inequality, which is the entropy inequality under isothermal conditions.
Teodor M. Atanackovic, Stevan Pilipovic
doaj   +3 more sources

Operational Calculus for the General Fractional Derivatives of Arbitrary Order

open access: yesMathematics, 2022
In this paper, we deal with the general fractional integrals and the general fractional derivatives of arbitrary order with the kernels from a class of functions that have an integrable singularity of power function type at the origin.
Maryam Al-Kandari   +2 more
doaj   +3 more sources

On fractional calculus with general analytic kernels [PDF]

open access: yesApplied Mathematics and Computation, 2019
Many possible definitions have been proposed for fractional derivatives and integrals, starting from the classical Riemann-Liouville formula and its generalisations and modifying it by replacing the power function kernel with other kernel functions.
Arran Fernandez   +2 more
openaire   +4 more sources

Generalized Fractional Calculus for Gompertz-Type Models [PDF]

open access: yesMathematics, 2021
This paper focuses on the construction of deterministic and stochastic extensions of the Gompertz curve by means of generalized fractional derivatives induced by complete Bernstein functions. Precisely, we first introduce a class of linear stochastic equations involving a generalized fractional integral and we study the properties of its solutions ...
Giacomo Ascione, Enrica Pirozzi
openaire   +3 more sources

Haar wavelet fractional derivative [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2022
In this paper, the fundamental properties of fractional calculus are discussed with the aim of extending the definition of fractional operators by using wavelets.
Carlo Cattani
doaj   +1 more source

General Non-Local Continuum Mechanics: Derivation of Balance Equations

open access: yesMathematics, 2022
In this paper, mechanics of continuum with general form of nonlocality in space and time is considered. Some basic concepts of nonlocal continuum mechanics are discussed. General fractional calculus (GFC) and general fractional vector calculus (GFVC) are
Vasily E. Tarasov
doaj   +1 more source

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