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Holderian functions have strong non-linearities, which result in singularities in the derivatives. This manuscript presents several fractional-order Taylor expansions of H\"olderian functions around points of non- differentiability. These…

Classical Analysis and ODEs · Mathematics 2015-08-26 Dimiter Prodanov

H\"older functions represent mathematical models of nonlinear physical phenomena. This work investigates the general conditions of existence of fractional velocity as a localized generalization of ordinary derivative with regard to the…

Classical Analysis and ODEs · Mathematics 2016-08-02 Dimiter Prodanov

Singular functions and, in general, H\"older functions represent conceptual models of nonlinear physical phenomena. The purpose of this survey is to demonstrate the applicability of fractional velocity as a tool to characterize Holder and…

Classical Analysis and ODEs · Mathematics 2018-10-18 Dimiter Prodanov

The paper demonstrates the basic properties of the local fractional variation operators (termed fractal variation operators). The action of the operators is demonstrated for local characterization of Holderian functions. In particular, it…

Classical Analysis and ODEs · Mathematics 2015-05-27 Dimiter Prodanov

The fractional Leibniz rule is generalized by the Coifman-Meyer estimate. It is shown that the arbitrary redistribution of fractional derivatives for higher order with the corresponding correction terms.

Analysis of PDEs · Mathematics 2019-01-01 Kazumasa Fujiwara , Vladimir Georgiev , Tohru Ozawa

Fractional derivative can be defined as a fractional power of derivative. The commutator (i/h)[H, ], which is used in the Heisenberg equation, is a derivation on a set of observables. A derivation is a map that satisfies the Leibnitz rule.…

Quantum Physics · Physics 2009-11-13 Vasily E. Tarasov

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 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…

Classical Analysis and ODEs · Mathematics 2015-02-27 Vasily E. Tarasov

Definitions of fractional derivatives as fractional powers of derivative operators are suggested. The Taylor series and Fourier series are used to define fractional power of self-adjoint derivative operator. The Fourier integrals and Weyl…

Chaotic Dynamics · Physics 2015-03-17 Vasily E. Tarasov

Fractional analysis is applied to describe classical dynamical systems. Fractional derivative can be defined as a fractional power of derivative. The infinitesimal generators {H, .} and L=G(q,p) \partial_q+F(q,p) \partial_p, which are used…

Classical Physics · Physics 2011-07-29 Vasily E. Tarasov

This paper presents a reformulation of the Leibniz product rule as a finite sum that expresses the fractional derivative of the product of two differentiable functions. This paper then proves the cases for when the product consists of an…

General Mathematics · Mathematics 2024-03-18 Ryan Wilis

We study the fundamental problem of the calculus of variations with variable order fractional operators. Fractional integrals are considered in the sense of Riemann-Liouville while derivatives are of Caputo type.

Optimization and Control · Mathematics 2013-02-07 Tatiana Odzijewicz , Agnieszka B. Malinowska , Delfim F. M. Torres

A type of fractional derivative, referred to as \alpha-derivative, is studied. The \alpha-derivative of fractional type obeys Leibnitz rule. Based on the definition of \alpha-derivative the operations of analysis and differential geometry…

Mathematical Physics · Physics 2017-09-28 V. V. Kobelev

We introduce a new fractional derivative which obeys classical properties including: linearity, product rule, quotient rule, power rule, chain rule, vanishing derivatives for constant functions, the Rolle's Theorem and the Mean Value…

Classical Analysis and ODEs · Mathematics 2014-11-11 Udita N. Katugampola

This work further develops the properties of fractional differential forms. In particular, finite dimensional subspaces of fractional form spaces are considered. An inner product, Hodge dual, and covariant derivative are defined. Coordinate…

Mathematical Physics · Physics 2007-05-23 Kathleen Cotrill-Shepherd , Mark NAber

Fractional derivatives are generalization to classical integer-order derivatives. The rules which are true for classical derivative need not hold for the fractional derivatives, for example, we cannot simply add the fractional orders…

Dynamical Systems · Mathematics 2022-08-29 Sachin Bhalekar , Madhuri Patil

A fractional generalization of variations is used to define a stability of non-integer order. Fractional variational derivatives are suggested to describe the properties of dynamical systems at fractional perturbations. We formulate…

Classical Physics · Physics 2011-07-26 Vasily E. Tarasov

The notion of fractional dynamics is related to equations of motion with one or a few terms with derivatives of a fractional order. This type of equation appears in the description of chaotic dynamics, wave propagation in fractal media, and…

Classical Physics · Physics 2015-03-19 Vasily E. Tarasov , George M. Zaslavsky

Fractional generalization of an exterior derivative for calculus of variations is defined. The Hamilton and Lagrange approaches are considered. Fractional Hamilton and Euler-Lagrange equations are derived. Fractional equations of motion are…

Mathematical Physics · Physics 2009-11-11 Vasily E. Tarasov

The natural forms of the Leibniz rule for the $k$th derivative of a product and of Fa\`a di Bruno's formula for the $k$th derivative of a composition involve the differential operator $\partial^k/\partial x_1 ... \partial x_k$ rather than…

Combinatorics · Mathematics 2007-05-23 Michael Hardy
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