Download e-book for iPad: Advanced Methods in the Fractional Calculus of Variations by Agnieszka B. Malinowska, Tatiana Odzijewicz, Delfim F.M.

By Agnieszka B. Malinowska, Tatiana Odzijewicz, Delfim F.M. Torres

ISBN-10: 3319147552

ISBN-13: 9783319147550

ISBN-10: 3319147560

ISBN-13: 9783319147567

This short offers a common unifying standpoint at the fractional calculus. It brings jointly result of a number of contemporary methods in generalizing the least motion precept and the Euler–Lagrange equations to incorporate fractional derivatives.

The dependence of Lagrangians on generalized fractional operators in addition to on classical derivatives is taken into account besides nonetheless extra normal difficulties within which integer-order integrals are changed by means of fractional integrals. basic theorems are bought for various kinds of variational difficulties for which contemporary effects constructed within the literature may be received as specific instances. specifically, the authors provide invaluable optimality stipulations of Euler–Lagrange sort for the basic and isoperimetric difficulties, transversality stipulations, and Noether symmetry theorems. The lifestyles of strategies is validated less than Tonelli sort stipulations. the consequences are used to turn out the life of eigenvalues and corresponding orthogonal eigenfunctions of fractional Sturm–Liouville problems.

Advanced tools within the Fractional Calculus of adaptations is a self-contained textual content as a way to be important for graduate scholars wishing to profit approximately fractional-order platforms. The specified causes will curiosity researchers with backgrounds in utilized arithmetic, regulate and optimization in addition to in definite components of physics and engineering.

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Extra resources for Advanced Methods in the Fractional Calculus of Variations

Sample text

2 Fractional Embedding of Euler–Lagrange Equations Dμβ,α [∂1 F] = ∂2 F. 15) D−μ [∂1 F] = ∂2 F. Readers can easily notice that, in general, there is a difference between Eqs. , they are not coherent. Cresson claimed (Cresson 2007) that this lack of coherence has the following sources: • the set of variations in the method of variational principle is to large and therefore it does not give correct answer; one should find the corresponding constraints for the variations; • there is a relation between lack of coherence and properties of the operator used to generalize the classical derivative.

Tn ) dτ =: ti Ibαi i [ f ](t), ti for Pi = ai , ti , bi , 0, 1 . The standard left- and right-sided Riemann–Liouville and Caputo partial fractional derivatives with respect to ith variable ti are received by 1 choosing the kernel kiα (ti , τ ) = Γ (1−α (ti − τ )−αi . If Pi = ai , ti , bi , 1, 0 , then i) 20 2 Fractional Calculus ∂ 1 A Pi [ f ](t) = Γ (1 − αi ) ∂ti ti (ti − τ )−αi f (t1 , . . , ti−1 , τ , ti+1 , . . , tn ) dτ ai =: ai Dtαi i [ f ](t), 1 B Pi [ f ](t) = Γ (1 − αi ) ti (ti − τ )−αi ai ∂ f (t1 , .

Springer, London Cresson J (2007) Fractional embedding of differential operators and Lagrangian systems. J Math Phys 48(3):033504, 34 pp Cresson J, Darses S (2007) Stochastic embedding of dynamical systems. J Math Phys 48(7):072703, 54 pp Cresson J, Frederico GSF, Torres DFM (2009) Constants of motion for non-differentiable quantum variational problems. Topol Methods Nonlinear Anal 33(2):217–231 Dacorogna B (2004) Introduction to the calculus of variations. Translated from the 1992 French original.

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Advanced Methods in the Fractional Calculus of Variations by Agnieszka B. Malinowska, Tatiana Odzijewicz, Delfim F.M. Torres


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