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Related papers: Delta-Nabla Isoperimetric Problems

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We prove a necessary optimality condition for isoperimetric problems under nabla-differentiable curves. As a consequence, the recent results of [M.R. Caputo, A unified view of ostensibly disparate isoperimetric variational problems, Appl.…

Optimization and Control · Mathematics 2009-05-21 Ricardo Almeida , Delfim F. M. Torres

We study more general variational problems on time scales. Previous results are generalized by proving necessary optimality conditions for (i) variational problems involving delta derivatives of more than the first order, and (ii) problems…

Optimization and Control · Mathematics 2007-05-23 Rui A. C. Ferreira , Delfim F. M. Torres

We present a unified treatment to control problems on an arbitrary time scale by introducing the study of forward-backward optimal control problems. Necessary optimality conditions for delta-nabla isoperimetric problems are proved, and…

Optimization and Control · Mathematics 2011-10-17 Ewa Girejko , Agnieszka B. Malinowska , Delfim F. M. Torres

We develop the calculus of variations on time scales for a functional that is the composition of a certain scalar function with the delta and nabla integrals of a vector valued field. Euler-Lagrange equations, transversality conditions, and…

Optimization and Control · Mathematics 2013-06-13 Monika Dryl , Delfim F. M. Torres

We prove the Euler-Lagrange delta-differential equations for problems of the calculus of variations on arbitrary time scales with delta-integral functionals depending on higher-order delta derivatives.

Optimization and Control · Mathematics 2010-10-05 Rui A. C. Ferreira , Agnieszka B. Malinowska , Delfim F. M. Torres

We prove Euler-Lagrange and natural boundary necessary optimality conditions for problems of the calculus of variations which are given by a composition of nabla integrals on an arbitrary time scale. As an application, we get optimality…

Optimization and Control · Mathematics 2011-09-27 Agnieszka B. Malinowska , Delfim F. M. Torres

We prove a necessary optimality condition of Euler-Lagrange type for variational problems on time scales involving nabla derivatives of higher-order. The proof is done using a new and more general fundamental lemma of the calculus of…

Optimization and Control · Mathematics 2009-11-13 Natalia Martins , Delfim F. M. Torres

We prove a necessary optimality condition for isoperimetric problems on time scales in the space of delta-differentiable functions with rd-continuous derivatives. The results are then applied to Sturm-Liouville eigenvalue problems on time…

Optimization and Control · Mathematics 2012-11-06 Rui A. C. Ferreira , Delfim F. M. Torres

In this work we propose a new and more general approach to the calculus of variations on time scales that allows to obtain, as particular cases, both delta and nabla results. More precisely, we pose the problem of minimizing or maximizing…

Optimization and Control · Mathematics 2010-08-30 Ewa Girejko , Agnieszka B. Malinowska , Delfim F. M. Torres

The fundamental problem of the calculus of variations on time scales concerns the minimization of a delta-integral over all trajectories satisfying given boundary conditions. In this paper we prove the second Euler-Lagrange necessary…

Optimization and Control · Mathematics 2011-02-22 Zbigniew Bartosiewicz , Natalia Martins , Delfim F. M. Torres

The discrete-time, the quantum, and the continuous calculus of variations have been recently unified and extended. Two approaches are followed in the literature: one dealing with minimization of delta integrals; the other dealing with…

Optimization and Control · Mathematics 2010-05-25 Agnieszka B. Malinowska , Delfim F. M. Torres

We prove necessary optimality conditions of Euler-Lagrange type for generalized problems of the calculus of variations on time scales with a Lagrangian depending not only on the independent variable, an unknown function and its delta…

Optimization and Control · Mathematics 2011-05-02 Natalia Martins , Delfim F. M. Torres

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

We prove necessary optimality conditions for problems of the calculus of variations on time scales with a Lagrangian depending on the free end-point.

Optimization and Control · Mathematics 2010-09-21 Agnieszka B. Malinowska , Delfim F. M. Torres

We prove optimality conditions for different variational functionals containing left and right Caputo fractional derivatives. A sufficient condition of minimization under an appropriate convexity assumption is given. An Euler-Lagrange…

Optimization and Control · Mathematics 2010-10-06 Ricardo Almeida , Delfim F. M. Torres

We prove a necessary optimality condition of Euler--Lagrange type for the calculus of variations with Omega derivatives, which turns out to be sufficient under jointly convexity of the Lagrangian.

Optimization and Control · Mathematics 2026-01-21 Márcia Lemos-Silva , Delfim F. M. Torres

We introduce a discrete-time fractional calculus of variations. First and second order necessary optimality conditions are established. Examples illustrating the use of the new Euler-Lagrange and Legendre type conditions are given. They…

Optimization and Control · Mathematics 2010-10-28 Nuno R. O. Bastos , Rui A. C. Ferreira , Delfim F. M. Torres

We give a proper fractional extension of the classical calculus of variations. Necessary optimality conditions of Euler-Lagrange type for variational problems containing both classical and fractional derivatives are proved. The fundamental…

Optimization and Control · Mathematics 2012-02-28 Tatiana Odzijewicz , Delfim F. M. Torres

We prove Euler-Lagrange type equations and transversality conditions for generalized infinite horizon problems of the calculus of variations on time scales. Here the Lagrangian depends on the independent variable, an unknown function and…

Optimization and Control · Mathematics 2013-01-31 Monika Dryl , Delfim F. M. Torres

We study a multiobjective variational problem on time scales. For this problem, necessary and sufficient conditions for weak local Pareto optimality are given. We also prove a necessary optimality condition for the isoperimetric problem…

Optimization and Control · Mathematics 2009-09-18 Agnieszka B. Malinowska , Delfim F. M. Torres
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