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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 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 establish Euler-Lagrange equations for a problem of Calculus of variations where the unknown variable contains a term of delay on a segment.

Optimization and Control · Mathematics 2017-03-31 Joël Blot , Mamadou Ibrahima Koné

We study problems of the calculus of variations and optimal control within the framework of time scales. Specifically, we obtain Euler-Lagrange type equations for both Lagrangians depending on higher order delta derivatives and…

Optimization and Control · Mathematics 2010-07-30 Rui A. C. Ferreira

We prove necessary optimality conditions of Euler-Lagrange type for a problem of the calculus of variations with time delays, where the delay in the unknown function is different from the delay in its derivative. Then, a more general…

Optimization and Control · Mathematics 2014-07-24 Mohammed Benharrat , 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 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 review the recent generalized fractional calculus of variations. We consider variational problems containing generalized fractional integrals and derivatives and study them using indirect methods. In particular, we provide necessary…

Optimization and Control · Mathematics 2014-05-13 Tatiana Odzijewicz , Delfim F. M. Torres

In the present paper, several types of efficiency conditions are established for vector optimization problems with cone constraints affected by uncertainty, but with no information of stochastic nature about the uncertain data. Following a…

Optimization and Control · Mathematics 2021-02-01 Amos Uderzo

We obtain Euler-Lagrange and transversality optimality conditions for higher-order infinite horizon variational problems on a time scale. The new necessary optimality conditions improve the classical results both in the continuous and…

Optimization and Control · Mathematics 2012-11-13 Natalia Martins , Delfim F. M. Torres

Whereas in a coordinate-dependent setting the Euler-Lagrange equations establish necessary conditions for solving variational problems in which both the integrands of functionals and the resulting paths are assumed to be sufficiently…

Optimization and Control · Mathematics 2022-11-15 Gregory S. Chirikjian

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 study of problems of the calculus of variations with compositions is a quite recent subject with origin in dynamical systems governed by chaotic maps. Available results are reduced to a generalized Euler-Lagrange equation that contains…

Optimization and Control · Mathematics 2007-10-04 Gastao S. F. Frederico , Delfim F. M. Torres

The aim of this paper is to bring together a new type of quantum calculus, namely $p $-calculus, and variational calculus. We develop $p $-variational calculus and obtain a necessary optimality condition of Euler-Lagrange type and a…

General Mathematics · Mathematics 2020-03-17 İlker Gençtürk

We study dynamic minimization problems of the calculus of variations with generalized Lagrangian functionals that depend on a general linear operator $K$ and defined on bounded-time intervals. Under assumptions of regularity, convexity and…

Optimization and Control · Mathematics 2014-05-08 Loïc Bourdin , Tatiana Odzijewicz , Delfim F. M. Torres

The problem of minimizing an integral functional of a vector-valued Lagrangian on a set of admissible arcs with given endpoints is considered. The problem is tackled by embedding it into a set-optimization problem such that the image space…

Optimization and Control · Mathematics 2021-06-28 D. Visetti , F. Heyde

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

Optimality conditions in the form of a variational inequality are proved for a class of constrained optimal control problems of stochastic differential equations. The cost function and the inequality constraints are functions of the…

Optimization and Control · Mathematics 2018-02-13 Laurent Pfeiffer

We obtain a generalized Euler-Lagrange differential equation and transversality optimality conditions for Herglotz-type higher-order variational problems. Illustrative examples of the new results are given.

Optimization and Control · Mathematics 2014-12-12 Simao P. S. Santos , Natalia Martins , Delfim F. M. Torres

We approach uncertainty principles of Cowling-Price-Heis-\\enberg-type as a variational principle on modulation spaces. In our discussion we are naturally led to compact localization operators with symbols in modulation spaces. The optimal…

Functional Analysis · Mathematics 2023-03-21 Nuno Costa Dias , Franz Luef , João Nuno Prata
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