Functional Lifting for Variational Problems with Higher-Order Regularization

Author(s):  
Benedikt Loewenhauser ◽  
Jan Lellmann
Mathematics ◽  
2021 ◽  
Vol 9 (14) ◽  
pp. 1665
Author(s):  
Fátima Cruz ◽  
Ricardo Almeida ◽  
Natália Martins

In this work, we study variational problems with time delay and higher-order distributed-order fractional derivatives dealing with a new fractional operator. This fractional derivative combines two known operators: distributed-order derivatives and derivatives with respect to another function. The main results of this paper are necessary and sufficient optimality conditions for different types of variational problems. Since we are dealing with generalized fractional derivatives, from this work, some well-known results can be obtained as particular cases.


2014 ◽  
Vol 11 (04) ◽  
pp. 1450034 ◽  
Author(s):  
Leonardo Colombo ◽  
Pedro Daniel Prieto-Martínez

In this paper, we consider an intrinsic point of view to describe the equations of motion for higher-order variational problems with constraints on higher-order trivial principal bundles. Our techniques are an adaptation of the classical Skinner–Rusk approach for the case of Lagrangian dynamics with higher-order constraints. We study a regular case where it is possible to establish a symplectic framework and, as a consequence, to obtain a unique vector field determining the dynamics. As an interesting application we deduce the equations of motion for optimal control of underactuated mechanical systems defined on principal bundles.


2014 ◽  
Vol 6 (4) ◽  
pp. 451-478 ◽  
Author(s):  
Leonardo Colombo ◽  
◽  
David Martín de Diego ◽  

Author(s):  
P. L. Garcia Pérez ◽  
J. Muñoz Masqué

2013 ◽  
Vol 42 (4) ◽  
pp. 409-419 ◽  
Author(s):  
Simão P. S. Santos ◽  
Natália Martins ◽  
Delfim F. M. Torres

2010 ◽  
Vol 02 (02) ◽  
pp. 138-144
Author(s):  
Iqbal. Husain ◽  
Rumana. G. Mattoo

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