scholarly journals Relaxation of optimal control problems driven by nonlinear evolution equations

2020 ◽  
Vol 9 (4) ◽  
pp. 1027-1040
Author(s):  
Leszek Gasiński ◽  
◽  
Nikolaos S. Papageorgiou ◽  
1995 ◽  
Vol 1 (1) ◽  
pp. 27-36
Author(s):  
N. Papageorgiou

Using the Dubovitskii-Milyutin theory we derive necessary and sufficient conditions for optimality for a class of Lagrange optimal control problems monitored by a nonlinear evolution equation and involving initial and/or terminal constraints. An example of a parabolic control system is also included.


1993 ◽  
Vol 6 (2) ◽  
pp. 123-135 ◽  
Author(s):  
N. U. Ahmed ◽  
Sebti Kerbal

In this paper we study the optimal control of systems governed by second order nonlinear evolution equations. We establish the existence of optimal solutions for Lagrange problem.


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