scholarly journals Component-wise positivity of solutions to periodic boundary problem for linear functional differential system

Author(s):  
Alexander Domoshnitsky ◽  
Robert Hakl ◽  
Jiří Šremr
Author(s):  
Vladimir Petrovich Maksimov

For a linear functional differential system with aftereffect and impulses, a description of the attainability set is given. The attainability is considered in the term of a given system of on-target functionals in the case of polyhedral constraints with respect to control and impulses.


2001 ◽  
Vol 26 (12) ◽  
pp. 737-744 ◽  
Author(s):  
Jong Yeoul Park ◽  
Sang Nam Kang

We consider a class of control systems governed by the neutral functional differential equation with unbounded delay and study the approximate controllability of the system. An example is given to illustrate the result.


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