A note on periodic solutions of functional differential equations.
Chang, S.H. (1985)
International Journal of Mathematics and Mathematical Sciences
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Displaying similar documents to “Positive periodic solutions of periodic retarded functional differential equations.”
A note on periodic solutions of functional differential equations.
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In this paper, we are concerned with periodic, quasi-periodic (q.p.) and almost periodic (a.p.) Optimal Control problems. After defining these problems and setting them in an abstract setting by using Abstract Harmonic Analysis, we give some structure results of the set of solutions, and study the relations between periodic and a.p. problems. We prove for instance that for an autonomous concave problem, the a.p. problem has a solution if and only if all problems (periodic with fixed...
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