Abstract
This paper is concerned with finding periodic solutions of differential delay systems x′(t) = Σn-1i=1 f(x(t - ri)) and x′(t) = Σn-1i=1 f(x(t - ri)) where ri (i = 1, 2, ⋯, n - 1) are positive constants. By using the theory of Hamiltonian systems, we obtain some sufficient conditions under which these systems have many periodic solutions with known periods.
Original language | English |
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Pages (from-to) | 377-390 |
Number of pages | 14 |
Journal | Bulletin of the Australian Mathematical Society |
Volume | 60 |
Issue number | 3 |
DOIs | |
Publication status | Published - Dec 1999 |
Externally published | Yes |