On the periodic solutions to a type of differential-iterative equations. (English) Zbl 0992.34052
Summary: Sufficient conditions for the existence of periodic solutions to a type of nonautonomous differential-iterative equations are given.
MSC:
| 34K13 | Periodic solutions to functional-differential equations |
| 34C25 | Periodic solutions to ordinary differential equations |
References:
| [1] | Eder, E., The functional equation \(\mathop x\limits^\prime (t) = x(x(t))\), J. Diff. Eqs., 54, 390-390 (1984) · Zbl 0497.34050 · doi:10.1016/0022-0396(84)90150-5 |
| [2] | Ke, Wang, On the equation \(\mathop x\limits^\prime (t) = f(x(x(t)))\), Funk. Ekv., 33, 3, 405-405 (1990) · Zbl 0714.34026 |
| [3] | Hanzhong, Wu, On a type of functional differential equations in which the deviating arguments depend on the state itself, Acta Math. Sinica, 38, 803-803 (1995) · Zbl 0845.34079 |
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