Periodic solutions to second order nonautonomous differential systems with gyroscopic forces
نویسندگان
چکیده
Keywords: Second order differential systems Saddle point theorem Generalized Ahmad–Lazer–Paul type condition a b s t r a c t Existence of periodic solutions to second order differential systems with gyroscopic forces is considered via variational methods, where a generalized Ahmad–Lazer–Paul type condition is used. We do not impose the condition that the gyroscopic forces are small.
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ورودعنوان ژورنال:
- Appl. Math. Lett.
دوره 24 شماره
صفحات -
تاریخ انتشار 2011