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On Duffing equation with random perturbations. (English) Zbl 1218.34067

The authors consider a family of particles, each having a given initial position and velocity, evolving subject to a Duffing equation with random perturbations at random times. Sufficient conditions are given under which the sample paths are almost identical after a long time.

MSC:

34F05 Ordinary differential equations and systems with randomness
34C15 Nonlinear oscillations and coupled oscillators for ordinary differential equations
60H10 Stochastic ordinary differential equations (aspects of stochastic analysis)