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Time delay induced stochastic resonance in one species competition ecosystem without a periodic signal. (English) Zbl 1247.92050

Summary: A one-species competition ecosystem with noise and time delay was investigated as not driven by a periodic force. The results show that the time delay is responsible for stochastic resonance of the system as the delay time is smaller than the critical point of the Hopf bifurcation.

MSC:

92D40 Ecology
34F15 Resonance phenomena for ordinary differential equations involving randomness
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