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- W4226093693 abstract "For a stochastic single-species model with the Allee effect, we compute the most probable phase portrait (MPPP) using the non-local Fokker-Planck equation. This bistable stochastic model is driven by multiplicative Levy noise as well as white noise. The two fixed points are stable equilibria and one is the unstable state between them. In order to study the biological behavior of species, we focus on the transition pathways from the extinction state to the upper fixed stable state for the transcription factor activator in a single-species model. By calculating the solution of the non-local Fokker-Planck equation corresponding to the population system of the single-species model, the maximum possible path is obtained, and the corresponding maximum possible stable equilibrium state is determined. We also obtain the Onsager-Machlup (OM) function for the stochastic model and solve the corresponding most probable paths. Our numerical simulation shows that: (i) The maximum of the stationary density function is located at the most probable stable equilibrium state when non-Gaussian noise is presented in the system; (ii) When the initial value increases from extinction state to the upper stable state, the most probable trajectories converge to the maximal likely equilibrium state (maximizer), in our case lies between 9 and 10; (iii) As time goes on, the most probable paths increase to stable state quickly, and remain a nearly constant level, then approach to the upper stable equilibrium state. These numerical experiment findings help researchers for further experimental study, in order to achieve good knowledge about dynamic systems in biology." @default.
- W4226093693 created "2022-05-05" @default.
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- W4226093693 date "2021-12-14" @default.
- W4226093693 modified "2023-09-24" @default.
- W4226093693 title "Most Probable Dynamics of the Single-Species with Allee Effect under Jump-diffusion Noise" @default.
- W4226093693 hasPublicationYear "2021" @default.
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