A Feller diffusion in a finite interval with state-dependent diffusivity exhibits asymmetric escape, with inhomogeneous noise biasing trajectories toward the high-diffusivity outbreak boundary even from symmetric initial conditions.
The result is consistent to the stationary PDF as shown in Fig
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Feller diffusion in an interval: Inhomogeneous fluctuation-induced asymmetric escape
A Feller diffusion in a finite interval with state-dependent diffusivity exhibits asymmetric escape, with inhomogeneous noise biasing trajectories toward the high-diffusivity outbreak boundary even from symmetric initial conditions.