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On the approaching time towards the attractor of differential equations perturbed by small noise

by Isabell Vorkastner

Year:

2020

Publication:

Discrete & Continuous Dynamical Systems - B

Abstract:

We estimate the time a point or set, respectively, requires to approach the attractor of a radially symmetric gradient type stochastic differential equation driven by small noise. Here, both of these times tend to infinity as the noise gets small. However, the rates at which they go to infinity differ significantly. In the case of a set approaching the attractor, we use large deviation techniques to show that this time increases exponentially.

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