We relate ergodicity, monotonicity and attractors of a random dynamical system (rds). Our first result states that an rds which is both monotone and ergodic has a weak random attractor which consists of a single point. Then we show that ergodicity alone is insufficient for the existence of a weak random attractor. In particular we present an rds in ℝd, d ≥ 2 namely an isotropic Brownian flow with drift, whose single-point motion is an ergodic diffusion process and which does not have a weak attractor. It seems that this is the first example of this kind in the literature.
CITATION STYLE
Scheutzow, M. (2008). Attractors for Ergodic and Monotone Random Dynamical Systems. In Progress in Probability (Vol. 59, pp. 331–344). Birkhauser. https://doi.org/10.1007/978-3-7643-8458-6_18
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