Збережено в:
| Автори: | , |
|---|---|
| Формат: | Preprint |
| Опубліковано: |
2020
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| Предмети: | |
| Онлайн доступ: | https://arxiv.org/abs/2004.12815 |
| Теги: |
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Зміст:
- We consider a stochastic perturbation of the classical Lorenz system in the range of parameters for which the origin is the global attractor. We show that adding noise in the last component causes a transition from a unique to exactly two ergodic invariant measures. The bifurcation threshold depends on the strength of the noise: if the noise is weak, the only invariant measure is Gaussian, while strong enough noise causes the appearance of a second ergodic invariant measure.