Orateur(s) Carlangelo Liverani - U. Roma Tor Vergata,
Titre Fast-Slow deterministic systems and random processes
Horaire17:00 à 18:00
RésumeClassical averaging theory for fast-slow systems allows to understand the behaviour of such a system for moderately long times. Yet, to understand the dynamics for longer times it is necessary to study the fluctuations around the average. This is a newer subject on which only partial results are known. I will illustrate in an example how a precise knowledge of the fluctuations allows to understand some of the statistical properties of the deterministic system by comparing it with a stochastic differential equation.
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