Séminaire Géométrie Topologie Dynamique
Universal gaps between Lyapunov exponents in noisy systems
26
sept. 2024
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Intervenant : Anthony Quas
Institution : University of Victoria
Heure : 14h00 - 15h00
Lieu : 2L8

Fix an arbitrary sequence of real d*d matrices (A_n), each of norm at most 1 and perturb the entries by independent N(0,epsilon) noise. We consider the gaps between Lyapunov exponents, and show that there are universal lower bounds on the gaps, depending only on the dimension d and the amplitude of the noise.

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