Stability and collapse of Oseledets spectrum for Perron-Frobenius cocycles

April 16, 2020 6:00pm UTC

April 16, 2020 2:00pm UTC -04 (Host local time)

Speaker: Anthony Quas (University of Victoria) - Hosted by University of Maryland

Abstract:
It is known, by work of Bochi, Ma~n'e, Viana and others that Lyapunov exponents are highly sensitive to perturbations of a dynamical system. On the other hand, work of Ledrappier, Young and my work with Froyland and Gonz'alez-Tokman has shown that in some situations, under “noise-like” perturbations, Lyapunov exponents vary continuously. (...)