Analysis, Geometry, and Dynamical Systems Seminar   RSS

Planned sessions

14/05/2019, 15:00 — 16:00 — Room P3.10, Mathematics BuildingInstituto Superior Técnico
Conrado Costa, Leiden University

Random walks in cooling random environments: stable and unstable behaviors under regular diverging cooling maps

Random Walks in Cooling Random Environments (RWCRE), a model introduced by L. Avena, F. den Hollander, is a dynamic version of Random Walk in Random Environment (RWRE) in which the environment is fully resampled along a sequence of deterministic times, called refreshing times. In this talk I will consider effects of the ressampling map on the fluctuations associated with the annealed law and the Large Deviation principle under the quenched measure. I conclude clarifying the paradox of different fluctuations and identical LDP for RWCRE and RWRE. This is a joint work with L. Avena, Y. Chino, and F. den Hollander.

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