Probability Seminar

Monday, September 30, 2019 at 4:15pm to 5:15pm

Room : 2 - 147

Featured Speaker :  Amir Dembo (Stanford University)

Title :  Averaging principle and shape theorem for growth with memory

Abstract :  We consider a family of random growth models in n-dimensional space. These models capture certain features expected to manifest at the mesoscopic level for certain self-interacting microscopic dynamics (such as once-reinforced random walk with strong reinforcement and origin-excited random walk). In a joint work with Pablo Groisman, Ruojun Huang and Vladas Sidoravicius, we establish for such models an averaging principle and deduce from it the convergence of the normalized domain boundary, to a limiting shape.
The latter is expressed in terms of the invariant measure of an associated Markov chain.


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prob_sem, aldixon

Department of Mathematics
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