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Simple random walk on supercritical causal maps

Presented by: 
Thomas Budzinski
Monday 16th July 2018 - 14:35 to 14:55
INI Seminar Room 1
We study the simple random walk on supercritical causal maps, obtained from a supercritical Galton-Watson tree by adding at each level a cycle joining neighbour vertices. In particular, we will prove that, if
the underlying tree has no leaf, the simple random walk has almost sure positive speed.

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons