2 papers
math.PR2020
On transience of frogs on Galton-Watson trees
Sebastian Müller, Gundelinde Maria Wiegel
We consider a random interacting particle system, known as the frog model, on infinite Galton-Watson trees allowing offspring zero and one. The system starts with one awake particl…
math.PR2016
The relation between quenched and annealed Lyapunov exponents in random potential on trees
Gundelinde Wiegel
In the first part of the article our subject of interest is a simple symmetric random walk on the integers which faces a random risk to be killed. This risk is described by random…