Abstract
We consider branching Markov chains on a countable set. We give a necessary and sufficient condition in terms of the transition kernel of the underlying Markov chain to have two phase transitions. We compute the critical values. We apply this result to prove that asymmetric branching random walks onZ have two phase transitions.
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Schinazi, R. On multiple phase transitions for branching Markov chains. J Stat Phys 71, 507–511 (1993). https://doi.org/10.1007/BF01058434
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DOI: https://doi.org/10.1007/BF01058434