Survival in Locally and Globally Changing Environments

R.B. Schinazi

2016, v.22, №4, 807-814

ABSTRACT

We consider branching like models in local, global and fixed environments. We show that survival is more likely in a locally changing environment than in a fixed environment and that survival in a fixed environment is itself more likely than in a globally changing environment.

Keywords: branching process, random environment

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