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A criterion for transience of multidimensional branching random walk in random environment

Authors
  • Müller, Sebastian
Type
Published Article
Publication Date
May 14, 2007
Submission Date
May 14, 2007
Identifiers
arXiv ID: 0705.1874
Source
arXiv
License
Unknown
External links

Abstract

We develop a criterion for transience for a general model of branching Markov chains. In the case of multi-dimensional branching random walk in random environment (BRWRE) this criterion becomes explicit. In particular, we show that \emph{Condition L} of Comets and Popov is necessary and sufficient for transience as conjectured. Furthermore, the criterion applies to two important classes of branching random walks and implies that the critical branching random walk is transient resp. dies out locally.

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