Large deviations for the multi-type branching process in random environment
Thi Trang Nguyen  1@  
1 : Laboratoire de Mathématiques de Bretagne Atlantique
Université de Bretagne Sud

We consider a multitype branching process $(Z_n)_{n \geq 0}$ in a random environment, we will establish a precise upper large deviation, i.e. $\bb P [\| Z_n \| > e^{nq} ]$ as $n \rightarrow \infty $. 


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