## Concentration of Broadcast Models on Trees

21 Aug 2019  ·  Shriver Christopher ·

An inequality of K. Marton shows that the joint distribution of a Markov chain with uniformly contracting transition kernels exhibits concentration. We prove an analogous inequality for broadcast models on finite trees... We use this inequality to develop a condition for the sequence of depth-$k$ marginals of a broadcast model on a rooted infinite tree to form a normal L\'{e}vy family in terms of the Lipschitz constants of the transition kernels and the growth rate of the tree. read more

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