%0 Journal Article
%T Entropy Rate for Hidden Markov Chains with rare transitions
%A Yuval Peres
%A Anthony Quas
%J Mathematics
%D 2010
%I arXiv
%X We consider Hidden Markov Chains obtained by passing a Markov Chain with rare transitions through a noisy memoryless channel. We obtain asymptotic estimates for the entropy of the resulting Hidden Markov Chain as the transition rate is reduced to zero.
%U http://arxiv.org/abs/1012.2086v1