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Tail fields generated by symbol counts in measure-preserving systems

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Petersen K., Thouvenot J.-P.

Colloquium Mathematicum

2004

tom 101

nr 1

9-23

A finite-state stationary process is called (one- or two-sided) super-K if its (one- or two-sided) super-tail field-generated by keeping track of (initial or central) symbol counts as well as of arbitrarily remote names-is trivial. We prove that for every process (α,T) which has a direct Bernoulli factor there is a generating partition β whose one-sided super-tail equals the usual one-sided tail of β. Consequently, every K-process with a direct Bernoulli factor has a one-sided super-K generator. (This partially answers a question of Petersen and Schmidt.)

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1 Colloquium Mathematicum

1 Petersen K.

1 Thouvenot J.-P.

1 2004

Wyniki wyszukiwania

Tail fields generated by symbol counts in measure-preserving systems