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Ornstein isomorphism theorem information


In mathematics, the Ornstein isomorphism theorem is a deep result in ergodic theory. It states that if two Bernoulli schemes have the same Kolmogorov entropy, then they are isomorphic.[1][2] The result, given by Donald Ornstein in 1970, is important because it states that many systems previously believed to be unrelated are in fact isomorphic; these include all finite stationary stochastic processes, including Markov chains and subshifts of finite type, Anosov flows and Sinai's billiards, ergodic automorphisms of the n-torus, and the continued fraction transform.

  1. ^ Ornstein, Donald (1970). "Bernoulli shifts with the same entropy are isomorphic". Advances in Mathematics. 4 (3): 337–352. doi:10.1016/0001-8708(70)90029-0.
  2. ^ Donald Ornstein, "Ergodic Theory, Randomness and Dynamical Systems" (1974) Yale University Press, ISBN 0-300-01745-6

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Ornstein isomorphism theorem

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In mathematics, the Ornstein isomorphism theorem is a deep result in ergodic theory. It states that if two Bernoulli schemes have the same Kolmogorov entropy...

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operator, which may be used to study Bernoulli schemes. The Ornstein isomorphism theorem shows that Bernoulli shifts are isomorphic when their entropy...

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limit to the predictability of the system Maximal ergodic theorem Ornstein isomorphism theorem Statistical mechanics Symbolic dynamics Reed, Michael; Simon...

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Markov chain

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states is known as a Bernoulli process. Note, however, by the Ornstein isomorphism theorem, that every aperiodic and irreducible Markov chain is isomorphic...

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deterministic, and the other being a moving average process. The Ornstein isomorphism theorem states that every stationary stochastic process is equivalent...

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the isomorphism of dynamical systems. The question long defied analysis, but was finally and completely answered with the Ornstein isomorphism theorem. This...

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distinction to the Bernoulli automorphism. In particular, the Ornstein isomorphism theorem does not apply to K-systems, and so the entropy is not sufficient...

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List of theorems

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Orlicz–Pettis theorem (functional analysis) Ornstein theorem (ergodic theory) Oseledec theorem (ergodic theory) Osterwalder–Schrader theorem (physics) Ostrowski's...

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an open problem. Countable discrete amenable groups obey the Ornstein isomorphism theorem. Finite groups are amenable. Use the counting measure with the...

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is generated by a partition into k {\displaystyle k} subsets. Ornstein isomorphism theorem (Chapter 6 ). Let ( X , T ) {\displaystyle \textstyle (X,T)}...

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1007/BF02810577. ISSN 0021-2172. Theorem 6.1 Ornstein, Donald S.; Weiss, Benjamin (1987). "Entropy and isomorphism theorems for actions of amenable groups"...

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volume integral of the direct correlation function c(r), as defined by the Ornstein-Zernike equation. This length scale grows appreciably with decreasing temperature...

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