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Zapiski Nauchnykh Seminarov POMI, 2019, Volume 481, Pages 12–28 (Mi znsl6785)  

This article is cited in 1 scientific paper (total in 1 paper)

The problem of combinatorial encoding of a continuous dynamics and the notion of transfer of paths in graphs

A. M. Vershikabc

a St. Petersburg State University, St. Petersburg, Russia
b Institute for Information Transmission Problems, Moscow, Russia
c St. Petersburg Department of Steklov Institute of Mathematics, St. Petersburg, Russia
Full-text PDF (247 kB) Citations (1)
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Abstract: We introduce the notion of combinatorial encoding of continuous dynamical systems and suggest the first examples, which are the most interesting and important, namely, the combinatorial encoding of a Bernoulli process with continuous state space, e.g., a sequence of i.i.d. random variables with values in the interval with the Lebesgue measure (or a Lebesgue space).
The main idea is to associate with a random object (a trajectory of the random process) a path in an $\mathbb{N}$-graded graph and parametrize it with the vertices of the graph that belong to this path. This correspondence (encoding) is based on the definition of a decreasing sequence of cylinder partitions, and the first problem is to verify whether or not the given combinatorial encoding has the property of distinguishability, which means that our encoding is an isomorphism, or, equivalently, the limit of the increasing sequence of finite partitions is the partition into singletons $\bmod 0$. This is a generalization of the problem of generators in ergodic theory.
The existence of a suitable $\mathbb{N}$-graded graph is equivalent to the so-called standardness of the orbit partition in the sense of the theory of filtrations in measure spaces.
In the last section, we define the notion of a so-called transfer, a transformation of paths in a graded graph, as a generalization of the shift in stationary dynamics.
Key words and phrases: combinatorial encoding, Weyl simplex, standardness, transfer.
Funding agency Grant number
Russian Foundation for Basic Research 17-01-00433_а
Partially supported by the RFBR grant 17-01-00433.
Received: 08.10.2019
Document Type: Article
UDC: 517.987
Language: English
Citation: A. M. Vershik, “The problem of combinatorial encoding of a continuous dynamics and the notion of transfer of paths in graphs”, Representation theory, dynamical systems, combinatorial and algoritmic methods. Part XXX, Zap. Nauchn. Sem. POMI, 481, POMI, St. Petersburg, 2019, 12–28
Citation in format AMSBIB
\Bibitem{Ver19}
\by A.~M.~Vershik
\paper The problem of combinatorial encoding of a continuous dynamics and the notion of transfer of paths in graphs
\inbook Representation theory, dynamical systems, combinatorial and algoritmic methods. Part~XXX
\serial Zap. Nauchn. Sem. POMI
\yr 2019
\vol 481
\pages 12--28
\publ POMI
\publaddr St.~Petersburg
\mathnet{http://mi.mathnet.ru/znsl6785}
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  • https://www.mathnet.ru/eng/znsl/v481/p12
  • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    References:31
     
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