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On t-entropy and variational principle for the spectral radius of weighted shift operators

Published online by Cambridge University Press:  24 November 2009

V. I. BAKHTIN
V. I. BAKHTIN*
Affiliation:
Department of Mechanics and Mathematics, Belarus State University, Nezavisimosty av. 4, Minsk 220050, Belarus (email: [email protected])
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Abstract

In this paper we introduce a new functional invariant of discrete time dynamical systems—the so-called t-entropy. The main result is that this t-entropy is the Legendre dual functional to the logarithm of the spectral radius of the weighted shift operator on L1(X,m) generated by the dynamical system. This result is called the variational principle and is similar to the classical variational principle for the topological pressure.

Type
Research Article
Information
Ergodic Theory and Dynamical Systems , Volume 30 , Issue 5 , October 2010 , pp. 1331 - 1342
Copyright
Copyright © Cambridge University Press 2009

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References

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