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Dimension spectra of almost additive sequences

Luis Barreira1 and Paulo Doutor2

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Recommended by L-S Young

We establish a conditional variational principle for the dimension spectra of almost additive sequences, considering simultaneously Birkhoff averages into the future and into the past. Our approach is based on the existence and uniqueness of equilibrium and Gibbs measures for the class of almost additive sequences, in the context of the nonadditive thermodynamic formalism. This formalism is a generalization of the classical thermodynamic formalism, in which the topological pressure of a single function is replaced by the topological pressure of a sequence of functions.


PACS

05.70.Ce Thermodynamic functions and equations of state

02.40.Pc General topology

02.30.Xx Calculus of variations

MSC

37D35 Thermodynamic formalism, variational principles, equilibrium states

80M30 Variational methods

80A10 Classical thermodynamics, including relativistic

82B05 Classical equilibrium statistical mechanics (general)

Subjects

Mathematical physics

Statistical physics and nonlinear systems

Dates

Issue 11 (November 2009)

Received 7 August 2008, in final form 24 September 2009

Published 13 October 2009



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