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Exponential Rates of Convergence in the Ergodic Theorem: A Constructive Approach

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Abstract

We prove that, once an algorithm of perfect simulation for a stationary and ergodic random field F taking values in \(S^{\mathbb{Z}^{d}}\), S a bounded subset of R n, is provided, the speed of convergence in the mean ergodic theorem occurs exponentially fast for F. Applications from (non-equilibrium) statistical mechanics and interacting particle systems are presented.

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Correspondence to G. G. Bosco.

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G.G. Bosco is supported by a grant from Capes.

T.L. Ritchie is supported by grants from CNPq and Fapesp.

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Bosco, G.G., Machado, F.P. & Ritchie, T.L. Exponential Rates of Convergence in the Ergodic Theorem: A Constructive Approach. J Stat Phys 139, 367–374 (2010). https://doi.org/10.1007/s10955-010-9945-4

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  • DOI: https://doi.org/10.1007/s10955-010-9945-4

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