| Título: | Stein's Method for Dependent Random Variables Occuring in Statistical Mechanics |
| Autores: |
Eichelsbacher, Peter; Ruhr University of Bochum Loewe, Matthias; University of Muenster |
| Fecha: | 2010-01-01 |
| Publicador: | Electronic journal of probability |
| Fuente: |
 |
| Tipo: |
Peer-reviewed Article |
| Tema: |
Berry-Esseen bound, Stein's method, exchangeable pairs, Curie Weiss models, critical temperature, GHS-inequality 60F05, 82B20, 82B26 |
| Descripción: | We develop Stein's method for exchangeable pairs for a rich class of distributional approximations including the Gaussian distributions as well as the non-Gaussian limit distributions. As a consequence we obtain convergence rates in limit theorems of partial sums for certain sequences of dependent, identically distributed random variables which arise naturally in statistical mechanics, in particular in the context of the Curie-Weiss models. Our results include a Berry-Esseen rate in the Central Limit Theorem for the total magnetization in the classical Curie-Weiss model, for high temperatures as well as at the critical temperature, where the Central Limit Theorem fails. Moreover, we analyze Berry-Esseen bounds as the temperature converges to one and obtain a threshold for the speed of this convergence. Single spin distributions satisfying the Griffiths-Hurst-Sherman (GHS) inequality like models of liquid helium or continuous Curie-Weiss models are considered. |
| Idioma: | No aplica |
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