Abstract
We obtain bounds to show that the pressure of a two-body, mean-field spin glass is a Lipschitz function of the underlying distribution of the random coupling constants, with respect to a particular semi-norm. This allows us to re-derive a result of Carmona and Hu, on the universality of the SK model, by a different proof, and to generalize this result to the Viana–Bray model. We also prove another bound, suitable when the coupling constants are not independent, which is what is necessary if one wants to consider “canonical” instead of “grand canonical” versions of the SK and Viana–Bray models. Finally, we review Viana–Bray type models, using the language of Lévy processes, which is natural in this context.
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Starr, S., Vermesi, B. Some Observations for Mean-Field Spin Glass Models. Lett Math Phys 83, 281–303 (2008). https://doi.org/10.1007/s11005-008-0224-0
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DOI: https://doi.org/10.1007/s11005-008-0224-0