期刊
PROBABILITY THEORY AND RELATED FIELDS
卷 161, 期 3-4, 页码 619-650出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00440-014-0555-y
关键词
Spin glasses; Diluted models; Exchangeability
资金
- NSF Grant
- Direct For Mathematical & Physical Scien
- Division Of Mathematical Sciences [1205781] Funding Source: National Science Foundation
The main result in this paper is motivated by the M,zard-Parisi ansatz which predicts a very special structure for the distribution of spins in diluted mean field spin glass models, such as the random -sat model at positive temperature. Using the fact that one can safely assume the validity of the Ghirlanda-Guerra identities in these models, we prove hierarchical exchangeability of pure states for the asymptotic Gibbs measures, which allows us to apply a representation result for hierarchically exchangeable arrays recently proved in Austin and Panchenko in Probab. Theory Relat. Fields 2013. Comparing this representation with the predictions of the M,zard-Parisi ansatz, one can see that the key property still missing is that the multi-overlaps between pure states depend only on their overlaps.
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