English

The Parisi ultrametricity conjecture

Probability 2015-03-03 v2

Abstract

In this paper we prove that the support of a random measure on the unit ball of a separable Hilbert space that satisfies the Ghirlanda-Guerra identities must be ultrametric with probability one. This implies the Parisi ultrametricity conjecture in mean-field spin glass models, such as the Sherrington-Kirkpatrick and mixed pp-spin models, for which Gibbs' measures are known to satisfy the Ghirlanda-Guerra identities in the thermodynamic limit.

Keywords

Cite

@article{arxiv.1112.1003,
  title  = {The Parisi ultrametricity conjecture},
  author = {Dmitry Panchenko},
  journal= {arXiv preprint arXiv:1112.1003},
  year   = {2015}
}

Comments

arXiv admin note: text overlap with arXiv:1108.0379

R2 v1 2026-06-21T19:46:30.246Z