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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2511.09692 |
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Table of Contents:
- We show that for non-degenerate $k$-Markovian random fields with finite state space over a bounded degree graph with exponential growth rate $θ$ uniform $ϕ$-mixing with exponential decay rate $λ> 3θ$ implies uniform $ψ$-mixing with exponential decay rate $(λ- 3θ)/9$. As an application we obtain exponential $ψ$-mixing for Gibbs fields on regular trees arising from finite range potentials such as the Ising model at low inverse temperature or the Potts model with sufficiently many spin states.