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Equivalence of a mixing condition and the LSI in spin systems with infinite range interaction
Probability · Submitted 15 Oct 2014
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that this decay of correlations is equivalent to the Dobrushin-Shlosman mixing condition.
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We investigate unbounded continuous spin-systems with infinite-range interactions. We develop a new technique for deducing decay of correlations from a uniform Poincar\'e inequality based on a directional Poincar\'e inequality, which we derive through an averaging procedure. We show that this decay of correlations is equivalent to the Dobrushin-Shlosman mixing condition. With this, we also state and provide a partial answer to a conjecture regarding the relationship between the relaxation rates of non-ferromagnetic and ferromagnetic systems. Finally, we show that for a symmetric, ferromagnetic system with zero boundary conditions, a weaker decay of correlations can be bootstrapped.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We investigate unbounded continuous spin-systems with infinite-range interactions. | background 0.80 | 0.60 | 0.02 | asserted 0.67 |
| s1 | We develop a new technique for deducing decay of correlations from a uniform Poincar\'e inequality based on a directional Poincar\'e inequality, which we derive through an averaging procedure. | method 0.82 | 0.97 | 0.08 | asserted 1.00 |
| s2 | We show that this decay of correlations is equivalent to the Dobrushin-Shlosman mixing condition. | result 1.00 | 0.95 | 0.67 | asserted 1.00 |
| s3 | With this, we also state and provide a partial answer to a conjecture regarding the relationship between the relaxation rates of non-ferromagnetic and ferromagnetic systems. | contribution 0.59 | 0.92 | 0.10 | asserted 0.83 |
| s4 | Finally, we show that for a symmetric, ferromagnetic system with zero boundary conditions, a weaker decay of correlations can be bootstrapped. | result 0.95 | 0.94 | 0.09 | asserted 1.00 |
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Original abstract
We investigate unbounded continuous spin-systems with infinite-range interactions. We develop a new technique for deducing decay of correlations from a uniform Poincar\'e inequality based on a directional Poincar\'e inequality, which we derive through an averaging procedure. We show that this decay of correlations is equivalent to the Dobrushin-Shlosman mixing condition. With this, we also state and provide a partial answer to a conjecture regarding the relationship between the relaxation rates of non-ferromagnetic and ferromagnetic systems. Finally, we show that for a symmetric, ferromagnetic system with zero boundary conditions, a weaker decay of correlations can be bootstrapped.
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