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math.PR2026
A correlation bound for the one-dimensional heterogeneous Ising model
Edward Athaide, Maciej GÅuchowski, Jonas Köppl +1
We derive a new upper bound for the correlations in a heterogeneous one-dimensional Ising model with free boundary conditions. The new upper bound quantifies the simultaneous decay…
math.PR2025
Time-periodic behaviour in one- and two-dimensional interacting particle systems
Jonas Köppl, Benedikt Jahnel
We provide a class of examples of interacting particle systems on , for , that admit a unique translation-invariant stationary measure, which is not the…