The martingale existence conjecture for attraction-repulsion processes
The martingale existence conjecture for attraction-repulsion processes
Let be an interaction function satisfying the conditions of Theorem 2, and let be finite. A function
should exist such that is a non-negative super-martingale or a bounded sub-martingale with respect to the canonical filtration, and such that for every the condition
implies that the process is within of a trivial state, where as . This would establish the martingale criterion for almost-sure trivialization.
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Sources & referencesView supporting material
Primary source
Elisabetta Cornacchia, Neta Singer and Emmanuel Abbe, “Polarization in Attraction-Repulsion Models”, arXiv:2006.05251 (2020).
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