Uniqueness without a hard-core assumption for repulsive Gibbs point processes
Uniqueness without a hard-core assumption for repulsive Gibbs point processes
Let be a pair potential satisfying assumptions (A2) and (A3), with activity and inverse temperature . A Gibbs measure is a probability measure describing the equilibrium distribution of the point process under the potential . Uniqueness conjecture. Under assumptions (A2) and (A3), there is uniqueness of the Gibbs measure when
This would extend the paper's explicit Dobrushin uniqueness region beyond potentials with a hard-core part, including interactions such as the Strauss model. The conjecture is motivated by the fact that, as the discretisation cubes shrink, boundary conditions with more than one point in a cube become increasingly unlikely; deriving the corresponding explicit criterion without the hard-core assumption remains open.
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Sources & referencesView supporting material
Primary source
Pierre Houdebert and Alexander Zass, “An explicit Dobrushin uniqueness region for Gibbs point processes with repulsive interactions”, arXiv:2009.06352 (2021).
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