Positive critical infection-rate conjecture for dynamical long-range percolation
Positive critical infection-rate conjecture for dynamical long-range percolation
Let be the edge set, and let and be the edge-update speeds and edge probabilities. Assume that they satisfy the existence assumption. Let be the critical infection rate, with update parameter and percolation parameter .
Positive critical-rate conjecture. For every and ,
Thus the model should have a subcritical phase for every choice of the update speed and percolation parameter. The discussion explains that standard branching-process comparisons may fail on locally finite random graphs with unbounded degree, so positivity of the critical rate is not automatic; the conjecture remains open in the stated generality.
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Sources & referencesView supporting material
Primary source
Marco Seiler and Anja Sturm, “Contact process on a dynamical long range percolation”, arXiv:2210.08907 (2023).
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