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On some threshold-one attractive interacting particle systems on homogeneous trees
- Part of
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- Journal:
- Journal of Applied Probability / Volume 57 / Issue 3 / September 2020
- Published online by Cambridge University Press:
- 04 September 2020, pp. 866-898
- Print publication:
- September 2020
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- Article
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We consider the threshold-one contact process, the threshold-one voter model and the threshold-one voter model with positive spontaneous death on homogeneous trees
$\mathbb{T}_d$
, 
$d\ge 2$
. Mainly inspired by the corresponding arguments for the contact process, we prove that the complete convergence theorem holds for these three systems under strong survival. When the system survives weakly, complete convergence may also hold under certain transition and/or initial conditions.
