Abstract
The contact process has the same birth and death rates as the branching random walk of the preceding chapter. The difference between the two models is that there is at most one particle per site for the contact process. The one particle per site condition makes offsprings of different particles dependent (unlike what happens for branching models). Exact computations become impossible. However, branching models are used to analyze the contact process.
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Schinazi, R.B. (2014). The Contact Process on a Homogeneous Tree. In: Classical and Spatial Stochastic Processes. Birkhäuser, New York, NY. https://doi.org/10.1007/978-1-4939-1869-0_13
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DOI: https://doi.org/10.1007/978-1-4939-1869-0_13
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