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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Forest fires and coagulation-deletion processes

## Forest fires and coagulation-deletion processesAdd to your list(s) Download to your calendar using vCal - Martin, JB (University of Oxford)
- Thursday 15 August 2013, 14:30-15:15
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact Mustapha Amrani. Stochastic Processes in Communication Sciences Consider the following extension of the Erdos-Renyi random graph process; in a graph on $n$ vertices, each edge arrives at rate 1, but also each vertex is struck by lightning at rate $lambda$, in which case all the edges in its connected component are removed. Such a “mean-field forest fire” model was introduced by Rath and Toth. For appropriate ranges of $lambda$, the model exhibits self-organised criticality. We investigate scaling limits, involving a multiplicative coalescent with an added “deletion” mechanism. I’ll mention a few other related models, including epidemic models and “frozen percolation” processes. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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