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Eindhoven Stochastics Seminar

Nov 30, 2016, 15:45 - 16:45

Rob van den Berg

Near-critical and frozen percolation

Motivated by sol-gel transitions, David Aldous (2000) introduced and analysed a fascinating dynamic percolation model on a tree where clusters stop growing (`freeze’) as soon as they become infinite.

In this talk I will discuss recent and ongoing work (with Demeter Kiss and Pierre Nolin) on processes of similar flavour on planar lattices. We focus on the question whether the giant (i.e. `frozen’) clusters occupy a negligible, moderate or very large fraction of space. A related question is whether microscopic `trapped’ regions occur. It turns out that the behaviour is very different from that for trees. Accurate results for near-critical percolation play an important role in the analysis.


Nov 30, 2016
15:45 - 16:45
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