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arxiv: 0901.4616 · v1 · submitted 2009-01-29 · 🧮 math.PR · math.GR

Is the critical percolation probability local?

classification 🧮 math.PR math.GR
keywords criticalpercolationprobabilityconjectured-regularanaloguecaseclose
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We show that the critical probability for percolation on a d-regular non-amenable graph of large girth is close to the critical probability for percolation on an infinite d-regular tree. This is a special case of a conjecture due to O. Schramm on the locality of p_c. We also prove a finite analogue of the conjecture for expander graphs.

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