11/16/21 Combinatorics, Physics and Probability Seminar

Speaker: Yinon Spinka (University of British Columbia)

Title: A tale of two balloons

Abstract: From each point of a Poisson point process start growing a balloon at rate 1. When two balloons touch, they pop and disappear. Will balloons reach the origin infinitely often or not? We answer this question for various underlying spaces. En route we find a new(ish) 0-1 law, and generalize bounds on independent sets that are factors of IID on trees.
Joint work with Omer Angel and Gourab Ray.

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