Probability and Mathematical Physics Seminar

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How is it that natural systems---such as tectonic plates, snow slopes, and financial markets---maintain critical-like states despite no external tuning? I'll go through Bak, Tang, and Wiesenfeld's influential theory of self-organized criticality and then describe our solutions to some long-standing conjectures via the Activated Random Walk model. Joint with Chris Hoffman, Toby Johnson, and Josh Meisel.