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Random matrices and the New York City subway system
Aukosh Jagannath, Thomas Trogdon · 2017-03-08 · via math.PR updates on arXiv.org

We analyze subway arrival times in the New York City subway system. We find regimes where the gaps between trains exhibit both (unitarily invariant) random matrix statistics and Poisson statistics. The departure from random matrix statistics is captured by the value of the Coulomb potential along the subway route. This departure becomes more pronounced as trains make more stops.

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