A convergence framework for Airy${}_{\beta }$ line ensemble via pole evolution

Abstract

The Airy${}_{\beta }$ line ensemble is an infinite sequence of random curves. It is a natural extension of the Tracy-Widom${}_{\beta }$ distributions, and is expected to be the universal edge scaling limit of a range of models in random matrix theory and statistical mechanics. In this work, we provide a framework of proving convergence to the Airy${}_{\beta }$ line ensemble, via a characterization through the pole evolution of meromorphic functions satisfying certain stochastic differential equations. Our framework is then applied to prove the universality of the Airy${}_{\beta }$ line ensemble as the edge limit of various continuous time processes, including Dyson Brownian motions with general $\beta$ and potentials, Laguerre processes and Jacobi processes.

64 pages, 1 figure

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