Asymptotics of discrete -corners processes via two-level discrete loop equations
arXiv:1905.02338 · doi:10.2140/pmp.2022.3.247
Abstract
We introduce and study a class of discrete particle ensembles that naturally arise in connection with classical random matrix ensembles, log-gases and Jack polynomials. Under technical assumptions on a general analytic potential we prove that the global fluctuations of these ensembles are asymptotically Gaussian with a universal covariance that remarkably differs from its counterpart in random matrix theory. Our main tools are certain novel algebraic identities that we have discovered. They play a role of discrete multi-level analogues of loop equations.
85 pages, 2 figures. Version 3: Simplified many of the computations and arguments in the text. Fixed various typos throughout the text