Paul Wiegmann - Quantum Field Theory & Selberg-Dyson Integrals with large variables on Jordan curves
Presenter
January 28, 2026
Abstract
Recorded 28 January 2026. Paul Wiegmann of the University of Chicago presents "Quantum Field Theory Approach to Selberg-Dyson Integrals with a large number of variables on Jordan curves" at IPAM's New Interactions Between Probability and Geometry Workshop.
Abstract: The talk is based on a (not so) recent paper with Anton Zabrodin, where we discussed an ensemble of particles with logarithmic repulsive interaction on a Jordan curve. Such a problem is described by a geometric deformation of the celebrated Dyson-Selberg integral In the limit of a large number of variables, the integral converges to the spectral determinant of the Neumann jump operator defined on the curve. These results suggest that the Dyson-Selberg integral exhibits an emergent conformal covariance and utilize a probabilistic version of theFekete's theory of the finite-dimensional approximation of conformal maps.
Learn more online at: https://www.ipam.ucla.edu/programs/workshops/new-interactions-between-probability-and-geometry/?tab=overview