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Seminar
FIELD Math:Analysis
DATE November 30 (Tue), 2021
TIME 15:00-17:00
PLACE Online
SPEAKER Nam, Kyeongsik
HOST Kang, Nam-Gyu
INSTITUTE KAIST
TITLE Gaussian multiplicative chaos
ABSTRACT

Liouville quantum gravity (LQG) is a random fractal surface constructed from Gaussian free field (GFF), first appeared in the physics literature. LQG surface has a great importance since it describes the universal large-scale behavior of discrete random geometries. Unlike smooth two-dimensional Riemannian manifolds, LQG surfaces are too rough and possess fractal properties. In this series of talks, I will give an overview of the LQG surface and talk about its probabilistic and geometric properties.

https://us02web.zoom.us/j/86710448009?pwd=ckpVN2xXalY2b1libjJETFFVT2FrQT09

LQG is a random surface whose metric tensor is expressed as an exponential of GFF. It naturally arises in the scaling limit of thick points of GFF. I will briefly talk about this connection and review Kahane's theory of Gaussian multiplicative chaos.

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